FIELD: organic chemistry; procedure for controlling process for alkylating benzene with ethylene in presence of aluminum chloride. SUBSTANCE: method is based on determining hexaethylbenzene content in return catalyst complex based on aluminum chloride. If hexaethylbenzene content is above 1 wt. -%, it shows that catalyst complex enters stage of catalyst poisoning. EFFECT: higher efficiency. 1 tbl
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Authors
Dates
1998-05-10—Published
1996-01-30—Filed