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Pyrolysis of latex gloves in the presence of y-zeolite

Hall, W.J., Williams, P.T. and Zakaria, N. (2009) Pyrolysis of latex gloves in the presence of y-zeolite. Waste Management, 29 (2). pp. 797-803. ISSN 0956-053X

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In this study we have investigated the possibility of processing waste rubber gloves using pyrolysis. Y-zeolite catalyst was employed to upgrade the pyrolysis products to give higher yields of valuable aromatic compounds such as toluene and xylenes. The composition of the pyrolysis products was determined using GC-MS, GC-FID, GC-TCD, and FT-IR. It was found that when rubber gloves were pyrolysed in the absence of a catalyst, the pyrolysis oil consisted mainly of limonene and oligomers of polyisoprene. When Y-zeolite was added to the reaction system, the yields of toluene, xylene, methylbenzenes, ethylbenzenes, and naphthalenes increased dramatically. The Y-zeolite also catalysed the decomposition of limonene, which was absent from the catalytic pyrolysis products. The presence of the Yzeolite catalyst also increased the yield of hydrocarbon gases. The tests were carried out at both 380°C and 480°C and it was found that the higher reaction temperature led to increased yields of all the major compounds, both in the presence and absence of the Y-zeolite catalyst.

Item Type: Article
Copyright, Publisher and Additional Information: © 2008 Elsevier Ltd. This is an author produced version of a paper published in Waste Management. Uploaded in accordance with the publisher's self-archiving policy.
Keywords: rubber glove, medical waste, pyrolysis, thermal treatment
Institution: The University of Leeds
Academic Units: The University of Leeds > Faculty of Engineering (Leeds) > School of Chemical & Process Engineering (Leeds) > Energy Research Institute (Leeds)
Depositing User: Dr William Hall
Date Deposited: 03 Dec 2008 18:53
Last Modified: 18 Jun 2014 07:45
Published Version: http://dx.doi.org/10.1016/j.wasman.2008.06.031
Status: Published
Publisher: Elsevier
Refereed: Yes
Identification Number: 10.1016/j.wasman.2008.06.031
URI: http://eprints.whiterose.ac.uk/id/eprint/4970

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