NDLI: Rationalized method to enhance the chromium uptake in tanning process: role of Gallic acid

Content Provider	Springer Nature Link
Author	Ramamurthy, G. Krishnamoorthy, G. Sastry, T. P. Mandal, Asit Baran
Copyright Year	2013
Abstract	In the present study, a greener approach to tanning process based on Gallic acid (GA: Trihydroxybenzoic acid) assisted chrome tanning has been attempted. The exhaustion, the thermal stability, mechanical strength and organoleptic properties of tanned leather as well as the evaluation of eco-friendly characteristics were investigated. The microshrinkage, differential scanning calorimetric and thermo mechanical analyses show the shrinkage temperature, denaturation temperature and % elongation, respectively, of GA-chrome-tanned leather are more than that of chrome alone. Chrome exhaustion greater than 93 % has been achieved. This high exhaust aid offers fullness and softness to leather compared to chrome alone. The environmental impact assessment reveals that the developed high exhaust chrome tanning process is beneficial as significant reduction in total solids content (TSC) such as dissolved solids and suspended solids in the effluent is achieved when compared to tanning with chrome alone. The GA could bring about the enhancement of chromium(III) uptake, significant reduction in TSC resulting in improved environmental, economic and social positive impact.
Starting Page	647
Ending Page	654
Page Count	8
File Format	PDF
ISSN	1618954X
Journal	Clean Technologies and Environmental Policy
Volume Number	16
Issue Number	3
e-ISSN	16189558
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-06-23
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Greener process High exhaustion Chromium(III) Gallic acid Rationalisation Sustainable Development Industrial Chemistry/Chemical Engineering Industrial and Production Engineering Environmental Engineering/Biotechnology Environmental Economics
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Environmental Engineering Economics and Econometrics Business, Management and Accounting Management, Monitoring, Policy and Law

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