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作者:

Lin, Hongxia (Lin, Hongxia.) | Liu, Yuxi (Liu, Yuxi.) | Deng, Jiguang (Deng, Jiguang.) | Jing, Lin (Jing, Lin.) | Dai, Hongxing (Dai, Hongxing.) (学者:戴洪兴)

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Scopus SCIE

摘要:

Methane is the most stable hydrocarbon with a regular tetrahedral structure, which can be activated and oxidized above 1000 degrees C in conventional combustion. Catalytic oxidation is an effective way to eliminate lean methane under mild conditions, and the key issue is to develop the catalysts with high efficiencies, good stability, and high selectivities. Catalytic combustion of low-concentration methane can realize the light-off and deep conversion at low temperatures, thus achieving complete combustion with fewer byproducts below 500 degrees C. This review article summarizes the recent advances in preparation of ordered porous oxides and supported noble metal catalysts and their methane combustion applications. The results reveal that the superior performance (good hydrothermal stability and excellent moisture- or sulfur-resistant behavior) is associated with the well-ordered and developed three-dimensional porous structure, large surface area, ultrahigh component dispersion, fast mass transfer, low-temperature reducibility, reactant activation ability, and strong interaction between metal and support. In addition, the development trend of porous oxides for industrial applications in the future is also proposed.

关键词:

hydrothermal stability porous catalyst preparation sulfur dioxide resistance supported noble metals ordered porous metal oxides methane combustion

作者机构:

  • [ 1 ] [Lin, Hongxia]Beijing Univ Technol, Fac Environm & Life, Dept Chem Engn, Beijing Key Lab Green Catalysis & Separat,Key Lab, Beijing 100124, Peoples R China
  • [ 2 ] [Liu, Yuxi]Beijing Univ Technol, Fac Environm & Life, Dept Chem Engn, Beijing Key Lab Green Catalysis & Separat,Key Lab, Beijing 100124, Peoples R China
  • [ 3 ] [Deng, Jiguang]Beijing Univ Technol, Fac Environm & Life, Dept Chem Engn, Beijing Key Lab Green Catalysis & Separat,Key Lab, Beijing 100124, Peoples R China
  • [ 4 ] [Jing, Lin]Beijing Univ Technol, Fac Environm & Life, Dept Chem Engn, Beijing Key Lab Green Catalysis & Separat,Key Lab, Beijing 100124, Peoples R China
  • [ 5 ] [Dai, Hongxing]Beijing Univ Technol, Fac Environm & Life, Dept Chem Engn, Beijing Key Lab Green Catalysis & Separat,Key Lab, Beijing 100124, Peoples R China

通讯作者信息:

  • [Dai, Hongxing]Beijing Univ Technol, Fac Environm & Life, Dept Chem Engn, Beijing Key Lab Green Catalysis & Separat,Key Lab, Beijing 100124, Peoples R China;;

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来源 :

CATALYSTS

年份: 2023

期: 2

卷: 13

3 . 9 0 0

JCR@2022

ESI学科: CHEMISTRY;

ESI高被引阀值:20

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