Electrochemical production of butanol from carbon dioxide and water
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C25B-003/00
C25B-003/04
출원번호
US-0307965
(2011-11-30)
등록번호
US-8961774
(2015-02-24)
발명자
/ 주소
Cole, Emily Barton
Teamey, Kyle
Bocarsly, Andrew B.
Sivasankar, Narayanappa
출원인 / 주소
Liquid Light, Inc.
대리인 / 주소
Suiter Swantz pc llo
인용정보
피인용 횟수 :
0인용 특허 :
111
초록▼
Methods and systems for electrochemical production of butanol are disclosed. A method may include, but is not limited to, steps (A) to (D). Step (A) may introduce water to a first compartment of an electrochemical cell. The first compartment may include an anode. Step (B) may introduce carbon dioxid
Methods and systems for electrochemical production of butanol are disclosed. A method may include, but is not limited to, steps (A) to (D). Step (A) may introduce water to a first compartment of an electrochemical cell. The first compartment may include an anode. Step (B) may introduce carbon dioxide to a second compartment of the electrochemical cell. The second compartment may include a solution of an electrolyte, a catalyst, and a cathode. Step (C) may apply an electrical potential between the anode and the cathode in the electrochemical cell sufficient for the cathode to reduce the carbon dioxide to a product mixture. Step (D) may separate butanol from the product mixture.
대표청구항▼
1. A method for electrochemical production of butanol, comprising: (A) introducing water to a first compartment of a first electrochemical cell, said first compartment including an anode;(B) introducing carbon dioxide to a second compartment of said first electrochemical cell, said second compartmen
1. A method for electrochemical production of butanol, comprising: (A) introducing water to a first compartment of a first electrochemical cell, said first compartment including an anode;(B) introducing carbon dioxide to a second compartment of said first electrochemical cell, said second compartment including a solution of an electrolyte, a catalyst, and a cathode;(C) applying an electrical potential between said anode and said cathode in said first electrochemical cell sufficient for said cathode to reduce said carbon dioxide to an intermediate product mixture;(D) separating a two-carbon intermediate from said intermediate product mixture;(E) introducing said two-carbon intermediate to a second electrochemical cell, wherein (i) said second electrochemical cell including an anode in a first cell compartment and a cathode in a second cell compartment and (ii) said cathode reducing said two-carbon intermediate to a product mixture; and(F) separating butanol from said product mixture. 2. The method of claim 1, wherein said two-carbon intermediate includes at least one of glyoxal, oxalic acid, glyoxylic acid, glycolic acid, acetic acid, or acetaldehyde. 3. The method of claim 2, wherein said two-carbon intermediate includes glyoxal. 4. The method of claim 1, wherein said solution of electrolyte includes potassium chloride. 5. The method of claim 1, wherein said cathode of said first electrochemical cell includes a cathode material for reducing said carbon dioxide to said intermediate product mixture, said cathode material including at least one of indium, tin, molybdenum, 316 stainless steel, nickel 625, nickel 600, nickel-chromium, elgiloy, copper-nickel, iron, iron alloy, steel, steel alloy, cobalt, cobalt alloy, chromium, or chromium alloy. 6. The method of claim 1, said catalyst of said first electrochemical cell includes a heterocycle catalyst. 7. The method of claim 6, wherein said heterocycle catalyst includes at least one of pyridine, quinoline, 1-methyl imidazole, or 4,4′ bipyridine. 8. The method of claim 1, further comprising: adjusting a pH of the second compartment of the first cell between approximately 5 and approximately 8. 9. The method of claim 1, wherein said butanol includes 2-butanol.
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