Metal-phosphorized catalyst for producing 2,5-furandicarboxylic acid and method for producing 2,5-furandicarboxylic acid using the same

Patent metadata

Field	Value
Publication number	US-2023136651-A1
Application number	US-202217840633-A
Country	US
Kind code	A1
Filing date	Jun 15, 2022
Priority date	Nov 2, 2021
Publication date	May 4, 2023
Grant date	—

Abstract

According to one embodiment of the present invention, there is provided a catalyst compound, which comprises a compound of Chemical Formula 1 below and catalyzes the process of oxidizing 5-hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic acid (FDCA):NiCoxPy  [Chemical Formula 1](wherein x and y are the molar ratio for Ni contained in the catalyst compound, 0<x<1, 0<y<1).

First claim

1 . A catalyst compound, which comprises a compound of Chemical Formula 1 below and catalyzes the process of oxidizing 5-hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic acid (FDCA):
NiCo x P y   [Chemical Formula 1]

(wherein x and y are the molar ratio for Ni contained in the catalyst compound, 0<x<1, 0<y<1).

2 . The catalyst compound of claim 1 , wherein the amount of Ni 3+ is higher than that of Ni 2+ in the catalyst compound.

3 . A catalyst electrode, which comprises a catalyst compound comprising a compound of Chemical Formula 1 below; and a substrate on which the catalyst compound is provided, and thereby catalyzes the process of oxidizing 5-hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic acid (FDCA):
NiCo x P y   [Chemical Formula 1]

(wherein x and y are the molar ratio for Ni contained in the catalyst compound, 0<x<1, 0<y<1).

4 . The catalyst electrode of claim 3 , wherein the substrate is at least one selected from the group consisting of a metal foam, a metal foil, carbon paper, and carbon cloth.

5 . The catalyst electrode of claim 4 , wherein nickel hydroxide is provided on the surface of the substrate.

6 . The catalyst electrode of claim 5 , wherein the amount of Ni 3+ is higher than that of Ni 2+ in the catalyst compound.

7 . A method for producing FDCA, comprising: reacting 5-hydroxymethylfurfural (HMF) with a catalyst compound of Chemical Formula 1 below to oxide the 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid (FDCA):
NiCo x P y   [Chemical Formula 1]

(wherein x and y are the molar ratio for Ni contained in the catalyst compound, 0<x<1, 0<y<1).

8 . The process of claim 7 , wherein the 2,5-furandicarboxylic acid (FDCA) is produced by applying a potential of 1.40 V RHE to 1.60 V RHE to the 5-hydroxymethylfurfural (HMF) and the catalyst compound.

9 . The process of claim 8 , wherein the oxidation reaction of 5-hydroxymethylfurfural is performed in a basic environment without a base-induced polymerization reaction of the 5-hydroxymethylfurfural.

10 . An FDCA production reactor, comprising:
an inlet for introducing 5-hydroxymethylfurfural (HMF); a catalyst electrode comprising a catalyst compound comprising a compound of Chemical Formula 1 below, and a substrate on which the catalyst compound is provided; and an outlet for discharging 2,5-furandicarboxylic acid (FDCA) produced after the oxidation reaction of 5-hydroxymethylfurfural (HMF) performed in the catalyst electrode:
NiCo x P y   [Chemical Formula 1]

(wherein x and y are the molar ratio for Ni contained in the catalyst compound, 0<x<1, 0<y<1).

11 . The reactor of claim 10 , further comprising a power supply for applying a potential to the catalyst electrode.

12 . The reactor of claim 10 , wherein the substrate is at least one selected from the group consisting of a metal foam, a metal foil, carbon paper, and carbon cloth.

13 . The reactor of claim 12 , wherein nickel hydroxide is provided on the surface of the substrate.

14 . The reactor of claim 13 , wherein the amount of Ni 3+ is higher than that of Ni 2+ in the catalyst compound.

15 . A method for synthesizing a catalyst compound, comprising the steps of:
preparing a NiCo bimetal compound by co-depositing Ni 2+ and Co 2+ ; and preparing a catalyst compound of Chemical Formula 1 below by reacting the NiCo bimetal compound with a phosphorus compound:
NiCo x P y   [Chemical Formula 1]

(wherein x and y are the molar ratio for Ni contained in the catalyst compound, 0<x<1, 0<y<1).

16 . A method for synthesizing a catalyst compound, comprising the steps of:
mixing Ni 2+ , Co 2+ , a phosphorus compound, and a reducing agent; and preparing a catalyst compound of Chemical Formula 1 below by heat treating the above mixture:
NiCo x P y   [Chemical Formula 1]

(wherein x and y are the molar ratio for Ni contained in the catalyst compound, 0<x<1, 0<y<1).

Assignees

• Korea Inst Sci & Tech

Inventors

• Lee Dong Ki
• Koh Jai Hyun
• Won Dahye
• Lee Ung
• Oh Hyung-Suk
• Min Byoung Koun
• Woo Jongin
• Moon Byeong Cheul

Classifications

• C07D307/68 Primary

  Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen · CPC title

• C25B3/07

  Oxygen containing compounds · CPC title

• B01J37/348

  Electrochemical processes, e.g. electrochemical deposition or anodisation · CPC title

• B01J27/1853 Primary

  with iron, cobalt or nickel · CPC title

• C07D307/46

  Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom · CPC title