国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D017/02（2）
发明人 SONG C（3）
公开年 2019（2）
申请年 2019（3）
专利权人 CHINA PETROL.（3） SINOPEC SHEN.（3）

Preparation of graphene-polyurethane composite filter membrane for separating oil and water, involves adding dopamine hydrochloride to tris-hydrochloric acid buffer solution, stirring, centrifuging, collecting precipitate, and drying.

WANG X, HAN Z, SONG C, XIU C, WU X, ZHANG Y, CAO J

Oil-water separation kettle graphene film filtering method, involves connecting vertical pipe with liquid kettle that is opened on tube body of outlet, and connecting outer side of liquid outlet port with liquid outlet pipe.

WANG X, HAN Z, SONG C, CAO J

Graphene filtering film based oil-water separation kettle, has top cover whose vertical part is connected with feeding pipe in sliding manner, and kettle body horizontally arranged with graphene filtering film that is connected with screw rod.

WANG X, HUANG S, HAN Z, SONG C, CAO J