Condensed Mode Cooling for Ethylene Polymerization: The Influence of the Heat of Sorption

被引：11
|
作者：
Alizadeh, Arash [1 ,2 ,3 ]
McKenna, Timothy F. L. [1 ,2 ]
机构：
[1] LCPP CNRS ESCPE, F-69616 Villeurbanne, France
[2] DPI, NL-5600 AX Eindhoven, Netherlands
[3] Queens Univ, Dept Chem Engn, Kingston, ON K7L 3N6, Canada
来源：
MACROMOLECULAR REACTION ENGINEERING | 2014年 / 8卷 / 05期
关键词：
condensed mode operation; gas phase ethylene polymerization; heat of sorption; inert condensing agent; solubility; EQUATION-OF-STATE; HETEROGENEOUS CATALYSIS; ALPHA-OLEFINS; SOLUBILITY; POLYETHYLENES; DIFFUSION; 1-HEXENE; PREDICTIONS; MOLECULES; SYSTEMS;
D O I：
10.1002/mren.201300165
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The relative importance of the higher solubility of n-hexane (with respect to ethylene) and its associated heat of sorption on the thermal behavior of the growing polymer particles during gas phase ethylene polymerization on supported catalysts are investigated. It is found that if a polymerizing particle begins to heat-up, the partial desorption of a condensable solute in a gaseous state helps to attenuate the temperature rise in the polymer particles, decreasing the risk of local hot spots.
引用
收藏
页码：419 / 433
页数：15
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