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Journal articles on the topic 'By-products and wastes'

Author: Grafiati

Published: 10 March 2023

Last updated: 31 July 2025

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1

Sadh, Pardeep, Suresh Kumar, Prince Chawla, and Joginder Duhan. "Fermentation: A Boon for Production of Bioactive Compounds by Processing of Food Industries Wastes (By-Products)." Molecules 23, no. 10 (2018): 2560. http://dx.doi.org/10.3390/molecules23102560.

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A large number of by-products or wastes are produced worldwide through various food industries. These wastes cause a serious disposable problem with the environment. So, now a day’s different approaches are used for alternative use of these wastes because these by-products are an excellent source of various bioactive components such as polyphenols, flavonoids, caffeine, carotenoids, creatine, and polysaccharides etc. which are beneficial for human health. Furthermore, the composition of these wastes depends on the source or type of waste. Approximately half of the waste is lignocellulosic in n

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P, Jyothi, Vatsala G A, and Radha Gupta. "OPTIMAL SOLUTION FOR THE DISTRIBUTION OF BY-PRODUCTS IN DISPOSAL UNIT." International Journal of Research -GRANTHAALAYAH 5, no. 4RAST (2017): 59–63. http://dx.doi.org/10.29121/granthaalayah.v5.i4rast.2017.3304.

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In present scenario, Waste disposal unit is one of the emerging industries. The process of collection of wastes, segregation of wastes, recycling the wastes and manufacturing by-products and selling the by-products are the major works are undertaken into consideration. Any business expectation is to get the profit. Our study is to formulate goal programming model which helps in maximizing the profit by identifying the deviation of goals in the disposal unit. Goal Programming technique is one of the optimization techniques. Manager of the disposal unit can takes the better decision using the de

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Jyothi.P, G. A. Vatsala, and RadhaGupta. "OPTIMAL SOLUTION FOR THE DISTRIBUTION OF BY-PRODUCTS IN DISPOSAL UNIT." INTERNATIONAL JOURNAL OF RESEARCH- GRANTHAALAYAH 5, no. 4 RAST (2017): 59–63. https://doi.org/10.5281/zenodo.803426.

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In present scenario, Waste disposal unit is one of the emerging industries. The process of collection of wastes, segregation of wastes, recycling the wastes and manufacturing by-products and selling the by-products are the major works are undertaken into consideration. Any business expectation is to get the profit. Our study is to formulate goal programming model which helps in maximizing the profit by identifying the deviation of goals in the disposal unit. Goal Programming technique is one of the optimization techniques. Manager of the disposal unit can takes the better decision using the de

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4

PRECUP, Gabriela, Lavinia Florina CĂLINOIU, Laura MITREA, et al. "The Molecular Restructuring of Classical Desserts by Using Food Industry By-Products." Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Food Science and Technology 74, no. 2 (2017): 58. http://dx.doi.org/10.15835/buasvmcn-fst:0032.

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Fruit and vegetable by-products are in general thrown away and can cause environmental problems, even though they are a valuable source of bioactive compounds, which may be used for innovative food production.The present work focused on achieving a new type of dessert, a “Sweetburger”, by restructuring its molecular components with the aid of molecular gastronomy techniques and using agro-industrial wastes (beetroot and sour cherry pulp and peels, melon pomace). The innovative dessert has been obtained and the bioactive compounds contained in the agro-industrial wastes have been characterized

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Pyrzynska, Krystyna. "Useful Extracts from Coffee By-Products: A Brief Review." Separations 11, no. 12 (2024): 334. http://dx.doi.org/10.3390/separations11120334.

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The waste materials generated from the processing of coffee cherries are still rich in several bioactive compounds. Several studies highlight coffee by-products as a valuable source for diverse applications, such as biofuels, biopolymers, biocomposites, and natural antioxidants in food, pharmaceuticals, and cosmetics. The development of prospective strategies for the valorization of coffee wastes is a goal of a sustainable and circular bioeconomy, increasing the added value of these wastes and reducing environmental pollution. This brief overview describes the recently proposed procedures for

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Kanchan, Archana Singh, Vibha Parihar, and Sadhvi. "Bioconversion of Food Wastes and By-products to Value-added Products: A Comprehensive Review." European Journal of Nutrition & Food Safety 16, no. 11 (2024): 297–305. https://doi.org/10.9734/ejnfs/2024/v16i111594.

