国家/地区 中国（12）
IPC部 B（12） C（12）
IPC大类 B01（12） C02（7） C07（3）
C08（2）
IPC小类 B01J（12）
IPC B01J020/30（12）
发明人 WANG L（4） JIANG L（2） SONG P（2）
YUAN J（2）
公开年 2023（12）
申请年 2023（12）
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

Preparing high-purity m-xylene comprises e.g. contacting the mixed xylene with the adsorbent, discharging the raffinate, then contacting the desorbent with the adsorbed adsorbent, mixing the first part of m-xylene with the second part of m-xylene, cooling, crystallizing, and washing.

XIE P, YAN C, MENG L, FANG X, PAN Y, LI Z, XU X, LIU X

High strength polysaccharide-inorganic nanoparticle composite column is prepared by adding different inorganic nano-particles, transferring obtained emulsion to stainless steel or glass column pipe with rubber plug at one end by injector, and utilizing peristaltic pump to circulate mixed solution.

LI J, LI Y, QU 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

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 composite aerogel for adsorbing organic pollutant in water body, involves reacting e.g. phenol and formaldehyde, adding e.g. pore-forming agent, thermally polymerizing, dispersing e.g. obtained phenolic resin nanosheet and graphene oxide in water, reacting, dialyzing and freeze-drying.

LIU T, WU Y, LAN Q