国家/地区 中国（17）
IPC部 B（17） C（5）
IPC大类 B01（17） C02（4）
IPC小类 B01D（17）
IPC B01D061/02（17）
发明人 LIU G（2） LIU S（2）
公开年 2021（9） 2022（6） 2023（2）
申请年 2021（17）
专利权人

Preparing reverse osmosis membrane useful for desalination of boron sea water, comprises e.g. contacting base film with polyamine monomer solution, obtaining polyamide layer, heating, immersing in diethanolamine solution, immersing reverse in carboxy activator solution, coating and post-treating.

LIANG S, HU L, XIAO J, LIU G, YANG X

Hollow fiber solvent-resistant nano-filtration membrane useful e.g. for separation and purification of organic solvent system, comprises base film and separation skin layer, where base film material is polyimide of generating crosslinking reaction with polyamine compound.

LIU S, LV X, JIANG Y, LI S, SU J, SU B

Mop cleaning bucket for rinsing and de-drying clean water by circulating and filtering sewage, has water column for drawing water from water purification area to clean mop cloth to form sewage that flows to water outlet through inclined surface.

WU C

Preparation of graphene oxide modified composite nano-filtration membrane used for treating heavy metal waste water, involves mixing graphene oxide dispersion liquid and nano-particle dispersion liquid, ultrasonically reacting, immersing membrane in dopamine solution, cleaning and drying.

WANG S, GUO X, LIU J, WANG J, ZHAO Y, JI Z, YUAN J, FEI L, ZHOU J, LI F

Preparing multilayer polyamide film composite reverse osmosis membrane, comprises e.g. preparing polysulfone-based membrane, preparing chitosan complexed silver antibacterial agent, and immersing film containing top polyamide layer in protective layer modification solution.

ZHONG C, SUN F, ZHU Y

Organic solvent nanofiltration membrane and/or organic solvent reverse osmosis membrane for nanofiltration of solvent, comprises composite mixed matrix material comprising solvent-resistant polymeric matrix with functional groups suitable for crosslinking, and inorganic material.

GAO Z, CHUNG T, NADERI A, WEI W, PAN G Z, TAIWIN C, WEIWAN, ZHONG T

Reverse osmosis membrane with good anti-oxidation effect comprises winding frame, where left side fixedly connected with outer surface of winding frame is limiting plate, right side of outer surface and right winding of limiting plate.

HU K

Reverse osmosis membrane based on polysulfone material, comprises support frame that is polyester knitted fabric after stiffening, and dense layer that is polyamide layer doped with graphene oxide.

WANG Z, LI Z, PAN P

Removing radionuclides in solution by using carbon-based nanofiltration membrane by using carbon-based nanofiltration membrane to filter initial radioactive solution comprising radionuclides containing radioactive cobalt, radioactive nickel, and radioactive zinc.

LIAO Y, LU J, YAO H, LIU G, CAO L, XIA X, ZHOU F

Composite nano-fiber filter screen, comprises a base layer compounded together, an intermediate layer and a surface layer, where the base layer is a polyethylene terephthalate (PET) base material, the middle layer is a graphene conductive layer, and the surface layer is a electret nano-fiber layer.

ZHENG J, YU H, GAO T