Patent application number | Description | Published |
20110114501 | PURIFICATION OF CARBON DIOXIDE FROM A MIXTURE OF GASES - A method for purification of carbon dioxide from a mixture of gases is disclosed. The method generally includes steps (A) and (B). Step (A) may bubble the gases into a solution of an electrolyte and a catalyst in an electrochemical cell. The electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode generally reduces the carbon dioxide into one or more compounds. The anode may oxidize at least one of the compounds into the carbon dioxide. Step (B) may separate the carbon dioxide from the solution. | 05-19-2011 |
20110114502 | REDUCING CARBON DIOXIDE TO PRODUCTS - A method for reducing carbon dioxide to one or more products is disclosed. The method may include steps (A) to (C). Step (A) may bubble the carbon dioxide into a solution of an electrolyte and a catalyst in a divided electrochemical cell. The divided electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode generally reduces the carbon dioxide into the products. Step (B) may vary at least one of (i) which of the products is produced and (ii) a faradaic yield of the products by adjusting one or more of (a) a cathode material and (b) a surface morphology of the cathode. Step (C) may separate the products from the solution. | 05-19-2011 |
20110114503 | ELECTROCHEMICAL PRODUCTION OF UREA FROM NOx AND CARBON DIOXIDE - Methods and systems for electrochemical production of urea are disclosed. A method may include, but is not limited to, steps (A) to (B). Step (A) may introduce carbon dioxide and NOx to a solution of an electrolyte and a heterocyclic catalyst in an electrochemical cell. The divided electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode may reduce the carbon dioxide and the NOx into a first sub-product and a second sub-product, respectively. Step (B) may combine the first sub-product and the second sub-product to produce urea. | 05-19-2011 |
20110114504 | ELECTROCHEMICAL PRODUCTION OF SYNTHESIS GAS FROM CARBON DIOXIDE - A method for electrochemical production of synthesis gas from carbon dioxide is disclosed. The method generally includes steps (A) to (C). Step (A) may bubble the carbon dioxide into a solution of an electrolyte and a catalyst in a divided electrochemical cell. The divided electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode generally reduces the carbon dioxide into a plurality of components. Step (B) may establish a molar ratio of the components in the synthesis gas by adjusting at least one of (i) a cathode material and (ii) a surface morphology of the cathode. Step (C) may separate the synthesis gas from the solution. | 05-19-2011 |
20120132537 | HETEROCYCLE CATALYZED CARBONYLATION AND HYDROFORMYLATION WITH CARBON DIOXIDE - Methods and systems for heterocycle catalyzed carbonylation and hydroformylation with carbon dioxide 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 heterocyclic catalyst, and a cathode. Step (C) may introduce a second reactant to the second compartment of the electrochemical cell. Step (D) may apply an electrical potential between the anode and the cathode in the electrochemical cell sufficient to induce liquid phase carbonylation or hydroformylation to form a product mixture. | 05-31-2012 |
20120132538 | ELECTROCHEMICAL PRODUCTION OF BUTANOL FROM CARBON DIOXIDE AND WATER - 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. | 05-31-2012 |
20120228147 | SYSTEM AND PROCESS FOR MAKING FORMIC ACID - Methods and systems for electrochemical production of formic acid 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 and a cathode. The cathode is selected from the group consisting of indium, lead, tin, cadmium, and bismuth. The second compartment may include a pH of between approximately 4 and 7. Step (C) may apply an electrical potential between the anode and the cathode in the electrochemical cell sufficient to reduce the carbon dioxide to formic acid. Step (D) may maintain a concentration of formic acid in the second compartment at or below approximately 500 ppm. | 09-13-2012 |
20120277465 | REDUCTION OF CARBON DIOXIDE TO CARBOXYLIC ACIDS, GLYCOLS, AND CARBOXYLATES - Methods and systems for electrochemical conversion of carbon dioxide to carboxylic acids, glycols, and carboxylates 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 and a cathode. Step (C) may apply an electrical potential between the anode and the cathode in the electrochemical cell sufficient to reduce the carbon dioxide to a carboxylic acid intermediate. Step (D) may contact the carboxylic acid intermediate with hydrogen to produce a reaction product. | 11-01-2012 |
20130118910 | System and Method for Oxidizing Organic Compounds While Reducing Carbon Dioxide - Methods and systems for electrochemically generating an oxidation product and a reduction product may include one or more operations including, but not limited to: receiving a feed of at least one organic compound into an anolyte region of an electrochemical cell including an anode; at least partially oxidizing the at least one organic compound at the anode to generate at least carbon dioxide; receiving a feed including carbon dioxide into a catholyte region of the electrochemical cell including a cathode; and at least partially reducing carbon dioxide to generate a reduction product at the cathode. | 05-16-2013 |
20130118911 | MULTIPHASE ELECTROCHEMICAL REDUCTION OF CO2 - Disclosed is a system and method for reducing carbon dioxide into a carbon based product. The system includes an electrochemical cell having a cathode region which includes a cathode and a non-aqueous catholyte; an anode region having an anode and an aqueous or gaseous anolyte; and an ion permeable zone disposed between the anode region and the cathode region. The ion permeable zone is at least one of (i) the interface between the anolyte and the catholyte, (ii) an ion selective membrane; (iii) at least one liquid layer formed of an emulsion or (iv) a hydrophobic or glass fiber separator. The system and method includes a source of energy, whereby applying the source of energy across the anode and cathode reduces the carbon dioxide and produces an oxidation product. | 05-16-2013 |
