国家/地区 中国（13）
IPC部 B（13） C（13）
IPC大类 B01（13）
IPC小类 B01J（13）
IPC B01J023/46（13）
发明人 DU Z（7） SUN Q（7） ZHENG L（7）
ZONG B（7） CHEN G（3）
公开年 2021（7） 2023（3）
申请年 2019（4）  2021（4）  2020（2）  2022（2） 
专利权人 CHINA PETROL.（7） SINOPEC RES .（5） RES INST PET.（4） CHINA PETROL.（3）

Continuously producing 5-hydroxymethylfurfural and 2,5-furandicarboxylic acid by e.g. dehydrating fructosyl carbohydrate in molecule in two-liquid-phase reaction medium, and adding water to organic phase containing 5-hydroxymethylfurfural.

SUN Q, CHEN G, ZHENG L, DU Z, ZONG B

Preparation of 2, 5-furan dicarboxylic acid involves reacting 5-hydroxymethyl furfural with oxygen in mixed solvent composed of organic solvent and water in presence of oxidation catalyst containing supported metal catalyst.

ZONG B, DU Z, CHEN G, ZHENG L, SUN Q

Preparing oxidation catalyst useful for catalyzing oxidation of 5 hydroxymethylfurfural, comprises impregnating carbon-containing material in aqueous solution containing boron, calcining mixing boron-doped carbon carrier with active metal component solution and performing first reduction.

ZONG B, DU Z, RONG J, CHEN G, SUN Q, ZHAO H, ZHENG L

Carbon-modified metal-based reduction catalyst used in cyano hydrogenation reaction, comprises metal-based active center reacting with carbon-containing gas, metal-based active center is nickel, cobalt or nickel alloy, forming nickel carbide or cobalt carbide or nickle metal carbide carrier.

LIU S, CHEN J, RUAN P, ZHANG H, ZHENG N

Preparing 2,5-furandicarboxylic acid by reacting material containing 2,5-furandimethanol and alkali source in presence of catalyst, where catalyst comprises active component and carrier and active component is chosen from noble metals.

ZHANG J, LI Z, HAO P, ZHAO X

Preparing furoic acid comprises contacting aqueous solution of furfural with catalyst under air and/or oxygen conditions and carrying out catalytic oxidation reaction.

ZHENG L, SUN Q, DU Z, ZONG B

Preparing furoic acid comprises e.g. adding aqueous solution of furfural and catalyst, carrying out catalytic oxidation reaction to obtain furoic acid, and catalyst is obtained by mixing front carrier and basic nitrogen-containing compound.

ZHENG L, SUN Q, DU Z, ZONG B

Preparing 5-hydroxymethyl furoic acid, comprises contacting aqueous solution of 5-hydroxymethyl furfural with catalyst under air and/or oxygen conditions, and carrying out catalytic oxidation reaction.

ZHENG L, SUN Q, DU Z, ZONG B

Preparing 5-hydroxymethyl furoic acid comprises placing 5-hydroxymethyl furfural and catalyst in mixed solution of water and organic solvent under air and/or oxygen conditions, and carrying out catalytic oxidation reaction.

ZHENG L, SUN Q, DU Z, ZONG B

Preparing tetrahydrofuran acetic acid and ester compounds comprise e.g. reducing furan acetic acid and ester compounds under action of hydrogenation catalyst, and reducing atmosphere, separating catalyst, distilling off solvent.

LI F, ZHAO Z, GAO G, SUN P, LI J