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Dissertations / Theses on the topic 'Fixer waste'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Sheikholeslami, Roya. "Drying of hog fuel in a fixed bed." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/30970.

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Hog fuel is increasingly becoming an alternative to alleviate the energy problems associated with the use of fossil fuels. To make adequate use of hog fuel, its moisture content should be reduced prior to combustion either in an external dryer or in the initial stages of a hog fuel boiler. Therefore, this research project was undertaken to establish the factors which govern the drying rate of wet hog fuel particles. The convective drying of wood-waste on the slow moving bed of hog fuel boilers was simulated in a packed bed. The information which was obtained can also be applied to approximate

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2

Scott, David Edward. "Characterization of fibrillated polypropylene and recycled waste fiber reinforced concrete." Thesis, Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/19543.

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3

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

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4

Rao, Swati Suryamohan. "Enzymatic hydrolysis of cellulosic fiber." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/29639.

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Thesis (M. S.)--Chemical Engineering, Georgia Institute of Technology, 2010.<br>Committee Chair: Banerjee Sujit; Committee Member: Deng Yulin; Committee Member: Haynes Danny. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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5

Melo, Diego de Quadros. "LIGNOCELLULOSIC ACTIVATED WASTE USE ADSORBENTS IN TOXIC METALS IONS REMOVAL: BATCH AND COLUMN STUDIES USING DESING EXPERIMENTAL." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=17236.

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FundaÃÃo Cearense de Apoio ao Desenvolvimento Cientifico e TecnolÃgico<br>The tururi and buriti fibers, and the castor bean stalks are extremely efficient to sorption of metal ions from aqueous solutions. In this study, the adsorbents were activated with different concentrations of alkali solutions (5, 7, 10 and 15% w/v). The materials were characterized by analytical techniques as infrared, X-ray Diffraction (XRD) and Thermogravimetry analysis. The infrared spectra revealed that associated groups to macromolecules of hemicellulose and lignin after alkaline activation have less intensity compa

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6

Lehmann, Marek. "Shear capacity of steel fiber reinforced waste sand concrete beams : doctoral dissertation." Rozprawa doktorska, [s.n.], 2019. http://dlibra.tu.koszalin.pl/Content/1318.

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7

Peill, Nicola Joy Hoffmann Michael R. Hoffmann Michael R. "Fiber-optic bundled array cable reactors for heterogeneous photocatalysis and waste stream remediation /." Diss., Pasadena, Calif. : California Institute of Technology, 1997. http://resolver.caltech.edu/CaltechETD:etd-01142008-082303.

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8

Fung, Wing Wah. "Lightly cemented rubber tire chips as highway pavement sub-base and the use of fiber Bragg's grating (FBG) as instrumentation sensors /." View abstract or full-text, 2004. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202004%20FUNG.

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9

Zhang, Qinglin. "Mathematical modeling of municipal solid waste plasma gasification in a fixed-bed melting reactor." Doctoral thesis, KTH, Energi- och ugnsteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-47451.

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The increasing yield of municipal solid waste (MSW) is one of the main by-products of modern society. Among various MSW treatment methods, plasma gasification in a fixed-bed melting reactor (PGM) is a new technology, which may provide an efficient and environmental friendly solution for problems related to MSW disposals. General objectives of this work are to develop mathematical models for the PGM process, and using these models to analyze the characteristics of this new technology. In this thesis, both experimental measurement and numerical analysis are carried out to evaluate the performanc

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10

Sultangaliyeva, Fariza. "Formulation of fluid fire-resistant fiber-reinforced cementitious composite : Application to radioactive waste disposal." Thesis, Pau, 2020. http://www.theses.fr/2020PAUU3041.

