国家/地区 中国（11）
IPC部 B（11）
IPC大类 B01（11） C07（11）
IPC小类 B01J（11）
IPC B01J035/10（11）
发明人 ZHANG F（2）
公开年 2021（5） 2022（5）
申请年 2021（11）
专利权人 CHINA PETROL.（3） CHINA PETROL.（3）

Catalyst used in preparation of toluene and xylene by alkylation of benzene and methanol, comprises graphene oxide-containing molecular sieves and metal oxides, where morphology of catalyst is multi-stage porous column.

ZOU W, REN S

Solid acid catalyst comprises carbon-based carrier and heteroatom loaded on carbon-based carrier, where heteroatom is Group IIIA, Group VA and/or Group VIA elements, preferably boron, phosphorus and/or sulfur.

XI P, CHEN L, ZENG W, GU L, FENG B

Graphene/ZSM-5 molecular sieve composite useful as catalyst in the reaction of preparing ethylbenzene by benzene/ethylene alkylation, comprises graphene and ZSM-5 molecular sieve.

WANG D, SUN H, LIU W

Graphene-based nitrogen-doped hierarchical porous carbon-supported palladium catalyst for hydrorefining of crude terephthalic acid, comprises palladium element, graphene-based nitrogen-doped hierarchical porous carbon, and nitrogen element.

HE G, YANG Y, BIAN W, ZHANG X, ZHENG Q, YIN D

Vanadium-titanium catalyst for selective oxidation of methanol to methyl formate, comprises vanadium pentoxide and titanium dioxide, where catalyst is prepared by reacting solution of vanadium and titanium source and graphene with precipitant, followed by aging and calcining precipitated slurry.

KAN X, CHEN J, MA C, WANG H, SUN Y

Preparing p-hydroxyacetophenone comprises adding phenol and modified catalyst into acylation kettle, dropping acetyl chloride under vacuum, cooling, hydrolyzing, water washing, separating water layer, distilling, freezing and crystallizing and centrifuging.

HUANG Q, ZENG Q, LIU Z, ZHENG J

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

Graphene covalently supported bipyridine metal complex used as catalyst to catalyze Suzuki-Miyaura coupling reaction of phenylboronic acid and bromobenzene.

LI S, WANG Z, SHU H, ZHANG Y, FENG H, FENG Y

Catalyst useful for converting hydrogen gas and carbon dioxide into other materials comprises molybdenum, first element including group metal, second element including e.g. sulfur, carbon, and oxygen and optionally least one group IA metals.

SHEEHAN S W, CHEN C, CHEN 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