20130140187 | Electrochemical Reduction of CO2 with Co-Oxidation of an Alcohol - The present disclosure is a system and method for producing a first product from a first region of an electrochemical cell having a cathode and a second product from a second region of the electrochemical cell having an anode. The method may include the step of contacting the first region of the electrochemical cell with a catholyte comprising an alcohol and carbon dioxide. Another step of the method may include contacting the second region of the electrochemical cell with an anolyte comprising the alcohol. Further, the method may include a step of applying an electrical potential between the anode and the cathode sufficient to produce a first product recoverable from the first region and a second product recoverable from the second region. | 06-06-2013 |
20130180865 | Reducing Carbon Dioxide to Products - A method reducing carbon dioxide to one or more organic products may include steps (A) to (C). Step (A) may introduce an anolyte to a first compartment of an electrochemical cell, said first compartment including an anode. Step (B) may introduce a catholyte and carbon dioxide to a second compartment of said electrochemical cell. The second compartment may include a tin cathode and a catalyst. The catalyst may include at least one of pyridine, 2-picoline or 2,6-lutidine. Step (C) may apply an electrical potential between said anode and said cathode sufficient for said cathode to reduce said carbon dioxide to at least one of formate or formic acid. | 07-18-2013 |
20130199937 | Reducing Carbon Dioxide to Products - A method reducing carbon dioxide to one or more products may include steps (A) to (C). Step (A) may bubble said carbon dioxide into a solution of an electrolyte and a catalyst in a divided electrochemical cell. The divided electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode may reduce said carbon dioxide into said products. Step (B) may adjust one or more of (a) a cathode material, (b) a surface morphology of said cathode, (c) said electrolyte, (d) a manner in which said carbon dioxide is bubbled, (e), a pH level of said solution, and (f) an electrical potential of said divided electrochemical cell, to vary at least one of (i) which of said products is produced and (ii) a faradaic yield of said products. Step (C) may separate said products from said solution. | 08-08-2013 |
20130292262 | Purification of Carbon Dioxide from a Mixture of Gases - A method for purification of carbon dioxide from a mixture of gases is disclosed. The method generally includes steps (A) and (B). Step (A) may bubble the gases into a solution of an electrolyte and a catalyst in an electrochemical cell. The electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode generally reduces the carbon dioxide into one or more compounds. The anode may oxidize at least one of the compounds into the carbon dioxide. Step (B) may separate the carbon dioxide from the solution. | 11-07-2013 |
20140021042 | Electrochemical Production of Urea from NOx and Carbon Dioxide - Methods and systems for electrochemical production of urea are disclosed. A method may include, but is not limited to, steps (A) to (B). Step (A) may introduce carbon dioxide and NOx to a solution of an electrolyte and a heterocyclic catalyst in an electrochemical cell. The divided electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode may reduce the carbon dioxide and the NOx into a first sub-product and a second sub-product, respectively. Step (B) may combine the first sub-product and the second sub-product to produce urea. | 01-23-2014 |
20140021059 | System and Process for Making Formic Acid - Methods and systems for electrochemical production of formic acid 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 and a cathode. The cathode is selected from the group consisting of indium, lead, tin, cadmium, and bismuth. The second compartment may include a pH of between approximately 4 and 7. Step (C) may apply an electrical potential between the anode and the cathode in the electrochemical cell sufficient to reduce the carbon dioxide to formic acid. Step (D) may maintain a concentration of formic acid in the second compartment at or below approximately 500 ppm. | 01-23-2014 |
20140021060 | Heterocycle Catalyzed Electrochemical Process - A method for heterocycle catalyzed electrochemical reduction of a carbonyl compound is disclosed. The method generally includes steps (A) to (C). Step (A) may introduce the carbonyl compound into a solution of an electrolyte and a heterocycle catalyst in a divided electrochemical cell. The divided electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode generally reduces the carbonyl compound to at least one aldehyde compound. Step (B) may vary which of the aldehyde compounds is produced by adjusting one or more of (i) a cathode material, (ii) the electrolyte, (iii) the heterocycle catalyst, (iv) a pH level and (v) an electrical potential. Step (C) may separate the aldehyde compounds from the solution. | 01-23-2014 |
20140027303 | Reduction of Carbon Dioxide to Carboxylic Acids, Glycols, and Carboxylates - Methods and systems for electrochemical conversion of carbon dioxide to carboxylic acids, glycols, and carboxylates 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 and a cathode. Step (C) may apply an electrical potential between the anode and the cathode in the electrochemical cell sufficient to reduce the carbon dioxide to a carboxylic acid intermediate. Step (D) may contact the carboxylic acid intermediate with hydrogen to produce a reaction product. | 01-30-2014 |
