Academic literature on the topic 'Paper industry Waste paper'

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Journal articles on the topic "Paper industry Waste paper"

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Devichi Wibowo, Isabella, P. Purwanto, and S. Suherman. "Solid waste management in the paper industry." E3S Web of Conferences 202 (2020): 06026. http://dx.doi.org/10.1051/e3sconf/202020206026.

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The industry developed rapidly since the Industrial Revolution in the 18th century. The side effect of industrial development was a large amount of non-hazardous waste and hazardous waste. All of this waste must be managed properly so that environmental sustainability is maintained and does not cause harm or problems to the community. A review will be conducted from various research journals in various countries and the types of waste also vary, namely plastic, pulp and paper industry waste, and other solid waste. A comparison of solid waste management will be carried on to reduce the generation of waste in the environment.
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Meneses Santos, Ciro, Philipe Luan Brito, Andreia Teixeira de Oliveira Santos, Lílian Araújo Pantoja, Alexandre Sylvio Vieira da Costa, and Alexandre Soares dos Santos. "Ethanol Production from Waste of Paper Industry." Revista Virtual de Química 12, no. 4 (2020): 827–39. http://dx.doi.org/10.21577/1984-6835.20200075.

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Abdullah, Mohammad, Soo Kum Yoke, Danial Nuruddin Azlan Raofuddin, et al. "An Evaluation of Eggshell Waste/Waste Paper Mechanical Properties as Composite Paper." International Journal of Engineering & Technology 7, no. 3.14 (2018): 239. http://dx.doi.org/10.14419/ijet.v7i3.14.16900.

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Paper as a material, is useful. For this reason, the paper industry has contributed widely to the economy. This is also true for advancement in the technology for recycled papers. Paper fibre or paper pulp however is depleting due to extensive deforestation and loggings which in turn leads to problems such as global warming. Further, eggshell waste is a material found to be useful to produce papers. As such, this study intends to find out the possibilities of using eggshell waste and waste papers to produce papers. To carry out the research, the optimum ratio of fibre in the paper pulp was determined by the maximum strength of recycled paper produced. Eggshell waste was collected from a food court. The eggshells were then separated from their membrane, dried in the sun and grinded. It was then mixed with paper pulp according to the measured ratio. The study found that paper from a combination of eggshell fibre waste against waste paper was able to be produced and the optimum ratio was 2:8 because it had the highest tensile strength. The eggshell waste can be used as a material that enhanced the mechanical properties of recycled paper.
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Mavroulidou, Maria, and Shamil Shah. "Alkali-activated slag concrete with paper industry waste." Waste Management & Research: The Journal for a Sustainable Circular Economy 39, no. 3 (2021): 466–72. http://dx.doi.org/10.1177/0734242x20983890.

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Pulp and paper manufacturing and recycling industries are a resource-intensive sector, generating 25–40% of the annual municipal solid waste worldwide. Waste includes abundant volumes of paper sludge, as well as the product of its incineration, namely paper sludge ash. These two waste materials are both predominantly landfilled. There is thus a drive for additional valorisation routes for these materials. This short communication focuses on the potential use of paper sludge ash in alkali-activated cement concrete; this type of concrete was estimated to potentially reduce CO2 emissions by up to 5–6 times, while it can also incorporate waste materials or industrial by-products in its composition. The paper presents a laboratory study assessing the feasibility of structural alkali-activated cement concrete with ground granulated blastfurnace slag (a by-product of steel production) and paper sludge ash. Paper sludge ash is used mainly as a source of Ca(OH)2 in the alkaline activator solution, and secondly as an additional source of aluminosilicates. A number of factors potentially affecting the activation process and the resulting concrete quality were investigated, including different dosage of activators, curing conditions and curing time. Mixes with paper sludge ash in the activator system developed high early concrete strengths at ambient temperatures and maintained adequate strengths for structural concrete. Further mix optimisation and mechanical and durability testing, accompanied by material characterisation, are required to establish the advantages of using this waste material in structural alkali-activated cement concrete.
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Jansson, Anette T., Regina J. Patinvoh, IIona Sárvári Horváth, and Mohammad J. Taherzadeh. "Dry Anaerobic Digestion of Food and Paper Industry Wastes at Different Solid Contents." Fermentation 5, no. 2 (2019): 40. http://dx.doi.org/10.3390/fermentation5020040.

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A large volume of food is being wasted every year, while the pulp and paper industry also generate a large amount of solid wastes on a daily basis, causing environmental challenges around the world. Dry anaerobic digestion (AD) of these solid wastes is a cost-effective method for proper management. However, dry digestion of these waste streams has been restricted due to their complex structure, the presence of possible inhibitors and inappropriate operating conditions. In light of this fact, dry digestion of food waste (FW) and paper wastes (PW) was conducted at different total solid (TS) concentrations of reactor mixtures of 14%, 16%, 18% and 20% TS, corresponding to substrate to inoculum (S/I) ratio of 0.5 and 1; investigating the optimum operating conditions for effective dry digestion of these complex wastes. The highest methane yields of 402 NmlCH4/gVS and 229 NmlCH4/gVS were obtained from digestion of FW and PW, respectively at 14%TS corresponding to an S/I ratio of 0.5. Increasing the S/I ratio from 0.5 to 1 and thereby having a TS content of 20% in the reactor mixtures was unfavorable to the digestion of both substrates.
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Pento, Tapio. "Industrial Ecology of the Paper Industry." Water Science and Technology 40, no. 11-12 (1999): 21–24. http://dx.doi.org/10.2166/wst.1999.0690.

