Patents by Inventor Il Hyun Baek
Il Hyun Baek has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240399294Abstract: The present invention relates to an absorbent having improved carbon dioxide capture performance of an amine solution to which a reaction accelerator is added and a method for manufacturing the same, specifically relates to an absorbent in which an amine solution is mixed with a primary amine containing an aromatic ring as an active additive that can improve the absorption rate to improve both the absorption performance and the absorption rate, and a method for manufacturing the same.Type: ApplicationFiled: December 5, 2023Publication date: December 5, 2024Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Sung Chan NAM, Jong Tak JANG, Il Hyun BAEK
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Publication number: 20240216894Abstract: The present invention provides a composite catalyst for diminishing energy demand during carbon dioxide absorbent regeneration and a method for producing the same. The present invention more particularly relates to a composite catalyst in which the surface or inside of activated carbon activated carbon used as a porous carrier is modified with oxides of one or more metals selected from a transition metal group consisting of Fe, Ni, and Mo, and a method for producing the composite catalyst. The activated carbon composite catalyst modified with a metal of the present invention is able to regenerate MEA (monoethanolamine) at a low temperature of 100° C. or below to diminish heat consumption, can decrease the heat duty by increasing the carbon dioxide desorption rate at a low temperature of 100° C.Type: ApplicationFiled: February 2, 2023Publication date: July 4, 2024Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Sung Chan NAM, Il Hyun BAEK, Jong Tak JANG
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Patent number: 11826719Abstract: Disclosed is an adsorbent containing a metal oxide for adsorption of hydrogen sulfide in biogas, and a biogas purification system using the same.Type: GrantFiled: March 27, 2020Date of Patent: November 28, 2023Assignee: Korea Institute of Energy ResearchInventors: Il Hyun Baek, Sung Chan Nam
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Patent number: 11731103Abstract: Disclosed is an adsorbent containing a metal oxide for adsorption of hydrogen sulfide in biogas, and a biogas purification system using the same.Type: GrantFiled: March 27, 2020Date of Patent: August 22, 2023Assignee: Korea Institute of Energy ResearchInventors: Il Hyun Baek, Sung Chan Nam
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Patent number: 11707725Abstract: Disclosed is an absorbent containing an amine for absorption of an acid gas in a biogas, and a biogas purification system using the same.Type: GrantFiled: March 27, 2020Date of Patent: July 25, 2023Assignee: Korea Institute of Energy ResearchInventors: Il Hyun Baek, Sung Chan Nam
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Publication number: 20220161224Abstract: Disclosed is an absorbent containing an amine for absorption of an acid gas in a biogas, and a biogas purification system using the same.Type: ApplicationFiled: March 27, 2020Publication date: May 26, 2022Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: IL HYUN BAEK, Sung Chan NAM
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Publication number: 20210402368Abstract: Disclosed is an adsorbent containing a metal oxide for adsorption of hydrogen sulfide in biogas, and a biogas purification system using the same.Type: ApplicationFiled: March 27, 2020Publication date: December 30, 2021Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: IL HYUN BAEK, Sung Chan NAM
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Patent number: 11198090Abstract: A method for regenerating an amine-based, acid gas absorbent using a mixed catalyst containing silver oxide and silver carbonate includes the steps of absorbing an acid gas into an acid gas absorbent having an amine group to obtain an acid gas-absorbed absorbent; and regenerating the amine-based, acid gas absorbent by adding a catalyst mixture containing silver oxide and silver carbonate to the acid gas-absorbed absorbent and by removing the acid gas at a temperature ranging from 40° C. to 86° C. When the amine-based acid gas absorbent is an acid gas absorbent solution and when the acid gas that is absorbed into the acid gas absorbent solution is carbon dioxide, the catalyst mixture efficiently promotes decomposition of carbon dioxide-bound carbamate in the acid gas absorbent solution that absorbs the carbon dioxide through a novel catalytic reaction pathway.Type: GrantFiled: February 18, 2019Date of Patent: December 14, 2021Assignee: Korea Institute of Energy ResearchInventors: Il Hyun Baek, Sung Chan Nam, Sung Youl Park
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Publication number: 20200330920Abstract: The present invention relates to a method for regenerating an acid gas absorbent using Ag2O and Ag2CO3 mixed catalyst in an acid gas absorbent regeneration process in an acid gas capture process using an amine absorbent absorbing acid gas. Regeneration method of carbon dioxide absorbent using Ag2O and Ag2CO3 mixed catalyst of the present invention promotes the decomposition of carbon dioxide-bound carbamate from the carbon dioxide-absorbed absorbent of Ag2O and Ag2CO3 mixed catalysts through a novel catalytic reaction pathway to remove efficiently.Type: ApplicationFiled: February 18, 2019Publication date: October 22, 2020Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: IL HYUN BAEK, Sung Chan NAM, Sung Youl PARK
