国家/地区 中国（13） 韩国（5） 美国（5） 世界知识产权组织（5） 印度（3）
IPC部 B（26）
IPC大类 B01（26）
IPC小类 B01D（26）
IPC B01D039/20（26）
发明人 LIU S（3） SILVEIRA G R（3） WANG Q（3）
ZHANG K（3） BI Y（2） DU J（2）
LEE J（2） LEE J H（2） LEE M（2）
LIU M（2） SHA X（2） SHA Y（2）
WEI S（2）
公开年 2017（6） 2021（4） 2023（4） 2018（3） 2019（3） 2022（3） 2020（2）
申请年 2022（6）  2019（5）  2015（4）  2020（4）  2017（3）  2018（2） 
专利权人 GUANGZHOU KA.（3） AQUA DIVA GL.（2） NANTONG QIAN.（2） NUCLEAR IND .（2）
STANDARD GRA.（2）

Purifying agent used in industrial waste water treatment includes modified mixed flocculant including sodium hydroxide, sodium sulfide, polyferric sulfate, sodium polystyrene sulfonate and composite activated carbon filter element including activated carbon powder, and graphene oxide.

ZHANG K, ZHENG X, QIAO J, ZHAO Z, YANG X, LIN X, LIU F, LIU Y

Making active molecular filters used in gas and water system to control and catalysis of air and water pollution, comprises taking substrate in reaction vessel, activating it, and functionalizing the substrate.

GORADIA P

Making sintered nanoparticle compound used in enhanced filtration systems, involves providing zeolite, silver nitrate, silver dioxide nanoparticle and graphene; combining core element of zeolite; where zeolite core is impregnated with silver nitrate or silver dioxide nanoparticle.

SILVEIRA G R

Sintered nanoparticle compound for use in enhanced granulated activated charcoal compound for removing nitrates, nitrites, salts, odors, or taste from processed water for use in water filtration system, comprises zeolite, silver nitrate, silver dioxide nanoparticle, and graphene.

SILVEIRA G R

Production of carbon nanotube-based adsorption/filtration nanomaterial, comprises annealing carbon nanotubes to remove fullerenes and other by-products of carbon crystallization, where carbon nanotubes are subsequently immobilized on support substrate based on fibrous natural or synthetic material.

BOUSA D, BOUSA M, BOUSOVA K

System used for purification of water, comprises water passage, filtration pad comprising graphene oxide nanoparticles and silver nanowires fixed inside water passage, cotton pad fixed on filtration pad inside water passage, electrodes connected to cotton pads, and magnet.

AHMAD N, MAHDI I, SAXENA V, SHUKLA A, MISHRA H, IMAM S B, AMB M, SINGH D

Modified graphene oxide with nano metal particles used for e.g. treatment of water for human consumption, is prepared by mixing phosphorus pentoxide, graphite, sulfuric acid and potassium persulfate, stirring, vacuum filtering mixture and washing, and drying to obtain pre-oxidized graphite.

BERGAMASCO R, BAZANA S D L, BIADOLA Q L S, GOMES R G, FILHO B A D A, NAKAMURA C V, SUGUIURA D, OCAMPOS F T

Graphene composite antibacterial purification material used for particulate matter, comprises graphene, lignin, coconut shell activated carbon, nano-titanium dioxide, methyl cellulose, talc powder and deionized water.

WU J, LI T, CHEN L, QUE M, SUN Y, SUN J

Composite filter element useful in filter for emergency water supply, comprises multiple closely-connected hollow cylindrical filter layers, which are ceramic layer, composite adsorption layer, protective layer and activated carbon layer.

ZHANG K, WEI S, LIU M, BI Y, DU J

Sintered nanoparticle compound useful for sterilizing or treating water, comprises zeolite, silver nitrate, a silver dioxide nanoparticle, and graphene in which the zeolite is a core element impregnated with the silver nitrate and the silver dioxide nanoparticle.

SILVEIRA G R