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Application of KTA-2 Type Normal Temperature Arsenic Removal Catalysts in the Small Polypropylene Equipment

Bian Minghui (General Trade Corporation of Zhenhai Refinery Industry, Ningbo, Zhejiang 315207)  
Unusual trouble of the polypropylene equipment is analyzed to confirm that it is cased by the high impurity of arsenic in the raw material propylene.KTA-2 type normal temperature arsenic removal catalysts are used in stead of molecule sieve in the original dry tower, which is to be used as arsenic removal tower. When the arsenic removal equipment is put into use, consumption of catalysts and activation agents are reduced, improving the stability of the reaction with good results.
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