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Dissertations / Theses on the topic 'Tannery waste'

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Published: 4 June 2021

Last updated: 26 July 2025

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1

Onyuka, Arthur. "Sustainable management of tannery hair waste through composting." Thesis, University of Northampton, 2010. http://nectar.northampton.ac.uk/3592/.

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Bovine hair, resulting from the unhairing of hides and skins, forms a major component of tannery solid wastes that is often disposed to landfill. However, following increasing environmental legislation restricting the disposal of commercial and industrial organic wastes to landfill, alternative treatment of tannery solid hair waste is necessary. The overall aim of this research was to develop conditions favourable for the decomposition of bovine hair waste in a composting environment. In this study, chemical pretreatments of bovine hair were carried out to enhance susceptibility to enzymatic d

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2

Mkhonta, Mpendulo Colin. "The development of a marketing strategy for a tannery waste by-product." Thesis, Nelson Mandela Metropolitan University, 2010. http://hdl.handle.net/10948/1515.

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Worldwide chromium waste from tanneries is a major environmental concern. A considerable amount of effort is being implemented by tanneries to resolve the environmental concerns. Because of the wide range of chemicals used in tanning, waste treatment is an important issue in the industry. All the tanneries put considerable money and effort into treating their effluent. South African tanneries currently have various methods of disposing of their chrome waste. Most have systems for recycling the waste and disposing of it in municipal waste dumps or it is dumped on the company's own land. Hence t

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3

Glaum, Deanne Melanie. "A process for the detanning of chrome leather wastes utilising tannery effluents." Thesis, Rhodes University, 1994. http://hdl.handle.net/10962/d1004089.

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The considerable volume of chromium-bearing wastes generated during the process of leather tanning, exacerbated by the potential for trivalent chromium in the wastes to be oxidised to the toxic hexavalent state, has created a major waste disposal dilemma for the tanning industry. While methods are available for the safe and effective treatment of residual chrome-tanning liquors, little has been done to address the issue of the chrome-bearing solid wastes. Given the increasingly stringent environmental compliance standards facing tanneries, unless an appropriate treatment process is developed i

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4

Laubscher, Richard Keith. "The culture of Dunaliella salina and the production of β-carotene in tannery effluents". Thesis, Rhodes University, 1992. http://hdl.handle.net/10962/d1004116.

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The problems of waste disposal in the tanning industry are unique in that the effluents are highly saline, have a high organic loading and contain heavy metals. Methods are available for the safe treatment and disposal of the latter two components, but the saline component requires the expensive outlay of evaporation ponds. This study has identified a possible use for the saline effluents, turning a problematic waste product into a potentially valuable by-product. A range of tannery effluents were identified and tested for their suitability for the mass cultivation of Dunaliella salina (bardaw

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5

Kamaludeen, Sara Parwin Banu. "Biotic-abiotic transformations of chromium in long-term tannery waste contaminated soils : implications to remediation." Title page, table of contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phk15.pdf.

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Bibliography: leaves 166-180. Determines the effect of chromium on the soil microbial community and its activity, the biotic-abiotic mechanisms involved in chromium oxidation, and phytostabilization of chromium using plants and organic amendment in tannery-waste contaminated soil.

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6

Dunn, Kevin Matthew. "The biotechnology of high rate algal ponding systems in the treatment of saline tannery wastewaters." Thesis, Rhodes University, 1998. http://hdl.handle.net/10962/d1004066.

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Salinisation has been identified as a major cause of the progressive deterioration in the public water system in South Africa. To deal with this problem Waste Stabilisation Ponding systems have been used by the Leather Processing Industry as zero-dischaJ;ge wastewater evaporation disposal processes in water-limited inland regions of the country. While effective in the evaporation disposal function these systems are plagued by the generation of serious odour nuisance creating intractable environmental problems relating to adjacent residential communities. High loading to ponds of organic compou

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7

Murney, Grant. "The reaction of ozone with sodium sulphide and its application to the treatment of tannery waste waters." Thesis, University of the West of Scotland, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336898.

