国家/地区 中国（4） 世界知识产权组织（4） 美国（3） 日本（2） 韩国（2）
IPC部 B（9）
IPC大类 B01（9） C02（6） C01（3）
C08（2）
IPC小类 B01D（9）
IPC B01D071/56（9）
发明人
公开年 2021（9）
申请年 2020（5）  2021（3） 
专利权人

Preparing composite forward osmosis membrane for e.g. seawater desalination, by soaking electrospun nanofiber supporting layer with intermediate layer in calcium chloride solution, washing, soaking in sodium carbonate solution, washing and preparing polyamide selective separation layer.

LIU H, YU L, CHEN D, YU Y

Composite membrane used for separating gas from gas mixture, comprises selective layer comprising polymeric matrix comprising amine polymer, graphene oxide nanofiller, and mobile carrier chosen from ionic liquid and amino acid salt, coated on support.

DENG L, JANAKIRAM S, ANSALONI L, DENG Y L, ANSARONI L

Gas separation membrane element used in gas manufacture, comprises central tube for accumulating permeated gas, and gas separation membrane spirally surrounded by tube and comprising porous support film having arithmetic-mean surface roughness and separation functional layer containing graphene.

TOKUYAMA T, IIZUKA R, YAMADA H

Extracting lithium from aqueous lithium source, comprises removing dissolved calcium ions and/or dissolved magnesium ions by nanofiltration, removing water by reverse osmosis, and electrochemically extracting dissolved lithium ions.

ALYOUSEF Y M, ALRASHEED R, AL JILIL S, HIPPAUF F, ABENDROTH T, ALTHUES H, KASKEL S

Nanoporous membrane used in filter, comprises two-dimensional material permeated by pores which are blocked by polymer derived from monomer and comprising population of pores having average pore diameter.

KIDAMBI P R, CHENG P

High-flux nano-composite film comprises base film, ultra-thin hydrophilic mixed matrix modified layer formed by co-depositing two-dimensional nanomaterial and polyvinyl alcohol, and polyamide separation skin layer.

SU B, ZHANG J, LI S, HAN L

Halloysite nanotube/graphene oxide oil-water separation membrane used for treating marine oil spills, comprises nylon bottom film as support layer and having preset thickness, and halloysite nanotube/graphene oxide layer loaded on film.

LIU E, DU S, ZHANG Z, ZHANG X

Producing polyamide complex membrane using a sulfur-doped nano-carbon material comprises preparing carbon composition by homogeneously mixing a nano-carbon material with sulfur, heating carbon composition, homogenizing, and drying.

SONG P, KIM N, SUK M H, JUNG H W, KIM J, LEE J S

Membrane for treating feed water, comprises interfacially formed polyamide layer on microporous support film, and graphene oxide quantum dots attached to surface of polyamide layer having preset permeate flux and salt rejection performance.

SUN P B, LI J C, KOHLER L