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TREATMENT OF WASTES FROM TANNERIES IN INDIA presentation


Posted by: seminar presentation
Created at: Sunday 16th of May 2010 03:17:21 AM
Last Edited Or Replied at :Sunday 01st of August 2010 05:44:23 AM
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NNERIES
Use salt or chilling methods to preserve hides instead of persistent insecticides and fungicides.
Inject tanning solution in the skin using high pressure nozzles and implement chrome recovery from chrome containing wastewaters which should be kept segregated from other wastewaters. Recycle chrome after precipitation and acidification. Improve fixation of chrome by addition of dicarboxylic acids.
Consider the use of carbon dioxide in deliming to reduce ammonia in wastewater.
Use only trivalent chrome when required for tanning.
Use non organic solvents for dyeing and fi..................[:=> Show Contents <=:]



EFFECTS OF NANOTECHNOLOGY AND MEMS ON ENVIRONMENT


Posted by: seminar class
Created at: Wednesday 16th of February 2011 05:14:52 AM
Last Edited Or Replied at :Saturday 12th of March 2011 01:16:27 AM
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ofluidic applications such as disposable blood testing cartridges.
Examples
Examples of MEMS device applications include inkjet-printer cartridges, accelerometers, miniature robots, microengines, locks, inertial sensors, microtransmissions, micromirrors
..................[:=> Show Contents <=:]



water pollution index


Posted by: bakerking0831
Created at: Wednesday 26th of January 2011 10:40:28 PM
Last Edited Or Replied at :Wednesday 26th of January 2011 10:40:28 PM
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can you giv..................[:=> Show Contents <=:]



TREATMENT OF WASTES FROM TANNERIES IN INDIA presentation


Posted by: seminar presentation
Created at: Sunday 16th of May 2010 03:17:21 AM
Last Edited Or Replied at :Sunday 01st of August 2010 05:44:23 AM
waste treatment companies , waste treatment in dairy industry, waste treatment and disposal , waste treatment technologies, waste treatment ppt , waste treatment food processing industry, waste treatment technology , waste treatment plant, waste treatment methods , waste treatment, TREATMENT OF WASTES FROM TANNERIES IN INDIA pdf , TREATMENT OF WASTES FROM TANNERIES IN INDIA ppt, TREATMENT OF WASTES FROM TANNERIES IN INDIA , presentation, INDIA , TANNERIES, FROM , WASTES, TREATMENT , treatment of leather and tannery waste water ppt, presentation topics on india , ppt on environmental effects of tannery, pollution prevention in tannery , treatment in tannery industries, ppt tannery , tannery wastewater characteristics, effect of tannery effluents ppt , collagen waste in tannary industry ppt, tanneries in india , enzymes indian market animal feed 2012 ppt, tannery ppt , tannery effluent treatment process ppt, leather tanning ppt , solutions for the pollution of leather tanning in india, treatment of wastes from tanneries in india , leather tanning waste water management ppt, leather tanning waste water management , leather industry in india ppt,
the hides;
retanning, dyeing, and fat-liquoring to impart special properties to the leather, increase penetration of tanning solution, replenish oils in the hides and impart color to the leather; and
finishing to final product specification.


¢ TYPES OF TANNING

Tanning is essentially the reaction of collagen fibers in the hide with chromium, alum, or other chemical agents. The most common tanning agents used are the trivalent chromium and vegetable tannins extracted from specific tree barks. Alum, syntans (man-made chemicals), formaldehyde, glutaraldehyde, and heavy oi..................[:=> Show Contents <=:]



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