Study of the slow batch pyrolysis of mixtures of plastics, tyres and forestry biomass wastes

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Abstract

This work aimed to study the recovery of three types of waste by the process of pyrolysis: biomass, plastics and used tyres. The effects of experimental conditions in products yield and composition were studied. The increase of reaction time increased alkane content both in gas phase from 53% to 70% v/v and in liquid fraction from 48% to 60% w/w. The rise of reaction temperature led to a decrease of liquid yield (from 82% to 73% w/w), which was followed by the increase of solids and gases. The increase of reaction temperature also allowed the increase of the alkane content in gas phase from 39% to 70% v/v. The parameter that most affected products yield and composition was plastics content on the wastes initial mixture. The enhancement of this parameter increased liquid yield from 33% to 92% w/w, at the expense of solids and gases contents and also decreased aromatic contents from 52% to 28% w/w. (C) 2008 Elsevier B.V. All rights reserved.
Original languageUnknown
Pages (from-to)392-398
JournalJournal of Analytical and Applied Pyrolysis
Volume85
Issue number1-2
DOIs
Publication statusPublished - 1 Jan 2009

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