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High density polyethylene (HDPE) was pyrolysed over different catalysts using an in-house designed laboratory fluidised-bed reactor operating in the 290–430°C range under atmospheric pressure. The catalysts used were HZSM-5, Silicalite, HMOR, HUSY and SAHA and the yield of volatile hydrocarbons (based on the feed) was typically HZSM-5>HUSY≈HMOR>SAHA. Product streams varied markedly with catalysts...
Catalytic degradation of waste polymers offers the potential for the selective recovery of useful chemical fractions by influencing the product distributions. Thermogravimetric analysis has been used to investigate the activity of various aluminosilicate catalysts in the degradation of high density polyethylene (HDPE). Amorphous silica-alumina significantly reduced the apparent activation energy...
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