Occupational safety and health at work, maintenance 8. All the wastewater from the different processing phases of leather production are mixed and settled in the balancing tank also called the collecting tank. God bless you and your work, just begins to express my feelings. The composition of pollutants in the wet finishing effluent is complex due to the presence of dyes, fat liquors and combined tanning agents, but the total amounts generated are smaller. Treatment of tannery wastewater by chemical coagulation.
Molecular survey of a tannery wastewater treatment system through metagenomic and metatranscriptomic approaches revealed a diverse microbial community. Treatment of leather industrial effluents by filtration and coagulation. Tareli tannery wastewater recycling in leather industries life00 enve000498 project description environmental issues beneficiaries administrative data. Wastewater treatment technology for tanning industry eolss. The initiatives of the water research commission wrc and the water institute of southern africa wisa are recognised to have the handbook developed. Pdf a novel tannery wastewater treatment and recovery method. Index terms alkalinity, acidity, cod, bod, tannery wastewater, sulfides, chlorides i. Treatment of tannery wastewater gate information service gtz, po box 5180, 65726 eschborn, germany. Pdf tannery waste water severely effects the quality of water bodies into which it is discharged. Treatment of tannery wastewater for reuse by physicochemical.
Saying thank you does not seem to be strong enough. Characteristics of wastewaters from different tanneries and various methods for treating these tannery wastes are discussed. In a brief introduction, we describe how tannery wastewater is currently subjected to singlepollutant treatment methods that strive to remove. What every tanner should know about effluent treatment. Pdf analysis and treatment of tannery waste water by using the. Treatment of wastewater from a tannery in greater ho chi minh city vietnam was investigated on a pilot scale. Kandasamy encyclopedia of life support systemseolss biographical sketches summary the leather industry is a major industry on an international scale and is of significant economic importance. Wastewater treatment technology for tanning industry. The wastewater treatment process depends on several. Some sections in this handbook are similar to certain sections. The results indicate that the wastewaters from the tanneries do not satisfy the legal ranges of selected parameters discharge to inland water and to sewer. Pdf in tannery factories, chromium sulfate is used for the improvement of leather quality.
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