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COMPARATIVE METHODS FOR SKIN AND HIDE WASTE CAPITALISATION

Daniela Stefan

First published: 2018-11-20https://doi.org/10.5593/sgem2018v/6.4/s08.013View metrics

Abstract

The tanning industry aims at converting the raw hide or skin (a putrescible material) into leather. At each ton of raw hides results 200-250 kg leather, while the untanned solid waste as organic fractions is around 500-600 kg. According to the EU policies on Green and Circular Economy the Action Plan covers the whole cycle: from production and consumption to waste management and use of secondary raw materials. In contrast with the traditional, linear ?extract-transform-use-dispose? economy model, the circular model proposes closing the loop of products lifecycles by increasing recycling and re-use, the target for waste being to establish a road map for reuse by turning by-products into raw materials. In line with these goals the ways to waste re-use must be identified in the tanning industry. In this context, the main ways to valorise the untreated hide and skin are production of gelatine and glue, fertilisers from protein hydrolysate, collagen from trimming and splits, compost by aerobic digestion and biogas by anaerobic digestion from waste and sludge. In this paper a comparative study regarding capitalisation of the untreated waste of hide and skin is presented.

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Publication details

Title
COMPARATIVE METHODS FOR SKIN AND HIDE WASTE CAPITALISATION
Authors
Daniela Stefan
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th SGEM International Multidisciplinary Scientific GeoConference SGEM2018, Nano, Bio, Green and Space: Technologies for Sustainable Future
Publisher
STEF92 Technology
Year
2018
Pages
95-102
SWS Citekey
Stefan2018895102
ISSN
1314-2704
ISBN
978-619-7408-71-3
Language
en
Publication type
Conference Paper
Keywords
skinhide wastehydrogelgelatine
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