Process of hydrogen peroxide mediated thermal reduction of carbon dioxide to carbon products over copper, involves charging dendritic Zerovalent copper into autoclaved batch reactor followed by adding hydrogen peroxide and water, sealing, placing thermal reactor in oil bath, cooling down and storing
	KAUSHIK J; KUMAR V; SONKAR S K
	2023-09-15
专利权人	MALAVIYA NAT INST TECHNOLOGY (MALA-Non-standard)
申请日期	2023-09-15
专利号	IN202311062216-A
成果简介	NOVELTY - Process of hydrogen peroxide (H2O2) mediated thermal reduction of carbon dioxide (CO2) to carbon products over copper, involves (a) Charging the dendritic Zerovalent copper (2 parts for every 5 parts of the solution) into an autoclaved batch reactor followed by adding 15 wt.% concentration of hydrogen peroxide and water in ratio 1:1, (b) Sealing the autoclave and pressurizing at 10 bars CO2 gas in to the reactor keeping all the valves tightly closed, (c) Placing the thermal reactor in an oil bath supported by continuous heating at the 100-150°C temperature and mechanical stirring, (d) Cooling down the reactor to room temperature after the reaction is completed, (e) Collecting the gaseous content in the Tedler bag for gas analysis after cooling and venting out remaining gas safely, and (f) Storing the aqueous product mixture at a low temperature (5°C) before product separation. USE - Process of hydrogen peroxide (H2O2) mediated thermal reduction of carbon dioxide (CO2) to carbon products over copper. ADVANTAGE - The thermal reduction synthesizes substantial amount of acetic acid (~1.3-2.9M) with almost ~98%-99% selectivity in 10-15 hours. The process is advantageous in terms of faster kinetics, selectivity and already established thermal industrial technologies, and it can be considered to have the capability of real-time reduction of petrol engine and diesel engine exhaust to valuable acetic acid and also can be extended to a well-engineered device attached to exhaust pipes of vehicles. The process provides high yield and selectivity of acetic acid along with traces of carbon monoxide (CO), methanol and ethanol by dendritic Zerovalent opper in batch-type reactor at near-ambient conditions and higher conversion rates and already established industrial thermal instruments for scalability, have the capability of real-time reduction of petrol engine and diesel engine exhaust to valuable acetic acid. It is advantageous in terms of faster kinetics compared to other electrochemical and photochemical methods.
IPC 分类号	B01D-053/32 ; B01D-053/86 ; B01J-021/02 ; B01J-023/72 ; C07C-001/02 ; C07C-011/04 ; C25B-011/091 ; C25B-003/26
国家	印度
专业领域	化学化工
语种	英语
成果类型	专利
文献类型	科技成果
条目标识符	http://119.78.100.226:8889/handle/3KE4DYBR/20381
专题	中国科学院新疆生态与地理研究所
作者单位	MALAVIYA NAT INST TECHNOLOGY (MALA-Non-standard)
推荐引用方式 GB/T 7714	KAUSHIK J,KUMAR V,SONKAR S K. Process of hydrogen peroxide mediated thermal reduction of carbon dioxide to carbon products over copper, involves charging dendritic Zerovalent copper into autoclaved batch reactor followed by adding hydrogen peroxide and water, sealing, placing thermal reactor in oil bath, cooling down and storing. IN202311062216-A[P]. 2023.

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