# US 2016/0355404 A1 · Process for converting oxygenated gas into carbon monoxide > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2016/0355404 A1 - Document ID: US20160355404A1 - Status: Published application - Kind: A1 - Application number: 15/175,016 - Filed: 2016-06-06 - Published: 2016-12-08 - Earliest claimed: 2015-06-04 - Inventors: Schams A. Ahad - Web page: https://patentgrep.com/patent/US20160355404A1 ## CPC - C01B 32/50: Carbon dioxide - C01B 32/40: Carbon monoxide - C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C} ## Abstract A process for a gas phase thermochemical reduction of oxygenated gas, such as carbon dioxide (CO2), by a solid activated charcoal to obtain premium grade, very high purity, carbon monoxide (CO) product. Whereby granular activated carbon (GAC) or powdered activated carbon (PAC) via a high temperature Reverse Boudouard Reduction Reaction (RBRR) using an oxygen exchange mechanism (OEM), is used to yield the carbon monoxide (CO) product in both a non-catalytic and a catalytic reactor. ## Claims ### Claim 1 A process comprising: directing carbon dioxide into a mixer; releasing an activated carbon from a storage bin for combining with said carbon dioxide, wherein said activated carbon comprises a biomass charcoal; combining, with said mixer, said carbon dioxide with said activated carbon; feed stocking said mixed activated carbon and carbon dioxide to a Reverse Boudouard Reduction reactor unit; heating said Reverse Boudouard Reduction reactor unit containing said mixed activated carbon and carbon dioxide with a high temperature furnace to produce a carbon monoxide product, wherein a steel forge grade renewable charcoal fuel is configured to provide a first source of fuel for said high temperature furnace; filtering said carbon monoxide product in a high temperature bag house, wherein said filtering is configured to remove at least a portion of entrained activated carbon particles, and wherein said carbon monoxide product is substantially a result of a Reverse Boudouard Reaction from said reactor unit; splitting said filtered carbon monoxide product into a first carbon monoxide product stream and second carbon monoxide product stream; conveying at least a portion of said first carbon monoxide product stream back to said high temperature furnace, wherein said first carbon monoxide product stream is configured to provide at least a portion of a second source of fuel for said high temperature furnace; directing a substantial portion of said second carbon monoxide product stream to a heat exchanger, said heat exchanger being configured to be operable for cooling said second carbon monoxide product stream. ### Claim 2 (depends on 1) The process of claim 1, further comprising compressing said cooled first carbon monoxide product stream in a compressor unit. ### Claim 3 (depends on 2) The process of claim 2, further comprising piping said cooled and compressed first carbon monoxide product stream to a product storage tank. ### Claim 4 (depends on 3) The process of claim 3, further comprising purging an off-specification carbon monoxide product to an emergency product vent, wherein said off-specification carbon monoxide product is caused by at least one of, a process upset, a discontinuity and a failure to meet design operating condition. ### Claim 5 (depends on 1) The process of claim 1, further comprising disposing said entrained activated carbon particles into a sanitary landfill. ### Claim 6 (depends on 3) The process of claim 3, wherein said carbon monoxide product is configured to provide renewable fuel. ### Claim 7 (depends on 1) The process of claim 1, in which said activated carbon comprising, at least one of, a granular activated carbon (GAC), a powdered activated carbon (PAC), and a mixture of both GAC and PAC. ### Claim 8 (depends on 1) The process of claim 1, further comprising adding a catalyst in said Reverse Boudouard Reaction reactor unit, wherein said catalyst is configured to maintain a high reactivity of reactants such that said carbon monoxide product dominates a product stream, and wherein said catalyst is further configure to lower a temperature of said reaction thereby decreasing the amount of energy used to complete said reaction and consequently lower an operating cost of said process. ### Claim 9 (depends on 1) The process of claim 1, further comprising providing heat to said high temperature furnace with steel forge grade renewable charcoal fuel. ### Claim 10 A system comprising: means for mixing an amount of carbon dioxide with an amount of activated carbon; means for heating a Reverse Boudouard Reduction reactor unit containing said mixed activated carbon and carbon dioxide to produce a carbon dioxide product, wherein said heating means is configured to operate with renewable fuel; means for filtering said carbon monoxide, wherein said filtering means is configured to remove entrained activated carbon particles, and wherein said carbon monoxide product is a result of a Reverse Boudouard Reaction from said reactor unit; means for splitting said filtered carbon monoxide product into a first carbon monoxide product stream and second carbon monoxide product stream; means for conveying said first carbon monoxide product stream back to said high temperature furnace; means for cooling said second carbon monoxide product stream; means for directing said second carbon monoxide product stream to said cooling means. ### Claim 11 (depends on 10) The process of claim 10, further comprising means for compressing said cooled second carbon monoxide product stream. ### Claim 12 (depends on 11) The process of claim 11, further comprising means for piping said compressed carbon monoxide product to a product storage tank. ### Claim 13 A process comprising: directing an oxygenated gas into a mixer; releasing an activated carbon from a storage bin; mixing said oxygenated gas with said released activated carbon in said mixer; feed stocking said mixed activated carbon and said oxygenated gas to a Reverse Boudouard Reduction reactor unit; heating said Reverse Boudouard Reduction reactor unit containing said mixed activated carbon and said oxygenated gas with a high temperature furnace, in which said heating is configured to produce a reduced Oxide product, wherein a renewable charcoal fuel is configured to provide a first source of fuel for said high temperature furnace; filtering said reduced Oxide product in a high temperature bag house, wherein said filtering is configured to remove entrained activated carbon particles, and wherein said reduced Oxide product is a result of a Reverse Boudouard Reaction from said reactor unit; splitting said filtered reduced Oxide product into a first reduced Oxide product stream and second reduced Oxide product stream; conveying said first reduced Oxide product stream back to said high temperature furnace, wherein said first reduced Oxide product stream is configured as a second source of fuel for said high temperature furnace; directing said at least a portion of second reduced Oxide product stream to a heat exchanger, wherein said heat exchanger is configure to cool said second reduced Oxide product. ### Claim 14 (depends on 13) The process of claim 13, wherein said oxygenated gas is carbon dioxide and said reduced Oxide is carbon monoxide. ### Claim 15 (depends on 14) The process of claim 14, further comprising compressing said second cooled second carbon monoxide product stream in a compressor unit. ### Claim 16 (depends on 15) The process of claim 15, further comprising piping said compressed second carbon monoxide product stream to a product storage tank. ### Claim 17 (depends on 16) The process of claim 16, further comprising purging an off-specification carbon monoxide product to an emergency product vent, wherein said off-specification carbon monoxide product is caused by, at least one of, a process upset, a discontinuity and a failure to meet design operating conditions. ### Claim 18 (depends on 14) The process of claim 14, further comprising disposing said entrained activated carbon particles. ### Claim 19 (depends on 14) The process of claim 14, in which said activated carbon comprising, at least one of, a granular activated carbon (GAC), a powdered activated carbon (PAC), and a mixture of both GAC and PAC. ### Claim 20 (depends on 14) The process of claim 14, further comprising adding a catalyst in said Reverse Boudouard Reaction reactor unit, wherein said catalyst is configured to maintain a high reactivity of reactants such that said carbon monoxide product dominates a product stream, and wherein said catalyst is further configured to lower a temperature of said reaction thereby decreasing the amount of energy used to complete said reaction and consequently lower an operating cost of said process.