国家/地区 中国（8）
IPC部 B（8）
IPC大类 B01（8） C07（8）
IPC小类 B01J（8）
IPC C07C209/36（8）
发明人 HAN D（2） LIU P（2） LIU Y（2）
XIONG W（2） YANG Y（2） ZHANG F（2）
公开年 2021（6） 2022（2）
申请年 2021（8）
专利权人 CHINA PETROL.（2） SINOPEC NANJ.（2） SINOPEC NANJ.（2） UNIV XIANGTA.（2）

Preparing non-metallic catalyst useful for liquid-phase hydrogenation of nitroaromatics, comprises e.g. ultrasonically stripping graphene oxide aqueous solution, reducing graphene oxide working solution, filtering, freeze-drying, placing hydrothermal rGO and naturally cooling.

LIU Y, XIONG W, HAN D, LIU P

Preparation of nitrogen-doped graphene catalyst used in liquid-phase hydrogenation of nitroaromatic hydrocarbon compound, involves ultrasonically stripping graphene oxide aqueous solution, adding graphene phase carbon nitride, hydrothermally-treating, filtering, drying, heating and cooling.

LIU Y, XIONG W, HAN D, LIU P

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

Supported porous nano-platinum ruthenium alloy catalyst used for hydrogenation reaction of ortho, meta, and p-chloronitrobenzene to prepare ortho, meta, and p-chloroaniline, catalyst contains metal oxide or carbon material as a carrier, and porous nano-platinum ruthenium alloy.

LIU C, HUANG J, YANG Y

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

Carbon material catalyst loaded with noble metal useful for e.g. catalytically hydrogenating p-nitroaromatics in methanol/ethanol/toluene reaction medium to prepare aromatic amines, where catalyst has bamboo-shaped tubular morphology.

ZHANG F, LIU M, ZHANG M

Preparing chloroaniline by selective hydrogenation of nitrochlorobenzene, comprises carrying out selective hydrogenation reaction of nitrochlorobenzene using graphene-coated metal nano-catalyst.

ZHANG R, HUANG W, REN L, WANG P, YANG Z