国家/地区 中国（7）
IPC部 B（8）
IPC大类 B01（8） C02（4） B82（3）
C07（3）
IPC小类 B01J（8）
IPC B01J023/30（8）
发明人
公开年 2021（8）
申请年 2021（5）  2020（2） 
专利权人

Tungsten single-atom catalyst having graphene substrate useful for selective hydrogenation reduction of halogenated nitrobenzene to halogenated aniline, prepared by e.g. adding ammonium tungstate and ethylenediamine into aqueous dispersion of graphene oxide and pyrolyzing obtained graphene aerogel.

ZHANG F, FAN X, CAI A, LI Y

Transition metal single atom active catalyst comprises single atom transition metal as active component, active carbon, carbon nano tube, graphene, nano-diamond, any one of the graphitic carbon nitride as the carrier.

WU K, SUN S, YANG M

Preparing near infrared photo-thermal catalyst used in photo-thermal catalysis field for cycloaddition reaction of carbon dioxide and epoxide, involves mixing the graphene oxide dispersion liquid and dehydrating agent.

LI B, CHEN X, WU L

Preparing modified graphene/tungsten-based nanosheet/magnesium-zinc oxide composite material comprises e.g. dissolving indium selenide, tungsten-based compound in organic solvent, adding to graphene solution, adding zinc and magnesium salt.

LONG H, HU J, DONG H, WU F, ZHANG X

Preparing tungsten oxide/carbon-based nano-composite hydrosol useful in e.g. adsorbing and recycling rare earth ion and heavy metal ion in wastewater, comprises nano tungsten oxide, graphene oxide and carboxylated carbon nano-tube.

ZHOU W, LI G, LIN H, YE J, CHEN L, YU D, PENG R, LIU Y, CHEN W

Method of recycling of sludge waste for producing lubricant, involves e.g. receiving dry sludge powder from forging process and removing iron and iron oxide from dry sludge powder to obtain powder comprising predefined amount of graphite.

KALYANI B N, KALYANI A, KALYANI R, PUSHPAKANTH S, NAGARAJAN N, SRINIVASAN B, KUMAR S I

Preparing high-concentration molybdenum-doped tungsten trioxide photo-catalytic nano-material comprises e.g. placing tungsten ore in crusher to obtain tungsten ore particles, sieving, and placing ore particles in ball mill, and stirring.

ZHAO T, DONG M, ZOU M, TANG S, SONG L

Activated carbon used for synthesizing glyphosate by catalytic oxidation, is prepared by preparing pre-carbonized products made of straw or fruit shell, immersing in microsphere solution made of e.g. tetrahydrofuran, heating and activating.

WANG J, DAI Z, HUI J