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Unveiling Methane Conversion Catalysts and Techniques

Discover various catalysts and techniques for methane conversion, including Fe@SiO2 and Li-MgO systems, in-situ characterization methods, and product detection in this insightful study.

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Unveiling Methane Conversion Catalysts and Techniques

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  1. Insight into methane conversion Dr. Cao yang Supervised by Pro. Mo 2016.09.23

  2. Contents • Methane conversion route • Catalysts for methane conversion • Technique for study the catalysts • Product detection • Summary for methane conversion • Perspective

  3. Methane Conversion Route

  4. Methane Conversion Route

  5. Catalysts for Methane Conversion Fe@SiO2 catalytic system FeC2Si3Ox catalytic site Xiaoguang Guo et. al.,Science, 2014, 344, 616-619.

  6. Catalysts for Methane Conversion Li-MgO catalytic system Robert Schlçgl et. al., Angew. Chem. Int. Ed., 2014, 53, 1 – 6.

  7. Catalysts for Methane Conversion CuOx/FeOxMolecular sieve system Edward I. Solomon et. al.,PNAS, 2009, 106, 18908-18913. Edward I. Solomon et. al., Nature, 2016, 536, 317-321.

  8. Catalysts for Methane Conversion MO+· catalytic site (Dr. Helmut Schwarz) Nicolas Dietl, Angew. Chem. Int. Ed., 2012, 51, 5544 – 5555. Jilai Li et. al., Angew. Chem. Int. Ed. 2015, 54, 12298 –12302.

  9. Catalysts for Methane Conversion Tl3+-TFA system Roy A. Periana et. al.,Science, 2014, 343, 1232-1236.

  10. Catalysts for Methane Conversion Periana system Roy A. Periana et. al., Science, 1998, 280, 560-564. Roy A. Periana et. al., J. Am. Chem. Soc., 2013, 135, 14644−14658.

  11. Catalysts for Methane Conversion Ag catalysis in sc CO2 Pedro J. Pérez et. al.,Science, 2011, 332, 835−838.

  12. Catalysts for Methane Conversion Ag catalysis in sc CO2 Pedro J. Pérez et. al.,Science, 2011, 332, 835−838.

  13. Catalysts for Methane Conversion Sanford system Melanie S. Sanford et. al.,Science, 2016, 351, 1421-1424.

  14. Characterization Techniques In-situ FT-IR 原位红外技术 In-situ ESR 原位顺磁技术 In-situNMR 原位核磁技术 In-situ UV-Vis 原位紫外-可见光谱技术 Raul F. Lubo et. al., Chem. Soc. Rev., 2010, 39, 4783-4793. Francisco Zaera, Chem. Soc. Rev., 2014, 43, 7624-7663. Teresa Blasco, Chem. Soc. Rev., 2010, 39, 4685-4702. Edward I. Solomon et. al., Nature, 2016, 536, 317-321.

  15. Characterization Techniques 各种原位测试表征技术通过对产品在仪器上进行测试，发现其催化反应前后和催化反应过程中样品中元素的价态、催化活性位点的变化，进而对催化机理进行理解。 这些测试方法是理解反应过程的必要手段。在研究过程中需要对这些手段灵活运用。 EXAFS X-射线光电子能谱技术 In-situ FT-IR 原位红外技术 In-situ ESR 原位顺磁技术 In-situNMR 原位核磁技术 In-situ UV-Vis 原位紫外-可见光谱技术

  16. Characterization Techniques VUV-SPI-MBMS system 单光子电离质谱技术 (ultraviolet soft photoionization molecular-beam mass spectrometry) Xiaoguang Guo et. al.,Science, 2014, 344, 616-619.

  17. Characterization Techniques Xiaoguang Guo et. al.,Science, 2014, 344, 616-619.

  18. Characterization Techniques Xiaoguang Guo et. al.,Science, 2014, 344, 616-619.

  19. Product Detection 产 物 组 成 分 析 质 谱 分 析 气 相 色 谱 分 析 核 磁 分 析

  20. Summary • Methane is the most stable reactant • (even more stable than solvent) • The product may be more reactive than methane • The methane reaction can be studied in solution phase • with strong oxidants.

  21. Plan to do • Design in-situ experiment to study the methane reaction. • Design suitable catalytic system to activate methane.

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