Photoreduction of carbon dioxide by ultraviolet light in the presence of copper titanium oxide photocatalyst in CuCl2 solution

Je Lueng Shie, Ching Yuan Chang, Yuan Ha Chen, Chyow San Chiou, Chiung Fen Chang, Yi Hung Chen, Yu Wen Chen

研究成果: 書貢獻/報告類型會議論文篇章同行評審

摘要

The application of a UV/photocatalyst catalyst process to convert the greenhouse air pollutants, i.e., CO2, to useful chemicals was studied. The emission of CO2 to the atmosphere was substantially found in the industrial waste gaseous streams. The photocatalysts used were Ag/TiO2 and Cu/TiO2 prepared by impregnation method. The photocatalytic reductions of CO2 were performed via three different methods. The major product via methods 1 and 2 was methanol. An addition of CuCl2 to the solution containing suspended Cu/TiO2 catalyst could produce CuCl/Cu/TiO2, which further catalytically enhanced the reduction of CO2 and CH3OH, producing CH4 and increasing its yield. The determining step for the production of methane was the additions of Na2CO3 and CuCl2 in the aqueous solution. The orders of concentrations of Na2CO3 enhancing the methane yields were 0.1 > 0.2 > 0.3 > 0.05 M Na2CO3 at 0.1 M CuCl2. Thus, the process is environmentally favorable. This is an abstract of a paper presented at the AWMA's 99th Annual Conference and Exhibition (New Orleans, LA 6/20-23/2006).

原文???core.languages.en_GB???
主出版物標題Proceedings of the Air and Waste Management Association's - 99th Annual Conference and Exhibition 2006
頁面968-978
頁數11
出版狀態已出版 - 2006
事件Air and Waste Management Association's - 99th Annual Conference and Exhibition 2006 - New Orleans, LA, United States
持續時間: 20 6月 200623 6月 2006

出版系列

名字Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, AWMA
2
ISSN(列印)1052-6102

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???event.eventtypes.event.conference???Air and Waste Management Association's - 99th Annual Conference and Exhibition 2006
國家/地區United States
城市New Orleans, LA
期間20/06/0623/06/06

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