国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D067/00（3）
发明人
公开年 2019（3）
申请年 2019（3） 
专利权人

Preparing nanofiltration membrane for reducing chromaticity of sewage involves synthesizing graphene oxide, configuring as dispersion, and using ultrafiltration membrane separation to obtain small-sized graphene oxide dispersion.

ZHAO F, LIU H, WANG L, PEI Y, GENG C, NIU H, JIANG J, WANG Y

Multilayer crosslinked graphene oxide useful for preparing reverse osmosis membrane, comprises graphene oxide layer crosslinked by using crosslinking agent to form nano-multilayer crosslinked graphene oxide.

GAO X, WANG X, SONG N, WEI Y, SU B, GAO C

Composite film for e.g. pervaporation and separation of preferred alcohol-soluble butanol/water, comprises polymer film and organic amine-modified graphene oxide powder arranged in polymer film.

WU Y, TANG W, WU H, HUANG H