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Leather production results in large volumes of waste water containing high levels of sodium sulphide, which has to be treated before disposal. The use of ozone to facilitate this oxidation was considered by first studying ozone-sodium sulphide reaction. The sodium sulphide solutions were found to be adequate models for the tannery effluent. The reaction order was found to be second order overall (first order in both sulphide and ozone). The true reaction order was found to be 0.33 for sulphide in the initial stages of the reaction. The use of ozone in conjunction with either UV radiation or a

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8

Ru-Hui, Luo, Wu Wei-Xiao, Cehn De-Yan, and Luo Jian-Xun. "Resource utilization - 152: Preparation and Application of a sulfited Fat-liquor based on Waste beef tallow from Tannery." Verein für Gerberei-Chemie und -Technik e. V, 2019. https://slub.qucosa.de/id/qucosa%3A34257.

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Content: Leather industry is one of many traditional, characteristic and ascendant industries. During the development of Leather industry, the problem of a certain the waste of resources and environmental pollution has been yielded. The waste tallow is one of the problems should be solved quickly. Based on the problem of the waste of resources and environmental pollution form the waste tallow during the leather industry, act waste beef tallow from tannery as raw material, detection of its physical and chemical properties, de-colorization, deodorization, amidation, esterification and sulfitatio

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9

Agustini, Caroline B., Costa M. Da, M. Gutterres, and A. C. C. Pena. "Monitoring of biogas production from tannery solid wastes at-line in a laboratory-scale anaerobic digester - 163." Verein für Gerberei-Chemie und -Technik e. V, 2019. https://slub.qucosa.de/id/qucosa%3A34307.

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Content: The understanding of how chemical, physical and environmental parameters work during anaerobic digestion production and waste treatment is an important step in improving the efficiency and process stability. This study provides the evolution of the biogas production and the efficiency of the treatment of the anaerobic digestion of solid wastes of tanneries at-line monitored in batch laboratory-scale bioreactors. Leather shavings and sludge from wastewater treatment plants substrates were considered in the study. The findings suggest that AD of the tannery solid waste can be separated

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10

Jackson-Moss, Clive Alan. "An investigation into the use of anaerobic digestion for the treatment of tannery wastewaters." Thesis, Rhodes University, 1991. http://hdl.handle.net/10962/d1004120.

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The anaerobic digestion of tannery wastewaters was investigated with a view to using this form of treatment in the tanning industry. As these wastewaters are extremely complex and contain high concentrations of both inorganic and organic compounds, the effect of these individual compounds on the anaerobic digestion process was investigated in detail, in order to ascertain the fate of these compounds during the digestion process. The experiments comprising the initial toxicity study were carried out as adaptation experiments using a synthetic wastewater. It was found that the heavy metals such

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11

Cardoso, Bruna Nayara Pereira. "Efeito da contaminação de cromo em macroinvertebrados aquáticos no córrego Monte Alegre: estrutura da comunidade e teste de toxicidade." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/18/18138/tde-20062018-101942/.

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O cromo é utilizado em diferentes setores industriais, inclusive aplicado em curtumes como curtente de couros, cujo processamento gera resíduos sólidos e líquidos contendo concentrações deste metal, que se lançados no meio aquático sem o devido tratamento, pode atingir os sedimentos e afetar a biota aquática. É nesse contexto que em 2001, cerca de 150 toneladas de aparas de couro foram lançadas no solo e a partir do runoff, lixiviadas para o córrego Monte Alegre, localizado no município de Araraquara (SP), contaminando o sedimento e ocasionando alterações na comunidade de macroinvertebrados aq

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12

Oliveira, Caio Vinícius Mazaro de. "Um diagnóstico do elo curtume da cadeia do couro do Oeste Paulista baseado na Lean Supply Chain Management (LSCM)." Universidade Estadual Paulista (UNESP), 2018. http://hdl.handle.net/11449/153901.

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Submitted by Caio Vinícius Mazaro de Oliveira (caio.mazaro4@gmail.com) on 2018-05-07T17:14:58Z No. of bitstreams: 1 CaioOliveira_PGAD_TUPA_fevereito2018.pdf.pdf: 2238562 bytes, checksum: 4ea0ca28386966e61e61aa15bfae4927 (MD5)<br>Approved for entry into archive by Eliana Katia Pupim (katiapupim@tupa.unesp.br) on 2018-05-08T14:29:44Z (GMT) No. of bitstreams: 1 oliveira_cvm_me_tupa.pdf: 2238562 bytes, checksum: 4ea0ca28386966e61e61aa15bfae4927 (MD5)<br>Made available in DSpace on 2018-05-08T14:29:44Z (GMT). No. of bitstreams: 1 oliveira_cvm_me_tupa.pdf: 2238562 bytes, checksum: 4ea0ca28386966

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13

Martínez, de Luna Mercedes Catalina. "Extraction, characterisation and application of gelatin from chrome-tanned leather waste." Thesis, University of Northampton, 2007. http://nectar.northampton.ac.uk/2677/.