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Food processing industries are considered to be rapidly expanding sectors due to the increase in the need for food to prevent hunger and the need for nourishing food to support the development of a healthy country. Nowadays, around one-third of the fresh crop is squandered during the food processing chain and is dumped in landfills and the ocean. According to an FAO report, 805 million people worldwide suffer from hunger, yet in 2020, the globe threw away 126 million tons of food waste. High amounts of waste and by products are produced during the manufacturing and processing of food in develo

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Wangrakdiskul, Ubolrat, Thanapong Poommong, and Pishayuth Tubtimkeaw. "Enhancement Bending Strength of Non Fired Wall Tiles by Recovering Sand-Wastes By-Products from Kaolin Beneficiation Process." Key Engineering Materials 877 (February 2021): 123–30. http://dx.doi.org/10.4028/www.scientific.net/kem.877.123.

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Kaolin beneficiation mining is one of the sectors in a supply chain of ceramic industries, supplying qualified raw materials for manufacturing high-quality ceramic products. However, substantially by-products are generated from the mining process. The abundance fraction of sand-wastes is generated by approximately 40% of kaolin material input, amounting to 172,200 tons/ year. The burden of the manufacturer is attempting to find out the way to solve this problem. The effort of this research is to utilize waste by-products (sand-wastes) from kaolin mining. The eco-friendly Non fired wall tiles a

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Li, Yuncong, Edward Hanlon, George O'Connor, Jianjun Chen, and Maria Silveira. "Land Application of Compost and Other Wastes (By-products) in Florida: Regulations, Characteristics, Benefits, and Concerns." HortTechnology 20, no. 1 (2010): 41–51. http://dx.doi.org/10.21273/horttech.20.1.41.

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Compost is the product resulting from the controlled biological decomposition of organic material that has been sanitized through the generation of heat and processed to further reduce pathogens as defined by the U.S. Environmental Protection Agency and stabilized to the point that the compost is beneficial to plant growth. Organic materials used for composting in Florida are mainly yard wastes (trash) and food wastes. More than 5.7 million tons of composts could be produced from yard trash and food waste in the state. Animal manure and biosolids (treated sludge) can also be composted, but are

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Zielińska, Magdalena, and Katarzyna Bułkowska. "Agricultural Wastes and Their By-Products for the Energy Market." Energies 17, no. 9 (2024): 2099. http://dx.doi.org/10.3390/en17092099.

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The conversion of lignocellulosic agricultural waste into biofuels and other economically valuable compounds can reduce dependence on fossil fuels, reduce harmful gas emissions, support the sustainability of natural resources, including water, and minimize the amount of waste in landfills, thus reducing environmental degradation. In this paper, the conversion of agricultural wastes into biomethane, biohydrogen, biodiesel, bioethanol, biobutanol, and bio-oil is reviewed, with special emphasis on primary and secondary agricultural residues as substrates. Some novel approaches are mentioned that

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Korzh, Z. V. "THE PECULIARITIES OF WASTE MANAGEMENT IN ZHYTOMYR REGION." Energy Technologies & Resource Saving, no. 2 (June 25, 2018): 49–56. http://dx.doi.org/10.33070/etars.2.2018.07.

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The paper analyses the peculiarities of waste management in Zhytomyr region over the last 5 years. There was a significant decrease (up to 40 %) in the amount of wastes belonging to the hazard Classes I–IV as well as almost 40 times reduction in waste products of the hazard Class III. The largest amount of waste products of the hazard Classes I–IV was formed in Popilnia district, Andrushivka district and Zhytomyr. The smallest amount of these waste products was found in Pulyny, Brusyliv and Baranivka districts. The highest amount of available waste products was registered in Zhytomyr, in Koros

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Santacroce, Luigi, Lucrezia Bottalico, Ioannis Alexandros Charitos, et al. "Exploitation of Natural By-Products for the Promotion of Healthy Outcomes in Humans: Special Focus on Antioxidant and Anti-Inflammatory Mechanisms and Modulation of the Gut Microbiota." Antioxidants 13, no. 7 (2024): 796. http://dx.doi.org/10.3390/antiox13070796.

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Daily, a lot of food is wasted, and vegetables, fruit, and cereals as well as marine products represent the major sources of unwanted by-products. The sustainability, waste recovery, and revalorization of food by-products have been proposed as the main goals of the so-called circular economy. In fact, food wastes are enriched in by-products endowed with beneficial effects on human health. Grape, olives, vegetables, and rice contain different compounds, such as polyphenols, dietary fibers, polysaccharides, vitamins, and proteins, which exert antioxidant and anti-inflammatory activities, inhibit

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Sippel, I. Y., G. F. Hannanova, and K. A. Magdin. "Sorption of petroleum products by chemically modified agricultural waste." IOP Conference Series: Earth and Environmental Science 839, no. 4 (2021): 042056. http://dx.doi.org/10.1088/1755-1315/839/4/042056.