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Industrial ecology (IE) is a biological concept applied to industrial structures. The basic concepts of IE include regional, intra-firm and product-based waste recycling systems as well as the principle of upward and downward cascading. In best current examples of regional systems, several parties are in an industrial waste re-use symbiosis. Paper industry has learned to arrange the recovery and re-use of its products on distant markets, even up to a level where indications of exceeding optimal recovery and re-use rates already exist through deteriorated fibre and product quality. Such occurrences will take place in certain legislative-economic situations. Paper industry has many cascade levels, each with their internal recovery and recycling, as well as many intra-firm, regional, and life cycle ecology structures. As an example of prospects for individual cascading routes, sludges may continue to be incinerated, but the route to landfills will be closed. The main obstacles of legislative drive toward better IE systems are in many cases existing laws and political considerations rather than economic or technical aspects. The study and practice of engineering human technology systems and related elements of natural systems should develop in such a way that they provide quality of life by actively managing the dynamics of relevant systems to reduce the risk and scale of undesirable behavior and outcomes. For the paper industry, earth systems engineering offers several development routes. One of them is the further recognition of and research on the fact that the products of the industry are returned back to the carbon cycle of the natural environment. Opportunities for modifying current earth systems may also be available for the industry, e.g. genetically modified plants for raw materials or organisms for making good quality pulp out of current raw materials. It is to be recognized that earth systems engineering may become a very controversial area, and that very diverse political pressures may determine its future usefulness to the paper industry.
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Soloman, Pooppana Antony, Chiya Ahmed Basha, Manickam Velan, and Natesan Balasubramanian. "Electrochemical degradation of pulp and paper industry waste-water." Journal of Chemical Technology & Biotechnology 84, no. 9 (2009): 1303–13. http://dx.doi.org/10.1002/jctb.2176.

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Apriani, Enda. "DESIGN TOOLS RECYCLED PAPER PRESS FOR THE MAKING OF PAPER FROM YOUNG COCONUT FIBER WASTE AND WASTE PAPER FOR HOME INDUSTRY BUSINESS." Angkasa: Jurnal Ilmiah Bidang Teknologi 11, no. 1 (2019): 64. http://dx.doi.org/10.28989/angkasa.v11i1.373.

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Setyani, Inun, Mochamad Arief Budihardjo, and Fuad Muhammad. "Up Flow Anaerobic Sludge Blanket (UASB) In The Paper Industry." E3S Web of Conferences 202 (2020): 06020. http://dx.doi.org/10.1051/e3sconf/202020206020.

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The paper industry is an activity that have a large impact on the quality of natural resources. The large amount of water used has an impact on the wastewater generated. Untreated liquid waste can cause pollution in water bodies (rivers). Wastewater treatment with Up flow Anaerobic Sludge Blanket (UASB) is able to process wastes with high COD content in the paper industry. This paper provides a basic review and UASB research that has been carried out in the wastewater treatment of the paper industry.
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Ma, Yong Sheng, Lin Tong Wang, and Xian Hui Sun. "Deinking Technology and Deinking Agent of Waste Paper." Advanced Materials Research 335-336 (September 2011): 1340–43. http://dx.doi.org/10.4028/www.scientific.net/amr.335-336.1340.

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Recycling of waste paper is one of pop topics of pulping and papermaking industry. Deinking technology is the key of recycling of waste paper. It is briefly introduced that methods of waste paper deinking and mechanism of deinking and constitute of deinking agent.
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Dissertations / Theses on the topic "Paper industry Waste paper"

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Ouadi, Miloud. "Sustainable energy from paper industry wastes." Thesis, Aston University, 2013. http://publications.aston.ac.uk/18499/.

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Secondary fibre paper mills are significant users of both heat and electricity which is mainly derived from the combustion of fossil fuels. The cost of producing this energy is increasing year upon year. These mills are also significant producers of fibrous sludge and reject waste material which can contain high amounts of useful energy. Currently the majority of these waste fractions are disposed of by landfill, land-spread or incineration using natural gas. These disposal methods not only present environmental problems but are also very costly. The focus of this work was to utilise the waste fractions produced at secondary fibre paper mills for the on-site production of combined heat and power (CHP) using advanced thermal conversion methods (gasification and pyrolysis), well suited to relatively small scales of throughput. The heat and power can either be used on-site or exported. The first stage of the work was the development of methods to condition selected paper industry wastes to enable thermal conversion. This stage required detailed characterisation of the waste streams in terms of proximate and ultimate analysis and heat content. Suitable methods to dry and condition the wastes in preparation for thermal conversion were also explored. Through trials at pilot scale with both fixed bed downdraft gasification and intermediate pyrolysis systems, the energy recovered from selected wastes and waste blends in the form of product gas and pyrolysis products was quantified. The optimal process routes were selected based on the experimental results, and implementation studies were carried out at the selected candidate mills. The studies consider the pre-processing of the wastes, thermal conversion, and full integration of the energy products. The final stage of work was an economic analysis to quantify economic gain, return on investment and environmental benefits from the proposed processes.
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López, González Néstor David. "Secagem convectiva de papel reciclado com incorporação de corantes naturais." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/266710.