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The most significant problem of the tanning industry is waste generation. The presence of chromium in leather waste represents a potential hazard due to the possibility of Cr(III) being converted to its toxic state, Cr(VI). The treatment of chrome-tanned leather waste described in this research occurs in three phases: dechroming; isolation of gelatin, and application of the gelatin produced in the finishing of leather. Chrome-tanned shavings were dechromed and subsequently used for the production of gelatin. Gelatin was isolated from dechromed shavings in a one-step process, through thermal an

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14

Fujikawa, Emilio Shizuo [UNESP]. "Incorporação do resíduo serragem cromada em materiais de construção civil." Universidade Estadual Paulista (UNESP), 2002. http://hdl.handle.net/11449/90816.

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Made available in DSpace on 2014-06-11T19:24:47Z (GMT). No. of bitstreams: 0 Previous issue date: 2002-12-16Bitstream added on 2014-06-13T20:13:04Z : No. of bitstreams: 1 fujikawa_es_me_bauru.pdf: 1484999 bytes, checksum: 31162ce2d13e3ce701a178ab751b5312 (MD5)<br>A serragem cromada é um tipo de resíduo sólido gerado em grandes quantidades nas indústrias de processamento de couro e nos curtumes do Brasil. Do ponto de vista ambiental é um resíduo considerado muito problemático, pois o mesmo se enquadra segundo a legislação brasileira na classe dos resíduos perigosos, devido à presença de conce

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15

Fujikawa, Emilio Shizuo. "Incorporação do resíduo "serragem cromada" em materiais de construção civil /." Bauru : [s.n.], 2002. http://hdl.handle.net/11449/90816.

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Orientador: Jorge Akutsu<br>Banca: Jorge Hamada<br>Banca: Bernardo Arantes do Nascimento Teixeira<br>Resumo: A "serragem cromada" é um tipo de resíduo sólido gerado em grandes quantidades nas indústrias de processamento de couro e nos curtumes do Brasil. Do ponto de vista ambiental é um resíduo considerado muito problemático, pois o mesmo se enquadra segundo a legislação brasileira na classe dos resíduos perigosos, devido à presença de concentrações lixiviáveis relativamente altas do elemento cromo trivalente utilizado no processo de curtimento. O destino da "serragem cromada" vinha tendo de m

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16

Peralta, Marvin Marco Chambi. "Uso de um lodo de cromo proveniente da indústria de curtume na fabricação de vidros sodo-cálcicos." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/3/3133/tde-24042015-153102/.

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A indústria de produção de couro gera uma grande quantidade de resíduos com características poluentes e de elevada periculosidade, entre os quais se destacam os resíduos curtidos (aparas, serragem e pó de couro curtido) e os lodos provenientes das estações de tratamento de efluentes (lodos de cromo, lodos primários e lodos secundários). Estes resíduos possuem uma considerável quantidade de compostos de Cr(III) na sua composição, os quais, sob condições oxidantes, podem transformar-se em Cr(VI), que é altamente tóxico para animais, plantas e seres humanos. No entanto, estes resíduos constituem

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17

Nunes, Ramom Rachide. "Vermicompostagem como tecnologia aplicada à valorização e reaproveitamento dos resíduos de curtume: um estudo químico e agronômico com vistas à produção orgânica de pimentão em ambiente protegido." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/75/75135/tde-04042017-085528/.

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A atividade industrial para produção de couro gera elevada quantidade de resíduos potencialmente poluidores, geralmente ricos em cromo, um elemento tóxico com riscos ao meio ambiente e à saúde humana. Em geral, os resíduos produzidos no beneficiamento e produção do couro -- curtume de acabamento -- compreendem principalmente uma mistura de raspas e aparas curtidas de couro wet-blue e, também, o lodo das estações de tratamento de efluentes. Uma solução para a problemática ambiental que envolve esses resíduos seria transformá-los em compostos orgânicos nobres, na qual a vermicompostagem foi suge

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18

Rodrigues, Rodolfo. "Modelagem e simulação de um gaseificador em leito fixo para o tratamento térmico de resíduos sólidos da indústria calçadista." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2008. http://hdl.handle.net/10183/15948.

