催化作用
活性炭
活化能
等离子体
金属
相(物质)
碳纤维
化学
兴奋剂
无机化学
分析化学(期刊)
核化学
材料科学
物理化学
有机化学
吸附
量子力学
复合数
物理
复合材料
光电子学
作者
Xueli Hu,Xinbo Zhu,Xiqiang Wu,Yuxiang Cai,Xin Tu
标识
DOI:10.1002/ppap.202000072
摘要
Abstract In this study, plasma‐enhanced NH 3 synthesis over a series of M/AC (M = Ru, Co, Ni, and Fe) catalysts was investigated. The combination of the plasma and activated carbon (AC) enhanced the reaction performance compared with the reaction using plasma alone. The doping of active metal on AC further improved the reaction performance by up to 37.3%. The highest NH 3 concentration of 3,026.5 ppm was obtained over Ru/AC at a specific input energy (SIE) of 12.5 kJ/L, followed by Co/AC, Fe/AC, and Ni/AC. The highest energy efficiency of 0.72 g/kWh was achieved at an SIE of 8.0 kJ/L when using the Ru/AC catalyst. Catalyst characterizations showed that the basicity of the M/AC catalysts plays an important role in the plasma‐enhanced catalytic synthesis of NH 3 . The reaction mechanism in the plasma‐enhanced NH 3 synthesis was also discussed.
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