国家/地区 中国（8） 美国（2）
IPC部 B（10）
IPC大类 B01（10）
IPC小类 B01D（10）
IPC B01D071/34（10）
发明人 LI W（2） LIU H（2）
公开年 2022（10）
申请年 2022（8）  2021（2） 
专利权人

Preparing dual-drive type super-hydrophilic photothermal film comprises performing primary heat pressing super-hydrophilic photo-thermal conversion nanofiber film to improve integrity, folding, and performing secondary heat-pressing and shaping.

HONG Y, SUN W, ZHANG G, CAO J, ZHU T, LIU D

Membrane bioreactor wastewater processing system comprises anoxic tank for removing nitrogen in wastewater, and coagulation tank injecting coagulant into supernatant water introduced from second space portion of anaerobic tank.

JEONG S, JOSUNGKUN, LEE C, LEE J, CHOI J W

Preparing nano-filtration purifying membrane for emergency drinking, comprises mixing polyvinylidene fluoride, dopamine hydrochloride, polyethyleneimine, quaternized polyethyleneimined and dimethyl acetamide and reacting.

ZHAO L, JIANG W, ZHANG S, KANG P, GU L, XU M

Membrane separation system comprises membrane module, and membrane positioned within membrane module, where membrane includes immobilized nanocarbon on membrane surface and within pores to define nanocarbon-immobilized membrane.

PAUL S, ROY S, MITRA S

Preparation of film useful for photothermal film distillation device, involves e.g. uniformly dripping Tris solution containing dopamine hydrochloride on hydrophobic polyvinylidene fluoride film, placing in vacuum suction filter bottle, adding graphene oxide-thiourea solution, and suction-filtering.

WANG Y, LIU H, HU Z, LI W

Preparing graphene oxide-titanium dioxide/poly(vinylidene fluoride) composite ultrafiltration membrane comprises e.g. preparing different graphene oxide-titanium dioxide nanocomposites, dispersing it in dimethylacetamide, stirring with poly(vinylidene fluoride) and polyethylene glycol, and casting.

WANG M, YANG B, LIU H, XU H, YUE Q, JI X

Preparation of modified polyvinylidene fluoride film for treating organophosphorus pesticide wastewater, involves dissolving pure polyvinylidene fluoride material in dimethylformamide, and coating surface of braided tube with obtained polyvinylidene fluoride solution, forming film and drying.

LI J, LI W, JI H

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 method of polyvinylidene fluoride membrane modified by polydopamine synergistic nanoparticles used in water purification, involves dissolving polyvinylidene fluoride and porogen in organic solvent, stirring, adding nanoparticle-doped polydopamine powder, heating and stirring uniformly.

YUAN A, YANG J

Preparation of nano-filtration membrane of graphene oxide used in decoloring waste water, by coating dispersion liquid containing graphene oxide on base film, crosslinking graphene oxide by polyamine and post-treating by sodium hypochlorite.

ZHANG Y, CHEN H, DU X, ZHU X, ZHANG X, HE Y, KE Y