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Dissertations / Theses on the topic 'By-products and wastes'

Author: Grafiati

Published: 10 March 2023

Last updated: 19 July 2025

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1

Tetteh, Antonia Yarbeh. "Optimization studies on chitin extraction from crustacean solid wastes." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61169.

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The research pursued relates to the establishment of interrelationship between various factors affecting chitin extraction, and combination of optimum levels of factors required to maximize the yield of chitin extraction. Optimization of chitin extraction was carried out using crab, lobster, and shrimp solid wastes. The study was divided into two stages: (a) optimization of chitin extractability with respect to particle size; (b) optimization of demineralization and deproteinization stages in lobster chitin extraction using Response Surface Methodology. Particle size had a significant effect o

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2

Angadam, Justine Oma. "Tertiary biovalorisation of Grape pomace." Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2836.

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Thesis (Masters of Environmental Health)--Cape Peninsula University of Technology, 2018.<br>In the Western Cape, South Africa and other regions globally, grape pomace (GP) is one of the abundant agro-waste from the winery industry. This study reports on the hyper-extraction of fermentable sugars from GP treated with white rot fungi (WRF) Phanerochaete chrysosporium BKMF 1767 to facilitate improved biovalorisation for total reducing sugars (TRS) extraction in conjunction with Nepenthes mirabilis digestive fluids. TRS were quantified using the 3,5-dinitrosalicylic acid (DNS) reagent method. The

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3

Esposito, Tiziana. "Technologies for the development of health products based on up-cycling of agro-food by-products." Doctoral thesis, Universita degli studi di Salerno, 2019. http://elea.unisa.it:8080/xmlui/handle/10556/4268.

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2017 - 2018<br>The agro-industrial processing produces large volumes of wastes and by-products. In recent years, wastes and by-products have attracted attention as an excellent renewable source of active compounds with beneficial effects for the human health. However, in that respect a substantial amount of research and complex processes of extraction, characterization and technological transformation are necessary for an efficient use of by-products with the purpose to develop stable and bioactive ingredients for pharmaceutical, food, and nutraceutical products. The main problems for an effic

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4

Libelo, Edward Laurence. "Characterization, utilization and treatment of mechanized clam processing wastes." Thesis, Virginia Polytechnic Institute and State University, 1988. http://hdl.handle.net/10919/80072.

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In response to water quality deterioration caused by clam processing effluent, the Virginia State Water Control Board is imposing much greater effluent discharge limitations on the industry. Meeting these limits will require increased wastewater treatment and decreasing the water volume of water used and the loading of organic material and suspended solids. Disposal of sludges and solid wastes also present problems to the industry. Three processing plants were studied to characterize the nature, sources and variations in waste generation and to evaluate potential solutions. Wastewater is gen

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5

BATTEGAZZORE, DANIELE. "Valorisation of natural by-products and wastes as fillers for bio-composites." Doctoral thesis, Politecnico di Torino, 2018. http://hdl.handle.net/11583/2700234.

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The present Ph.D. thesis is focused on the use of natural wastes or by-products from agricultural and industrial processes for the production of new materials. Two goals were simultaneously pursued: i) reducing wastes through material re-using in value applications and ii) improving some selected properties in order to achieve the standard performances required for a practical application. One of the principal methods for re-using natural sources, if they are not suitable for direct utilization, is to combine them with neat materials thus obtaining what is normally described as composite. In

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6

Massicotte, Luc. "Assessment of the agricultural value of sugar refinery by-products." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=23410.

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The sugar refinery process used by Lantic Sugar Ltd generates three by-products having characteristics that give them potential as soil amendments or fertilizers, particularly as a phosphorous and calcium source. Laboratory and a field trials were conducted in order to examine the changes in agronomic properties of soil produced by the application of these residues.<br>During the laboratory experiment, the by-products examined were spend bone char (SBC), filter-press mud (FPM), clarification scum (SCU) and a compost (COM) produced using FPM and SCU, where as in a field experiment, COM, SBC and

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7

de, Kock Michelle. "Anaerobic bioconversion of liquid and solid wastes from the winemaking process." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/96771.