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Le but de ce travail est de développer un béton fluide résistant au feu renforcé en fibres de polypropylène pour les colis de stockage des déchets radioactifs de moyenne activité à vie longue. Le défi de ce travail consiste à utilizer des fibres de polypropylène qui, même ajoutées en petite quantité, améliorent la résistance au feu mais diminuent de manière significative la maniabilité des bétons frais. Des essais à l’échelle du laboratoire sont effectués afin d’évaluer les comportements rhéologique et à haute température des matériaux cimentaires contenant des fibres de polypropylène. Dans la

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11

Laskowska-Bury, Joanna. "Selected physico-mechanical properties fiber reinforced composit produced on waste aggregate : PhD thesis summary." Rozprawa doktorska, [s.n.], 2017. http://dlibra.tu.koszalin.pl/Content/1040.

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12

Bilawchuk, Maureen. "Evaluating kraft pulp mill fiber wastes as feedstuffs for beef cattle." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/27394.

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Pulp mill fiber wastes (PFW) are cellulosic byproducts from the processing of pulp. PFWs from two pulp mills, Prince George (PG) and Kamloops (K), were examined in a series of experiments to determine their suitability as ruminant feedstuffs. Initially, PFW, a high moisture substrate, was ensiled with a combination of barley (c. 16%-27%), hay (c.15%-26%), whey (c. 1.8%-3%) and urea (c. 0.8%-3%). Ensiling was shown to be an effective storage and preservation technique based on the chemical composition of the silages. In the first animal trial, 20% ensiled PFW was fed to sheep. Based on intake

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13

Coppola, Bartolomeo. "Use of End-of-Waste Foamed Fibers and Aggregates into a Cementitious Mortar." Doctoral thesis, Universita degli studi di Salerno, 2017. http://hdl.handle.net/10556/2678.

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2015 - 2016<br>Durability and sustainability of cementitious materials are two important issues in the field of construction materials. Durability is defined as the ability of cementitious materials to resist weathering action, chemical attack, abrasion or any other process of deterioration. The use of fibers is a viable solution to partially overcome the brittle behavior of such materials. At the same time it is demonstrated that fibers, by reducing cracking phenomena, allow to face the durability related issues. Different fibers have been used according to the aims of composite materials: hi

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14

Gustafsson, Linder Rebecca, and Paulina Lindqvist. "Effects on traffic work during demand-based collection of waste compared with collection at fixed intervals." Thesis, Linköpings universitet, Kommunikations- och transportsystem, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-177543.

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Avfallshämtningen är ett komplext problem som ställer mängder av logistiska krav och bör tillgodose kundens behov om att få sina sopor upphämtade och tömda i rätt tid. Samtidigt bör onödigt trafikarbete minskas för att uppnå en mer hållbar avfallshämtning. Nodra AB sköter avfallshämtningen av det kommunala avfallet i Norrköpings kommun. I dagsläget finns olika abonnemang för Nodra ABs kunder att välja på där avfallet hämtas enligt schemalagda rutter med fasta intervall. Nodra AB vet dock att behovet hos kunderna kan skilja sig från det standardiserade behovet, vilket r

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15

Nguyen, Anh-Long. "Application of self-cycling fermentation to a fixed-film reactor for the treatment of brewery wastewater." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0007/MQ44230.pdf.

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16

Ziarkiewicz, Marek. "Experimental evaluation of selected design methods of Steel Fiber Reinforced Waste Sand Concrete Beams : PhD thesis summary." Rozprawa doktorska, [s.n.], 2018. http://dlibra.tu.koszalin.pl/Content/1045.

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17

Souza, NÃgila Freitas. "Process for obtaining nanocellulose fiber from the pressing the palm mesocarp." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=12142.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior<br>The present study aimed to extract nanocellulose crystalline (NCC) and nanofibrillated (NCF), and recover of lignin from oil palm mesocarpfiber (also known as palm pressed fiber). Initially, the fibers were subjected to pulping acetosolv followed by bleaching with peroxide in basic medium. The crude fiber, bleached and post acetosolv were characterized physically, chemically and morphologically. To obtain the NCC a 23 factorial design was used. NCF was obtained by combinations of the number and size of steps chamber microfluidizer.