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Abstract The work investigated the physical, mechanical and sorption properties of cellulose-containing wastes of agro-industrial production, formed as a result of manufacturing activities of one of the large agricultural enterprises in the Republic of Tatarstan. To improve the sorption properties, the wastes were chemically modified via treating them with sodium hydroxide solutions with 0.5, 1, and 3% concentrations at a temperature of (20 ± 2) ° C. Standard and operating diesel oils were used as sorbates. As a result of alkaline treatment, there is an increase in the maximum oil absorption o

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Sharpley, Andrew N. "Agricultural Uses of By-Products and Wastes." Journal of Environmental Quality 27, no. 4 (1998): 984–85. http://dx.doi.org/10.2134/jeq1998.00472425002700040039x.

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Bedigian, Dorothea. "Agricultural Uses of By-Products and Wastes." Economic Botany 52, no. 3 (1998): 278. http://dx.doi.org/10.1007/bf02862146.

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Ivanović, Nevena, Tijana Ilić, Milica Zrnic-Ćirić, Vanja Todorović, Ivana Đuričić, and Nevena Dabetić. "Agri-food by-products as a source of sustainable ingredients for the production of functional foods and nutraceuticals." Arhiv za farmaciju 73, no. 3 (2023): 190–204. http://dx.doi.org/10.5937/arhfarm73-44481.

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The disposal of waste generated in the agri-food industry is one of the greatest challenges in achieving sustainable development. Although agri-food residues are a potential source of bioactive compounds with proven health benefits, they are largely unused and disposed of as organic waste. The recovery of bioactive compounds from agri-food waste to obtain products with high biological value, such as functional foods and nutraceuticals, is an idea that stems from the concept of bioeconomy and combines environmental issues with economically viable production. Some of the main agri-food wastes in

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Hemati, Sepideh, Sanjith Udayakumar, Charlotte Wesley, et al. "Thermal Transformation of Secondary Resources of Carbon-Rich Wastes into Valuable Industrial Applications." Journal of Composites Science 7, no. 1 (2023): 8. http://dx.doi.org/10.3390/jcs7010008.

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Carbon-based materials have become an indispensable component in a myriad of domestic and industrial applications. Most of the carbon-based end-of-life products discussed in this review end up in landfills. Where recycling is available, it usually involves the production of lower-value products. The allotropic nature of carbon has been analysed to identify novel materials that could be obtained from used products, which also transform into a secondary carbon resource. Thermal transformation of carbon-rich wastes is a promising and viable pathway for adding value to waste that would otherwise g

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I.V, Teterina. "Recycling of Polyethylene and Rubber-containing Wastes by Detonation of their Pyrolysis Products." Journal of Advanced Research in Dynamical and Control Systems 12, SP7 (2020): 1027–33. http://dx.doi.org/10.5373/jardcs/v12sp7/20202199.

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Mesa, Dayana, Juan P. Figueroa, Eduardo A. Leyes, et al. "Preliminary Physical and Chemical Characterization of By-Products from Cuban Coffee Production." Foods 13, no. 21 (2024): 3348. http://dx.doi.org/10.3390/foods13213348.

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Coffee is one of the most consumed beverages worldwide. Its production generates a large amount of waste, and its use is of vital importance to prevent it from becoming a source of environmental pollution. Cuba is a country with a well-known coffee-growing tradition. Although coffee production has decreased, it is vitally important to use the waste generated in these productions to reduce environmental pollution. To know the possible use or application of coffee waste, it is necessary to know its composition. In this article, three Cuban Arabica coffee wastes (husk, parchment and spent coffee

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Rațu, Roxana Nicoleta, Ionuț Dumitru Veleșcu, Florina Stoica, et al. "Application of Agri-Food By-Products in the Food Industry." Agriculture 13, no. 8 (2023): 1559. http://dx.doi.org/10.3390/agriculture13081559.

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Every year, the global food industry produces a significant number of wastes and by-products from a variety of sources. By-products from the food-processing sector are produced in large quantities, and because of their undesirable qualities, they are frequently wasted, losing important resources. In order to pursue a circular economy that refers to waste reduction and effective waste management, by-products valorization recently received increased interest. By-products are rich in bioactive compounds and can be used in various industrial applications for health promotion and nutritional benefi

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Spalvins, Kriss, Ilze Vamza, and Dagnija Blumberga. "Single Cell Oil Production from Waste Biomass: Review of Applicable Industrial By-Products." Environmental and Climate Technologies 23, no. 2 (2019): 325–37. http://dx.doi.org/10.2478/rtuect-2019-0071.

