Catalytic conversion process for producing light olefins...

Details Catalytic conversion process for producing light olefins... Catalytic conversion process for producing light olefins...

2008-05-20

2008-05-20

Dang, Thuan Dinh (Department: 1764)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By c content reduction, e.g., cracking, etc.

C585S651000, C585S650000, C585S649000, C585S653000

Reexamination Certificate

active

07375256

ABSTRACT:
A catalytic conversion process for producing light olefins with a high yield from petroleum hydrocarbons, which comprises the steps of contacting a pre-heated petroleum hydrocarbons feedstock with a catalyst which comprises phosphorus and transition metal modified silica rich zeolite having a structure of pentasil in a riser or a fluidized bed reactor, and converting under the catalytic conversion conditions to produce reaction effluent and a spent catalyst, separating the resulted reaction effluent and spent catalyst, further separating said reaction effluent into liquid products and gaseous products comprising ethylene and propylene; stripping the spent catalyst by steam; regenerating the stripped catalyst by contacting the spent catalyst with oxygen-containing gas and burning off coke; and recycling the regenerated catalyst to reactor for reuse.

REFERENCES:
patent: 3578403 (1971-05-01), Moore
patent: 4365104 (1982-12-01), Kaeding
patent: 4980053 (1990-12-01), Li et al.
patent: 5236880 (1993-08-01), Chapman
patent: 5318696 (1994-06-01), Kowalski
patent: 5380690 (1995-01-01), Zhicheng et al.
patent: 5414075 (1995-05-01), Swan et al.
patent: 6080698 (2000-06-01), Zhang
patent: 6106697 (2000-08-01), Swan et al.
patent: 2003/0006168 (2003-01-01), Ino et al.
patent: 1093101 (1994-10-01), None
patent: 1102431 (1995-05-01), None
patent: 1255474 (2000-06-01), None
patent: 1305445 (2001-07-01), None
patent: 0922744 (1997-06-01), None
patent: 0909804 (1999-04-01), None
patent: 0903178 (2003-11-01), None
patent: 55-162349 (1980-12-01), None
patent: 60-222428 (1985-11-01), None
patent: 2100075 (1997-12-01), None
patent: 2186089 (2002-07-01), None
English language Abstract of CN 1093101, 2005.
English language Abstract of CN 1255474, Jun. 2000.
English language Abstract of CN 1102431, May 1993.
English language Abstract of CN 1305445, May 1999.
English language Abstract of RUSSIAN 2100075, Dec. 1997.
English language Abstract of JP 55-162349, 1979.
English Language Abstract of RU 2186089, Jul. 27, 2002.

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