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Patent number: 9962655Abstract: The present invention relates to a system and a method therefor capable of reducing the amount of heat which must be supplied to a regeneration tower for regenerating an absorbent in an acid gas capture system for such acid gas as carbon dioxide, and provides an acid gas capture system and an acid gas capture method capable of reducing energy consumption by using the heat from the system itself in an acid gas capture system. The system and method according to the present invention have the benefit of saving energy by lowering the thermal demand of a reboiler by using the low-temperature steam condensate generated in the capture system to cool the upper end of the regeneration tower and a steam generator and compressor.Type: GrantFiled: March 7, 2014Date of Patent: May 8, 2018Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Il Hyun Baek, Jong Kyun You, Ki-Tae Park, SeongKi Lee, YongWoon Lee
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Patent number: 9956518Abstract: The present invention relates to an acid gas capture system and method which can reduce the energy consumption by using the heat from the system itself of an acid gas capture system. The system and method according to the present invention causes heat exchange to occur between an absorbent discharged from the upper part of an absorption tower of the capture system and a mixed gas comprising an acid gas, and a portion of an absorbent solution which has absorbed the acid gas discharged from the lower part of the absorption tower, and additionally, the remaining absorbent solution excluding said portion thereof undergoes heat exchange with the regenerated high-temperature absorbent solution discharged from the reboiler to preheat the absorbent solution supplied to the regeneration tower, thereby reducing the thermal energy required by same.Type: GrantFiled: December 9, 2013Date of Patent: May 1, 2018Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Il Hyun Baek, Jong Kyun You, Ki-Tae Park
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Patent number: 9808784Abstract: Disclosed is a novel adsorbent having excellent adsorption durability and high adsorption efficiency while having improved durability, thereby improving a carbon dioxide (CO2) separation process. A mesoporous cellular foam impregnated with an iron (Fe)-substituted heteropolyacid includes a mesoporous cellular foam support and an Fe-substituted heteropolyacid, and the mesoporous cellular foam impregnated with an Fe-substituted heteropolyacid has superior CO2 adsorption performance and exhibits excellent reproduction performance even after CO2 adsorption and desorption are performed several times through temperature changes, thereby enabling efficient and economical CO2 separation.Type: GrantFiled: August 2, 2013Date of Patent: November 7, 2017Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Il Hyun Baek, Pankaj Sharma
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Patent number: 9757681Abstract: The present invention relates to a system and a method therefor capable of reducing the amount of heat which must be supplied to a regeneration tower for regenerating an absorbent in an acid gas capture process for such acid gas as carbon dioxide and provides a low energy-type acid gas capture system and method using recirculation of an absorbent capable of reducing energy consumption by recirculating the absorbent, from which acid gas has been pre-separated, to an absorption tower before supplying the absorbent to the regeneration tower in an acid gas capture system.Type: GrantFiled: March 7, 2014Date of Patent: September 12, 2017Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Il Hyun Baek, Jong Kyun You, Ki-Tae Park, JeongnNam Kim, SungYoun Kim
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Patent number: 9757680Abstract: Disclosed is a system and method of separating and collecting acid gas such as carbon dioxide in which the energy consumption in a stripping column for regenerating an absorbent may be reduced. In the system and method, the energy consumption may be reduced using heat generated during the acidic gas separation and collection processes. In the system and method, a low-temperature condensate from a condenser may be preheated by heat exchange with a high-temperature processed gas, and then supplied into the stripping column, thereby to reduce the heat duty of a reboiler and the energy consumption in the condenser for cooling. A partial flow of a carbon diode-absorbed absorbent from an absorber column may be preheated by heat exchange with high-temperature processed gas from an upper portion of the stripping column, and then supplied into the stripping column, thereby to further reduce the heat duty of the reboiler.Type: GrantFiled: December 9, 2013Date of Patent: September 12, 2017Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Il Hyun Baek, Jong Kyun You, Ki-Tae Park
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Publication number: 20170065928Abstract: The present invention relates to a system and a method therefor capable of reducing the amount of heat which must be supplied to a regeneration tower for regenerating an absorbent in an acid gas capture process for such acid gas as carbon dioxide and provides a low energy-type acid gas capture system and method using recirculation of an absorbent capable of reducing energy consumption by recirculating the absorbent, from which acid gas has been pre-separated, to an absorption tower before supplying the absorbent to the regeneration tower in an acid gas capture system.Type: ApplicationFiled: March 7, 2014Publication date: March 9, 2017Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Il Hyun BAEK, Jong Kyun YOU, Ki-Tae PARK, JeongnNam KIM, SungYoun KIM
