The influence of additives on the steam gasification of PVC waste |
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| Authors: | JMN van Kasteren MJP Slapak |
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| Institution: | (1) Department of Chemical Engineering, Center for Environmental Technology, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands Tel. +31-40-2473589; Fax +31-40-2475430 e-mail: j.m.n.v.kasteren@tue.nl, NL |
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| Abstract: | This study is concerned with the influence of additives on the steam gasification of polyvinyl chloride (PVC) waste. Three
types of PVC waste, namely pipe waste, cable waste, and flooring, were tested. The presence of additives proved to have a
profound effect on the carbon-to-gas conversion. Plasticizers and other organic additives caused an increase in carbon-to-gas
conversion. Inorganic additives, especially calcium, caused a decrease in carbon-to-gas conversion, resulting in an overall
decrease in the yield of syngas for all three types of waste. This decrease is probably caused by the deposition of Ca on
the surface of the alumina bed material. In addition, calcium reacts with the HCl formed to give CaCl2. This results in a decrease in the recovery of hydrochloric acid.
Received: July 19, 2000 / Accepted: October 9, 2000 |
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| Keywords: | PVC waste Gasification Recycling |
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