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Orientadores: Melissa Gurgel Adeodato Vieira, Sandra Cristina dos Santos Rocha<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Química<br>Made available in DSpace on 2018-08-21T04:23:24Z (GMT). No. of bitstreams: 1 LopezGonzalez_NestorDavid_M.pdf: 6381922 bytes, checksum: e497b1236a95bb6095b1c33957146b02 (MD5) Previous issue date: 2012<br>Resumo: O papel está presente em muitas das atividades do cotidiano que vão desde usos sanitários, passando pelas embalagens até fins educativos. Este material que teve sua origem há quase 2000 anos, continua sua evolução na procura de alternativas limpas para seu reaproveitamento. Novos processos de reciclagem, secagem e a incorporação de materiais alternativos para melhorar as propriedades do papel fazem desta área de pesquisa a base para a criação de novas tecnologias e produtos com apelo ambiental. Neste contexto, este trabalho teve como objetivo a avaliação da reutilização de papel de escritório na forma de papel cartão com adição de extratos corantes naturais Carmim de cochonilha, Cúrcuma e Urucum, implementando um processo de destintagem dos papéis a serem reciclados e secando o papel em um secador convectivo em escala laboratorial para obter papel cartão artesanal colorido. Para isto, foi determinada uma formulação para cada uma das três polpas a serem tingidas com os corantes naturais e construídas as curvas de secagem para diferentes condições de secagem. Efetuou-se uma análise comparativa da qualidade dos papéis obtidos em diferentes condições de secagem e avaliou-se a degradação da cor dos papéis obtidos sob diferentes condições de iluminação. O estudo da secagem mostrou que as polpas fabricadas com cada um dos três corantes apresentaram processos de secagem equivalentes apesar de ter formulações diferentes. Além disso, uma análise estatística mostrou que a velocidade e a temperatura do ar de secagem influenciam positivamente o processo, afetando a duração deste. Na avaliação da qualidade dos papéis verificou-se que esta pode ser afetada por variações nas condições de secagem. Uma menor qualidade foi obtida em papéis secos sob condições mais drásticas de velocidade e temperatura do ar. Os testes de colorimetria realizados nas amostras evidenciaram que as condições de secagem podem modificar a saturação das cores dos papéis, gerando diferenças colorimétricas nos papéis obtidos e apresentando cinéticas de degradação diferentes para cada papel fabricado. Os extratos corantes de Carmim de cochonilha, Urucum e Cúrcuma apresentaram boa estabilidade no teste de abrigo à luz, mas nos testes realizados com luz ultravioleta e fluorescente a estabilidade das cores foi baixa. O carmim de cochonilha se apresentou como o corante com maior estabilidade e poder tintorial. Os corantes naturais analisados nesta pesquisa mostraram potencial para serem utilizados na fabricação de papéis reciclados artesanais<br>Abstract: The paper is present in many everyday activities from sanitary uses, through the packaging until educational purposes. This material was originated almost 2000 years ago, and continues its evolution in the search of environmental alternatives to be reused. New processes to recycling, drying and the incorporation of alternative materials carry out an important role for the creation of new products and new technologies with environmental appeal. In this context, this work aimed the evaluation of office paper in the form of cardboard with the addition of natural extracts dyes such as Cochineal Carmine, Turmeric and Annatto, using a de-inking process of paper and drying in a convective-scale laboratory dryer for obtain a colorful handmade paper card. For this, a formulation was determined for each of the three paper pulp to be dyed with natural dyes, the drying curves were analyzed for different drying conditions, moreover a comparative analysis of the quality of the paper obtained under different conditions of drying was accomplished and the degradation of color paper obtained under different lighting conditions was evaluated. The study showed that drying of the paper pulp manufactured for each of the three dyes present equivalent drying processes, despite that these had different formulations; in addition, a statistical analysis showed that the air velocity and temperature of the drying air have a positively influence in the process. In the study of quality of paper, it has been demonstrated that variations in the drying conditions affects the quality of paper, such as reducing these with the increase in velocity and air temperature. The colorimetric test showed that the drying conditions can change the color saturation of the paper, causing colorimetric differences in the papers obtained and having different degradation kinetics for each paper produced. The extracts of cochineal carmine, Annatto and Turmeric dyes showed good stability under the test of light; however, the stability for the test performed with ultraviolet and fluorescent light. The results using cochineal carmine dye presented greater stability and tinctorial power. Natural dyes tested in this study showed potential to be used in the manufacture of handmade recycled paper<br>Mestrado<br>Processos em Tecnologia Química<br>Mestre em Engenharia Química
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Szeinbaum, Nadia. "Assessment of anaerobic treatment of select waste streams in paper manufacturing operations." Thesis, Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/34847.

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The most common strategy for handling paper mill solid waste is typically disposal in landfills. However, several drawbacks are associated with this type of solid waste management, such as increasing costs due to oil price rise, governmental restrictions on land use, and environmental concerns such as leaching of disposed contaminants into groundwater, as well as methane generation of and release to the atmosphere, thus contributing to global warming. An alternative to reduce solids prior to disposal and to recover methane as a renewable fuel is anaerobic digestion, but it is not yet clear whether such an approach is feasible in paper mills. In this study, the anaerobic digestion of paper mill waste streams was evaluated for a paper plant located in Belen, Costa Rica, to investigate up to what extent certain waste streams can be anaerobically digested, to what extent energy can be produced in the form of methane for implementation in a wastewater treatment plant and to evaluate the conditions that will favor methane generation from select waste streams. Batch assays were performed to evaluate the biodegradability of single and combined waste samples under ideal, laboratory conditions. Samples were obtained from the manufacturing plant as well as the wastewater treatment plant at the paper mill under study. The ultimate biodegradability ranged 25 to 85% in terms of volatile solids destruction, corresponding to the waste activated sludge (WAS) and Flotation Cell rejects, respectively. The COD destruction of single samples ranged from 45 to 63%, corresponding to WAS and wastewater treatment plant (WWTP) dissolved air flotation (DAF) skimmings, respectively. Methane generation ranged from 80 to 190 ml at 35oC/g COD added for all single samples (excluding underflows). In combination Feed 1 was reduced by 46 and 52% and Feed 2 by 27 and 38%, respectively. Two combinations of two single samples each (Feed 1 and 2), formulated according to plant operational data, and their solids and COD destruction as well as methane generation in semicontinuous flow anaerobic digesters were evaluated at different solids retention times (30, 20, 15, and 7 days). Nutrients (N, and P) availability as well as alkalinity in the plant waste streams were evaluated and minimum supplements were used to support an efficient anaerobic digestion process. The reactors reached stable operation at all retention times evaluated. Methanogenesis was the predominant, terminal metabolic process under anaerobic, mesophilic conditions, but the overall process rate was determined by the hydrolysis of the particulate substrate. Reactors fed with Feed 1 achieved the highest level of destruction, which amounted to 85% of phosphorus that is typically present in paper mill wastes. Alkalinity addition to the feed (3.5 mg NaHCO3/L) was necessary to maintain the reactors pH above 6.9.
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Méndez-Sánchez, Noemi C. Lange Clifford R. "Biodecolorization of paper mills wastewater using anaerobic composting." Auburn, Ala, 2009. http://hdl.handle.net/10415/1862.

