Method of producing glucaric acid and method of manufacturing synthetic resin raw material by electrochemical treatment
View Patent ↗A method of producing glucaric acid by electrochemical treatment includes (a) providing a reactor including a first electrode-containing region and a second electrode-containing region separated by an electrolyte membrane, adding a glucose mixture to any one region of the reactor, and adding an electrolyte solution to both regions of the reactor. The method also includes (b) producing glucaric acid by oxidizing glucose by applying a voltage between the first electrode and the second electrode in the reactor subjected to step (a). The electrode in the region to which the glucose mixture is added includes a catalyst containing tantalum.
1 . A method of producing glucaric acid by electrochemical treatment, the method comprising:
(a) providing a reactor including a first electrode of a first electrode-containing region and a second electrode of a second electrode-containing region separated by an electrolyte membrane, adding a glucose mixture to any one region of the first or second electrode-containing regions of the reactor, and adding an electrolyte solution to both the first and second electrode-containing regions; and
(b) producing glucaric acid by oxidizing the glucose mixture by applying a voltage between the first electrode and the second electrode in the reactor subjected to step (a),
wherein the first or second electrode in the one region to which the glucose mixture is added includes a catalyst containing tantalum,
wherein, in step (a), the first electrode is an anode, the second electrode is a cathode, and the anode comprises the catalyst, and
wherein the catalyst in step (a) comprises a layered double hydroxide doped with the tantalum.
2 . The method of claim 1 , wherein the glucose mixture in step (a) is an aqueous solution comprising D-glucose.
3 . The method of claim 1 , wherein a molar concentration of glucose in the glucose mixture in step (a) is in a range of 0.05 M to 0.1 M.
4 . The method of claim 1 , wherein the layered double hydroxide in step (a) comprises nickel and iron, and wherein the cathode comprises a noble metal comprising platinum, gold, silver, iridium, palladium, ruthenium, rhodium, or any combination thereof.
5 . The method of claim 4 , wherein the layered double hydroxide in step (a) is manufactured by a method comprising:
(i) adding a nickel structure to a mixture of a nickel precursor, an iron precursor, and an amine compound and performing heat treatment; and
(ii) mixing a result of step (i) and a tantalum precursor and performing hydrothermal treatment.
6 . The method of claim 5 , wherein the tantalum precursor in step (ii) comprises tantalum chloride (TaCl 5 ).
7 . The method of claim 1 , wherein the voltage in step (b) is in a range of 1.2 V to 1.6 V.
8 . The method of claim 1 , wherein step (b) is performed at a temperature in a range of 15° C. to 50° C. for 1 hour to 5 hours.
9 . The method of claim 1 , wherein step (b) is performed for 3 hours or less, and a production yield of glucaric acid from glucose is 78% or more.