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Abstract Single cell oil (SCO) is an attractive alternative source of oil, which, depending on the fatty acid composition, can be used as a feedstock for biodiesel production, as an ingredient for pharmaceuticals or as a source of essential fatty acids for human and animal consumption. However, the use of SCO is limited due to use of relatively expensive food or feed products in the cultivation of SCO producing microorganisms. In order to reduce SCO production costs, the use of cheaper feedstock such as biodegradable agro-industrial wastes are necessary. At the same time, the microbial treatme

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Hennebert, Pierre. "RISK MANAGEMENT OF HAZARDOUS SOLID WASTES BY HAZARDOUS PROPERTY INCLUDING MERCURY CONTAINING WASTES." Detritus, no. 20 (August 25, 2022): 78–89. http://dx.doi.org/10.31025/2611-4135/2022.15212.

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The classification of waste is complex. Once detailed chemical composition, and in some cases speciation testing has been completed, the chemicals present are checked either as hazardous chemicals or persistent organic pollutants (POPs). However, detailed waste characterisation data can be used to support onward management of wastes, including hazardous wastes. A process management flowchart has been compiled using data from twelve waste streams. Specifically, for hazardous waste, the proposed approach can be used to firstly identify how a potential hazard may be eliminated using specific trea

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Amantayeva, A., N. B. Batyrbayeva, and Zh S. Alimkulov. "Use of by-products of non-traditional oilseeds in the production of compound feed." Journal of Almaty Technological University 147, no. 1 (2025): 123–30. https://doi.org/10.48184/2304-568x-2025-1-123-130.

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It is known that fodder production is one of the main branches of agriculture, the growth rate of which determines the development of livestock breeding and contributes to increasing the competitiveness of its products and solving the problem of livestock food, since the share of fodder accounts for more than half of all costs of livestock production. It is known that the market is experiencing a deficit of feed raw materials with high energy potential for farm animals. This limitation helps to reduce the deficit associated with rising prices for fodder. Therefore, the use of waste oilseeds is

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SELIN SAHIN. "Valorization of a biomass: phytochemicals in oilseed by-products." Journal of Oilseeds Research 40, no. 1 and 2 (2023): 22–24. http://dx.doi.org/10.56739/4d1y9a08.

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Agri-food industry generates a wide variety of waste by-products in huge amounts every year. These by-products possess various phytochemicals which are known as high value addeded substances. Oilseed crops produces residuals, which have potential source of high added-value phytochemicals. This study gives the types of oilseed by-products and their high added value phytochemicals by summarizing the recent studies on the valorization of different wastes of several oilseed crops. Furthermore, future perspectives are also discussed.

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Fomin, A., P. Khavanov, and M. I. Kozhukhova. "Autoclave Composites Containing Ferriferous Industrial By-Products." Materials Science Forum 945 (February 2019): 1030–35. http://dx.doi.org/10.4028/www.scientific.net/msf.945.1030.

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Current conditions of new advanced materials production impose the application of industrial wastes from iron-ore deposits as a prospective component for building materials. A great potential of the wastes utilization found in autoclave building materials. Therefore, the effect of the ferriferous mineral admixture hematite Fe2O3 as a main component of iron-ore wastes on phase and structure formation in binder under autoclave curing as well as physical and mechanical characteristics was studied in this research. The optimal content of Fe2O3 and autoclave regime, forming hydrosilicates with ferr

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Gowman, Alison C., Maisyn C. Picard, Loong-Tak Lim, Manjusri Misra, and Amar K. Mohanty. "Fruit waste valorization for biodegradable biocomposite applications: A review." BioResources 14, no. 4 (2019): 10047–92. http://dx.doi.org/10.15376/biores.14.4.gowman.

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Currently, food waste is a major concern for companies, governments, and consumers. One of the largest sources of food waste occurs during industrial processing, where substantial by-products are generated. Fruit processing creates a lot of these by-products, from undesirable or “ugly fruit,” to the skins, seeds, and fleshy parts of the fruits. These by-products compose up to 30% of the initial mass of fruit processed. Millions of tons of fruit wastes are generated globally from spoilage and industrial by-products, so it is essential to find alternative uses for fruit wastes to increase their

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Pardo Solórzano, Manuela Victoria, Geison Modesti Costa, and Leonardo Castellanos. "Passiflora By-Products: Chemical Profile and Potential Use as Cosmetic Ingredients." Scientia Pharmaceutica 92, no. 4 (2024): 57. http://dx.doi.org/10.3390/scipharm92040057.

