国家/地区 中国（12）
IPC部 B（12） C（12）
IPC大类 B01（12）
IPC小类 B01J（12）
IPC B01J035/00（12）
发明人 CHEN X（2） LI J（2） LI Y（2）
ZHAO Y（2）
公开年 2021（9） 2022（2）
申请年 2021（12）
专利权人 CHINA PETROL.（2）

Iron-modified palladium-based hydrogenation catalyst useful in selective hydrogenation reaction of acetylene, comprises carrier, main catalyst palladium and promoter iron, and prepared by impregnating palladium salt solution and iron salt solution on carrier, drying and calcining.

PENG H, YUE Y, TIE K, YANG C, MAO Z, JIANG C

Catalyst composition useful for catalyzing methylation and/or propargylation reactions, and preparing pyraclonil, comprises e.g. graphene oxide and anion exchange resin, sodium bromide, potassium bromide, copper chloride, tetrabutylamine bromide, and tetrabutylamine iodide.

KONG F, CHEN L, SU W, SUN Y, ZHANG K, ZENG R

Esterification of purified terephthalic acid and 1,4-butanediol useful for producing polybutylene adipate terephthalate, comprises adding terephthalic acid, 1,4-butanediol and polymerization degree catalyst into a reaction kettle, introducing nitrogen, and reacting.

LIU G, LIU S, XU W, GUO T, HAN Y, ZHOU B, ZHENG L, LIU Y, HAO D, WANG X, CAO F, WANG C, WANG M, LI Z, LI J, ZHAO N, SHI C, SHI R

Preparing carbon material coated nickel nano-particle catalyst used for catalytic hydrogenation synthesis of halogenated aniline, involves dissolving nickel salt, organic ligand in alcohol solvent, dropping alkali liquor in mixed solution.

FENG F, ZHANG Q, LI X, YANG Y, LU C

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

Core-shell structure useful e.g. for reducing carbon dioxide photo-catalyst obtained from 3D honeycomb-shaped nitrogen-doped graphitic carbon frame carbon material and a copper-containing compound through a polymer heat treatment reaction.

HE L, ZHAO Y

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 palladium-gold-nickel-graphene catalyst used for dehydrogenating dodecahydroethylcarbazole, involves pre-processing carrier to using graphite oxide as carrier, putting the dried graphite oxide into ball mill tank.

WANG B, LI P, FANG T

Platinum catalyst supported on aminated graphene used for catalyzing hydrogenation of nitrobenzene to prepare p-aminodiphenylamine, comprises carrier comprising aminated graphene, and active component comprising platinum.

QIN T, WEI P, LIU Q, HONG Q, GUAN C, LIU Z, CHEN Y, WU Q

Single-atom iridium-based nano-diamond/graphene composite catalyst used for direct dehydrogenation of n-butane to produce butene, e.g. butadiene comprises iridium as active material and nano-diamond/graphene composite material as carrier.

LIU H, CHEN X, DIAO J