2023
DOI: 10.31881/tlr.2023.116
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Recovery and Reuse of Chromium from Tan Yard Solid Waste in Leather Manufacturing

Md. Abdul Mottalib,
Mohan Chandra,
Umme Habiba Bodrun Naher
et al.

Abstract: Chrome tanning is the most popular and widely used method utilizing basic chromium salts in leather processing. Only 60-70% of these salts react with collagen to form leather. The rest remains unreacted being released as toxic waste and causing severe environmental pollution in many developing countries. In the current study, a significant approach was made to utilize solid waste with a clean environment perspective. The chromium was extracted as basic chromium sulfate using H2SO4 from tannery waste and reused… Show more

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