PROCESS FOR SELECTIVELY PRODUCING C OLEFINS IN A FLUID CATALYTIC CRACKING PROCESS

Title:

PROCESS FOR SELECTIVELY PRODUCING C<3> OLEFINS IN A FLUID CATALYTIC CRACKING PROCESS

Document Type and Number:

WIPO Patent Application WO2001090279

Kind Code:

A3

Abstract:

A process for producing propylene from a catalytically cracked or thermally cracked naphtha stream is disclosed herein. The naphtha stream is contacted with a catalyst containing from 10 to 50 wt.% of a crystalline zeolite having an average pore diameter less than 0.7 nanometers at reaction conditions which include temperatures from 500 DEG C to 650 DEG C and a hydrocarbon partial pressure from 10 to 40 psia. A separate stream containing aromatics may be cofed with the naphtha stream.

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Inventors:

LADWIG PAUL K
ASPLIN JOHN E
STUNTZ GORDON F
WACHTER WILLIAM A
HENRY BRIAN ERIK
FUNG SHUN C
CHEN TAN-JEN
CARPECY JOHN F
SEARLE RONALD G

Application Number:

PCT/US2001/016037

Publication Date:

June 20, 2002

Filing Date:

May 19, 2001

Export Citation:

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Assignee:

EXXONMOBIL CHEM PATENTS INC (US)

International Classes:

C07B61/00; C07C4/06; C07C4/04; C07C11/02; C07C11/06; C10G11/02; C10G11/04; C10G11/05; C10G11/18; C10G35/02; C10G35/04; C10G35/06; C10G35/095; C10G51/02; C10G51/04; C10G57/02; (IPC1-7): C10G11/18; C10G11/05

Domestic Patent References:

WO1999057086A1

1999-11-11

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