Degradation of polystyrene using clinoptilolite catalysts

被引:94
作者
Lee, SY [1 ]
Yoon, JH [1 ]
Kim, JR [1 ]
Park, DW [1 ]
机构
[1] Pusan Natl Univ, Dept Chem Engn, Pusan 609735, South Korea
关键词
polystyrene; catalytic degradation; clinoptilolite catalyst; aromatics;
D O I
10.1016/S0165-2370(01)00171-1
中图分类号
O65 [分析化学];
学科分类号
070302 [分析化学]; 081704 [应用化学];
摘要
Several solid acids such as silica-alumina, HZSM-5, HY, mordenite and clinoptilolite (natural and synthesized) are screened for their performances in the catalytic degradation of polystyrene (PS). The clinoptilolites showed good catalytic activity for the degradation of PS with very high selectivity to aromatic liquids. The effects of catalyst acidity, reaction temperature and contact time on the distribution of aromatics are discussed. The increase of contact time and surface acidity enhanced the production of ethylbenzene. High degradation temperature favored the selectivity to styrene monomer. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:71 / 83
页数:13
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