Huang Hong-ying
2011
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Journal
The Chemical Engineer
Abstract
In this paper,benzenesulfonyl chloride was synthesized from benzene and chlorosulfonic acid,and the traditional caustic washing process was improved to the pickling process.Determined by orthogonal experiments,the best synthesis process was: raw material ratio of n(Chlorsulfuron acid∶n(benzene) = 3.5∶1.0,reaction time was 2h,drip of benzene speed was 2h.The material availability was improved,The yield was raised from 60% to above 83%.Meanwhite the wastes were reduced.