Academics promise to cut contamination in tanning - leatherbiz: Leadin Leatherbiz

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Academics promise to cut contamination in tanning

24/07/2007
 
A team of chemical engineers linked to the University of Santiago de Compostela in northern Spain has published a new study into the environmental impact of the tanning industry. The group, led by Dr Gumersindo Feijoo, claims to have come up with a tanning method that would use less salt, less water and chemicals with a less harmful impact.

Local media have quoted Dr Feijoo as saying that central elements of the method would be to use higher temperatures during tanning and to substitute chrome salts for “other tanning agents”. The use of ammonium salts during unhairing and liming would also cut down on the amount of lime left over.

Dr Feijoo’s team, based in Lugo, believes tanners could adopt its ideas with minimal investment and cut down their environmental impact by as much as 50%.



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