国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D067/00（2） B01D069/12（2）
发明人 ZHANG C（3）
公开年 2019（3）
申请年 2019（2） 
专利权人

Preparation of functionalized graphene oxide composite film for separation of olefins and alkanes, involves surface treating porous ceramic carrier, diluting, mixing and subjecting to pressure filtration deposition.

YANG J, LI Y, ZHANG C, ZHAO Z, LIU L

Graphene composite material based method for preparing formaldehyde purifying agent, involves adding hydrazine hydrate solution, modified mixed powder, nano-zinc oxide/nano titanium dioxide composite material to precursor solution.

ZHANG C

Preparation of high-flux graphene oxide quantum dot composite nanofiltration membrane by dopamine-assisted deposition involves utilizing polyacrylonitrile ultrafiltration membrane, and performing carboxylation modification.

ZHANG C, ZHANG S, BAI Y, DONG L, LI M