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The cosmetics industry is constantly growing and occupies an important place in South American countries’ economies. Formulations increasingly incorporate ingredients from natural sources to promote sustainable and innovative productions, as well as to gain greater consumer acceptance. According to FAO, waste from post-harvest and food processing in developing countries exceeds 40%, generating significant environmental impacts and stimulating interest in adding value to these wastes, particularly in the fruit and vegetable sector in South American countries, thus contributing to the achievemen

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Lucarini, Massimo, Alessandra Durazzo, Roberta Bernini, et al. "Fruit Wastes as a Valuable Source of Value-Added Compounds: A Collaborative Perspective." Molecules 26, no. 21 (2021): 6338. http://dx.doi.org/10.3390/molecules26216338.

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The by-products/wastes from agro-food and in particular the fruit industry represents from one side an issue since they cannot be disposed as such for their impact on the environment but they need to be treated as a waste. However, on the other side, they are a source of bioactive healthy useful compounds which can be recovered and be the starting material for other products in the view of sustainability and a circular economy addressing the global goal of “zero waste” in the environment. An updated view of the state of art of the research on fruit wastes is here given under this perspective.

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Eliopoulos, Christos, Giorgos Markou, Ioanna Langousi, and Dimitrios Arapoglou. "Reintegration of Food Industry By-Products: Potential Applications." Foods 11, no. 22 (2022): 3743. http://dx.doi.org/10.3390/foods11223743.

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Numerous studies have indicated that fruits and vegetables are considered as significant sources of bioactive compounds. The generated by-products, which are derived from the food industry, reveal similar or higher antioxidant activity. On the other hand, intense industrialization results in the production of large volumes of by-products, raising serious environmental issues. Therefore, this situation creates the necessity to develop new strategies in order to exploit the generated wastes, securing the ability to develop new high-added-value products. This review aims to summarize the exploita

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Giwa, Adewale, Farah Abuhantash, Bushra Chalermthai, and Hanifa Taher. "Bio-Based Circular Economy and Polygeneration in Microalgal Production from Food Wastes: A Concise Review." Sustainability 14, no. 17 (2022): 10759. http://dx.doi.org/10.3390/su141710759.

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The production of biofuels from microalgae has gained considerable attention due to the rapid diminution of fossil fuels. Despite major advantages, microalgal biofuels deployment still faces obstacles associated with the cost of biomass production and waste disposal. The production could become more cost-effective and feasible if the wastes in the production processes are recycled/reused and the biofuels produced are co-produced with high-value co-products. The aim of this review is to discuss and analyze the importance of recycling/reusing wastes and co-producing high-value products to be imp

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Mukherjee, Tirthankar, Eric Trably, and Prasad Kaparaju. "Critical Assessment of Hydrogen and Methane Production from 1G and 2G Sugarcane Processing Wastes Using One-Stage and Two-Stage Anaerobic Digestion." Energies 16, no. 13 (2023): 4919. http://dx.doi.org/10.3390/en16134919.

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Sugarcane is a lignocellulosic crop which is used to produce sugar in sugarcane processing industries. Globally, sugarcane processing industries generate solid and liquid wastes amounting to more than 279 million tons per annum and by-products; namely, trash, bagasse, mill mud, and molasses. The valorisation of waste and by-products has recently increased and is playing a significant role in achieving policies and goals associated with circular bioeconomy and sustainable development. For the valorisation of sugarcane processing industry waste and by-products, a number of technologies are well

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Anil Kumar. "Waste Management and Recycling of Industrial By-Products." Journal of Science Innovations and Nature of Earth 4, no. 4 (2024): 63–67. https://doi.org/10.59436/jsiane.291.2583-2093.

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This study explores a systematic approach to waste management by identifying re-use and recycling options through a two-stage methodology. Initially, a questionnaire was employed to collect data on waste types, quantities, and current or planned recycling activities. The second stage involved categorizing wastes into eight classes based on their characteristics, performing a keyword database search using six commercially available databases, and identifying potential process options and treatment technologies. The database search, refined through keyword clustering, reduced 191,721 entries to

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Adedeji, Akinbode A. "Agri-Food Waste Reduction and Utilization: A Sustainability Perspective." Journal of the ASABE 65, no. 2 (2022): 471–79. http://dx.doi.org/10.13031/ja.14797.

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HighlightsSignificant amounts of waste are produced along the agri-food supply chain.The impact of these agri-food wastes on the environment is very costly.Current solutions to reduce waste include upcycling and improved food labeling.Future goals include improving the cost-effectiveness of solutions.Abstract. As the human population edges closer to nine billion, we must explore how we can sustainably use Earth’s limited resources. Current agricultural production and food processing create significant amounts of wastes that have drastic effects on the environment, on the cost of production, an

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Kavyateja, Bode Venkata, and Panga Narasimha Reddy. "Effect of Industrial Waste on Strength Properties of Concrete." Annales de Chimie - Science des Matériaux 44, no. 5 (2020): 353–58. http://dx.doi.org/10.18280/acsm.440508.

