国家/地区 中国（9） 美国（2）
IPC部 B（12）
IPC大类 B01（12）
IPC小类 B01J（12）
IPC B01J020/30（12）
发明人 CHEN R（2） FENG P（2） LAI D（2）
NIU J（2） OU X（2） QIANG Y（2）
WANG D（2） ZHANG S（2）
公开年 2021（12）
申请年 2021（8）  2020（4） 
专利权人 UNIV CHINA M.（2）

Preparing doped graphene hydrogel comprises e.g. adding graphene into distilled water, adding doping agent into dispersed graphene, stirring, stirring at certain temperature, initially forming graphene-doped hydrogel and filtering.

MA X

Preparing nitrogen-doped reduced graphene oxide nano-composite for treatment of phenolic wastewater, involves mixing chitosan, glacial acetic acid and water to obtain chitosan acetic acid aqueous solution, and mixing graphene oxide.

LI Y, WANG Q, ZHAO R, LI Z, WU T

Preparing carbon material useful in free radical scavenging, and adsorption of cationic dye pollutants in wastewater comprises pre-carbonizing folium artemisiae argyi, adding activating agent, and low temperature carbonizing.

YANG R, ZENG H, HONG M, QU L

Composition used to remove persistent organic pollutant from water supply, and remove heavy metal from water supply comprises zeolite substrate, and nanosheets comprising graphene oxide and/or reduced graphene oxide and is adhered to zeolite substrate.

ZHANG Y, MANJILI M, GARMAN D, DA SILVA M R Q

Adsorbent material for removing contaminants from water, includes graphene oxide plates cross-linked by branched polymer nanoparticles.

GEITNER N

Preparation of graphene-zinc oxide three-dimensional porous composite material used in sewage treatment, involves mixing graphene oxide, reducing sugar, zinc salt and solvent to obtain dispersion liquid, and adjusting pH of dispersion and then heating and cooling.

LIU K, SHANG Y, SUN G, ZHANG J, YAN M

Preparing graphene modified material comprises e.g. adding graphene, iron salt and ferrous salt into water, ultrasonic blending, annealing, cooling, filtering, modifying graphene, grafting filtering, washing, freezing and drying.

FAN L, GE D, DU J, LIU Z, CHENG Z, XING C

Preparing nitrogen-doped graphene quantum dot hybrid film, comprises e.g. dissolving citric acid and urea in water, stirring to form clear solution, adding into reaction kettle, heating, and adding reacted solution into petri dish.

LIU J, PANG B, WANG F

Preparing amidated graphene aerogel by reacting sodium hydroxide and monochloroacetic acid with graphene oxide, centrifuging to get primary carboxylated graphene, dispersing in pure water, reacting with ethylenediamine, and post-treating.

JI G, LIAO Y

Preparing palygorskite-titanium dioxide-graphene quantum dot composite photocatalyst water cracking hydrogen production comprises e.g. mixing nitric acid and deionized water to form dilute nitric acid solution, mixing isopropanol, titanate.

NIU J, LAI D, CHEN R, WANG D, ZHANG S, OU X, FENG P, QIANG Y