国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01J（4）
IPC B01J023/06（4）
发明人 CHEN C（2） GUO H（2） HOU B（2）
JIA L（2） LI D（2）
公开年 2021（3）
申请年 2021（4）
专利权人 INST COAL CH.（2）

Core-shell composite catalyst useful as catalyst in one-step preparation of p-xylene by syngas, comprises core with spinel structure catalyst, and shell has molecular sieve catalyst, and binder layer set between core and shell.

TAKA U, TSUBAKI N, YANG G, CHUN F, GAO C

New metal oxide based catalyst useful for catalyzing transesterification reaction of cyclic carbonate and alcohol to produce aliphatic carbonate.

HOU B, JIA L, CHEN C, GUO H, LI D

Pretreating catalyst for synthesis of cyclic carbonate, comprises performing first pretreatment of metal oxide-based catalyst in tube furnace in nitrogen or argon atmosphere, and performing second pretreatment of catalyst under carbon dioxide-containing mixed gas.

HOU B, JIA L, CHEN C, GUO H, LI D

Preparing monatomic solid base catalyst used in transesterification, Knoevenagel and Michael addition reactions, comprises dissolving alkali precursor in solvent with carrier material to obtain pretreated sample.

SUN L, PENG S, LIU X, SHAO X