METHOD FOR PROCESSING OLEFINS

WIPO Patent Application WO/2009/009965

A1

Disclosed is a method for processing olefins from saturated hydrocarbons of petroleum, which includes dehydrogenating the preheated saturated hydrocarbons of petroleum in the dehydrogenation zone of the reaction system by contacting them with dehydrogenating catalyst to obtain petroleum stream comprising unsaturated hydrocarbons, in which the conversion of dehydrogenation is at least 20%, and then contacting the resultant petroleum stream comprising unsaturated hydrocarbons with olefin cracking catalyst in the cracking zone of the reaction system, to obtain olefins with less carbons.

WANG GUOQING (CN)
ZHANG ZHAOBIN (CN)
CHEN SHUO (CN)
ZHANG LIJUN (CN)

PCT/CN2008/001340

January 22, 2009

July 18, 2008

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CHINA PETROLEUM & CHEMICAL (CN)
BEIJING RES INST CHEM IND (CN)
WANG GUOQING (CN)
ZHANG ZHAOBIN (CN)
CHEN SHUO (CN)
ZHANG LIJUN (CN)

C07C4/02; C07C11/02

CN1317467A	2001-10-17
CN02129551A	2002-09-03
CN1380898A	2002-11-20
CN200510028797A	2005-08-15
CN03141148A	2003-06-11
EP1318187A1	2003-06-11
US6586649B1	2003-07-01
CN1317467A	2001-10-17

See also references of EP 2172440A4
JOURNAL OF LIAONING CHEMICAL INDUSTRY, vol. 5, 1992, pages 16 - 19
JOURNAL OF PETROLEUM CHEMICAL INDUSTRY, vol. 34, no. 6, 2005, pages 315 - 319
JOURNAL OF LNDUSTRIAL CATALYSIS, vol. 12, no. 10, October 2004 (2004-10-01), pages 5 - 7

CCPIT PATENT AND TRADEMARK LAW OFFICE (Vantone New World Plaza2 Fuchengmenwai Street, Beijing 7, CN)

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