国家/地区 中国（9）
IPC部 B（10）
IPC大类 B01（10） C02（7）
IPC小类 B01J（10）
IPC B01J020/20（10）
发明人 WANG L（4） JIANG L（2） SONG P（2）
YUAN J（2）
公开年 2023（10）
申请年 2023（10）
专利权人 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

Removing heavy metal ion from polluted air involves contacting the heavy metal polluted air with graphene oxide gel comprising graphene oxide three-dimensional nanosheet prepared by organometallic compound for period of time and under conditions sufficient to permit adsorption of heavy metal ion.

GULERIA K, JANA R

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

Multilayer film of graphene oxide-polymer microgel used as adsorbent for removal of dye, is formed by alternately depositing polymer microgel and graphene oxide on quartz sheet or silicon wafer substrate by layer-by-layer self-assembly.

JIANG W, LI L, WANG J, MIAO S, ZHANG R, SHI X, LI X, WANG L, MA S

Preparation of graphene oxide felt used for microwave absorption, involves adding zinc acetate to ethanol, stirring, adding graphite oxide hydrosol, stirring, suction filtering, removing impurity, rinsing, removing suction filtration film attached to graphene oxide felt, and drying.

LIN L, CHEN Y, WANG Y, QUAN B

Water purification powder, comprises nano minerals, graphene oxide, adhesive, flocculating agent and poly settling agent.

JIANG L, WANG L, YUAN J, SONG P