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Bhinge, Deepak. "Color removal from pulp and paper wastes by coagulation." Thesis, Virginia Tech, 1986. http://hdl.handle.net/10919/41569.

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<p>Coagulation studies were conducted to determine an appropriate treatment approach to remove color and organic carbon from the pulp and paper wastes from the Union Camp Corporation, Franklin, Va.</p> <p> Based on a preliminary analysis of the data collected during this research, either alum or ferric chloride may be used to remove color from pulp and paper wastes. An effluent with final residual color less than 5 color units can be generated using PAC treatment after flocculating certain waste streams with alum or ferric chloride. Higher molecular weight organics (above 5K mass units) showed a near complete removal by coagulation.</p> <p> It is expected that alum coagulation would involve a lesser cost in pH adjustment as compared to ferric chloride coagulation. Alum sludge dewatered and thickened more rapidly than the iron sludge; however, after mechanical dewatering, the alum cake had a slightly greater moisture content than the sludge produced after ferric chloride coagulation.</p><br>Master of Science
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Joyce, Jim. "Color and TOC removal from pulp and paper wastes by ultrafiltration." Thesis, Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/91035.

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Ultrafiltration studies were conducted to determine a treatment approach to remove color and organic carbon from the pulp and paper wastewaters at the Union Camp Corporation, Franklin, VA. Analysis of data collected during this research indicate that ultrafiltration can produce an effluent with less than 5 color units and less than 5 mg/L TOC (99% and 97% removal respectively). The data also indicate that biotreatment of the wastes prior to ultrafiltration removes the smaller molecular weight organic compounds, making ultrafiltration more effective. Pretreatment by pH adjustment and alum coagulation were not effective in improving ultrafiltration performance. Concentration studies indicate that volume reductions up to 95% may be accomplished without excessive membrane fouling. Membrane cleaning with caustic, hypochlorite and detergent produced identical results. It is expected that ultrafiltration would be a more cost effective method of color and TOC removal than coagulation, and would not require sludge disposal.<br>M.S.
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Johansson, Ingrid, and Walter Deltin. "Utilization of Pulp and Paper Waste Products in the Metal Industry : Initial testing of carbon-containing waste material briquettes." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-231792.

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Today, a huge part of waste products from pulp and paper industries ends up in landfill which is both economically and environmentally adversely. This report examines the possibilities of using those products as a slag foamer and fuel in different furnaces in the metal industry. The waste products contain valuable elements, especially carbon. Therefore, there is an increased interest in finding possible use for the waste products in the metal industry. The reuse would contribute to preservation of energy as fossil fuel can be replaced. In the report, two waste materials called mixed biosludge and fiber reject are examined. The experiments are performed with the waste products pressed together with a base material and cement forming a briquette. The requirements examined are strength needed for both transportation and use in furnaces and ability to create a foaming slag. The results in strength were ambiguous, no waste material based briquettes met the set criteria. As of now, the briquettes are probably not strong enough to be transported. No foaming occurred during the experiment, but only one experiment was performed. Therefore, further experiments are needed before any conclusions can be drawn. The briquettes can possibly replace coke and coal in applications where strength is not as important. Nevertheless, it is uncertain if the briquettes affect the steel quality.<br>Idag läggs en stor del av restprodukter från pappers och massaindustrin på deponi, vilket innebär såväl ekonomiska som miljömässiga nackdelar. Den här rapporten undersöker möjligheterna att använda dessa restprodukter som slaggskummare och bränsle i de olika ugnarna inom metallindustrin. Restprodukterna innehåller värdefulla ämnen, framförallt kol. Därför finns det ett ökat intresse för att hitta möjliga användningsområden för restprodukterna inom metallindustrin. Denna återanvändning skulle bidra till energibevarande eftersom fossila bränslen kan ersättas. I den här rapporten undersöks två restmaterial, blandat biologiskt slam och fiberavfall. Experimenten utfördes med dessa restprodukter pressade samman med ett basmaterial och cement till en brikett. Kraven som undersöks är styrka för både transport och användning i ugnarna samt förmågan att skumma en slagg. Resultaten för briketternas styrka var tvetydiga, inga av briketterna innehållande restprodukter satisfierade det uppsatta kriteriet. Styrkan är troligtvis för låg för att transport ska vara möjlig. Ingen skumning skedde under experimentet, men endast ett experiment genomfördes. Därför behöver ytterligare experiment genomföras innan några slutsatser kan dras. Men briketterna tros kunna ersätta koks och kol där styrkan inte är viktig. Men det är osäkert om briketterna påverkar stålkvaliteten.
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Modolo, Regina Célia Espinosa. "Valorization of solid wastes from cellulose and paper industry." Doctoral thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/13961.

