国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01J（2）
IPC B01J023/34（2）
发明人
公开年
申请年 2021（2）
专利权人

Preparation of ammonia oxidation catalyst used for synthesizing methacrylonitrile, by respectively dissolving high valence state manganese precursor and low valence state manganese precursor into deionized water and mixing.

LU W, ZHANG Z, HU S, ZHANG D, ZHANG W, LIU K

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