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Thesis (MSc Food Sc)--Stellenbosch University, 2015.<br>ENGLISH ABSTRACT: South Africa is a developing country that relies on its agricultural sector as a main source of overall economic welfare. Development does not only give rise to new technology and new products but also results in increased amounts of liquid and solid waste. Generally, the production of wine is considered an environmentally friendly process, but significant amounts of natural resources and organic amendments are necessary, while generating large amounts of liquid and solid wastes. Anaerobic digestion (AD) is an attra

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8

Bernardo, Maria Manuel Serrano. "Study of the valorisation of the solid by-products obtained in the co-pyrolysis of different wastes." Doctoral thesis, Faculdade de Ciências e Tecnologia, 2013. http://hdl.handle.net/10362/10979.

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9

Essilfie, Rexford Justice, Hawkesbury Agricultural College, and Faculty of Food and Environmental Sciences. "Protein upgrading of orange peel waste for stock feed by solid substrate fermentation." THESIS_FES_XXX_Essilfie_R.xml, 1985. http://handle.uws.edu.au:8081/1959.7/353.

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Protein upgrading of orange peel waste was carried out by Solid Substrate Fermentation using an Aspergillus sp. inoculum in a waste peel mixture containing peel waste, potassium dihydrogen orthophosphate (KH2 PO4), ammonium sulphate [(NH4)2SO4] and molasses. Fermentation lasted 72 hours at 30C. after which crude protein level in the substrate increased from 5% to 13%. Factors found to be important in determing the efficiency of the fermentation process included fermentable sugar content of the medium, nitrogen and mineral levels, initial temperature, PH, moisture, agitation of the medium, and

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10

Giongo, Camila Nascimento. "Fermentação semissólida de okara com Saccharomyces cerevisiae r. f. bayanus visando a biotransformação de isoflavonas e melhoria da qualidade nutricional." Universidade Tecnológica Federal do Paraná, 2013. http://repositorio.utfpr.edu.br/jspui/handle/1/704.

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CAPES<br>O okara é uma biomassa gerada no processamento do extrato hidrossolúvel de soja e do tofu. Tal biomassa tem elevada qualidade nutricional em função do conteúdo de proteínas, fibras e compostos bioativos como as isoflavonas. É gerado em grandes quantidades pela indústria processadora de soja como um subproduto e embora se trate de um material de baixo valor comercial possui em sua composição moléculas com potencial nutricional e funcional. As isoflavonas estão presentes na soja principalmente nas formas conjugadas (β-glicosídicas, acetil e malonil) e, em menor proporção, nas formas liv

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11

TURRINI, FEDERICA. "Foods and agro-food wastes valorization by eco-compatible innovative techniques and formulation of new enriched and/or functional products." Doctoral thesis, Università degli studi di Genova, 2018. http://hdl.handle.net/11567/929592.

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Durante il mio dottorato di ricerca ho lavorato su diversi progetti sotto la supervisione della Prof.ssa Paola Zunin e della Prof.ssa Raffaella Boggia. Il principale obiettivo del mio lavoro è stata la valorizzazione di alcuni alimenti e scarti agro-alimentari nell’ottica della formulazione di nuovi prodotti arricchiti e o funzionali, sia in ambito alimentare che cosmetico. In particolare, le linee di ricerca che ho seguito hanno avuto come oggetto diverse matrici alimentari, tra cui: • Le olive come substrato per la realizzazione di un alimento arricchito; • Il melograno ed in partic

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12

Fidalgo, Ana Rita Fernandes Ribeiro Moita. "Microbial contribution to biofuels production." Doctoral thesis, Faculdade de Ciências e Tecnologia, 2014. http://hdl.handle.net/10362/13113.

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Dissertação para obtenção do Grau de Doutor em Engenharia Química e Bioquímica<br>Biomass can be converted into biofuels by two different ways: thermochemical or biochemical. Both processes produce waste streams that can be valorised in order to increase the sustainability of the biofuels production process. Recent research on polyhydroxyalkanoates(PHA) production has focused on developing cost-effective processes using low cost substrates combined with mixed microbial cultures (MMC). The intent of this thesis was to study and characterise MMC able to produce PHA using the by-products resu

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13

Brosowski, André [Verfasser]. "DBFZ Report Nr. 41: National Resource Monitoring for Biogenic Residues, By-products and Wastes : Development of a Systematic Data Collection, Management and Assessment for Germany / André Brosowski ; Universität Leipzig." Leipzig : Deutsches Biomasseforschungszentrum gemeinnützige GmbH, 2021. http://d-nb.info/1238655467/34.