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Doutoramento em Ciências e Engenharia do Ambiente<br>This thesis reports in detail studies of industrial solid wastes valorization as alternative raw materials. All tested wastes are classified as non-hazardous and are generated in the pulp and paper process, including primary sludge, dregs, grits, lime mud and bottom ash (this generated in a process that occurs in parallel to the production of cellulose, whose aim is the production of energy to supply the plant through the combustion of forest biomass in fluidized bed). A detailed general characterization was performed at each waste and according to their characteristics, they were selected some applications in materials with potential use, specifically in Fibercement, Bituminous Mixture for regularization layer and industrial mortars (rendering mortars and cementitious-adhesive). After decided to application each waste was specifically tested to proceed the setting up of formulations containing different content of waste in replacement of the raw conventional material. As an isolated case, the bottom ash was tested not only as an alternative raw material for construction materials, but also it was tested for its use in fluidized bed in which the waste is generated as raw material. Both dregs and bottom ash had undergone special treatment to make possible to obtain a better quality of waste in order do not compromise the final product characteristics and process. The dregs were tested in bituminous mixtures as received and also washed (on the laboratory scale to remove soluble salts) and bottom ash were washed and screened in industrial scale (for removal of soluble salts, especially chlorides and coarse fraction particles elimination - particles larger than 1 mm size). The remaining residues form used in such as received avoiding additional costs. The results indicated potential and some limitations for each application to the use of these wastes as alternative raw material, but in some cases, the benefits in relation to valorization overlap with its limitations in both aspects, environmental and economic.<br>O presente trabalho reporta detalhadamente estudos de valorização de resíduos sólidos industriais como matérias-primas alternativas. Todos os resíduos testados são classificados como não perigosos e são gerados no processo de produção de celulose (pasta) e papel, nomeadamente lamas primárias, dregs, grits, lamas de carbonato e cinzas de fundo, estas geradas num processo que ocorre em paralelo à produção de celulose, cujo objectivo é a produção de energia para abastecimento da fábrica através da combustão de biomassa florestal em leito fluidisado. Uma caracterização geral minuciosa foi realizada a cada resíduo e de acordo com as suas características, seleccionaram-se três aplicações em materiais com potencial de utilização: Fibrocimento, Mistura betuminosa para camada de regularização e argamassas industriais (reboco de projecção e cimento-cola). Após o devido enquadramento do resíduo e aplicação, cada resíduo foi caracterizado especificamente para que se procedesse a definição de formulações contendo diferentes percentuais de resíduos em substituição da matéria-prima convencional. Como um caso isolado, as cinzas de fundo foram testadas, não somente como matéria prima alternativa em materiais de construção, como também testou-se a sua reutilização em leito fluidisado no qual o resíduo é gerado. Tanto os dregs como as cinzas de fundo passaram por um tratamento específico para que fosse possível obter uma melhor qualidade do resíduo com o objectivo de não comprometer as características do produto final e processo. Os dregs foram testados em base tal e qual e lavados em escala laboratorial (para remoção de sais solúveis) e as cinzas de fundo foram lavadas em escala industrial (para remoção de sais solúveis, nomeadamente cloretos) e crivadas em escala laboratorial e industrial para eliminação da fracção grosseira do resíduo (partículas de dimensão superior a 1 mm). Os demais resíduos formam usados em base tal e qual, evitando assim custos adicionais. Os resultados obtidos em cada aplicação indicam potencialidades e limitações relativamente ao uso desses resíduos como matéria-prima alternativa, porém em alguns casos, as vantagens relativamente a valorização se sobrepõem às suas limitações, tanto nos aspectos ambientais, como económicos.
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Neufeld, Josh D. "Development of a quantitative method for functional gene detection in pulp and paper wastewater treatment systems." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33430.

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The recent development of culture-independent methods has revolutionized the study of complex microbial communities such as those present in activated sludge treatment systems. DNA probes that hybridize to genes coding for key enzymes that catalyze microbial processes have been widely used. Can such probes be used to quantify target genes and thus quantify the potential of a microbial community to carry out a reaction of interest?<br>Optimal conditions for DNA extraction, probe validation, hybridization, and activity measurements were determined for the pulp and paper treatment system environment under study. Using gene probes for key denitrification genes (nirS, nirK), the correlation between denitrifiers and denitrification activity in an enrichment culture and activated sludge samples was tested. The same correlation between nitrogen fixation and nitrogen-fixing bacteria in primary clarifiers was assessed using a probe for the gene encoding a component of the nitrogenase enzyme (nifH). This work was successful in establishing the correlation between gene numbers and their corresponding enzymatic activity and thus supports the quantitative hybridization approach for the monitoring of microbial communities. (Abstract shortened by UMI.)
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Ganta, Madhuri. "Anaerobic digestion of pulp and paper mill solid wastes : evaluation of operational parameters and microbial diversity." Diss., Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/27081.

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Books on the topic "Paper industry Waste paper"

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Paper. Franklin Watts, 2010.

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Condon, Judith. Recycling paper. F. Watts, 1990.

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industriverk, Sweden Statens. Massa- och pappersindustrins returpappersförsörjning. Statens industriverk, 1988.

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Ltd, Temanex Consulting. The role of wastepaper in the Canadian pulp and paper industry. Temanex Consulting, 1993.

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Alexander, Michael. North American newsprint industry: Transitions to recycling. Council of State Governments, 1992.

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(Firm), Resource Recycling Systems. Creating recycled materials markets for mixed office paper: Roles, responsibilities and pressure points : final report. The Systems, 1993.

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Navin, Brian. Waste paper--world trade and investment in a growth industry: Development and forecasts to 1992. Economist Intelligence Unit, 1989.

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Program, Ontario Industrial Waste Diversion. Waste paper diversion project fibre recovery unit: Final report. Ministry of Environment and Energy, 1996.

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Program, Ontario Industrial Waste Diversion. Waste paper diversion project fibre recovery unit: Final report. Ministry of Environment and Energy, 1996.

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K, Jain A. In-plant and closed cycle technologies R&D program: First-year research reports, in-plant and process technologies. National Council of the Paper Industry for Air and Stream Improvement, 1991.

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Book chapters on the topic "Paper industry Waste paper"

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Bajpai, Pratima. "Anaerobic Reactors Used for Waste Water Treatment." In Anaerobic Technology in Pulp and Paper Industry. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4130-3_5.

