国家/地区 中国（5） 印度（3） 美国（3）
IPC部 B（13）
IPC大类 B01（13） C02（13）
IPC小类 B01D（13）
IPC C02F001/28（13）
发明人 LIU J（2） RAJ S（2） SILVEIRA G R（2）
公开年 2023（13）
申请年 2022（10）  2021（2） 
专利权人 AQUA DIVA GL.（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

Preparing amino and pyrenyl group-modified alginic acid derivative useful in e.g. formaldehyde absorption, comprises e.g. acidifying sodium alginate, adding N,N'-dicyclohexylcarbodiimide, 4-dimethylaminopyridine, deionized water and ethylenediamine, freeze-drying, and adding 1-pyrenebutyric acid.

XIA Y, WANG X, LIU H, GONG X, LIU J

Graphene reverse osmosis composite membrane, prepared by pouring graphite oxide and silver nitrate aqueous solution into stirring device and mixing and stirring to obtain pre-coating, centrifugal washing the obtained paint.

CHEN Z, DING F, DAI H, WANG Y

Preparing modified sludge activated carbon for desulfurization and denitrification, VOCs gas adsorption, heavy metal ion adsorption in sewage, soil management field, involves using sludge particles, charring agents and binders as raw material, mixing raw materials.

TONG S

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

Method for synthesizing medium for fast, selective oil-water separation and/or oil absorption, involves immersing porous wool-like structure in toluene solution containing polymer or its mixture, and heat-treating, where polymer or its mixture is adapted such that medium is superwetting material.

KANNARPADY G K, ABDULHUSSEIN A T, BIRIS A S

Method for re-extracting oil through water treatment of bilge wastewater comprises using graphene filter for purifying bilge wastewater, then compressing and adsorbing nano grade graphene on MB filter non-woven fabric with high heat.

HWANG J

Synthesizing PSF (polysulfone) embedded graphene oxide-iron/manganese hybrid beads for removal of toxic metals from aqueous solution, involves synthesizing graphene oxide sheets by using definite amount of graphene oxide dissolved in ultrapure water and sonicating in specific characterizing speed.

BHATTACHARYA J, DAS B K, SINGH H, RAJ S

Violuric acid functionalized reduced graphene oxide based nanocomposite adsorbent for removing heavy metals, has size in specified range that helps in maximum removal of heavy metals like mercury, arsenic, and lead in desired contact time.

DAS S, RAJ S, DAS T, MAL S, KUMAR R, KUMAR P