Title:
A PROCESS FOR SYNTHESIZING SAPO-34 MOLECULAR SIEVE ENRICHED WITH Si(4Al) STRUCTURE IN THE FRAMEWORK
Document Type and Number:
WIPO Patent Application WO/2008/019584
Kind Code:
A1
Abstract:
Provided is a process for synthesizing SAPO-34 molecular sieve enriched with
Si(4Al) structure in the framework, Si coordination environment is Si(4Al)
structure in the molecular sieve framework. The synthesis process could control
the form and amount of Si coordination environment by adjusting the addition
ratio of silicon in the initial gel for synthesis, thereby SAPO-34 molecular
sieve mainly having Si(4Al) coordination environment is synthesized. The molecular
sieve is used as MTO catalyst after being baked and could improve efficiently
the selectivity of ethene and propene.
More Like This:
| JPS60151217 | CRYSTALLINE SILICOPHOSPHOALUMINATE |
| JP2002521303 | [Title of Invention] Method for Producing Molecular Sieve |
| WO/1995/029873 | PREPARATION OF NON-ZEOLITIC MOLECULAR SIEVES |
Inventors:
XU LEI (CN)
LIU ZHONGMIN (CN)
TIAN PENG (CN)
DU AIPING (CN)
YANG LIXIN (CN)
YUAN CUIYU (CN)
LIU ZHONGMIN (CN)
TIAN PENG (CN)
DU AIPING (CN)
YANG LIXIN (CN)
YUAN CUIYU (CN)
Application Number:
PCT/CN2007/002333
Publication Date:
February 21, 2008
Filing Date:
August 03, 2007
Export Citation:
Assignee:
DALIAN CHEMICAL PHYSICS INST (CN)
XU LEI (CN)
LIU ZHONGMIN (CN)
TIAN PENG (CN)
DU AIPING (CN)
YANG LIXIN (CN)
YUAN CUIYU (CN)
XU LEI (CN)
LIU ZHONGMIN (CN)
TIAN PENG (CN)
DU AIPING (CN)
YANG LIXIN (CN)
YUAN CUIYU (CN)
International Classes:
C01B37/08; B01J29/85; C10G3/00
Foreign References:
| CN1596221A | 2005-03-16 | |||
| US4440871A | 1984-04-03 |
Other References:
LIU H. ET AL.: "Effects of Silicon Source Content and Crystallization Time on the Structure and Catalytic Performance of SAPO-34 Molecular Sieve", CHINESE JOURNAL OF INORGANIC CHEMISTRY, vol. 19, no. 3, March 2003 (2003-03-01), pages 240 - 245
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD (Bldg. BTsinghua Tongfang Hi-Tech Plaza,No.1, Wangzhuang Rd.,Haidian District, Beijing 3, CN)
Download PDF: