国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B01（2）
IPC小类 C07C（2）
IPC C07C201/12（2）
发明人 CHEN Y（2）
公开年
申请年
专利权人

Preparation of p-nitrophenol comprising adding p-nitrochlorobenzene and aqueous sodium hydroxide solution, stirring, raising temperature, adding sulfuric acid solution to obtain reaction solution, separating oil layer by oil-water separation and subjecting oil layer to ultrafiltration.

CAO M, YAO X, XIONG G, HUANG Z, GUO X, CHEN Y, CHEN B

Preparing graphene-supported tin-tungsten bimetallic catalyst used for preparing aldehyde or ketone, involves dispersing graphite oxide in water, ultrasonically stripping, and then adding e.g. sodium tungstate dihydrate and tin salt.

DAI L, XU S, ZHANG L, WANG X, CHEN Y