Catalytic degradation of high-density polyethylene in a reactive extruder

Wallis, Michael D. ; Sarathy, Sandeep ; Bhatia, Suresh K. ; Massarotto, P. (2008) Catalytic degradation of high-density polyethylene in a reactive extruder Industrial & Engineering Chemistry Research, 47 (15). pp. 5175-5181. ISSN 0888-5885

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Official URL: http://pubs.acs.org/doi/abs/10.1021/ie0714450

Related URL: http://dx.doi.org/10.1021/ie0714450

Abstract

The catalytic degradation of high-density polyethylene was conducted in a reactive extruder at reaction temperatures of 425, 450, and 475 °C using silica-alumina as the cracking catalyst. A continuous kinetic model was proposed and compared to the carbon number distribution of the reaction products. The model prediction of the product selectivity described the experimental data well for a reaction temperature of 425°C; however, it was too simplistic to predict the decrease in C4 and increase in C3 occurring at higher reaction temperatures. The liquid product obtained from the reactive extruder was comparable to gasoline; however, it did show a significantly higher C5 fraction.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society.
ID Code:2780
Deposited On:08 Oct 2010 11:10
Last Modified:17 May 2011 05:38

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