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18

Louis, Richard Joseph. "Utilization of a combined activated sludge fixed film media system for treatment of a high strength, high ammonia, industrial wastewater." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06112009-063901/.

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19

Shakourian, Gelareh. "Enhanced De-inking and Recyclability of Laser Printed Paper by Plasma-Assisted Fiber Coating." Thesis, Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/10572.

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Office waste paper is one of the fastest growing segments of the recycled fiber industry. Toner particles are rigid, insoluble and difficult to disperse and detach from fibers. Therefore papers made from recycled office waste having high toner content will contain noticeable ink particles. This work will consider an alternative way of efficient de-inking using plasma polymers which will not affect the fibers chemically or mechanically. The focus is development and characterization of plasma-deposited films to serve as a barrier film for the adhesion of ink toner to the paper fibers and thereby

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20

Riaz, Sajid. "A study into the use of torrefied biomass in a fixed bed biomass combustor." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2023. https://ro.ecu.edu.au/theses/2658.

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Biomass is a widely accepted renewable fuel with the potential to substitute conventional solid fossil fuels in thermal power generation due to its abundant availability and CO2 neutrality (if sustainably sourced). For the direct utilisation of biomass, combustion stands as the widely used thermochemical conversion process to generate heat and power. However, several drawbacks such as its low water resistivity, structural heterogeneity, high oxygen content, and poor grindability limit its utilisation as a convenient solid fuel. In this regard, pre‐treatment of biomass, i.e. torrefaction, a the

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21

Kocak, Gonul. "Producing Micro And Nano Fibers Having High Water Holding Capacity From Tomato And Wheat Waste Products And Using Them In Model Foods." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612525/index.pdf.

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The main objective of this study was to investigate the fibers and their effects and availability in ketchup (tomato fiber) and cake (wheat bran fiber) production. In order to this, rheological properties of ketchups with tomato fiber, and cake (100, 80, 60 g flour formulations) with wheat bran fiber in different concentrations were investigated. Tomato powder in ketchup and wheat bran in cake was used for comparison. The samples studied had pseudoplastic behavior having a definite yield stress with a good fit for the Herschel-Bulkley model. The viscosity and yield stress values increas

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22

Deydier, Alexandre. "Modélisation d’un réacteur de gazéification a lit fixe." Thesis, Pau, 2012. http://www.theses.fr/2012PAUU3012/document.

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Dans le cadre d’une thématique générale du Laboratoire Thermique Energétique et Procédés de Pau consacré à l’étude et à la valorisation des déchets tels que la pyrolyse, la combustion et la gazéification, la thèse se focalise sur la modélisation des phénomènes de transports de masse, de quantité de mouvement et d’énergie en milieu multiphasique multiconstituant réactif dans le cas d’un réacteur de gazéification à lit fixe. La première étape de la modélisation consiste à décrire classiquement le mouvement de chacune des phases continues par les équations de conservation de la masse, de la quant

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23

Xia, Wei. "Initial evaluation of briquetting possibilities of CaO-containing paper production waste : For use in metallurgical processes." Thesis, KTH, Materialvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-234801.

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Paper and pulp industry and steel industry are two major industries in Sweden, both of which are facing big challenges to treat their waste products properly. In this thesis work, initial evaluation of mechanical properties of briquettes made of waste products was performed. Three different CaO-containing waste products (Mesa, Kalk, Fly Ash) from Stora Enso and SCA were pressed with one kind of binding material (AOD slag) from Outokumpu. Drop tests were carried out to test the impact strength of the lab-made briquettes. Three different parameters were investigated of their influence on the imp

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24

Jonsson, Diana. "Methods for measuring mercury in gas ebullition from fiber banks : A literature study." Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-294107.

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Mercury contamination is an environmental issue with high priority due to its high toxicity. In addition to the atmospheric deposition, several lakes and rivers in Sweden are contaminated as a result from wood and pulp-fiber industries which stretches back 200 years. In Luleå, Sweden, a former groundwood industry, Karlshäll, has contributed to mercury pollution in the sediments of Notviken, a small bay connected to Luleå River and the Bothnian Sea, through release of process water. Industrial release of chemicals and wood pulp have resulted in a special type of sediment called fiber banks.