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14

Dauphin, Laurie. "Enhancing value of lobster waste by enzymatic methods." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60541.

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In processing lobster, approximately 70% of the body weight is discarded as waste. The solid waste consists of shell, viscera and a small amount of meat. Lobster waste is an excellent source of protein (26.6%) crude fat (2.7%) and pigment (98 $ mu$g/g) on a dry weight basis which could be processed into a stable complex known as carotenoprotein.<br>Procedures for extraction of carotenoprotein from lobster waste have been developed, along with investigation of its distinctive physicochemical properties. The main factors were: demineralization agents (EDTA, HCl or heat) and precipitation agents

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15

Tu, Ya. "Recovery, drying and characterization of carotenoproteins from industrial lobster waste." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59936.

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Lobster waste (including the head and hard carapace, viscera, mandibles and gills) contains approximately 98 $ mu$g/g total astaxanthin, 23% protein, 20% chitin, 34% ash, and 2.2% crude fat on dry weight basis. Carotenoprotein, amounting to 16% of the dry matter was effectively recovered from lobster waste by a trypsin aided process. Air-dried carotenoproteins were enriched in protein by about 108-115%, in crude fat by 540-594% and in carotenoid pigment by about 147-329% as compared with the waste material. Furthermore, the ash and chitin levels in the products were considerably lower than tho

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16

Gagné, Nellie. "Production of chitin and chitosan from crustacean waste and their use as a food processing aid." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=26458.

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Chitin is a polysaccharide found in abundance in the shell of crustaceans. In this study, chitin was first extracted from shrimp waste material previously demineralized, using proteolytic enzymes, i.e., chymotrypsin and papain. The conditions used for the deproteinization were optimized with respect to 3 factors, viz., pH, temperature, and enzyme to waste (E/W) ratio, using response surface methodology (RSM).<br>In a second part of the study, chitosan was prepared from chitin by partial deacetylation and its capacity to preserve whole and headless fresh shrimps was evaluated. The shrimps (Pand

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17

Roberts, H. A. "Problems and solutions of waste handling practices at red meat abattoirs in the Free State province, South Africa." Interim : Interdisciplinary Journal: Vol 9, Issue 1: Central University of Technology Free State Bloemfontein, 2010. http://hdl.handle.net/11462/345.

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Published Article<br>The waste management practices used at red-meat abattoirs in the Free State province for disposal of condemned products generated in abattoirs and the problems associated with the different waste disposal methods were investigated. Problems caused by various products generated at abattoirs. such as abattoir waste water, blood, stomach contents, manure, whole carcasses, fetuses and all products unsuitable for human consumption requiring disposal were identified. Recommended solutions took into account the most effective handling manner, causing minimum environmental polluti

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18

Bolaji, Efeoluwa Omotola. "Anaerobic fermentation of organic wastes for chemical production by undefined mixed microbial cultures." Thesis, University of Aberdeen, 2018. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=236961.

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19

Ayangbile, Gbemiga A. "Utilization of crab processing waste and chitin associated with the waste as feed for ruminants." Diss., Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/54763.

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Four experiments were conducted with crab processing waste. Addition of 1.5% propionic/formic acid prevented degradation up to 14 d. Desirable fermentation was achieved when 32% of the treated crab waste was ensiled with 32% straw, 16% molasses, and 20% water with or without .1% microbial inoculant. The pH of the silage was lowered and high concentration of lactic acid was observed. Use of .2% NaOCl or .4% H₂O₂ retarded spoilage of crab processing waste up to 7 d. Ensiling of the treated waste (32%), straw (32%), molasses (16%), and H₂0 (20%) indicated that the chemical used in preservation en

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20

Cantrell, James Grady. "Sulfur gas release during black liquor burning." Thesis, Georgia Institute of Technology, 1986. http://hdl.handle.net/1853/11155.

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21

Thompson, Bethan. "Date labelling and the waste of dairy products by consumers." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/33150.

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The objective of this thesis is to advance our understanding of how consumers use date labels and the implications of date-label use for household dairy product waste. It does this by investigating the effect of psychological, social, and contextual factors on date-label use and willingness to consume dairy products in relation to the expiry date. These effects are tested using structural equation models and survey data gathered from 548 Scottish consumers. The results of this study make two contributions to the literature on date-labelling and food waste. The first contribution is primarily t

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22

Tackie, Richard. "Economics of bio-ingredients production from shrimp processing waste in Newfoundland." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=79139.

