Highly efficient nitrogen fixation enabled by an atmospheric pressure rotating gliding arc
Highly efficient nitrogen fixation enabled by an atmospheric pressure rotating gliding arc
复制标题
大气压旋转滑翔弧实现高效固氮
DOI:
10.1002/ppap.202000200
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发表时间:
2021-04
影响因子:
3.5
通讯作者:
Xin Tu
中科院分区:
文献类型:
--
作者:
Hang Chen;Angjian Wu;Stéphanie Mathieu;Peihan Gao;Xiaodong Li;Bo Z. Xu;Jianhua Yan;Xin Tu
A rotating gliding arc is proposed as a promising alternative to enable direct nitrogen fixation from ubiquitous air under mild conditions. The effect of different process parameters on NOxgeneration and energy consumption has been investigated through a combination of experiments and artificial neural network (ANN) modeling. The optical emission spectroscopic diagnostics together with electrical diagnostics and high‐speed photography has been used to understand the variation of the discharge characteristics. The lowest energy consumption of NOxproduction (4.2 MJ/mol) is achieved at a gas flow rate of 12 L/min and an O2concentration of 20 vol%. The simulation results from the ANN model show a good agreement with the experimental data and the model enables us to evaluate the relative importance of the process parameters to the reaction performance.
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