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25

Sacco, Olga. "Photocatalytic oxidation of organic pollutants under visible light irradiation: from N-doped tio2 photocatalysts to the design of a continuous fixed bed reactor." Doctoral thesis, Universita degli studi di Salerno, 2015. http://hdl.handle.net/10556/1939.

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2013 - 2014<br>As a consequence of the rapid growth of population in urban areas, water use and reuse has become a major concern, leading to an urgent imperative of developing effective and affordable technologies for the treatment of water and wastewater. Traditional methods for water treatment are usually based on physical and biological processes but, unfortunately, some organic pollutants, classified as bio-recalcitrant, are not biodegradable. In this way heterogeneous photocatalysis may become an effective water treatment technology to remove organic pollutants hardly oxidised by conventi

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26

Коломієць, Ольга Вікторівна. "Телеграм-бот для класифікації зображень твердих побутових відходів". Магістерська робота, Хмельницький національний університет, 2020. http://elar.khnu.km.ua/jspui/handle/123456789/9374.

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Дипломна робота магістра присвячена розробленню інформаційної системи для класифікації твердих побутових відходів. У роботі спроектовано та розроблено класифікатор зображень твердих побутових відходів з використанням згорткових нейронних мереж. Вперше використано інтерфейс програмного забезпечення Телеграм для реалізації системи класифікації таких зображень.

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Hagnell, Martina. "Återvinning av textil." Thesis, Högskolan i Borås, Institutionen Textilhögskolan, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-16848.

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Syftet med rapporten var att studera möjliga återvinningstekniker för Ragn-Sells. För detta användes litteratursökning och intervjuer. Återvinningstekniker som studerats är mekanisk bearbetning, mekanisk återvinning, kemisk återvinning och viskostillverkning. Flera underklasser till dessa metoder studerades också, liksom flera sätt att tillverka återvunna produkter. Rapporten nämner ett urval av återvinningstekniker och försöker inte nämna alla tillgängliga återvinningstekniker.Återvinningsteknikerna har sorterats enligt prioriteringen i EU:s återvinningsdirektiv (2008/98/EG). Alla utom en tek

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Ben, Amar Marwa. "Characterization of adsorption processes for the removal of metal ions from waste effluents using biosorbents and graphene-based sorbents. Studies in Batch and in fixed-bed column." Doctoral thesis, Universitat de Girona, 2021. http://hdl.handle.net/10803/673800.

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Wastewater discharged from industrial and agricultural activities contains relatively large amounts of toxic metal ions, especially including Cd(II), Cu(II), Pb (II), and Cr(VI). The removal of these pollutants is of great interest from both health and environmental perspectives. Arsenic contamination, generally associated with the geochemical environment, is a global threat due to its acute toxicity and carcinogenicity. The oxidation of different mineral species due to the redox conditions causes arsenic to become soluble and enter into the surrounding environment through drainage water

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Santos, Flávia Regina Silva dos. "Desenvolvimento e aplicação de compósitos à base de matriz polimérica reforçado com fibras de curauá (Ananás erectifolius) e resíduos de madeiras amazônicas." Universidade Federal do Amazonas, 2013. http://tede.ufam.edu.br/handle/tede/3474.

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Made available in DSpace on 2015-04-22T22:08:46Z (GMT). No. of bitstreams: 1 Flavia Regina S dos Santos.pdf: 3668436 bytes, checksum: 5927f9f1725473e3fbb92116c1ea1fa2 (MD5) Previous issue date: 2013-03-04<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The search for new unconventional materials for construction based on renewable sources has contributed to environmental issues and sustainable development. In the current context of environmental and technological fibers in the Amazon region have become increasingly prominent, with respect to its use in products from vario

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LUZ, Marta Pereira da. "Aproveitamento de filer de pedreiras da região metropolitana de Goiânia em pavimentos flexíveis urbanos [manuscrito]: avaliação técnica e sócio-ambiental." Universidade Federal de Goiás, 2008. http://repositorio.bc.ufg.br/tede/handle/tde/341.