20140034506 | System and Method for Oxidizing Organic Compounds While Reducing Carbon Dioxide - Methods and systems for electrochemically generating an oxidation product and a reduction product may include one or more operations including, but not limited to: receiving a feed of at least one organic compound into an anolyte region of an electrochemical cell including an anode; at least partially oxidizing the at least one organic compound at the anode to generate at least carbon dioxide; receiving a feed including carbon dioxide into a catholyte region of the electrochemical cell including a cathode; and at least partially reducing carbon dioxide to generate a reduction product at the cathode. | 02-06-2014 |
20140034509 | Heterocycle Catalyzed Carbonylation and Hydroformylation with Carbon Dioxide - Methods and systems for heterocycle catalyzed carbonylation and hydroformylation with carbon dioxide 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 heterocyclic catalyst, and a cathode. Step (C) may introduce a second reactant to the second compartment of the electrochemical cell. Step (D) may apply an electrical potential between the anode and the cathode in the electrochemical cell sufficient to induce liquid phase carbonylation or hydroformylation to form a product mixture. | 02-06-2014 |
20140158547 | Multiphase Electrochemical Reduction of CO2 - Disclosed is a system and method for reducing carbon dioxide into a carbon based product. The system includes an electrochemical cell having a cathode region which includes a cathode and a non-aqueous catholyte; an anode region having an anode and an aqueous or gaseous anolyte; and an ion permeable zone disposed between the anode region and the cathode region. The ion permeable zone is at least one of (i) the interface between the anolyte and the catholyte, (ii) an ion selective membrane; (iii) at least one liquid layer formed of an emulsion or (iv) a hydrophobic or glass fiber separator. The system and method includes a source of energy, whereby applying the source of energy across the anode and cathode reduces the carbon dioxide and produces an oxidation product. | 06-12-2014 |
20140206894 | Method and System for Production of Oxalic Acid and Oxalic Acid Reduction Products - The present disclosure is a method and system for production of oxalic acid and oxalic acid reduction products. The production of oxalic acid and oxalic acid reduction products may include the electrochemical conversion of CO | 07-24-2014 |
20140206895 | Method and System for Production of Oxalic Acid and Oxalic Acid Reduction Products - The present disclosure is a method and system for production of oxalic acid and oxalic acid reduction products. The production of oxalic acid and oxalic acid reduction products may include the electrochemical conversion of CO | 07-24-2014 |
20140206896 | Method and System for Production of Oxalic Acid and Oxalic Acid Reduction Products - The present disclosure is a method and system for production of oxalic acid and oxalic acid reduction products. The production of oxalic acid and oxalic acid reduction products may include the electrochemical conversion of CO | 07-24-2014 |
20140238871 | Electrochemical Production of Synthesis Gas from Carbon Dioxide - A method for electrochemical production of synthesis gas from carbon dioxide is disclosed. The method generally includes steps (A) to (C). Step (A) may bubble the carbon dioxide into a solution of an electrolyte and a catalyst in a divided electrochemical cell. The divided electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode generally reduces the carbon dioxide into a plurality of components. Step (B) may establish a molar ratio of the components in the synthesis gas by adjusting at least one of (i) a cathode material and (ii) a surface morphology of the cathode. Step (C) may separate the synthesis gas from the solution. | 08-28-2014 |
20140367274 | Electrochemical Reduction of CO2 with Co-Oxidation of an Alcohol - The present disclosure is a system and method for producing a first product from a first region of an electrochemical cell having a cathode and a second product from a second region of the electrochemical cell having an anode. The method may include the step of contacting the first region of the electrochemical cell with a catholyte comprising an alcohol and carbon dioxide. Another step of the method may include contacting the second region of the electrochemical cell with an anolyte comprising the alcohol. Further, the method may include a step of applying an electrical potential between the anode and the cathode sufficient to produce a first product recoverable from the first region and a second product recoverable from the second region. | 12-18-2014 |
20150267309 | High Pressure Electrochemical Cell and Process for the Electrochemical Reduction of Carbon Dioxide - The present disclosure the present disclosure is directed to an electrochemical cell including an exterior pressure vessel, the exterior pressure vessel including a cylindrical body, a first end removably fastened to the cylindrical body to cover a first opening of the cylindrical body and a second end removably fastened to the cylindrical body to cover a second opening of the cylindrical body. The electrochemical cell may further include high surface area electrodes which may be configured to operate at high pressures, such as in the range of 2 to 100 atmospheres or more. | 09-24-2015 |
20150337444 | Electrochemical Production of Butanol from Carbon Dioxide and Water - 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. | 11-26-2015 |