国家/地区 中国（9）
IPC部 B（9）
IPC大类 B01（9）
IPC小类 B01D（9）
IPC B01D071/68（9）
发明人 GAO C（4） SHEN J（3） XU Y（2）
公开年 2020（4） 2022（2）
申请年 2019（4）  2022（2） 
专利权人 UNIV ZHEJIANG TECHNOLOGY（9）

Preparing modified high-flux reverse osmosis membrane based on multi-dimensional graphene oxide used in sea water desalination technology, involves adding hydroxyl-containing diamine to graphene oxide dispersion liquid, and vacuum filtering to polysulfone ultrafiltration membrane.

LI X, SU T, LIU L

Preparation of strong organic solvent-resistant polysulfone separation membrane used in e.g. gas separation, involves dispersing nanoparticles of porous nanomaterial in solvent, adding bisphenol A polysulfone, preparing polysulfone membrane, crosslinking, washing crosslinked membrane, and activating.

GAO C, WEI H, YI Z

Preparing organic-inorganic hybrid separation membrane by mixing inorganic particles, film-forming polymer, solvent and water into uniform film casting solution, adjusting pH value of casting solution, and adding silane crosslinking agent, and immersing in water and converting into membrane.

FEI Z, YU J, FAN P, CHEN F, ZHONG M

Preparation of hydrophobic modified graphene oxide reverse osmosis membrane involves using polysulfone ultrafiltration membrane, m-phenylenediamine, trimesoyl chloride, octadecylamine modified graphene oxide and n-hexane.

SONG X, WU B, ZHOU Y, GAO C

Preparing graphene oxide-type nanofiltration membrane involves preparing a P (NIPAM-MAA) nanogel having temperature and pH response properties, dispersing the prepared P (NIPAM-MAA) nanogel and graphene oxide in ultrapure water.

SHEN J, LIU H, GAO C

Multi-effect coupling method of nanofiltration membrane for dye desalination, involves mixing graphene oxide solution and modified nano-titanium dioxide solution, dispersing and vacuum-filtering dispersion through polysulfone membrane.

SHEN J, XU Y

Production of nano-filtration membrane for dye desalination, involves placing mixed solution of titanium dioxide and graphene oxide on polysulfone membrane under certain pressure, pressing and stabilizing for uniform deposition.

XU Y, WU M, SHEN J, GAO C

Preparing guanidine-functionalized graphene oxide/polysulfone ultrafiltration membrane in wastewater treatment involves adding acylate carboxyl group on surface of graphene oxide by thionyl chloride, and amino coupling.

ZHANG G, ZHOU M, XU Z, MENG Q

Method for producing graphene oxide doped hollow fiber nano-filtration membrane, involves encapsulating hollow fiber ultrafiltration membrane as base membrane into module shell, ultrasonically mixing graphene oxide and active monomer.

WEI X, CHEN J, HONG J, WU J