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This thesis examined the economics of producing high value bio-ingredients such as chitin and carotenoprotein from shrimp processing waste in Newfoundland. The shrimp waste in the province was estimated to be at least 37000 tons annually. A survey of shrimp processing plants in the province revealed that the waste generated was relatively pure with little or no foreign material. The economic engineering approach was employed to estimate the production cost of chitin and carotenoprotein at the laboratory and pilot scale levels. At the laboratory scale where 480 kg/year of raw material (s

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23

Van, den Berg Jacobus A. "The utilisation of the ash disposal system as a salt sink : enhancement and optimisation of chemical interactions." Thesis, Stellenbosch : University of Stellenbosch, 2004. http://hdl.handle.net/10019.1/16450.

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Thesis (MScIng)--University of Stellenbosch, 2004.<br>ENGLISH ABSTRACT: The fine ash produced at the Sasol Secunda Petrochemical Plant is disposed of through a wet ash disposal system. Other process waste streams with high salt concentrations are co-disposed of in the Sasol Secunda ash disposal system. This has led to a steady rise in the salt concentrations of the recycled clear ash effluent (CAE) over the past 17 years. To combat this increase in salt concentrations, the capability of the Sasol Secunda ash disposal system to act as a salt sink, needs to be enhanced. This investigation

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Sathikge, Ndavheleseni David. "Process for the preparation of cis- AND trans-3,7-Dimethyl 2,6-Octadiene-1-OL from crude sulphated turpentine stream." Thesis, Nelson Mandela Metropolitan University, 2008. http://hdl.handle.net/10948/734.

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As part of CSIR Biosciences’ interest in aroma chemicals, the processing of crude sulphated turpentine (CST) into high value aroma products was investigated. The primary target product, linalool, was obtained from a mixture of α- and β-pinene in four steps. It can be transformed into a wide range of high value added aroma chemicals. Isomerisation of linalool in the presence of a transition metal catalyst furnishes geraniol and nerol. The scientific work described in this report was part of a bigger project aimed at developing innovative processes to manufacture aroma, flavour & fragrance chemi

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Marçal, Catarina Fernandes Bernardo. "Gestão integrada de resíduos do sector vinícola e análise do ciclo de vida do produto. Fundação Eugénio de Almeida, Herdade dos Pinheiros." Master's thesis, ISA/UL, 2014. http://hdl.handle.net/10400.5/8296.

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Mestrado em Engenharia do Ambiente - Instituto Superior de Agronomia<br>The wine sector annually produces about seven million tons of residues and by-products such as grape marc, lees, seeds and the stalk. If these materials are mismanaged they can have a strong environmental impact. Moreover, some of these materials may have great potential through their physical and chemical characteristics, which may be used for others purposes. A strategy plan was presented, containing management alternatives, for each residue produced during one year campaign of wine production. To reach these goals we pe

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Yiu, Wing-chun, and 姚榮春. "Waste management in Hong Kong abattoirs." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1997. http://hub.hku.hk/bib/B3125391X.

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Ekblom, Sanna. "Treatment of Historic, Sulphide-rich Mine Waste from Ljusnarsberg Using Alkaline By-products." Thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-51834.

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Alkaline by-products were used in a leaching test to study their effect on highly weathered, sulphide-rich mine waste from Ljusnarsberg for the attempt to neutralize the leachate and immobilize trace metals through precipitation of secondary minerals. Leaching was performed at liquid/solid ratio of 0.5-20 with 10 % alkaline material. It was found that immobilization of trace elements (Cd, Pb, Zn and Cu) were successful in systems able to neutralize the mine waste. The systems with a lower pH increase (4-5) leached an increased amount of both Zn and Cd compared to the reference. Fly ashes are f

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Alriksson, Björn. "Ethanol from lignocellulose : management of by-products of hydrolysis /." Karlstad : Faculty of Technology and Science, Chemistry, Karlstads universitet, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-3314.

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Tesini, Federica <1988&gt. "Valorization of Food, Food Waste and By-Products by Means of Sensory Evaluation and Volatile Compounds Analysis." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amsdottorato.unibo.it/7800/1/Federica%20tesini_thesis.pdf.