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A indústria calçadista gera uma significativa quantidade de resíduos, sendo uma alternativa para destino destes o tratamento térmico, que reduz o volume e estabiliza componentes perigosos. Por conseguinte, isto vai ao encontro dos novos desafios na busca de fontes de energias alternativas pelo fato da combustão destes resíduos ser bastante convidativa em função do seu alto poder calorífico. Este estudo está focado na análise de uma planta piloto para o processamento de resíduos sólidos da indústria calçadista (biomassa) e posterior aproveitamento térmico na geração de energia elétrica. A plant

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19

Hooghiemstra, Carol. "Delisting of hazardous waste produced in a tannery." Thesis, 2009. http://hdl.handle.net/10210/2003.

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M.Sc.<br>Waste generation and waste disposal forms part of our everyday lives, even more so for a tanning facility. This mini dissertation discusses the delisting of waste generated at a tanning facility. This facility produces crust leather from partially tanned hides received from other tanneries in the Mpumalanga province. Crust leather is the product in the penultimate process before it attains its desired leather like properties. The crust leather is sent to a finishing plant for the final process of painting before it is supplied to the automotive industry for upholstery purposes. Large

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20

Mullick, Urmi. "Simultaneous removal of chromium and sulphate from tannery waste using microbes." Thesis, 2012. http://ethesis.nitrkl.ac.in/3929/1/Urmi_Thesis.pdf.

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Leather industry contributes to one of the major industrial pollution problems our country is facing today. Microbes (bacteria/fungi) are the most important eco-friendly agents for the degradation and detoxification of industrial pollutants along with organic waste removal. Extensive research has been carried out to find suitable, resistant and efficient microbes to treat the tannery effluent. In the concerned study, we have tried to isolate the organisms from the tannary effluent acclimatized them to increasing Chromium and Sulphate rich environment which may later be utilized towards biorem

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21

Subramanian, Avudainayagam. "Long-term tannery waste contamination: effect on chromium chemistry / by Avudainayagam Subramanian." 2002. http://hdl.handle.net/2440/21824.

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Corrigenda inside front cover.<br>Includes bibliographical references (leaves 205-232)<br>xii, 232, [27] leaves : ill., plates ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Soil and Water, 2002

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22

Kamaludeen, Sara Parwin Banu. "Biotic-abiotic transformations of chromium in long-term tannery waste contaminated soils : implications to remediation / by Sara Parwin Banu Kamaludeen." Thesis, 2002. http://hdl.handle.net/2440/21767.

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Bibliography: leaves 166-180.<br>180, [4] leaves : ill. (chiefly col.) ; 30 cm.<br>Determines the effect of chromium on the soil microbial community and its activity, the biotic-abiotic mechanisms involved in chromium oxidation, and phytostabilization of chromium using plants and organic amendment in tannery-waste contaminated soil.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Soil and Water, 2002

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23

Sun, Jong-Wei, and 孫忠偉. "Treatment of pig-hide tannery wastes by electroflotation." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/33575394912841979373.

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碩士<br>國立成功大學<br>環境工程研究所<br>82<br>The electroflotation process utilizing four different kinds of anodes, including sacrificed iron and aluminum, inert graphite and lead dioxide-coated titanium (PbO2/Ti), as well as inert PbO2/Ti with an external source of coagulant, were respectively studied. In batch reactors, the electroflotation utilizing sacrificed anode of iron is most efficient for CODt removal among four anodes. And, when the specific applied electricity of 20 amp-min/l (i.e., current

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24

Hsu, Chih-Hsien, and 許智賢. "The Study on the Removal of Chromium in the Chrome Tanned Leather Waste by Acid Extraction Method." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/33163469175729315757.

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碩士<br>國立臺灣大學<br>環境工程學研究所<br>92<br>The major solid wastes generated of leather processing are including leather powders, leather sweeps, and leather shavings. The additive chromate in the leather process still remains in the leather waste. According to study results, one ton of wet salted hides yield only 200 kg of leather but over 600 kg of solid waste, along with about 250 kg of tanned solid waste. The total chromium of leather waste is higher than 15,000 mg/kg, and the TCLP value of Cr is higher than regulated limit of hazardous industrial waste. According to the EPA data in 2002, the amount

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