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Pyrolysis of latex gloves in the presence of y-zeolite

By W.J. Hall, P.T. Williams and N. Zakaria


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

Publisher: Elsevier
Year: 2009
OAI identifier: oai:eprints.whiterose.ac.uk:4970

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