Plasma enhanced C1-chemistry: towards greener methane conversion
Direct conversion of methane to methanol is considered as a promising next-generation green technology, because it would eliminate energy intense, high temperature syngas production. Before 2000, various catalysts and thermochemical reaction systems were investigated towards converting direct methane to methanol; however, one-pass yield of methanol was <5%. More recently, bioreaction and photochemical synthesis have attracted keen attention, because these processes use renewable solar energy. However, the yield and productivity are still the main issues. This paper presents a low temperature (<600 K), direct conversion of methane to methanol/syngas via non-thermal plasma technology, which enables one-pass liquid yield of 20% (sum of CH3OH, HCHO and HCOOH), with selectivity between 40 and 60%. First, it emphasizes the impact of plasma catalysis in the future sustainable energy system. Second, the principle of micro-channel plasma chemical reactor is presented, then experimental results are overviewed based on our work. Finally, concluding remarks are provided..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2012 |
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| Erschienen: |
De Gruyter ; 2012 |
| Reproduktion: |
Walter de Gruyter Online Zeitschriften |
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| Enthalten in: |
Zur Gesamtaufnahme - volume:1 |
| Enthalten in: |
Green processing & synthesis - 1(2012), 6 vom: 29. Nov., Seite 517-523 |
| Beteiligte Personen: |
Nozaki, Tomohiro [VerfasserIn] |
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| Links: |
doi.org [Deutschlandweit zugänglich] |
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| Themen: |
C1-chemistry |
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| Umfang: |
7 |
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| doi: |
10.1515/gps-2012-0074 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLEJ246905239 |
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| 520 | |a Direct conversion of methane to methanol is considered as a promising next-generation green technology, because it would eliminate energy intense, high temperature syngas production. Before 2000, various catalysts and thermochemical reaction systems were investigated towards converting direct methane to methanol; however, one-pass yield of methanol was <5%. More recently, bioreaction and photochemical synthesis have attracted keen attention, because these processes use renewable solar energy. However, the yield and productivity are still the main issues. This paper presents a low temperature (<600 K), direct conversion of methane to methanol/syngas via non-thermal plasma technology, which enables one-pass liquid yield of 20% (sum of CH3OH, HCHO and HCOOH), with selectivity between 40 and 60%. First, it emphasizes the impact of plasma catalysis in the future sustainable energy system. Second, the principle of micro-channel plasma chemical reactor is presented, then experimental results are overviewed based on our work. Finally, concluding remarks are provided. | ||
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