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Souza, Alana G., Daniel B. Rocha, and Derval S. Rosa. "Cellulose Nanowhiskers Obtained from Waste Recycling of Paper Industry." In Advanced Structured Materials. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-50784-2_8.

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El Haji, K., V. Sachdeva, and R. D. Tyagi. "Bioconversion of waste water from the pulp and paper industry." In Bioconversion of Waste Materials to Industrial Products. Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5821-7_11.

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Chiang, Pen-Chi, and Shu-Yuan Pan. "Paper Industry, Construction, and Mining Process Wastes." In Carbon Dioxide Mineralization and Utilization. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-3268-4_13.

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Yadav, Kamlesh Kumar, Prabhakargouda Basanagouda Patil, Hosur Hanumegowda Kumaraswamy, and Brijendra Kumar Kashyap. "Ligninolytic Microbes and Their Role in Effluent Management of Pulp and Paper Industry." In Waste to Energy: Prospects and Applications. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-33-4347-4_13.

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Sharma, Pooja, and Surendra Pratap Singh. "Pollutants Characterization and Toxicity Assessment of Pulp and Paper Industry Sludge for Safe Environmental Disposal." In Emerging Treatment Technologies for Waste Management. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2015-7_10.

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Balasubramanian, P., M. Vedhanayagam, G. C. Jayakumar, K. J. Sreeram, J. Raghava Rao, and B. U. Nair. "Studies on Paper and Pulp Industry Waste for Leather Making: An Insight in Converting Waste to Wealth." In Waste Management and Resource Efficiency. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7290-1_48.

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Azevedo, A. R. G., B. C. Mendes, M. T. Marvila, et al. "Study of the Incorporation of Waste from the Paper Industry in Ceramic Tiles." In Green Materials Engineering. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-10383-5_30.

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Azevedo, A. R. G., J. Alexandre, M. T. Marvila, et al. "Development of Methodology for the Characterization and Incorporation of Waste from the Paper Industry in Cementitious Materials." In The Minerals, Metals & Materials Series. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-05749-7_58.

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Celis, José E., and Marco A. Sandoval. "Improving Agricultural Soils with Organic Wastes from Wastewater Plants, Salmon Aquaculture and Paper-Pulp Industry." In Bioremediation of Agricultural Soils. CRC Press, 2019. http://dx.doi.org/10.1201/9781315205137-8.

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Conference papers on the topic "Paper industry Waste paper"

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Kindsigo, M., R. Kuusik, and J. Kallas. "Oil shale ash as a catalyst in wastewater treatment in the pulp and paper industry." In WASTE MANAGEMENT 2010. WIT Press, 2010. http://dx.doi.org/10.2495/wm100361.

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Okamoto, Satoru. "Waste Heat From Chemical Factories and Paper Factories." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-41020.

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The aim of this study is to know the real state of waste heat from the industry. The study was conducted for making data base of waste heat from internal industries through the investigation of high energy consumption industries aiming at grasping the condition of exhaust heat from main factories of two types of chemical industry and paper industry as accurately as possible in 2002. Questionnaire survey was made about chemical factories and paper factories in Shikoku Area in Japan and those replies were received. The data base was made by using those data.
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Shirinkina, Ekaterina. "RESOURCE-SAVING TREATMENT OF SOLID WASTE IN PULP AND PAPER INDUSTRY." In 15th International Multidisciplinary Scientific GeoConference SGEM2015. Stef92 Technology, 2011. http://dx.doi.org/10.5593/sgem2015/b52/s20.055.

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Al-Ani, Ibrahim, Wan Hamidon, Wan Mohtar, and Basma Alwachy. "Development of Lightweight Concrete using Industrial Waste Palm Oil Clinker." In INTERNATIONAL CONFERENCE ON ARCHITECTURAL AND CIVIL ENGINEERING 2020. Cihan University-Erbil, 2021. http://dx.doi.org/10.24086/aces2020/paper.218.

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Concrete is a major material used in the construction of buildings and structures in the world. Gravel and sand are the major ingredients of concrete but are non-renewable natural materials. Therefore, the utilisation of palm oil clinker (POC), a solid waste generated from palm oil industry is proposed to replace natural aggregate in this research to reduce the demand for natural aggregates. One mix of ordinary concrete as control concrete; while four mix proportions of oil palm clinker concrete were obtained by replacing 25 %, 50 %, 75 %, and 100 % of gravel and sand of control concrete with coarse and fine oil palm clinker respectively by volume, with same cement content and water cement ratio. Compressive strength test was carried out of concretes with different percentages of oil palm clinker; whereas water absorption test according to respective standard, were carried out to determine the durability properties of various mixes. Based on the results obtained, the study on the effect of percentage of clinker on strength and durability properties was drawn. According to ACI classification of light weight concrete only the 100 percentage replacement can achieve the definition of light weight concrete since its density less than 1900 kg/m3 and strength larger than 17 MPa. Eventually the 25 % replacement of the normal aggregate by the OPC will improve the strength and durability of the concrete.
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Suda, Mitsunori, Takanori Kitamura, Zhiyuan Zhang, and Hiroyuki Hamada. "Analysis of Fracture Mechanism on Paper Tubes and Relationship Between Paperboard Property and Property of Paper Tubes." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66559.

