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Oct
8
2007
In a rare win--win situation, chemists in India have come up with a cheaper way to tan hides that releases fewer harmful chemicals into the environment. Leather production is a messy business that releases vast quantities of hazardous nasties: now, Raghava Rao and colleagues at the Central Leather Research Institute, Chennai, India, claim to have found a more efficient, cleaner method. Writing in the Journal of Chemical Technology and Biotechnology, they describe how reversing the order of steps in the tanning process saves water, energy and materials. Crucially, it leads to major reductions in the amount of organic pollutants, salts and heavy metals being released in wastewaters. If only all manufacturing processes were so easy to clean up. Source: Saravanabhavan S, Rao JR, Nair BU & Ramasami T (2007) An eco-efficient rationalized leather process. Journal of Chemical Technology and Biotechnology DOI: 10.1002/jctb.1727
Image © Dainis Derics
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