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Made available in DSpace on 2014-07-29T12:05:39Z (GMT). No. of bitstreams: 1 pre_text_marta.pdf: 236863 bytes, checksum: d3c71af11d441289032c0090e88b1a4b (MD5) Previous issue date: 2008-11-27<br>The generation of industrial waste has been the object of increasing attention in the field of Science and Technology because of the problems which arise when it is stored and inadequately disposed of. This can have negative consequences for the worker, the company and for the neighboring population. In addition it can generate liabilities for the environment. Measures which internalize such liabilit

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Ruys, Victor. "Rhéologie des résidus agricoles pour un procédé multi-étapes de méthanisation en voie sèche." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAI064/document.

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Rhéologie des résidus agricoles pour un procédé de méthanisation par voie sèche multi-étapes.Le procédé Arkométha® utilise à profit l’injection de biogaz pour mélanger les résidus agricoles (fumier, lisier, ensilage, etc…) lors d’un procédé de méthanisation en voie sèche dans lequel la matière est épaisse. La connaissance des propriétés rhéologiques de ces matériaux, rarement étudiés dans la littérature, notamment à l’échelle industrielle, est un élément indispensable pour maitriser et contrôler le processus de mélange. Cette thèse a pour objectif de développer la compréhension des évolutions

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Andreani, Cristiane Lurdes. "Produção de hidrogênio a partir de água residuária de indústria de fécula de mandioca." Universidade Estadual do Oeste do Parana, 2012. http://tede.unioeste.br:8080/tede/handle/tede/151.

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Made available in DSpace on 2017-05-12T14:46:46Z (GMT). No. of bitstreams: 1 Cristiane.pdf: 1676874 bytes, checksum: b32327481322325a528776559d52d690 (MD5) Previous issue date: 2012-12-12<br>Attempting to associate waste treatment to the production of clean and renewable energy, the present research aimed to evaluate the biological production of hydrogen using wastewater from the manioc starch treatment industry, a liquid wastewater of high organic content, generated during the processes of extraction and purification of manioc starch. The experiment was carried out in two upflow fixed-bed a

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Toledo, Nataly Maria Viva de. "Use of fruit processing by-products for the development of cookies: physicochemical, nutritional, technological and sensory aspects." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/11/11141/tde-13032019-181241/.

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The present study aimed at characterizing pineapple, apple and melon by-products and evaluating their potential as an ingredient for the partial substitution of wheat flour in cookie formulations. The addition of fruit by-products contributed to rise the cookies fiber content. Melon by-product was prominent for its mineral content, whereas apple by-product presented more relevant results for phenolic compounds and antioxidant capacity (DPPH and ABTS). Such behaviors reflected in the cookie formulations. Eight phenolic compounds (vanillic acid, gallic acid, sinapic acid, salicylic acid, p-couma

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Marques, Vinícius Martins. "Avaliação de aspectos e impactos ambientais ao longo do ciclo de vida de telhas de fibrocimento com e sem amianto." Universidade do Vale do Rio dos Sinos, 2014. http://www.repositorio.jesuita.org.br/handle/UNISINOS/3957.

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Submitted by Silvana Teresinha Dornelles Studzinski (sstudzinski) on 2015-06-22T13:58:54Z No. of bitstreams: 1 Vinícius Martins Marques.pdf: 1733853 bytes, checksum: bb01aad5177e6a806c2cd05405f859e3 (MD5)<br>Made available in DSpace on 2015-06-22T13:58:54Z (GMT). No. of bitstreams: 1 Vinícius Martins Marques.pdf: 1733853 bytes, checksum: bb01aad5177e6a806c2cd05405f859e3 (MD5) Previous issue date: 2014-02-20<br>FAPERGS - Fundação de Amparo à Pesquisa do Estado do Rio Grande do Sul<br>Sinduscon-NH - Sindicato das Indústrias da Construção Civil, de Olarias, Ladrilhos Hidráulicos, Produtos d

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Oliveira, Nunes Andréa. "Composites renforcés à fibres de carbone : récupération des fibres par vapo-thermolyse, optimisation du procédé." Thesis, Ecole nationale des Mines d'Albi-Carmaux, 2015. http://www.theses.fr/2015EMAC0006/document.

