Alternative uses for tannery wastes : a review of environmental, sustainability, and science / Cesar Vinicius Toniciolli Rigueto in JOURNAL OF LEATHER SCIENCE AND ENGINEERING, Vol. 2 (Année 2020)  

[article]  inJOURNAL OF LEATHER SCIENCE AND ENGINEERING > Vol. 2 (Année 2020) . - 20 p. Titre : Alternative uses for tannery wastes : a review of environmental, sustainability, and science Type de document : texte imprimé Auteurs : Cesar Vinicius Toniciolli Rigueto, Auteur ; Marieli Rosseto, Auteur ; Daniela Dal Castel Krein, Auteur ; Bruna Elisangela Pessini Ostwald, Auteur ; Lillian Avila Massuda, Auteur ; Bárbara Belém Zanella, Auteur ; Aline Dettmer, Auteur Année de publication : 2020 Article en page(s) : 20 p. Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Adsorption Biocarburants Biogaz Biopolymères Carburants diésel Cuirs et peaux -- Industrie -- Aspect de l'environnement Déchets industriels -- Recyclage Tannage -- Déchets Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The manufacture of leather covers a wide productive chain and beyond contributes to the economic flow. The various stages of leather processing result in high volumes of solid waste. In Brazil, a daily generation of 375 tons of solid waste is estimated, and landfills are still the most used route to its destination. In this review, emphasis will be given to researches that have sought alternatives for the use of solid waste from the tannery industry. Among the main applications of solid tannery wastes, the following stand out production of adsorbent materials, biodiesel, biogas, biopolymers, applications in agriculture and other applications involving extraction/recovery of compounds of industrial/commercial interest, isolation of microorganisms and production of enzymes and applications in the animal diet. In each alternative of waste application, the technologies used, the opportunities, and the challenges faced are mentioned. We hope that this review can provide valuable information to promote the broad understanding of the possibilities that tannery solid wastes has for the development of biodegradable and agricultural products, wastewater treatment, extraction of compounds of industrial and commercial interest, among others. Note de contenu : - METHODOLOGY - MAIN APPLICATIONS STUDIED FOR TANNERY WASTES : Adsorption - Biodiesel - Biogas - Biopolymers - Agriculture - Other applications - Table 1 : Studies that used tannery wastes from various stages of leather processing as an adsorbent material - Table 2 : Main fatty acids present in the fat extracted from tannery wastes - Table 3 : Comparison of studies involving biodiesel from tannery waste, petro-diesel, and B100 - Table 4 : Biodiesel characteristics in different world regulations - Table 5 : Pretreatments to increase biogas production - Table 6 : Main parameter analyzed to obtain biogas DOI : https://doi.org/10.1186/s42825-020-00034-z En ligne : https://link.springer.com/content/pdf/10.1186/s42825-020-00034-z.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37454 [article]

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An integrated approach for the treatment of vegetable tannins wastewaters / Balaraman Madhan in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 89, N° 1 (01-02/2005)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 89, N° 1 (01-02/2005) . - p. 9-14 Titre : An integrated approach for the treatment of vegetable tannins wastewaters Type de document : texte imprimé Auteurs : Balaraman Madhan, Auteur ; Kalarical Janardhanan Sreeram, Auteur ; A. Sharli, Auteur ; Jonnalagadda Raghava Rao, Auteur Année de publication : 2005 Article en page(s) : p. 9-14 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Acacia et constituants Eaux usées -- Décontamination Eaux usées -- Epuration Potentiel zeta Précipitation (chimie) Sulfate de zinc Tanins végétaux Tannage -- Déchets Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : Intensive leather making techniques in an eco-sensitive world have increased the attraction of a tanning system based on natural products such as plant polyphenolics. However, there is also a distinct disadvantage in the usage of such materials because of the high organic loading of the effluent which is also difficult to degrade due to the high oxygen demand. We have examined the treatment of vegetable tannery effluents aiming at the reduction of the pollution load. Two methods have been evaluated, one based on precipitation of tannins as zinc-tannate and another with oxidative degradation after precipitation. In the precipitation method, 0.5% wattle solution at pH10 is precipitated as zinc-tannate giving a 73% reduction in COD. A further reduction of the chemical oxygen demand by 97% has been obtained with the two-stage approach of precipitation followed by oxidative degradation in the presence of an immobilized iron catalyst. This integrated approach provides a viable solution to the problem of vegetable tannins in wastewaters. Note de contenu : - EXPERIMENTAL PROCEDURES : Materials - Zeta potential measurements - Precipitation treatment - Two-step treatment - Treatment of industrial samples - RESULTS AND DISCUSSION : Treatment by precipitation method - Two-step treatment - Treatment of commercial vegetable tannin wastewater - Commercial scale treatment - Table 1 : Effect of pH on COD reduction of vegetable tannin solution - Table 2 : % Reduction of COD on precipitation of vegetable tannins with different amounts of zinc sulphate - Table 3 : COD of 0.5% wattle solution before and after treatment - Table 4 : COD of the commercial vegetable tannery wastewater before and after treatment En ligne : https://drive.google.com/file/d/1acFfI8-TAPuL5jjhh6K6TocBI1xyk5b6/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39608 [article]

