国家/地区 中国（9）
IPC部 B（9）
IPC大类 B01（9） C07（9）
IPC小类 B01J（9）
IPC B01J035/00（9）
发明人 LI J（2） LI Y（2） ZHAO Y（2）
公开年 2021（7）
申请年 2021（9）
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

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

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

Preparing biomass carbon assisted synthesis bifunctional catalyst useful in long-chain alkanes hydroisomerization reaction, comprises e.g. obtaining metal-carbon material precursor, crystallizing mixed precursor, centrifuging and calcining.

LI J, TAN Y, LIAO T, ZHAO Y, DU Y, LI Y, ZHU D, FU W, NI J

Directionally preparing phenolic substance comprises pre-oxidizing lignin under action of oxidant, and performing hydrogenolysis under action of catalyst that containing carbon-based inert substance and nano-rare earth metal oxide.

ZHANG H, ZHAO H, SONG W