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The detection of the aromatic profile of a food is relevant for the comprehension and the definition of the volatile fraction of product. Additionally, the identification of the molecules responsible for the sensory, specifically olfactory (direct and indirect), food perception is relevant to define its acceptability and, in some cases (e.g. olive oil), its quality. Combining data obtained from sensory evaluation and volatile compounds analysis is relevant for the definition of a product fingerprint, useful to describe the product itself but also to highlight its strengths and to emphasize man

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Carreon, Delfin G. "Stabilization of marginal soils using recycled materials." [Tampa, Fla] : University of South Florida, 2006. http://purl.fcla.edu/usf/dc/et/SFE0001700.

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Awe, Yewande Aramide. "An investigation of the use of two industrial waste by-products in contaminant barrier systems." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321928.

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Cosovanu, Diana Gabriela. "Towards waste valorization: Recovery of valuable compounds from animal by-products and opportunities of application." Doctoral thesis, Universitat de Lleida, 2021. http://hdl.handle.net/10803/673623.

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La indústria càrnia genera enormes quantitats de deixalles, que s'han de tractar i gestionar adequadament per evitar problemes ambientals i de salut. El reciclatge de residus i subproductes animals en productes de valor afegit podria ajudar a revertir aquest problema. Per tant, diversos enfocaments han estat adaptats per la ciència i la tecnologia, acoblant-los amb els coneixements del mercat, la legislació i els consumidors per a la valorització amb èxit d'aquests residus en el marc de l'Economia Circular. Aquesta Tesi Doctoral s'enfoca en un residu subestimat i sense explotar produït durant

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Roelf, Craig Ashley. "Categorisation and chemical composition of Cape hake (Merluccius ssp.) waste." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/53730.

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Thesis (MScAgric)--University of Stellenbosch, 2004.<br>ENGLISH ABSTRACT: Cape hake (Merluccius capensis and M. paradoxus) is commercially the most important trawl-caught fish off the South African, coastline and due to current intensive fish processing procedures Cape hake contributes the most to the total fishwaste production. Besides its commercial importance fish is also regarded as one of the single most important consumable natural resources, either in the raw or frozen form. Most of South Africa's commercially trawled demersal fish has already been partially cleaned (i.e. headed

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Yeboah, Nii Narh Nortey. "Characterization and productive reuse of high carbon content coal and biomass energy combustion residuals." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/51858.

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In recent decades, advances in low NOₓ coal combustion and increasingly strict CO₂ reduction mandates have changed power plant boiler operations quite significantly. As a result of these necessary efforts, the characteristics of fly ash generated at many power plants have also changed. In particular, increases in unburned carbon content have been observed with detrimental implications on the utility of these fly ashes in concrete applications. Over the same time period, the combustion of biomass for energy generation has received increased attention due to the potential benefits of reducing C

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Fu, Jilagamazhi. "Metabolic diversity and synthesis of medium chain length polyhydroxyalkanoates by Pseudomonas putida LS46 cultured with biodiesel-derived by-products." Canadian Journal of Microbiology, 2014. http://hdl.handle.net/1993/31010.

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The metabolism and physiology of Pseudomonas putida strain LS46 was investigated using biodiesel-derived waste streams as potential low cost substrates for production of medium chain length polyhydroxyalkanoates (mcl-PHA). Proteomic and trranscriptomic analyses were used to correlate specific gene and gene product expression patterns with differences in phenotypes of mcl-PHA biosynthesis by P. putida LS46. Growth and mcl-PHA content of P. putida LS46 were similar in cultures containing biodiesel-derived waste glycerol versus pure glycerol, and mcl-PHA synthesis occurred during stationary phase

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Mtimkulu, Yandiswa. "Monitoring extracellular enzyme activities and microbial population numbers during composting of winery solid waste." Thesis, Cape Peninsula University of Technology, 2016. http://hdl.handle.net/20.500.11838/2344.

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Thesis (MTech (Horticulture))--Cape Peninsula University of Technology, 2016.<br>Waste management in winery and distillery industries faces numerous disposal challenges as large volumes of both liquid and solid waste by-products are generated yearly during cellar practices. Composting has been suggested a feasible option to beneficiate solid organic waste. This incentivized the quest for efficient composting protocols to be put in place. The objective of this study was to experiment with different composting strategies for spent winery solid waste. Compost materials consisting of chopped pruni

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Ghimire, Anish. "Dark fermentative biohydrogen production from organic waste and application of by-products in a biorefinery concept." Thesis, Paris Est, 2015. http://www.theses.fr/2015PESC1197/document.