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Anaerobic digestion of tannery sludge : lowering salinity to reduce sludge volume / J. P. Barnard in WORLD LEATHER, Vol. 18, N° 7 (11/2005)  

[article]  inWORLD LEATHER > Vol. 18, N° 7 (11/2005) . - p. 24-28 Titre : Anaerobic digestion of tannery sludge : lowering salinity to reduce sludge volume Type de document : texte imprimé Auteurs : J. P. Barnard, Auteur Année de publication : 2005 Article en page(s) : p. 24-28 Langues : Anglais (eng) Catégories : Boues résiduaires Déchets -- Réduction Digestion anaérobie Tannage -- Déchets Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : An investigation was performed to minimise the volume of tannery sludges by bio-degradation. To overcome the inhibiting effects caused by inorganic solubles used in leather manufacture, a nove! technique was employed to reduce the salts content of these sludges. The investigation proved a success, and achieved a significant reduction in the volume of the sludge. In a partnership between UNIDO and Zimbabwe's Bata Shoe Company, the 18-month research programme was conducted under the technical supervision of consultant Johan Barnard, Envirotan Water from South Africa. Bata (Zimbabwe) supported the effort with hardware and day-to-day manpower while UNIDO funded the consultant expertise under the ongoing project "Assistance in Tannery Pollution Control" (US/ZIM/98/069). Note de contenu : - The research concept - The pilot study - The tannery and waste water plant - The pilot anaerobic digester plant - The start-up phase - The loading phase - Control of the digester - Temperature effects - Inhibiting chemicals - Gassing studies - Findings from the investsigation - Panel 1 : Anaerobic digester pilot plant - Panel 2 : pH stabilisation at start-up - Anaerobic digestion of tannery sludge - Panel 3 : Digester space load rate - Anaerobic digestion of tannery sludge - Panel 4 : Percentage reduction of washed sludge En ligne : https://drive.google.com/file/d/1PgzH9jsWDYAsXhBgVh6Qb6tt8jDb9jNC/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32494 [article]

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Analyses of nitrogen metabolism functional microbial community in aerobic tanks of hydrolysis acidification and multistage aerobic process for tannery wastewater / Ding Shaolan in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXIII, N° 12 (12/2018)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CXIII, N° 12 (12/2018) . - p. 409-417 Titre : Analyses of nitrogen metabolism functional microbial community in aerobic tanks of hydrolysis acidification and multistage aerobic process for tannery wastewater Type de document : texte imprimé Auteurs : Ding Shaolan, Auteur ; Tian Qianqian, Auteur ; Cao Kai ; Li Hua ; Yang Jianjun Année de publication : 2018 Article en page(s) : p. 409-417 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Eaux usées -- Analyse Eaux usées -- Décontamination Hydrolyse Microbiologie industrielle Tannage -- Déchets Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : The actual tannery wastewater was treated by hydrolysis acidification and multistage aerobic process (A/O3). The growth status of microorganisms in three aerobic tanks was measured with the Biolog microplate method to reflect the ability of metabolizing nitrogen source. In the three aerobic tanks, the functional differences between different nitrogen source metabolism microbial communities in three aerobic tanks were compared and analyzed. The results of the present study have shown that when the concentrations of ammonium chloride and potassium nitrate were low, the metabolic activity of nitrifying bacteria was higher than that of denitrifying bacteria in aerobic tanks. With the increase of concentration of ammonium chloride and potassium nitrate, the metabolic activity of denitrifying bacteria was gradually increased, and gradually higher than that of the nitrifying bacteria metabolism. When the concentrations of ammonium chloride and potassium nitrate were 100 mg/L and 20 mg/L, and the concentrations of ammonium chloride and potassium nitrate were 150 mg/L and 30 mg/L, O1 has the best denitrification effect. However, when the concentrations of ammonium chloride and potassium nitrate were increased, nitrogen load was increased, the denitrification effects of nitrification and denitrifying microorganisms were fluctuated. And the diversity index analyses by five indexes showed that the metabolic capacity of microorganisms to carbon sources is good. Note de contenu : - MATERIALS AND METHODS : Chemicals - Experimental equipment - BIOLOG experimental method - Data analyses - RESULTS AND DISCUSSION : Community analyses of nitrogen metabolism microorganisms in O3 - Functional microbial community analyses based on carbon source metabolism in activated sludge - Analyses of carbon metabolism characteristics of microorganisms in O3 En ligne : https://drive.google.com/file/d/1hwGiqo4g-BvZYsppBVMikxxE57zXlOF7/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31401 [article]

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Assessment of properties and effect of heterogeneous cultures of aerobic micro-organisms in the bio technology of tannery wastewater / J. Kupec in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 85, N° 4 (07-08/2001)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 85, N° 4 (07-08/2001) . - p. 137-139 Titre : Assessment of properties and effect of heterogeneous cultures of aerobic micro-organisms in the bio technology of tannery wastewater Type de document : texte imprimé Auteurs : J. Kupec, Auteur Année de publication : 2001 Article en page(s) : p. 137-139 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Adsorption Biodégradation Biopolymères Biotechnologie Boues résiduaires -- Analyse Cuirs et peaux -- Déchets Déchets industriels -- Elimination Microorganismes Tannage -- Déchets Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The article presents a review of results we obtained during recent years in the field of assessing the properties and effect of activated sludge produced during treatment of tannery wastewaters by activation. The first part primarily mentions works concerning this biornass itself (composition. activity, sorption properties and others). The second then summarises results obtained when evaluating processes under way during the removal of specific substrates produced by tanning manufacture (e.g. proteins, tanning agents). The results can serve to choose alternatives capable of use in disposing of the significant pollution that tanning emits into the environment. Note de contenu : - Survey results : Elementary analysis - Biopolymers - Adsorbance - Buffer ability - Treatment of tanning materials - Enzyme activity - Respiration activity - Biodegradation of proteins and polyphenols En ligne : https://drive.google.com/file/d/1wX_JgFPpBR5LXe7ouWq9uvYSuevSrClg/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40245 [article]

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Aswan clay as sorbent for removal of Cr(III) and Cr(VI) from synthetic solution and tannery wastewater / O. A. Mohamed in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 89, N° 5 (09-10/2005)  

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Biodegradation by filamentous fungi of vegetable tannins used in the tanning industry / Franciela Spier in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 102, N° 2 (03-04/2018)  

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Carbon footprint and energy balance of biodiesel produced from tannery fleshings / Eylem Kiliç in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CIX, N° 9 (09/2014)  

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Characterization of raw wastewater from tanneries / Mariliz Gutterres in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 99, N° 6 (11-12/2015)  

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Chrome adsorption characteristics of Yue village soil fertilized with tannery sludge / Ding Shaolan in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 98, N° 4 (07-08/2014)  

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Chrome recovery out of tannery wastes / Leander Veeger in WORLD LEATHER, Vol. 7, N° 2 (04-05/1994)  

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Chrome sludge compost - Effects on crops and soils / Li Gui-Ju in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 90, N° 1 (01-02/2006)  

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Chromium sulphate recovery in a triple-effect evaporator / G. A. Gasmelseed in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 86, N° 1 (01-02/2002)  

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A cleaner Al2O3-ZrO2/MMT nanocomposite adsorbent based on Al-Zr tanning waste / E. Tao in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CIX, N° 11 (11/2014)  

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Collagen recovered, purified and enzymatically hydrolysed from tannery waste / M. E. Errasti in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 108, N° 1 (01-02/2024)  

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Cyclic dechroming process for chrome shavings by coordination substitution reaction and photocatalysis / Yuling Tang in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CIX, N° 11 (11/2014)  

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Les déchets en tannerie-mégisserie / Lyon : Centre Technique Cuir, chaussure, maroquinerie (CTC) (2005)

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Deep treatment of ammonia nitrogen tannery wastewater by an electro-Fenton system / Chen Hui in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXIV, N° 11 (11/2019)  

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Determination active ingredients in bioflocculants for treatment of tannery wastewater / Changqing Zhao in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 100, N° 3 (05-06/2016)  

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Development and design of the software system of the whole-process management platform for chrome shavings / Qin Sun in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 105, N° 2 (03-04/2021)  

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