Difference between revisions of "Treatment of Tannery Wastewater"

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|BL Type=Study & Report
 
|BL Type=Study & Report
 
|BL Language=English
 
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Latest revision as of 14:15, 16 October 2018


Treatment of Tannery Wastewater

Title Treatment of Tannery Wastewater
Author GTZ
Year 2002
Region/Country
Topics Waste Treatment
Document Type Study & Report
File Download

English : Treatment of Tannery Wastewater.pdf

Language(s) English
Abstract Manufacturing of leather, leather goods, leather boards and fur produces numerous by-products, solid wastes, high amounts of wastewater containing different loads of pollutants and emissions into the air. The uncontrolled release of tannery effluents to natural water bodies increases health risks for human beings and environmental pollution. Effluents from raw hide processing tanneries, which produce wetblue, crust leather or finished leather contain compounds of trivalent chromium (Cr) and sulphides in most cases. Organic and other ingredients are responsible for high BOD (Biological Oxygen Demand) and COD (Chemical Oxygen Demand) values and represent an immense pollution load, causing technical problems, sophisticated technologies and hig