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Industrial wastes generally pumped into water bodies and soil that would pollute the atmosphere. As a control measure, industrial wastes products utilized as waste building materials. In the present research, waste products from various industries like illuminate sludge and glass bottle powder used in different dosages as a replacement for fine aggregate and metakaolin used as a cement replacement. Split tensile strength and compressive strength of the concrete samples examined for M30 grade. Fine aggregate is substituted by glass bottle powder (i.e. 10 to 40%) and illuminate sludge (i.e. 10 t

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Andrianto, Dimas, Husnawati, Zulfikar Muchammad, et al. "Pemberdayaan Pertanian Terpadu Bermodal Limbah Ladang, Dapur dan Kandang Berbasis Koperasi di Desa Cibitung Tengah, Bogor." Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat 6, no. 3 (2020): 195–205. http://dx.doi.org/10.29244/agrokreatif.6.3.195-205.

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Farming in Cibitung Tengah Village, Tenjolaya Subdistrict, Bogor District, West Jawa is characterized by vegetables and sheep farming. Several problems in farming are the use of chemical fertilizers, management of agriculture and domestic wastes properly; even some people disposing of garbage in the river and also, the institutional Farmer Group Association (Gapoktan) and Female Farmer Group (KWT) are not functioning optimally. The use of an integrated farming system can increase land and livestock productivities and reduce the volume of agriculture and domestic wastes all at once. This commun

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Malenica, Dunja, Marko Kass, and Rajeev Bhat. "Sustainable Management and Valorization of Agri-Food Industrial Wastes and By-Products as Animal Feed: For Ruminants, Non-Ruminants and as Poultry Feed." Sustainability 15, no. 1 (2022): 117. http://dx.doi.org/10.3390/su15010117.

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Substantial increase in the production of agri-food commodities over the past years has resulted in the generation of enormous volumes of wastes and by-products, thus contributing to increased environmental pollution. Being an under-exploited raw material which are rich in bioactive compounds (e.g., polyphenols, dietary fibre, oils, essential vitamins, minerals, etc), novel strategies and initiatives have been proposed and implemented for the effective management and valorization of these wastes and by-products. The proposed initiatives and strategies support the concepts of EU circular econom

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Henriques, Juan, Pedro M. Castro, Rui Dias, Bruno Magalhães, and Marco Estrela. "Potential Industrial Synergies in the Steelmaking and Metal-Processing Industry: By-Products Valorization and Associated Technological Processes." Sustainability 15, no. 21 (2023): 15323. http://dx.doi.org/10.3390/su152115323.

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Steelmaking and ferrous metal processing companies are suppliers of great importance to a wide array of industries, thus being quintessential for the social and financial growth of regions and countries. Most used processes (i.e., blast furnace, basic oxygen furnace, and electric arc furnace-based) are, however, highly pollutant, generating hazardous wastes that were usually landfilled. Generated wastes are important sources of secondary raw materials such as zinc and iron, presenting interesting market value. Hence, aiming to develop green procedures, industries have been using diverse approa

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Ahmed, Daoud, and Intisar Turki. "Methane Production From Animal by-Products and Wastes." Journal of Environmental Studies 5, no. 1 (2010): 51–55. http://dx.doi.org/10.21608/jesj.2010.185312.

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Hennebert, Pierre. "Waste hazard properties HP 4 ‘Irritant’ and HP 8 ‘Corrosive’ by pH, acid/base buffer capacity and acid/base concentration." Detritus, no. 16 (September 30, 2021): 5–15. http://dx.doi.org/10.31025/2611-4135/2021.15120.

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European "Technical Recommendations" have proposed, in addition to the use of substance concentrations, the use of a pH (≤ 2 or ≥ 11.5) and an acid / base buffering capacity to classify waste into according to their hazardous properties HP 4 'Irritant' and HP 8 'Corrosive'. Buffer capacity refers to a 2018 UK classification guide referring to the 'corrosive' level of a method proposed in 1988 for substances and preparations but not retained in EU regulations. The different methods of classifying products and wastes in terms of corrosivity or irritation are compared. The waste method using pH a

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Kari, Zulhisyam Abdul, Suniza Anis Mohamad Sukri, Nor Dini Rusli, et al. "Recent Advances, Challenges, Opportunities, Product Development and Sustainability of Main Agricultural Wastes for the Aquaculture Feed Industry – A Review." Annals of Animal Science 23, no. 1 (2023): 25–38. http://dx.doi.org/10.2478/aoas-2022-0082.

