Process for preparing low-granularity high-crystallinity SAPO-11 molecular sieve


Application Number  00129373 Application Date  2000.12.01
Publication Number  1356264 Publication Date  2002.07.03
Priority Information    
International
Classification
 B01J29/85;C01B37/08  
Applicant(s) Name  Qilu Petro-Chemical Co, China Petro-Chemical Group  
Address    
Inventor(s) Name  Su Jianming;DA Jianwen;Wu Laiping  
Patent Agency Code  37103 Patent Agent  geng xia
AbstractA process for preparing SAPO-11 molecular sieve with low granularity and high crystallinity features that alcohol-kind organic substance is added in preparing colloid mixture, a step for aging colloid mixture is added before crystallizing, and the mixture of n-dipropylamine and iso-dipropylamine is used as structure guiding agent.