国家/地区 中国（39）
IPC部 B（39） C（30）
IPC大类 B01（39） C02（25） C01（5）
C04（2） C10（2） C22（2）
IPC小类 B01J（39）
IPC B01J020/20（39）
发明人 WANG L（4） LIU Y（3） WANG Q（3）
ZHANG X（3） CHEN S（2） GUO W（2）
GUO X（2） HE J（2） JIANG L（2）
LI J（2） LI M（2） LI P（2）
LIU D（2） LIU J（2） RONG J（2）
公开年 2023（39）
申请年 2022（23）  2023（9）  2021（6） 
专利权人 CHINA PETROL.（5） RES INST PET.（4） LIUZHOU XING.（2）

Recycling nickel cobalt catalyst comprises soaking waste catalyst with nickel and cobalt in sulfuric acid, adding chitosan-graphene porous adsorption material, adsorbing amine, heating, adsorbing nickel-cobalt ions, replacing cobalt ions adsorbed by nickel ions, and separating nickel-cobalt ions.

ZHANG J, XU S, YANG Z, ZHOU S, XU Y

Synthesizing diethyl oxalate comprises e.g. placing oxalic acid, ethanol, toluene and catalytic adsorption solid material into the reactor and mixing, gradually heating the reactor from room temperature, and heating the esterification mixture.

ZHANG X

Preparation of molybdenum disulfide/porous carbon sphere composite material used for capacitance desalination, involves adding coal-based graphene quantum dots, sodium molybdate dehydrate, and thiourea to deionized water, subjecting to ultrasonic spray pyrolysis, washing, and freeze-drying.

AI L, XU M, GUO N, JIA D, LUO W, GONG X, WANG L

Graphene-based multi-stage composite separation material useful in spearing water-oil emulsion, obtained by soaking three-dimensional porous fiber filter material in graphene oxide dispersion liquid, drying, ultrasonic reacting and grafting with aqueous polyethyleneimine, heat treating and drying.

YIN K, HAN L, SUN L

Graphene nano-mineral material for water treatment, comprises graphene, nano mineral, coagulant aid, acidic salt and ferric trichloride, where graphene nano-mineral material further comprises outer packaging for containing graphene, nano mineral and coagulant aid.

JIANG L, WANG L, YUAN J, SONG P

Preparing magnetically reduced graphene oxide-based composite material used in field of oil-water separation, involves providing graphene oxide material, mixing oxidized graphene material, trivalent iron salt, amine compound and dispersing solvent uniformly to form graphene dispersion.

SHEN L, WANG G, ZENG Z, XU Y

Preparing nitrogen-doped reduced graphene oxide- based aerogel with a highly regularized structure used in adsorption material, comprises mixing graphene, nitrogen containing compound and reducing agent, performing gelation reaction to obtain hydrogel precursor; drying, carbonizing and cooling.

ZHANG R, MENG Q

Preparation of ion-graphene oxide decolorizer involves mixing graphene powder and sodium nitrate, adding concentrated sulfuric acid, stirring in an ice-water mixed liquid bath environment, and adding deionized water.

HUANG B, ZHANG M, DU J, HU C, HUA L

Electroplating wastewater adsorbent useful in wastewater treatment, comprises graphene oxide adsorption core, network-like composite crosslinked layer coated on the surface of the adsorption core, and sea urchin-like biological coke layer fixed on the surface of the composite crosslinked layer.

HOU J

Preparation of carboxyl graphene oxide/metal-organic frameworks composite material for absorbing heavy metal ion e.g. lead (II) in water, involves carboxylating graphene oxide, placing activated metal-organic frameworks material and carboxylated product in organic solvent, reacting, and drying.

XU R, WEI G, DIAO S, XIE Z, LI M