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Abstract Million tonnes of agricultural waste are generated annually worldwide. Agricultural wastes possess similar profiles to the main products but are lower in quality. Managing these agricultural wastes is costly and requires strict regulation to minimise environmental stress. Thus, these by-products could be repurposed for industrial use, such as alternative resources for aquafeed to reduce reliance on fish meal and soybean meal, fertilisers to enrich medium for growing live feed, antimicrobial agents, and immunostimulatory enhancers. Furthermore, utilising agricultural wastes and other p

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Laftah, Waham Ashaier, and Wan Aizan Wan Abdul Rahman. "Rice waste–based polymer composites for packaging applications: A review." Polymers and Polymer Composites 29, no. 9_suppl (2021): S1621—S1629. http://dx.doi.org/10.1177/09673911211046775.

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Rice wastes are abundant, low-cost, cellulosic-based materials. The potential of using rice waste such as husk, straw, and bran in bio-composite production is a crucial target of the composite industry. Chemical composition is the main factor that offers diverse possible applications of rice wastes in bio-composite-based materials. Eco-friendly products of bio-composite polymers can be produced by reinforcing and filling polymer matrices with high cellulosic content materials such as rice waste. From manufacturing point of view, rice wastes can be used to reduce the production cost of polymer-

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János, Sója, and Miskolczi Norbert. "Recycling of ELV Waste Plastics by One-Stage and a Two-Stage Thermo-Catalytic Pyrolysis." CHEMICAL ENGINEERING TRANSACTIONS 61 (September 19, 2017): 1909–14. https://doi.org/10.3303/CET1761316.

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Due to the significant increasing in motorization, the long term sustainable utilization of End-of-Life Vehicles (ELV) wastes is in the focus of the waste management. In the European Union annually 8-9 Mt of ELV waste should be utilized. ELV contains mainly metals but its 15 - 20 % is plastics or rubber. According to the 2000/53/EC directive, from 1 January 2015, 95 % of the waste from vehicles have to be utilized; 85 % of the wastes by mechanical recycling and 10 % of the wastes by chemical recycling. The chemical recycling results valuable products from ELV plastic wastes, such as fuels, oil

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Zhu, Yingdan, Yueting Luan, Yingnan Zhao, Jiali Liu, Zhangqun Duan, and Roger Ruan. "Current Technologies and Uses for Fruit and Vegetable Wastes in a Sustainable System: A Review." Foods 12, no. 10 (2023): 1949. http://dx.doi.org/10.3390/foods12101949.

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The fruit and vegetable industry produces millions of tons of residues, which can cause large economic losses. Fruit and vegetable wastes and by-products contain a large number of bioactive substances with functional ingredients that have antioxidant, antibacterial, and other properties. Current technologies can utilize fruit and vegetable waste and by-products as ingredients, food bioactive compounds, and biofuels. Traditional and commercial utilization in the food industry includes such technologies as microwave-assisted extraction (MAE), supercritical fluid extraction (SFE), ultrasonic-assi

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Grard, Baptiste J.-P., Nastaran Manouchehri, Christine Aubry, Nathalie Frascaria-Lacoste, and Claire Chenu. "Potential of Technosols Created with Urban By-Products for Rooftop Edible Production." International Journal of Environmental Research and Public Health 17, no. 9 (2020): 3210. http://dx.doi.org/10.3390/ijerph17093210.

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Urban agriculture is sprouting throughout the world nowadays. New forms of urban agriculture are observed such as rooftop farming. In the case of low-tech rooftop farming projects, based on recycled urban waste, one of the key issues is the type of substrate used, as it determines the functions and ecosystem services delivered by the green roof. Using a five year experimental trial, we quantified the food production potential of Technosols created only with urban wastes (green waste compost, crushed wood, spent mushroom), as well as the soil fertility and the potential contamination of food pr

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Anbesaw, Muhammed Seid. "Bioconversion of Keratin Wastes Using Keratinolytic Microorganisms to Generate Value-Added Products." International Journal of Biomaterials 2022 (March 22, 2022): 1–24. http://dx.doi.org/10.1155/2022/2048031.

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The management of keratinous wastes generated from different industries is becoming a major concern across the world. In each year, more than a billion tons of keratin waste is released into the environment. Despite some trials that have been performed and utilize this waste into valuable products, still a huge amount of keratin waste from different sources is a less explored biomaterial for making valuable products. This indicates that the huge amount of keratin waste is neither disposed properly nor converted into usable products rather thrown away to the environment that causes environmenta

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Pattnaik, Monalisha, Pooja Pandey, Gregory J. O. Martin, Hari Niwas Mishra, and Muthupandian Ashokkumar. "Innovative Technologies for Extraction and Microencapsulation of Bioactives from Plant-Based Food Waste and Their Applications in Functional Food Development." Foods 10, no. 2 (2021): 279. http://dx.doi.org/10.3390/foods10020279.

