国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2） C07（2）
IPC小类 B01J（2）
IPC
发明人 ZHANG X（2）
公开年
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

Preparation of 2,3-dichloropyridine involves obtaining graphene-copper oxide composite catalyst, adding 2-chloro-3-aminopyridine and concentrated hydrochloric acid, cooling, adding solution of sodium nitrite, and further processing.

ZHANG L, SI N, ZHANG X, ZHOU Y, SHI L, ZHANG J