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According to the report in May, 2015 by Japan Paper Recycling Promotion Center, quantity of paper and paperboard product in Japan decreases is about 18% from 2007 to 2014. Japanese quantity of waste paper in 2014 is 21750000ton, the rate of collected waste paper is 80.8%. Nevertheless Japanese consumption of waste paper is 17190000ton, the rate of utilizing waste paper is 63.9%. It means that quantity of collected waste paper become bigger than quantity of utilizing waste paper, a lot of waste-paper is exported to East Asia (especially China). Balance of waste paper demand and supply in Japan has already broken. It could be expected that waste paper will be collected more and more, but it is difficult to solve the problem that all domestic collected waste paper is used, in order to increasing phenomenon of helpful to recycle, energy saving, environmental protection movement. It is considered that the usage of paper tube need to be expanded which is produced by waste paper. Paper tube has been widely applied in many areas, such as packaging industry, film rolls, adhesive-tape industry, furniture decoration, temporary structures in building and so on. For example churches could be made from paper. The mechanical property of paper tube need to be investigated to get wide application. At current study, the mechanical property of 8 kinds of paperboards for paper tubes fabrication were investigated included tension, compression and peeling properties combining with anisotropic property. These kinds of paperboards have different mechanical properties but same dimension. By this method, the effects of different properties including tension, compression and peeling on mechanical property of paper tubes could be evaluated. A series of paper tubes with different layers was fabricated and the lateral compression test was carried out and evaluated. The fracture form of paper tubes and fracture position on paper tubes were discussed together with paperboards properties. The cause of delamination behavior of laminated paper was analysis based on the detailed observation and finite element analysis. From fracture process, it was found that the main fracture of paper tube is delamination during lateral compression action which was considered peeling action has a big influence. According to this phenomenon, acoustic emission (AE) and observation of peeling paperboard were conducted.
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De Greef, Johan, Renaat De Proft, Kenneth Villani, and Miguel Angel Lopez. "Renewable Energy at Sustainable Cost Using a Combined Heat and Power WTE-Facility in the Paper Industry." In 18th Annual North American Waste-to-Energy Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/nawtec18-3532.

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In March 2008, Keppel Seghers started the engineering, supply, construction and commissioning of a Combined Heat and Power (CHP) Waste-to-Energy (WtE) plant in A˚motfors (Sweden). When completed in 2010 the plant will process close to 74,000 tons per year of household waste (average LHV = 10.5 MJ/kg) and limited quantities of (demolition) wood resulting in a yearly production of about 108,700 MWh of steam, 12,100 MWh of heat and 13,400 MWh of electricity. Herewith, the A˚motfors WtE-CHP is sized to meet the joined energy needs of the local paper production, neighboring industries and buildings at an overall net plant efficiency of almost 65%. The WtE-CHP will offer state-of-the-art combustion and energy recovering technology, featuring Keppel Seghers’ proprietary Air-Cooled Grate, SIGMA combustion control and integrated boiler. Waste is fed into the combustion line with an automatic crane system. To surpass the stringent EU emission requirements, a semi-dry flue gas cleaning system equipped with Keppel Seghers’ Rotary Atomizer was selected as economic type of process for purifying the combustion gas from the given waste mixture. Furthermore a low NOx-emission of 135 mg/Nm3 (11%O2, dry) as imposed by Swedish law is achieved by SNCR. The plant engineering is described with a focus on the overall energy recovery. As stable steam supply to the paper mill and the district heating system needs to be assured under all conditions the design includes for supporting process measures such as combustion air preheating, steam accumulation, turbine bypassing, buffering of the main condenser and back-up energy supply from an auxiliary fuel boiler. Additionally, external conditions can trigger distinct plant operation modes. A selected number of them are elaborated featuring the WtE-plant’s capability to conciliate a strong fluctuating steam demand with the typical intrinsic inertia of a waste-fired boiler. With prices for fossil fuels increasing over the years, the cost for generating process steam and heat has become dominant and for paper mills even makes the overall difference in viability. As will be documented in this paper, the decision to build the A˚motfors WtE-CHP was taken by Nordic Paper after a quest for significant cost-cutting in the production of process energy. Moreover, the use of industrial and household waste as fuel brings along the advantage of becoming largely independent from evolutions on the international oil and gas markets. By opening up the possibility for a long-term secured local (waste) fuel supply at fixed rates, WtE-technology offers a reliable alternative to maintain locally based industrial production sites. The Nordic Paper mills in A˚motfors are therefore now the first in Sweden to include a waste-fired CHP on a paper production site.
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Antunes, Pedro, Manuel Eduardo Ferreira, Maria Cândida Vilarinho, and José Carlos Teixeira. "Energy Analysis and Waste Valorization in a Kraft Paper Plant." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-24002.

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Abstract Paper production is an energy intensive industry but due to the wastes of its process (black liquor, waste biomass, sludge) has the capacity to generate most of its energy internally. Central to this balance are cogeneration units that guarantee the internal production of heat and electricity. These are sized for the company’s thermal load, with excess electricity injected into the grid. The efficient use of endogenous resources is a major route for improving the energy and environmental efficiency of the plant. Some of the waste materials include biomass wastes, sludges and other industrial wastes such as plastics. The present work aims to identify the opportunity of introducing a waste biomass gasification plant and the use of the produced synthesis gas, replacing the natural gas currently used in the turbine included in the company’s cogeneration unit. In this scenario, one of the cogeneration units in its current configuration has two steam boilers (one biomass; one black liquor) and a gas turbine whose waste heat feeds a recovery boiler to produce steam. The work involved several steps: the energy balance of the unit, the characterization of biomass residues (mixing bark, pine bark, eucalyptus bark, and refuse fibers), the test experimental analysis of residual biomass gasification and the characterization of the synthesis gas produced. In the electric and thermal energy producing units, gas turbines have a working efficiency above 35% while the steam turbines is considerably lower (15%). The efficiency of the chemical recovery boiler (79.5%) is lower than that of the biomass boiler (89.5%). From the experimental analysis of biomass it was found that most of them have a carbon and hydrogen content higher than 48 % and 5 %, respectively. In terms of higher calorific value (HHV), for the biomass where it was possible to determine it, the value is between 19.3 and 23.6 MJ/kg. These properties reveal that the selected biomasses from within the company, have potential as fuels. The limitation on its use may be due to the ash content, which tends to exceed 10 %. A gasification test (90 % eucalyptus biomass and 10 % mixture biomass) was also carried out to produce syngas and further characterization. The calorific value of the gas produced was 18 MJ/kg, with an absolute density of 1.17 kg/m3. It can thus be seen that for a gas turbine with a 35.8 % efficiency with a workload of 29.9 MWe 4.6 kg/s of syngas is required.
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Prisecaru, Tudor, Malina Prisecaru, Manuela Elena Georgescu, Elena Popa, and Cristina Ciobanu. "Process Technology Concerning the Coupled Solid-Liquid Industrial Waste Combustion for the Paper Industry." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-66948.

