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...Resources conservation and recycling www elsevier com locate resconrec sustaining tanning process through recovery better utilization of chromium k j sreeram t ramasami central leather research institute adyar chennai india received july accepted october abstract is a unique material unmatched in properties by synthetics making an environmentally challenged the key that renders stability to skin matrix against microbial degradation heat sweat etc iii has been used widely for excellent it along with simplicity operation reported toxicity compounds coupled poor uptake during continued use this problems associated have classified as avoidable controllable unavoidable technological developments avoidance control pollution processing come forth there are both plant end pipe treatment solutions paper surveys development technologies rendered eco sustainable call further understanding chemistry need cross fertilization ideas made enabling greening industry science b v all rights reserved keyw...