国家/地区 中国（8）
IPC部 B（8） C（8）
IPC大类 B01（8）
IPC小类 B01J（8）
IPC B01J023/42（8）
发明人 DU Z（8）
公开年 2021（4） 2023（3）
申请年 2019（4）  2021（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

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

Three-dimensional graphene assembly catalyst preparation for carrying out liquid-phase hydrogenation reaction, involves mixing pyridine, polystyrene beads and graphene oxide, and then arranging mixture into aqueous solution.

ZHANG X, FAN Q, DU Z, MA S