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|Title:||A new role of alumina in polyethylene degradation: A step towards commercial polyethylene recycling|
|Abstract:||Degradation of low-density polyethylene (LDPE) to liquid HCs was examined in a 1:1 polymer to alumina weight ratio in the presence of varying amounts of H<sub>2</sub>SO<sub>4</sub>. The oil fraction, obtained as a result of degradation, was thoroughly analyzed by GC/MS measurements. Increase in the amount of acid increases the amount of aromatics, with pronounced formation of oxygenated aromatics. Alumina, besides providing a thermal background, its usual role in polyethylene degradation, acts as a triphase catalyst by way of bringing the organic phase (melted polymer) and the aqueous phase (H<sub>2</sub>SO<sub>4</sub>) in intimate contact to facilitate the process of degradation.|
|ISSN:||0975-1084 (Online); 0022-4456 (Print)|
|Appears in Collections:||JSIR Vol.64(12) [December 2005]|
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