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The paper present the research concerning technical possibilities to tamp the solid industrial waste coming out from an already refurbished paper plant in Adjud, Romania, in order to reduce the overall costs of the necessary landfill deposits and to create a real income by producing energy. An infrared system of a FLIR S65 videocamera (7–14 μm) and double wave length OMEGA OS3750 pyrometer (0.9–1.5 μm) have been used in order to assess the best thermal regime to ignite and to control the burning process of the industrial refuse.
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Lin, Wamei, Lars Nilsson, and Raffaele Malutta. "Waste Heat Recovery by Organic Rankine Cycle (ORC) for Moist Exhaust Gases From Paper Industry." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-71326.

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Large potential exists in recovering waste heat from paper industry processes and machinery. If the overall energy efficiency would be increased, it could lead to significant fuel savings and greenhouse gas emission reduction. The organic Rankine cycle (ORC) system is a very strong candidate for converting low-grade waste heat into power. However, there is a lot of water vapor containing latent heat in the exhaust gases from the drying process in the paper industry. Thus, the aim of this research work is to increase the efficiency of the ORC system by recovering not only the sensible heat but also the latent heat from the exhaust gases in the paper drying process. In order to recover the latent heat from the moist exhaust gases, one idea of this article is to introduce a direct contact condensing unit into the ORC system. The performance of ORC system with the direct contact condensing unit was analyzed by using the CHEMCAD software. A case study was conducted based on data of the exhaust gases from a tissue production / drying machine. Latent heat will be recovered when the evaporating temperature of the ORC working fluid is lower than the dew point of the water vapor in the exhaust gases. The results showed that the available heat load was increased when the evaporating temperature was reduced. Furthermore, a performance comparison of the ORC systems with and without the direct contact condensing unit was carried out in the case study as well. The results showed that the ORC system with the direct contact condensing unit not only could recover latent heat from the water vapor in the exhaust gases but also could have a small size and small volume evaporator in the ORC system.
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Massoudi, Aram, and MOHAMED AHMED. "Evaluation of sustainable amenities management at restaurants sector in kurdistan region of iraq." In 3rd International Conference on Administrative & Financial Sciences. Cihan University - Erbil, 2021. http://dx.doi.org/10.24086/afs2020/paper.201.

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Purpose – The topic of sustainability is becoming an essential and concerning issue for organizations in today's business environment. Especially in the food and restaurant industry. Sustainability emphases on satisfying the needs of the current period without conceding the capability of future consumers to meet their desires. Yet, an inclusive adoption of Sustainability is lagging in the restaurant and eatery industry in emerging market such as Kurdistan Region, Iraq. Therefore, this research focuses on the current practices of sustainable amenities in restaurants and lodging businesses in Kurdistan Region, Iraq. Design – The researchers conducted unstructured interview for the data collection from (10) restaurateurs managing and working in 5 luxurious restaurants and 5 fast-food ones Methodology – The restaurants selected were categorized as luxurious restaurants and fast food restaurants, the topics of the interviews were related to energy, waste and water. The data were analyzed by using frequency Approach – the main approach in data gathering was qualitative. The interview queries were taken from related articles and divided into 3 sections: awareness plan, strategic planning, and restaurants' criteria of SAM. A content analysis method was used to identify the trend from previously published literature. Findings – The result showed that luxurious restaurants do apply sustainability in their operations, while fast-food restaurants lag behind. Originality of the research –Finally, recommendations of this study can be of help to all restaurants in Kurdistan area by introducing a proper practice of sustainability to improve and develop their businesses to meet customers' needs and gain competitive advantages ahead of their competitors.
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Reports on the topic "Paper industry Waste paper"

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Pesendorfer, Martin. Horizontal Mergers in the Paper Industry. National Bureau of Economic Research, 1998. http://dx.doi.org/10.3386/w6751.

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none,. Pulp and Paper Industry Energy Bandwidth Study. Office of Scientific and Technical Information (OSTI), 2006. http://dx.doi.org/10.2172/1218635.

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Watson, Tom, and David Blair. Financial Services Industry Study Paper Seminar 16. Defense Technical Information Center, 2002. http://dx.doi.org/10.21236/ada425299.

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Stine, M. D. Position paper -- Waste storage tank heat removal. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/10118038.

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Schumacher, Katja. India's pulp and paper industry: Productivity and energy efficiency. Office of Scientific and Technical Information (OSTI), 1999. http://dx.doi.org/10.2172/753015.

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Angelini, P. Materials needs and opportunities in the pulp and paper industry. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/130598.

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Allen, J. D., S. R. Charagundla, A. Macek, H. G. Semerjian, and J. R. Whetstone. Advanced sensor development program for the pulp and paper industry. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/6112248.

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Miller, Melanie, Mauricio Justiniano, and Shawna McQueen. Energy and Environmental Profile of the U.S. Pulp and Paper Industry. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/1218634.

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Logan, C. Elise, John Brewer, and Robert Wallace. Issue Paper: Electricity System Adequacy - Challenges Facing the Nuclear Power Industry. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1505812.

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Levin, V. Using benchmarking to minimize common DOE waste streams: Volume 5. Office paper waste. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/170585.

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