publication . Other literature type . Article . 2007

Conversion of leather wastes to useful products

I. Cem Kantarli; Jale Yanik; Mehmet Sağlam; Mithat Yüksel; Onur Yilmaz;
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  • Published: 01 Feb 2007
  • Publisher: Elsevier BV
Abstract
Abstract The main objective of the present study is to investigate the production of useful materials from different kinds of leather waste. Three different types of tannery wastes (chromium- and vegetable-tanned shavings, and buffing dust) were pyrolyzed in a fixed bed reactor at temperatures of 450 and 600 °C under N 2 atmosphere. Gas, oil, ammonium carbonate and carboneous residue were obtained by pyrolysis. The effect of temperature and type of leather waste on product distribution of pyrolysis was investigated. Buffing dust gave the highest yield of oil (ca. 23%), while other wastes recorded yields of ca. 9%. Results of elemental analysis and column chromat...
Subjects
free text keywords: Economics and Econometrics, Waste Management and Disposal, Activated carbon, medicine.drug, medicine, Pyrolysis, Pulp and paper industry, Heat of combustion, Chemistry, Chromium, chemistry.chemical_element, Ammonium carbonate, chemistry.chemical_compound, Waste management, Fuel oil, Adsorption, Raw material
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