公开(公告)号：US11572283B2

公开(公告)日：2023-02-07

申请号：US16759225

申请日：2018-10-26

申请人： CHINA PETROLEUM & CHEMICAL CORPORATION ,  RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC

发明人： Yunfei Bi ,  Guofu Xia ,  Mingfeng Li ,  Qinghe Yang ,  Weiguo Huang ,  Qingzhou Guo ,  Wenxiu Fang ,  Luqiang Wang ,  Hongbao Li ,  Honghui Li ,  Jie Gao

IPC分类号： B01J29/04 ,  C01B39/04 ,  B01J29/40 ,  B01J29/70 ,  B01J29/72 ,  B01J29/74 ,  C01B39/46 ,  C01B39/12 ,  B01J6/00 ,  C01B39/10 ,  C01B39/54 ,  C01B39/06 ,  B01J37/03 ,  B01J37/02 ,  B01J37/10 ,  B01J35/10 ,  B01J37/00 ,  B01J35/00 ,  B01J29/76 ,  B01J29/85 ,  B01J29/86 ,  B01J29/87 ,  B01J29/88 ,  C07C5/22 ,  C10G45/64 ,  C10G45/60 ,  C10G45/62

摘要： A molecular sieve has a silica/alumina molar ratio of 100-300, and has a mesopore structure. One closed hysteresis loop appears in the range of P/P0=0.4-0.99 in the low temperature nitrogen gas adsorption-desorption curve, and the starting location of the closed hysteresis loop is in the range of P/P0=0.4-0.7. The catalyst formed from the molecular sieve as a solid acid not only has a good capacity of isomerization to reduce the freezing point, but also can produce a high yield of the product with a lower pour point. The process for preparing the catalyst involves steps including crystallization, filtration, calcination, and hydrothermal treatment.