国家/地区 中国（5）
IPC部 B（8） C（5）
IPC大类 B01（8） C02（3）
IPC小类 B01D（8）
IPC B01D071/68（8）
发明人
公开年 2021（8）
申请年 2020（8）
专利权人

Preparation of polymer-supported graphene membrane used in gas filter, involves providing graphene membrane on sacrificial support, providing solution of polymer in organic solvent, and covering graphene membrane with polymer solution.

AGRAWAL K V, BABU D J, VILLALOBOS L F

Preparing graphene-containing mixed film, comprises e.g. using strong oxidant to oxidize layered graphite powder to form layered graphene oxide with carbonyl, carboxyl and epoxy groups, and mixing Dimethylformamide and graphene oxide.

LIN C, LIU T, CHUANG Y, WEI H, HSU N

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

Reverse osmosis membrane comprises polyethylene microporous membrane, polysulfone layer coated on polyethylene microporous membrane and polyamide layer coated on polysulfone layer.

UNANNOUNCED I

Preparing graphene polysulfone ultrafiltration membrane comprises e.g. preparing graphene powder, dissolving graphene powder in organic solvent, adding polysulfone, polyvinylidene fluoride, removing redundant solvent and stretching.

REN G, MA L, LIU S

Preparing graphene oxide (GO)-polysulfone (PSF) composite film selection layer for membrane bioreactor, by adding PSF particles to dimethylacetamide solution, adding GO particles, stirring, and forming casting liquid film on base film.

ZHOU Z, XU X, WU Q, ZHENG T, YUAN H, HAATO T

Enzyme-like ligand-loaded complex ultrafiltration membrane useful for water treatment for removing small-molecule micro-pollutants, comprises modified organic membrane and enzyme-like ligand loaded on modified organic membrane.

SHENG G, ZHANG H, ZHANG X, GUO P

High-throughput hollow fiber desalting film comprises porous carbon nanosheet, high molecular resin powder, N, N-dimethyl acetamide, hydrophilic agent, and pore-forming agent.

QIN Y, ZENG F, QIAN C