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La fermentation sombre est un procédé utilisant des déchets organiques dont le passage à l'échelle pilote est limité par les rendements de production d'hydrogène trop faibles ainsi que par l'utilisation des sous-produits. Cette étude a pour premier objectif d'étudier l'effet du pH, de la combinaison du pH et de la concentration en substrat, du prétraitement du substrat et de l'adaptation de l'inoculum sur la fermentation sombre de trois types de déchet différents. Il a notamment été montré que la biodégradabilité des substrats joue un rôle majeur dans le choix des paramètres opérationnels util

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Batmunkh, Narantuya. "Engineering characteristics of construction waste for Western Australian road and highway materials." Thesis, Curtin University, 2011. http://hdl.handle.net/20.500.11937/1839.

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This study examines the use of concrete waste by-products as a new source of road construction material in Western Australia (WA). The amount of construction waste in Western Australia increases annually, whilst natural rock aggregate is in shortage.This research focuses on whether recycled concrete, derived from various sources such as by-products from the processes of manufacturing ready-mixed concrete and waste from construction and demolition (C&D), is a viable option for use as a base and sub-base course material in road building in WA.A series of laboratory tests were conducted to determ

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O'Kennedy, Onicha Deborah. "Application of biogranules in the anaerobic treatment of distillery effluents." Thesis, Stellenbosch : Stellenbosch University, 2000. http://hdl.handle.net/10019.1/51617.

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Thesis (MSc Food Sc)--Stellenbosch University, 2000.<br>ENGLISH ABSTRACT: The distillery industry produces large volumes of waste water with a high organic content throughout the year. These effluents must be treated in some manner before being discharged or recycled in the factory. Several treatment options are in use presently, but they all have disadvantages of some nature, such as long retention times, bad odours or the need for large areas of land. Considerable interest has been shown in the application of anaerobic digestion, especially the UASB design (upflow anaerobic sludge blan

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Njoya, Mahomet. "Reactor reconfiguration for enhanced performance of a down-flow expanded granular bed reactor (Degbr) for poultry slaughterhouse treatment." Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2599.

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Thesis (MTech (Chemical Engineering))--Cape Peninsula University of Technology, 2017.<br>The poultry industry is one of the largest industries in the South African agricultural sector. To sustain their various operations, this industry utilises a large quantity of potable water to process slaughtered birds in order to satisfy hygiene and sanitation requirements in processing facilities. Thus, the consumption of potable water during poultry slaughterhouse operations results in the production of high-strength poultry slaughterhouse wastewater (PSW), which is laden with a variety of pollutants, i

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Godrej, Adil N. "The sorptive behavior of organic compounds on retorted oil shale." Diss., Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/54363.

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Oil shale is a valuable natural resource of oil. The United States has only 5% of the known world reserves of recoverable crude oil and about 73% of the known world reserves of recoverable oil shale. Before there can be full-scale commercial development of oil shale, the problems associated with the large amounts of wastes generated by the processing of the shale must be solved. The wastes have a complex chemical matrix. It is felt that the spent shale can be used as a sorbent to either treat or pretreat the contaminated process waters or could be codisposed with the process waters, Quit

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Maldonado, Alameda Alex. "Alkali-activated binders based on municipal solid waste incineration bottom ash." Doctoral thesis, Universitat de Barcelona, 2021. http://hdl.handle.net/10803/672107.

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Municipal solid waste incineration (MSWI) is the most widely used solution in those countries where landfilling areas are limited. Incineration allows reducing the total volume of waste (up to 90%) and generating energy resulting from combustion. The main by-product generated in waste-to-energy plants is known as incineration bottom ash (IBA), which is a heterogeneous mixture of ferrous and non-ferrous metals, ceramics, and glass. IBA is classified as a non- hazardous material due to its composition rich in calcium oxide, silica, and iron. IBA composition and morphology are very similar to nat

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Abazinge, Michael D. A. "Studies of methods of preserving and enhancing fermentation, nutritional value and palatability of seafood waste for feeding ruminants." Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/49972.

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Moral, Eva. "Flavor and pigment extraction from blue crab (Callinectes sapidus) processing by-products." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-06302009-040219/.

