MoP with rich species generated via radio frequency thermal plasma for higher alcohols synthesis from syngas

Xingyue QI (祁兴月); Xuemin LIU (刘学敏); Jianli LI (李建立); Hao QU (屈皓); Yue SU (苏越); Haiquan SU (苏海全)

doi:10.1088/2058-6272/ab9eae

Plasma Science and Technology > 2020 > 22(10): 105502. > DOI: 10.1088/2058-6272/ab9eae

Xingyue QI (祁兴月), Xuemin LIU (刘学敏), Jianli LI (李建立), Hao QU (屈皓), Yue SU (苏越), Haiquan SU (苏海全). MoP with rich species generated via radio frequency thermal plasma for higher alcohols synthesis from syngas[J]. Plasma Science and Technology, 2020, 22(10): 105502. DOI: 10.1088/2058-6272/ab9eae

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MoP with rich species generated via radio frequency thermal plasma for higher alcohols synthesis from syngas

¹ Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People's Republic of China
² School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, People's Republic of China

Funds: The authors would like to acknowledge the National Natural Science Foundation of China (No. 21476118), Major Projects of Inner Mongolia Natural Science Foundation (2019ZD01), Inner Mongolia Science & Technology Plan (Nos. 30500- 515330303), Inner Mongolia Major Science and Technology Project (No. 21300-5193901), and Prairie Excellence Inno- vation and Entrepreneurial Team of Inner Mongolia (No. 12000-12102413).

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Received Date: January 14, 2020
Revised Date: June 15, 2020
Accepted Date: June 18, 2020

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Abstract

Abstract

In this paper, the molybdenum phosphide (MoP) catalysts (TPR-MoP and TPR-MoP-Pla) were prepared by the traditional method and the RF (radio frequency) thermal plasma technique respectively and characterized by x-ray diffraction (XRD), x-ray photoelectron spectroscopy (XPS), transmission electron microscope (TEM), hydrogen temperature-programmed desorption (H₂-TPD) and carbon monoxide temperature-programmed desorption (CO-TPD) measurements, and their catalytic performance for HAS was evaluated. The results showed that the total and C₂₊ alcohols selectivity of the catalyst after plasma treatment (TPR-MoP-Pla) were enhanced. The enhanced catalytic performance could be related to more dislocation defects and the synergistic effect between Mo^0–2+ and Mo⁴⁺ valence species in the TPR-MoP-Pla catalyst. In addition, this work suggests that thermal plasma treatment can be used as a new preparation technique for the synthesis of materials with rich species.
- RF thermal plasma,
- MoP catalysts,
- syngas,
- higher alcohols

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References (59)

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