国家/地区 中国（15）
IPC部 B（15） C（9） D（3）
IPC大类 B01（15） C02（8） D01（2）
IPC小类 B01D（15）
IPC B01D071/42（15）
发明人 YU H（3） LIU S（2） LIU Y（2）
PAN G（2） ZHANG Y（2）
公开年 2021（8） 2022（4） 2023（3）
申请年 2021（15）
专利权人 BEIJING RES .（2） CHINA PETROL.（2）

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

Graphene separation film used in total organic carbon analyzer for testing and monitoring of purity of drinking water and process water, comprises support layer and separation layer, which is double-layer graphene film with nanopores.

ZHANG S, SUN J, YAO A, HOU D, ZHANG D, WANG L

Lead ion selective adsorption polyacrylonitrile ultrafiltration membrane useful in field of lead ion wastewater treatment, comprises support layer and polyacrylonitrile separation layer (including nanoparticles surface-modified by phosphoramidate compound).

YU H, ZHANG Y, PAN G, LIU Y, ZHAO M

Method for preparing nanomaterial film loaded with microorganisms used in sewage deodorizing device used for deodorization of sewage, comprises e.g. mixing graphene and polyacrylonitrile, electrospinning, weaving, subjecting graphene-polyacrylonitrile-plant fiber film to hydrothermal carbonization.

CAI H, ZHU R, XIANG Y, YAO F, LI C, CAI C

Porous separation membrane with adsorption performance used in e.g. water pollution monitoring, comprises polymer layer and optional support layer, where surface and interior of polymer layer are three-dimensional fiber structures and adsorbent is dispersed in polymer layer.

YU H, ZHANG Y, PAN G, ZHU X, LIU Y

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

Manufacturing hollow fiber film used as polysulfone film, involves preparing film main unit, solvent, pore-forming agent, heating, stirring to form material liquid, and processing material liquid through conveying pump to spinning plate.

PENG Z, FANG L, CHANG Z, LIANG E

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

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

Seawater desalination nanofiltration membrane comprises polyvinylidene fluoride, graphene chitosan composite nanoparticles, piperazine, and trimesoyl chloride.

WU S, LONG J, LI P, REN W