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La demande mondiale en fibre de carbone est estimée à 89 000 tonnes en 2020. Une quantité croissante de déchets de composites renforcés à fibres de carbone (PRFC) est donc attendue. Le recyclage des fibres de carbone, produits de forte valeur ajoutée, contenues dans les composites, présente des avantages économiques et environnementaux qui sont aujourd'hui la force motrice pour le développement des filières de recyclage. L'objectif est de récupérer les fibres de carbone afin de pouvoir envisager un réemploi dans d'autres applications. Leurs propriétés mécaniques et structurales doivent alors ê

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Bender, Ana Betine Beutinger. "FIBRA ALIMENTAR A PARTIR DE CASCA DE UVA: DESENVOLVIMENTO E INCORPORAÇÃO EM BOLOS TIPO MUFFIN." Universidade Federal de Santa Maria, 2015. http://repositorio.ufsm.br/handle/1/5774.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>In the wine industry are generated large quantities of solid waste, such as grape pomace, which are discarded or underutilized. However, represent alternative nutrient sources, as significant levels of dietary fiber. The study aimed to evaluate the chemical composition and technological properties of grape pomace skins, before and after dietary fiber concentration. In addition, the aim was to evaluate the effect of their inclusion in muffins, in nutritional, technological and sensory parameters. The skins of Cabernet Sauvignon, C

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Izquierdo, Indara Soto. "Utilização de pós residuais e fibra de sisal em blocos de concreto." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/18/18134/tde-07072015-094257/.

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A pesquisa tem como enfoque fundamental a aplicação de novos materiais alternativos para uma construção sustentável. Pós residuais, provenientes do resíduo orgânico e do setor mineral, e fibras de sisal constituem bons exemplos de materiais não convencionais. Dessa forma, o objetivo principal foi avaliar a incorporação dos pós residuais e da fibra de sisal no concreto para a fabricação de blocos de concreto e elementos de alvenaria. Foram estudados três relações cimento: agregado, de 1:15, 1:10 e 1:6 (traços pobre, médio e rico), com a finalidade de produzir blocos estruturais com classe de re

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ARRUDA, FILHO Nivaldo Timóteo de. "Compósitos cimentícios leves utilizando resíduos industriais e fibras de sisal." Universidade Federal de Campina Grande, 2011. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/1096.

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Submitted by Johnny Rodrigues (johnnyrodrigues@ufcg.edu.br) on 2018-07-04T13:15:17Z No. of bitstreams: 1 NIVALDO TIMÓTEO DE ARRUDA FILHO - DISSERTAÇÃO PPGEA 2011..pdf: 5184330 bytes, checksum: 4dd737343af7919e1972cd31963d1d84 (MD5)<br>Made available in DSpace on 2018-07-04T13:15:17Z (GMT). No. of bitstreams: 1 NIVALDO TIMÓTEO DE ARRUDA FILHO - DISSERTAÇÃO PPGEA 2011..pdf: 5184330 bytes, checksum: 4dd737343af7919e1972cd31963d1d84 (MD5) Previous issue date: 2011-02<br>Capes<br>Avalia-se neste trabalho, a produção de elementos construtivos leves a partir de matrizes cimentícias com incorporação

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Bonnin, Egilda Purusha. "Electrolysis of Ammonia Effluents: A Remediation Process with Co-generation of Hydrogen." Ohio : Ohio University, 2006. http://www.ohiolink.edu/etd/view.cgi?ohiou1156435340.