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The by-products generated from the processing of fruits and vegetables (F&V) largely are underutilized and discarded as organic waste. These organic wastes that include seeds, pulp, skin, rinds, etc., are potential sources of bioactive compounds that have health imparting benefits. The recovery of bioactive compounds from agro-waste by recycling them to generate functional food products is of increasing interest. However, the sensitivity of these compounds to external factors restricts their utility and bioavailability. In this regard, the current review analyses various emerging technolog

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Brazão Farinha, Catarina, Jorge de Brito, and Rosário Veiga. "Rendering Mortars with Low Sand and Cement Content. Incorporation of Sanitary Ware Waste and Forest Biomass Ashes." Applied Sciences 10, no. 9 (2020): 3146. http://dx.doi.org/10.3390/app10093146.

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The incorporation of wastes in new materials and products is an emerging trend, reducing virgin materials’ consumption and landfill deposition and the associated environmental impacts. Cement-based mortars can encapsulate some wastes, with the benefits stated above. In three previous researches, it was found that forest biomass bottom ashes (up to 15% by volume of cement), powder of sanitary ware (up to 20% by volume of sand) and sanitary ware particles above 2 mm (100% by volume of sand) can be incorporated in rendering mortars, replacing cement or sand. Several tests were performed, and it w

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Petrounias, Petros, Panagiota P. Giannakopoulou, Aikaterini Rogkala, et al. "Sustainable Use of By-Products and Wastes from Greece to Produce Innovative Eco-Friendly Pervious Concrete." Applied Sciences 12, no. 12 (2022): 5861. http://dx.doi.org/10.3390/app12125861.

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This study was based on the reduction of the extraction of natural resources and, at the same time, was focused on the use of by-products and various wastes in construction applications by following the principles of circular economy. Sterile natural rocks (limestones, basalts), industrial by-products (slags), hotel construction wastes (bathroom wastes) and electronic wastes (e-wastes) were tested for pervious concrete aggregates. For this reason, ten concrete specimens were prepared and tested petrographically, structurally, and physically. The physical properties of the tested raw materials

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Shao, Yang, Zengqi Zhang, Xiaoming Liu, et al. "Comprehensive Utilization of Industry By-Products in Precast Concrete: A Critical Review from the Perspective of Physicochemical Characteristics of Solid Waste and Steam Curing Conditions." Materials 17, no. 19 (2024): 4702. http://dx.doi.org/10.3390/ma17194702.

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Solid wastes have been widely used as a cement substitute in precast concrete. On the one hand, solid waste can effectively ameliorate a series of problems caused by steam curing. On the other hand, the use of solid waste can reduce the amount of cement used in the construction industry and reduce carbon emissions. However, due to the complexity of the steam curing system, the performance of precast concrete prepared under different steam curing conditions varies greatly. Moreover, there are a wide variety of solid wastes, and the differences in the physicochemical properties of different soli

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Kaushal, Kishor Sahoo1 &. Devendra Dohare2. "A REVIEW ON RECYCLING AND APPLICATION OF WASTE PLASTIC IN CONSTRUCTION FIELD." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES 6, no. 6 (2019): 173–77. https://doi.org/10.5281/zenodo.3262346.

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The utilisation of plastics is the major concern in the present scenario, the consumption of plastics has increased drastically; consequently, the responsible disposal of plastic wastes has created serious social and environmental arguments. Recycling and re-refining are the applicable processes for the upgrading of plastic wastes by converting them into reusable products such as aggregates and liquefied petroleum gas (LPG).Plastics pyrolysis may provide for the disposal of plastic wastes with the recovery of valuable gasoline-range hydrocarbons. These pyrolytic products can be divided into a

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Jerónimo, Alexandre, Mariana Fernandes, and Ana Briga-Sá. "Experimental Study on the Potential Utilization of Olive Oil Production Wastes and By-Products as Building Materials." Sustainability 16, no. 4 (2024): 1355. http://dx.doi.org/10.3390/su16041355.

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The construction industry is one of the sectors with the greatest environmental impact resulting from the high consumption of resources and the huge amount of waste generated. In addition, different wastes and by-products originate from various sectors of activity, namely the ones related to the agricultural sector, requiring the urgent actions of recycling and reuse. In this context, this investigation focused on the valorization of wastes and by-products resulting from the olive oil production as building material components. Wet bagasse was added to cementitious mixtures at percentages of 5

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