Ability of Shirasu-based Material for Adsorption of Metal Ions and Its Promotion for Catalytic Decomposition of Nitrous Oxide

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外文摘要：This work investigated ability of Shirasu-based material for adsorption of metal ions and their promotion effect for catalytic decomposition of nitrous oxide.Catalytically active cobalt and copper species were adsorbed on the Shirasu-based material by immerse process of aqueous matal solutions.In all the Co/Cu ratios(Co/(Co+Cu)= 1,0.75,and 0.5),cobalt species were preferentially adsorbed on the Shirasu-based material.The cobalt species tended to be adsorbed on the silica sites of the sample with Co/(Co+Cu)= 0.75.and the catalyst exhibited the highest activity for decomposition of nitrous oxide.Introduced nitrous oxide was completely decomposed at the reaction temperatures above 673 K.

外文关键词：

ammonia additiondecomposition of nitrous oxidemetal supported catalystShirasu-based materials

作者：

Tetsuo Umegaki、Daisuke Noguchi、Tsubasa Fukumoto

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作者单位：

Department of Materials and Applied Chemistry,College of Science and Technology,Nihon University,1-8-14,Kanda Surugadai,Chiyoda-ku,Tokyo,101-8308,Japan

National Institute of Technology,Miyakonojo College,473-1,Yoshio,Miyakonojo,Miyazaki,885-8567,Japan

Takachiho Shirasu Co.,Nakakirishima 1719,Yamada,Miyakonojo,Miyazaki,889-4602,Japan

出版年：

2022

DOI：

doi.org/10.1002/slct.202201944

Chemistry Select

ISSN：

年,卷(期)：2022.7(46)