DOI: 10.5593/SGEM2016/B41/S17.041


G. Coara, L. Albu, M.S. Florescu, R.Mocanu, G. Lazaroiu
Wednesday 7 September 2016 by Libadmin2016

References: 16th International Multidisciplinary Scientific GeoConference SGEM 2016, www.sgem.org, SGEM2016 Conference Proceedings, ISBN 978-619-7105-63-6 / ISSN 1314-2704, June 28 - July 6, 2016, Book4 Vol. 1, 325-332 pp

Sustainability and durability of leather production is based on three key factors: raw material, process efficiency, and pollution prevention and control. Leather is a renewable resource with the ability to reproduce by means of biological processes. The tannery, the unit where leather is processed, must face current constraints, given that leather processing affects all environmental factors: water, air, soil, and raw hide results in about 70-75% solid waste and only about 25% becomes finished leather. Solid waste resulting from leather processing are registered in the European Catalogue with codes 04 01 01 - 04 01 09, namely fleshings and limed split waste, liming waste, degreasing waste, tanned leather waste with chromium content, finished leather waste, tanning floats and sludge with or without chromium. The paper provides an energetic solution for recovery of solid waste, given that leather has half the heat of combustion of diesel and presents the advantages and disadvantages of this solution compared to others.

Keywords: leather, renewable energy, biogas, biodiesel, solid wastes recycling