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Dlangamandla, Cynthia. "Bioflocculant dissolved air flotation system for the reduction of suspended solids-lipids-Proteinaceous matter from poultry slaughterhouse wastewater." Thesis, Cape Peninsula University of Technology, 2016. http://hdl.handle.net/20.500.11838/2485.

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Thesis (MTech (Chemical Engineering))--Cape Peninsula University of Technology, 2016.<br>Poultry slaughterhouse wastewater (PSW) contains organic matter that can be degraded by microorganisms. Such matter can further be used by the microbial community as a nutrient source for growth. Moreover, this type of wastewater also contains a high quantity of particulate matter, lipids and proteins, including antimicrobial compounds such as triclosan (TCS) and trichlorocarbanilide (TCC) used during cleaning and sanitising of processing facilities. Lipids and particulate matter lead to clogging of pipes

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Kim, Sungsoo. "Some Physical Characteristics and Heavy Metal Analyses of Cotton Gin Waste for Potential use as an Alternative Fuel." Thesis, University of North Texas, 1996. https://digital.library.unt.edu/ark:/67531/metadc332665/.

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This study examines the waste of cotton gins as a potential alternative energy source, on account of its heat content, availability, and low emission rates. To confirm that this potential energy source meets minimum industrial fuel standards, this research has carried out an investigation of some important physical characteristics and toxic element analysis of cotton gin waste. Using cotton gin waste as fuel is an attractive solution to the problems of disposing of a surplus agricultural waste as well as supplementing fuel must meet both environmental emission standards and industrial fuel st

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Russell, Elizabeth F. (Elizabeth Fiona). "Influence of ammonium lignosulfonate fertilizer mixtures on corn (Zea mays L.) growth and nutrient composition." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61168.

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Fertilizer P fixation and fertilizer N losses in soils may be reduced through additions of polyphenolic compounds. The influence of ammonium lignosulfonate (NH$ sb4 sp+$-LS) on triple superphosphate (TSP) efficiency was investigated in a soil incubation study using three Quebec soils and in a growth bench study using one soil. For the incubation study, soils were analyzed for pH and P extractability, as a function of NH$ sb4 sp+$-LS rate and time. In the growth bench study, TSP and NH$ sb4 sp+$-LS were applied at varying rates and corn (Zea mays L.) dry matter yields and nutrient compositions

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Zagni, Gioia. "Upcycling food industry by-products. Bringing the circular economy to the attention of decision makers." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/24405/.

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Food wastage represents a massive issue in today's society. It impacts the environment (e.g., climate change, resources depletion, biodiversity loss), society (e.g. food security), and the global economy. All the stakeholders could change systemically to transition towards the circular economy. Corporates must involve leadership, employees, suppliers, and consumers to build a more efficient and resilient system where waste and by-products generation is limited. The unavoidable waste could be valorized to new raw materials to reduce the environmental impact of their disposal. This thesis focuse

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Monteiro, Miguel José Marques. "Caracterização dos resíduos e subprodutos de origem animal da atividade de venda de produtos da pesca e respetivos sistemas de gestão nos mercados municipais de Lisboa." Master's thesis, Universidade de Lisboa. Faculdade de Medicina Veterinária, 2015. http://hdl.handle.net/10400.5/7856.

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Mestrado Integrado em Medicina Veterinária<br>Nas últimas décadas, o impacto ambiental dos resíduos tem sido um tema de crescente importância a nível mundial. A produção de grandes quantidades de resíduos levou à criação de programas internacionais de gestão de resíduos, com o objetivo de minimizar a eliminação destes. Além disso, têm sido vários os casos de surtos de doenças ligadas à cadeia alimentar, o que tem levado a uma crescente preocupação no que diz respeito aos subprodutos de origem animal e a sua correta gestão. Este trabalho tem como objetivo caracterizar qualitativa e quanti

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Schrier, Loren Clare. "Identification of by-products and investigation into the dechlorination mechanism of the Chemchar cocurrent flow gasification process by gas chromatography-mass selective detection /." free to MU campus, to others for purchase, 1998. http://wwwlib.umi.com/cr/mo/fullcit?p9904867.

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Thesis (Ph. D.)--University of Missouri-Columbia, 1998.<br>Trademark symbol follows Chemchar in title. Typescript. Vita. Includes bibliographical references (leaf 130). Also available on the Internet.

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