国家/地区 中国（11）
IPC部 B（11）
IPC大类 B01（11） C02（6）
IPC小类 B01D（11）
IPC B01D069/08（11）
发明人 HONG J（3） WU S（2）
公开年 2017（6） 2018（5）
申请年 2017（11）
专利权人 RES CENT ECO.（2） UNITED ENVIR.（2）

Preparing graphene directional separation oxide film for treating sewage involves selecting aperture of micro-filtration membrane having pore diameter supporting layer, forming graphene oxide function layer, which has easy expansion.

WANG A, HAN J, XIA X, CHENG H, JIANG W, LIU M, DING Y

Polyvinylidene fluoride composite graphene filter membrane, comprises polyvinylidene fluoride homopolymer, dimethylacetamide, polyvinylpyrrolidone and modified graphene in specific mass parts.

DU J

Hollow fiber composite biofilm has tubular shape, outer hollow fiber membrane layer, outer layer of graphene oxide, biofilm layer, inner layer of graphene oxide, and hollow layer, and improves filtration effect microorganisms.

ZHANG K, CHENG W, ZHOU N

Formulation of vinylidene chloride-vinyl chloride copolymer film for preparation of porous film comprises inorganic additives comprising nano-silica or graphene sheet, thermal stabilizer containing epoxidized soybean oil, and diluent.

LIU H, QIUGUANG Z, LIN H, CHANGFA X, QINGLIN H

Organic ultrafiltration membrane comprises graphene oxide layer, polyamide layer, titanium dioxide particles, polyvinylidene fluoride hollow fiber organic ultrafiltration membrane and filter film pipe hole.

LI D, CHEN R, JIANG P, HUANG M, LI S, REN Y

Graphene-modified electrical antibacterial film used for graphene-modified electrical antibacterial treatment system comprises film shell, graphene-modified conductive hollow film wire, raw water inlet and outlet and water production outlet.

REN D, ZHANG P, ZHAO H

Reinforced type graphene modified polyvinylidene difluoride hollow fiber membrane comprises polyvinylidene fluoride, graphene, graphite powder, composite coupling agent, hydrophilic agent, solvent and pore forming agent.

HONG J, WU S

Preparation of graphene thin walled hollow plate inorganic membrane used e.g. for water treatment comprises immersing hollow plate inorganic membrane in graphene, polysulfone, dimethylacetamide and water, homogenizing and curing.

ZHANG Y

Preparing anti-pollution hollow fiber nanofiltration membrane by soaking ultrafiltration membrane in deionized water, preparing solution using e.g. graphene oxide, piperazine and surfactant, and soaking membrane in solution.

ZHAO C, YANG B, YU L, WANG J, CAO A

Graphene modified polyvinylidene fluoride hollow fiber ultrafiltration membrane comprises polyvinylidene fluoride, graphite, graphite powder, iron powder, coupling agent, hydrophilic agent, thinner and pore-forming agent.

HONG J, WU S