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Patent number: 9579599Abstract: Provided is a system and method in which a heat amount to be supplied to a regeneration tower for regenerating an absorbent may be lowered in an acidic gas capturing system for capturing acidic gas such as carbon dioxide. According to the system and method of capturing acidic gas, heat generated in the system itself is used to reduce energy consumption. According to the system and method of the inventive concept, heat exchange is conducted between low-temperature separated water generated in a capturing process and high-temperature processing gas to thereby reduce a cooling capacity of a condenser when condensing the processing gas, and also, a reboiler heat duty may be lowered by introducing the low-temperature separated water in a preheated state into the regeneration tower.Type: GrantFiled: December 9, 2013Date of Patent: February 28, 2017Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Il Hyun Baek, Jong Kyun You, Ki-Tae Park
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Publication number: 20170014767Abstract: The present invention relates to a system and a method therefor capable of reducing the amount of heat which must be supplied to a regeneration tower for regenerating an absorbent in an acid gas capture system for such acid gas as carbon dioxide, and provides an acid gas capture system and an acid gas capture method capable of reducing energy consumption by using the heat from the system itself in an acid gas capture system. The system and method according to the present invention have the benefit of saving energy by lowering the thermal demand of a reboiler by using the low-temperature steam condensate generated in the capture system to cool the upper end of the regeneration tower and a steam generator and compressor.Type: ApplicationFiled: March 7, 2014Publication date: January 19, 2017Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Il Hyun BAEK, Jong Kyun YOU, Ki-Tae PARK, SeongKi LEE, YongWoon LEE
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Publication number: 20160303505Abstract: The present invention relates to an acid gas capture system and method which can reduce the energy consumption by using the heat from the system itself of an acid gas capture system. The system and method according to the present invention causes heat exchange to occur between an absorbent discharged from the upper part of an absorption tower of the capture system and a mixed gas comprising an acid gas, and a portion of an absorbent solution which has absorbed the acid gas discharged from the lower part of the absorption tower, and additionally, the remaining absorbent solution excluding said portion thereof undergoes heat exchange with the regenerated high-temperature absorbent solution discharged from the reboiler to preheat the absorbent solution supplied to the regeneration tower, thereby reducing the thermal energy required by same.Type: ApplicationFiled: December 9, 2013Publication date: October 20, 2016Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Il Hyun BAEK, Jong Kyun YOU, Ki-Tae PARK
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Publication number: 20160296879Abstract: Disclosed is a system and method of separating and collecting acid gas such as carbon dioxide in which the energy consumption in a stripping column for regenerating an absorbent may be reduced. In the system and method, the energy consumption may be reduced using heat generated during the acidic gas separation and collection processes. In the system and method, a low-temperature condensate from a condenser may be preheated by heat exchange with a high-temperature processed gas, and then supplied into the stripping column, thereby to reduce the heat duty of a reboiler and the energy consumption in the condenser for cooling. A partial flow of a carbon diode-absorbed absorbent from an absorber column may be preheated by heat exchange with high-temperature processed gas from an upper portion of the stripping column, and then supplied into the stripping column, thereby to further reduce the heat duty of the reboiler.Type: ApplicationFiled: December 9, 2013Publication date: October 13, 2016Inventors: Il Hyun BAEK, Jong Kyun YOU, Ki-Tae PARK
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Publication number: 20160263517Abstract: Provided are a system and method of reducing heat duty that has to be provided to a regenerator for regenerating an absorber in a system for capturing acidic gas such as carbon dioxide, that is, an acidic gas capture system and method capable of reducing energy consumption by utilizing heat generated by the acidic gas capture system itself. The system and method reduce a cooling capacity of a condenser by exchanging heat between condensed water of a low temperature generated by the capture system and processed gas of a high temperature to preheat the condensed water, or reduce a reboiler heat duty by inflowing the condensed water of a low temperature to a regeneration heat after being preheated. In addition, the condensed water of the low temperature may be selectively used to cool down a scrubber located at an upper portion of the absorber or a dilute solution.Type: ApplicationFiled: December 9, 2013Publication date: September 15, 2016Inventors: Il Hyun BAEK, Jong Kyun YOU, Ki-Tae PARK