Chennai scientists devise eco-friendly leather tanning technique

November 14th, 2007 - 1:49 am ICT by admin  
The complex chemical process used during tanning causes the discharge of high levels of pollutants into the water.

Raghava Rao and his colleagues at the Central Leather Research Institute (CLRI) in Adyar have now found a cost-efficient method whereby tanning procedure can be made eco-friendly.

The researchers say that simply reversing the order of the tanning and post-tanning steps can drastically improve the process.

They also say that promoting non-chemical-based pre-tanning methods may help reduce the amount chemicals released by 82 per cent, and make an energy saving of nearly 40 per cent.

“The significance is tremendous in the context of environmental challenges being faced by the leather industry,” Rao said.

He also revealed that their methods did not reduce the leather quality when compared with conventional tanning methods.

The method has been reported in ‘Chemistry and Industry’, the magazine of the SCI. (ANI)

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