Method for producing isopropyl benzene from benzene and propylene

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United States of America Patent

PATENT NO 9828307
SERIAL NO

14525857

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Abstract

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A method for producing isopropyl benzene includes the following steps. Step A: feeding a first stream containing benzene and a first stream containing propylene into a first reaction zone to contact a first catalyst for alkylation, and obtaining a first stream containing isopropyl benzene from the first reaction zone, dividing the first stream containing isopropyl benzene into a stream Ia and a stream IIa, the stream Ia circulating back into the first reaction zone and the stream IIa entering into a second reaction zone, having the stream entering the second reaction zone to contact a second catalyst for alkylation, and obtaining a second stream containing isopropyl benzene from the second reaction zone, and purifying at least a partial stream IIIa of the second stream containing isopropyl benzene, and obtaining a product isopropyl benzene.

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Patent Owner(s)

Patent OwnerAddress
CHINA PETROLEUM & CHEMICAL CORPORATION22 CHAOYANGMEN NORTH STREET CHAOYANG DISTRICT BEIJING 100728 100728
SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC1658 PUDONG BEI ROAD PUDONG NEW AREA SHANGHAI 201208

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fang, Hua Shanghai, CN 13 43
Gao, Huanxin Shanghai, CN 13 1
Gu, Ruifang Shanghai, CN 4 1
Ji, Shufang Shanghai, CN 4 1
Wei, Yilun Shanghai, CN 5 1
Yao, Hui Shanghai, CN 16 80
Zong, Hongyuan Shanghai, CN 9 16

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