国家/地区 中国（8） 印度（2）
IPC部 B（11） C（5）
IPC大类 B01（11） C02（3）
IPC小类 B01D（11）
IPC B01D061/14（11）
发明人 ZHANG Y（2）
公开年 2023（11）
申请年 2023（5）  2021（4）  2022（2） 
专利权人

Composite film used for selectively separating cation in water environment, comprises supporting layer and functional layer located on surface of supporting layer, where functional layer comprises seed layer, and metal-organic framework layer located on surface of seed layer.

LU C, HU C, CHEN Z, QU J

Preparing aluminum oxide ceramic plate film used in sewage treatment, comprises setting intermediate sacrificial layer and functional film layer on aluminum oxide ceramic substrate, and removing intermediate sacrificial layer.

LI X, GAO G, ZHOU H, WANG Y, ZHANG N, LIU X

Anti-pollution ultrafiltration membrane useful in process of filtering solution containing organic matter, comprises e.g. ultrafiltration base membrane and modified layer, where ultrafiltration base membrane is polyacrylonitrile and/or polyvinylidene fluoride.

GUO H, ZHANG M, HONG Z, MA H, YU T, XIE Q

Process for 5-hydroxymethyl ether formation involves using ionic liquid catalyst of fructose in corresponding alcohol and adding to N,N-dimethylacetamide methanesulfonate, refluxing reaction mixture, cooling and isolating desired ether product under reduced pressure and reusing recovered alcohol.

DUTTA S

Covalently cross-linked graphene oxide nanofiltration membrane useful in nanofiltration, reverse osmosis and oil-water separation, has e.g. single graphene oxide material without any exogenous crosslinking agent participating in crosslinking, and interception objects are small neutral molecules.

XU X

Interfacial polymerization of hollow fiber organic filter membrane into polyamide membrane, comprises e.g. doping hydrophilic modified particles into molten liquid paraffin to form plugging solution, sealing outer surface of organic filter membrane, immersing in polyacyl chloride oil phase solution.

ZHOU L, LI S, WEN H

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

Non-powered passive drinking water purifying device supplying safe water to small communities comprises storage tank in which water to be purified is stored, and manual actuator for pumping water contained in storage tank using hand or foot.

KIM E W, KIM M K

Preparing mixed film by uniformly controlling two-dimensional material-organic silicon used in dehydration and separation of pervaporation acidic solution, involves dissolving organic alkoxy silane in solvent, adding catalyst and water, hydrolyzing and polymerizing to obtain organic silica sol.

MIAO M, ZHANG Q, MAO Z, ZHANG Z, LIU R, REN J, ZHONG J, WU Z, REN X

Hollow fiber ultrafiltration membrane for removal of heavy metals including arsenic, comprises polyphenylsulfone as base polymer, polyvinylpyrrolidone as pore-forming agent, and polyvinylpyrrolidone as hydrophilic polymer.

TODETI S R, NAYAK C M, KUMAR M, ISLOOR A M