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Lalinde, Castrillón Luis Felipe. "Estudio de compuestos de GRC y adiciones activas: Propiedades mecánicas, envejecimiento acelerado y durabilidad." Doctoral thesis, Universitat Politècnica de València, 2020. http://hdl.handle.net/10251/157637.

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[ES] En el ámbito de los materiales compuestos o composites para la construcción, el cemento reforzado con fibras de vidrio (GRC, del inglés glass fiber reinforced cement) es el más extensamente utilizado, por sus excelentes propiedades mecánicas (resistencia a flexión y tenacidad). Sin embargo, la durabilidad de estos composites se ha demostrado crítica, y es necesario proponer alternativas. Las fibras usadas, de carácter álcali-resistente (fibras AR, formadas por agrupación de filamentos), son atacadas por el medio agresivo que impone el cemento hidratado. Una alternativa interesante, desde

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Phéron, Xavier. "Durabilité des capteurs à fibres optiques sous environnement radiatif." Phd thesis, Université Jean Monnet - Saint-Etienne, 2013. http://tel.archives-ouvertes.fr/tel-01058775.

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Nous avons étudié le comportement de capteurs répartis par rétrodiffusion Brillouin dans des fibres optiques soumises à des environnements radiatifs pour la mesure de contraintes thermomécaniques. Le premier chapitre présente le besoin de mesure répartie par fibre optique pour le stockage sur site géologique des déchets radioactifs de moyennes et hautes activités vie longue (MA-VL et HA-VL) envisagé par l'Andra. Le second chapitre précise la méthodologie utilisée durant la thèse. Le choix de fibres optiques utilisées ainsi que les moyens de caractérisation exploités pour étudier l'évolution de

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Valença, Patrícia de Magalhães Aragão. "Desempenho mecânico de misturas asfálticas do tipo stone matrix asphalt com uso de fibras amazônicas e agregados de resíduos de construção e demolição." Universidade Federal do Amazonas, 2012. http://tede.ufam.edu.br/handle/tede/2366.

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Made available in DSpace on 2015-04-11T13:47:53Z (GMT). No. of bitstreams: 1 Patricia_Valenca.pdf: 4047438 bytes, checksum: a02cd074f12f4a3944a6c31fbd696ac4 (MD5) Previous issue date: 2012-12-20<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The development of road infrastructure in Brazil, coupled with investments in the automotive industry in the 60s, boosted, years later, the need to implement public and private administrative systems on these roads, in order to maintain good traffic conditions and safety. Moreover, Manaus county has a history of geotechnical problems

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Moulin, Lionel. "Transferts de masse parietaux dans un ecoulement turbulent a surface libre : application a un processus d'auto-epuration par biomasse fixee dans une galerie d'evacuation d'effluents de stations d'epuration." Paris 7, 1987. http://www.theses.fr/1987PA077039.

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Proposition d'un modele et d'un code de calcul pour suivre l'evolution longitudinale de la concentration en matiere organique dissoute dans une galerie d'evacuation au rhone des effluents des stations d'epuration de chambery et d'aix-les bains, la pollution organique etant consommee par un film biologique fixe sur les parois du canal

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Hamp, Cajsa, and Emelie Nilsson. "Textila material av bananavfall : En undersökning om för- och nackdelar för bananavfall som textiltmaterial i modebranschen." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-23514.

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Denna studie undersöker för- och nackdelar med textilier gjorda av bananavfall applicerat inom modebranschen. Studien granskas ur ett miljöperspektiv med ett fokus utifrån mål 12: Hållbarkonsumtion och produktion från de Globala målen. De Globala målen är en del avhandlingsplanen Agenda 2030 som är uppsatt av United Nation Development Program, där det eftersträvas att fram till och med år 2030 ha uppnått en mer hållbar värld. Vidare kommer bananfiberns egenskaper att granskas ur ett teoretiskt perspektiv för att se om detta är ett lämpligt val inom modebranschen. Studien ger också en inblick i

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Baldan, Victor José dos Santos. "Desenvolvimento e caracterização de placas poliméricas produzidas a partir da reciclagem do resíduo industrial de poliuretana termofixa." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/102/102131/tde-30062016-102309/.

