国家/地区 中国（5） 美国（2）
IPC部 B（7）
IPC大类 B01（7）
IPC小类 B01D（7）
IPC B01D071/38（7）
发明人 LIU J（2）
公开年 2022（2） 2023（2）
申请年 2021（3）  2022（2） 
专利权人

Composite pervaporation desalting film comprises separating layer with separating function and organic porous base film layer for supporting.

YU Z, ZENG Z, TANG X

Preparing magnesium oxide/graphene quantum dots/chitosanoligosaccharide/polyvinyl alcohol complex absorption membrane used in wastewater treatment by dissolving and spinning lyophilized magnesium oxide/graphene quantum dots/chitosan oligosaccharide nanocomplex powder in water with polyvinyl alcohol.

YANG G, AN X, CHE C, LIU J, GONG Z

Porous polymeric membrane useful for removing impurities from liquid compositions e.g. alcohols and ammonium hydroxide comprises a polymer having mixed in it a carbonaceous material.

MIR A A, JABER J A, PATEL R B, BOUDREAU A, KALYANI V

Membrane distillation, pervaporation system used for downstream recovery of fermentation product, comprises microwave unit, pervaporation system provided in fluid communication with membrane distillation system, and liquid nitrogen trap.

GUPTA O, ROY S, MITRA S

Preparing composite fibre film comprises adding graphene oxide and dopamine hydrochloride, stirring, adding polyvinyl alcohol into deionized water, heating, adding cotton fibers into deionized water, electrostatic spinning, adding amino-terminated hyperbranched polymer and shaking.

WUMING

Preparing sulfonated graphene oxide-zinc oxide-PSF complex ultrafiltration membrane comprises e.g. adding sulfonated graphene oxide/ethanol solution to zinc acetate/ethanol solution, stirring, adding hexane, sealing and refrigerating.

LIU Y, LIU J, WU J, QIU H, NI L

Nanofiber membrane material for filtering metallic ions e.g. ferric ion from wastewater, is prepared by performing spray spinning using graphene oxide, p-phenolic fluoroboron dipyrrole, polyvinylpyrrolidone (PVP) and polyvinyl alcohol (PVA).

LAN Q