国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B01（2） C07（2）
IPC小类 B01J（2）
IPC B01J027/14（2）
发明人
公开年 2023（2）
申请年
专利权人

Preparing catalyst useful for synthesizing caprolactam, comprises stirring and mixing raw materials including graphene oxide, phosphorus source and solvent, and subjecting mixture to solid-liquid separation, washing, drying, and roasting in nitrogen or inert gas atmosphere.

KONG M, HAN M, ZHANG X, DAI Y, XU L, DING K, GUO H, WANG G

Preparing a oxidation catalyst, comprises e.g. using aqueous solution containing boron and phosphorus to impregnate the carbonaceous material, drying and performing first roasting to obtain boron and phosphorus-doped carbon carrier and mixing with active metal component compound solution.

ZONG B, RONG J, DU Z, CHEN G, SUN Q, ZHAO H, ZHENG L