Title:
METHOD FOR PRODUCTION OF LOWER OLEFIN
Document Type and Number:
Japanese Patent JP2005314339
Kind Code:
A
Abstract:
To provide a method for producing lower olefins such as ethylene or propylene in a good yield over a long time by catalytically cracking a hydrocarbon material using a crystalline aluminosilicate zeolite catalyst carrying rare earth elements.
In the method for producing lower olefins by catalytically cracking the ≥2C hydrocarbon material in a fixed bed reactor filled with the catalyst, the crystalline aluminosilicate zeolite containing rare earthes and having the dimension of ≥14 mesh (1.2 mm) is used as the catalyst, and the pressure loss of a catalyst layer in the reactor is controlled to be ≤0.02 MPa.
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Inventors:
SAWADA GORO
TAKEUCHI MITSURU
FURUKAWA TAKUO
TAKEUCHI MITSURU
FURUKAWA TAKUO
Application Number:
JP2004136460A
Publication Date:
November 10, 2005
Filing Date:
April 30, 2004
Export Citation:
Assignee:
MARUZEN PETROCHEM CO LTD
International Classes:
C07C4/10; C07B61/00; C07C4/06; C07C11/04; C07C11/06; C07C11/08; (IPC1-7): C07C4/10; C07C11/04; C07C11/06; C07C11/08
Attorney, Agent or Firm:
Kenji Izumina
Toshiharu Ogawa
Ryozo Yamamoto
Toshiharu Ogawa
Ryozo Yamamoto