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- Mori Shinsuke
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology
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- Takanami Yuki
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology
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- Fujimoto Yuya
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology
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- Sato Shoma
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology
書誌事項
- タイトル別名
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- Ammonia Synthesis by Pressure Swing of N<sub>2</sub>–H<sub>2</sub> Nonthermal Plasma
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抄録
<p>We proposed a novel ammonia synthesis process in which the pressure of a N2–H2 nonthermal plasma system swung between low and high values to improve energy efficiency of the ammonia synthesis. We compared the energy efficiency, calculated by the amount of ammonia produced and plasma input power between constant-pressure system and pressure-swing one. In the constant pressure system, the highest ammonia formation rate and energy efficiency were obtained at the lowest pressure. On the other hand, the pressure swing system provided a higher ammonia formation rate and energy efficiency than the constant pressure system even though the pressure-swing range is within that of the constant pressure system. Consequently, the highest ammonia formation rate and energy efficiency were obtained by the pressure-swing system. Additionally, the dependence of ammonia formation efficiency on the plasma input power was investigated. In the constant pressure system, the amount of ammonia produced increased linearly with plasma input power. Interestingly, however, in the pressure swing system, the amount of ammonia produced saturated with increasing plasma input power. Therefore, the amount of ammonia produced did not decrease significantly even when the plasma input power was reduced, and the highest energy efficiency of 2.0 g-NH3/kWh was obtained under the minimum plasma input power condition tested for the pressure swing system.</p>
収録刊行物
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- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 53 (9), 498-503, 2020-09-20
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390848647550915328
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- NII論文ID
- 130007906183
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- NII書誌ID
- AA00709658
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- ISSN
- 18811299
- 00219592
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- NDL書誌ID
- 031205367
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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