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Os compósitos são materiais formados por duas fases de diferentes propriedades químicas e físicas, sendo uma matriz e um reforço, que apresentam alta rigidez, melhores respostas à fadiga sob cargas cíclicas, leveza e resistência mecânica, o que os torna viáveis para substituir materiais nobres e de custo elevado, com diversas aplicações na aeronáutica, nos esportes, na indústria bélica e principalmente na construção civil. Além disso, os compósitos podem ser obtidos a partir da incorporação de resíduos em sua composição, solucionando problemas como o descarte irregular. Com o intuito de contri

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SOSA-GRIFFIN, MILENA. "Aspects technico-economiques des agglomerats de fibres de bagasse." Paris 6, 1988. http://www.theses.fr/1988PA066544.

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Quitadamo, Alessia. "Influence of wood flour and cellulose on the properties and the stability of formulations based on polyolefins and bio-based polymers." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEI015.

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L'objectif de cette recherche est le développement de matériaux à haute valeur ajoutée, avec une grande quantité de charges bio-dérivées, aboutissant à un produit plus écologique. La stratégie poursuivie est basée à la fois sur l'introduction de fibres naturelles et sur l'utilisation de mélanges de polymères à base d'huile et bio-dérivés comme matrices, réduisant la quantité non biodégradable dans le matériau. Le projet de thèse est basé sur le développement de mélanges HDPE / PLA remplis de charges naturelles, telles que la farine de bois et les fibres de papier recyclées. Le polyéthylène hau

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Raymond, Alexander William. "Investigation of microparticle to system level phenomena in thermally activated adsorption heat pumps." Thesis, Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34682.

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Heat actuated adsorption heat pumps offer the opportunity to improve overall energy efficiency in waste heat applications by eliminating shaft work requirements accompanying vapor compression cycles. The coefficient of performance (COP) in adsorption heat pumps is generally low. The objective of this thesis is to model the adsorption system to gain critical insight into how its performance can be improved. Because adsorption heat pumps are intermittent devices, which induce cooling by adsorbing refrigerant in a sorption bed heat/mass exchanger, transient models must be used to predict perfo

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Zago, Márcio Fernando Cardoso. "Aproveitamento de resíduo agroindustrial de jabuticaba no desenvolvimento de formulação de cookie para a alimentação escolar." Universidade Federal de Goiás, 2014. http://repositorio.bc.ufg.br/tede/handle/tede/4343.

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Submitted by Erika Demachki (erikademachki@gmail.com) on 2015-03-24T19:51:42Z No. of bitstreams: 2 Dissertação - Márcio Fernando Cardoso Zago - 2014.pdf: 2344826 bytes, checksum: 785eb9d33a3c85c094d7e3cfc111730d (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)<br>Approved for entry into archive by Erika Demachki (erikademachki@gmail.com) on 2015-03-24T19:54:15Z (GMT) No. of bitstreams: 2 Dissertação - Márcio Fernando Cardoso Zago - 2014.pdf: 2344826 bytes, checksum: 785eb9d33a3c85c094d7e3cfc111730d (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a771

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Luz, José Maria Rodrigues da. "Degradação de compostos tóxicos e de fatores antinutricionais da torta de pinhão manso por Pleurotus ostreatus." Universidade Federal de Viçosa, 2009. http://locus.ufv.br/handle/123456789/5366.

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Made available in DSpace on 2015-03-26T13:51:59Z (GMT). No. of bitstreams: 1 texto completo.pdf: 1426624 bytes, checksum: 8ec26861eeae9b5c7bd7e331f352548c (MD5) Previous issue date: 2009-07-24<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>The oil extraction from Jatropha curcas seeds as raw material to biodiesel production releases a large quantity of solid residue, called cake.This Jatropha cake is formed by lignocellulolytic residues, water, minerals salts, but also contains toxic compounds and antinutritional factors. The correct destination of this residue is of gre

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