国家/地区 中国（15）
IPC部 B（16）
IPC大类 B01（16）
IPC小类 B01J（16）
IPC B01J037/08（16）
发明人 ZHANG Z（3） LI X（2） LV Y（2）
MAO Z（2） WANG Y（2） WANG Z（2）
ZHANG Y（2）
公开年 2021（6） 2023（3） 2018（2） 2022（2）
申请年 2020（4）  2021（4）  2022（3）  2018（2） 
专利权人 CHINA PETROL.（2） MAO Z（2）

Ultrasonically assisted preparation of oxygen-enriched defect graphene encapsulated metal nickel catalyst for synthesizing 4-aminoindole, involves adding nickel salt and organic ligand in solvent and performing hydrothermal reaction, followed by performing ultrasonic reflux treatment on precursor.

LI X, YAO Y, YAN W, LU C

Preparing furoic acid involves reacting furfural with oxygen to obtain the furoic acid, in aqueous solution and in presence of oxidation catalyst, oxidation catalyst is supported catalyst containing bismuth and noble metal, oxygen is derived from pure oxygen or air.

ZONG B, CHEN G, ZHENG L, SUN Q

Preparing catalyst useful for synthesizing caprolactam, comprises stirring and mixing raw materials including graphene oxide, phosphorus source and solvent, and subjecting mixture to solid-liquid separation, washing, drying, and roasting in nitrogen or inert gas atmosphere.

KONG M, HAN M, ZHANG X, DAI Y, XU L, DING K, GUO H, WANG G

Preparation of carbon-based metal single atom catalyst in cycloaddition reaction of carbon dioxide, by mixing carbon source, nitrogen source and metal salt, ball milling, heating under inert atmosphere using high temperature pyrolysis method to uniformly disperse metal single atom in metal salt.

LONG R, GONG W, LI J, XIONG Y

Catalyst useful in preparing maleic anhydride by oxidation of benzene comprises carrier and active component supported on carrier, where the carrier is composite carrier comprising nano-carbon material and silicon carbide.

FENG Y, ZHANG Z, SHI H, ZHANG D

Monolithic boron-doped titanium silicalite catalyst carrier used for preparing titanium silicalite catalyst, has metal framework with interpenetrating three-dimensional pores inside, and boron-doped carbon layer grown on metal framework.

CHEN M, GAO P, CHEN J, ZHANG Z, WANG M, JI S, WANG H, LV H, SUN Y, CAO G

Method for preparing epsilon-caprolactone and 6-hydroxycaproic acid and its esters using tetrahydrofuran acetic acid and its esters comprises placing tetrahydrofuran acetic acid under pressure and carrying out reduction reaction.

LI F, ZHAO Z, GAO G, SUN P, LIU Q

Preparing 2,5-dimethylfuran by catalytically hydrogenating 5-hydroxymethylfurfural comprises taking ethanol as solvent, reacting 5-hydroxymethylfurfural with hydrogen under action of nickel-iron/reduced graphene oxide catalyst.

ZHOU J, LV Y, MAO J, LI S, YIN J

Preparing 2,5-diformylfuran through three-step cascade reaction of glucose involves adjusting pH in glucose solution and adding heterogeneous Lewis acid catalyst to react to obtain fructose solution.

LEI J, CAI Z, WANG Z, LI X, LI K

Preparing catalyst comprises loading auxiliary agent center on carrier to obtain catalyst precursor A loaded with catalytic active center to obtain catalyst precursor B and covering catalyst precursor B outer surface with protective layer.

YU L, FANG W, DONG J, ZHANG Y, ZHENG B, ZHANG H