国家/地区 中国（4） 韩国（3）
IPC部 C（8）
IPC大类 C02（8） B01（4）
IPC小类 C02F（8） B01D（4）
IPC C02F001/00（8）
发明人
公开年 2017（6） 2016（2）
申请年 2015（8）
专利权人 HEFEI LONGJI.（2）

Treating waste water involves putting carboxylated graphene in oxidized graphene aqueous solution, adding sodium hydroxide and chloroacetic acid, mixing, reacting, separating, washing to obtain graphene oxide product and mixing oligomers.

Preparing agent useful for e.g. treating water, by mixing acrylamide oligomer grafted with graphene oxide, polyacrylamide and polydimethyl ammonium chloride, adding polyaluminum silicate and sodium bicarbonate and mixing product.

Graphene filter system for recycling dishwater and wastewater from factory, has collecting container that is provided with collecting bag at discharge portion of turbo fan, and heater that is installed on outside of cyclone casing.

HO E Y, PUNG E J, WON E J

Water-treatment apparatus has oxide graphene contact unit that filters first enriched water and second enriched water flowed in with filtering element and produces third processing water.

YANGHUN C, SANGJUNG L, KYUNG H K, KOO Y L, MIN G H

Producing graphene filter useful in water purification device for purifying sewage, comprises e.g. electrospinning polymer dissolved solution on surface of substrate formed with mesh and crossed with steel strip to form intervening layer.

YOON S G, AN S P, GU Y S, PIL A S

Graphene sewage purifying agent comprises bentonite, nano kaoline, kieselguhr, graphene, polyacrylamide, gypsum powder, aluminum oxide powder, activated carbon and deionized water.

WEI Z

Graphite alkenyl metal film filter device comprises separating chamber set with sewage cavity, separation cavity, holding screen located at one side of supporting net, and supporting network provided with lipophilic graphene membrane.

ZHANG Z, HAN L

Graphene-based membrane useful for e.g. removing ions from water , comprises at least two graphene-oxide layers comprising many graphene-oxide flakes that comprise a planar graphene structure with oxygen moieties extending from it.

YU M