Pyridine modified Pd/SiO2 catalyst for direct synthesis of H2O2

DA Guojin; OUYANG Like; XU Jing; HAN Yifan

doi:10.3969/j.issn.0438-1157.2013.02.021

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Pyridine modified Pd/SiO₂ catalyst for direct synthesis of H₂O₂

更新时间：2025-12-10

- Pyridine modified Pd/SiO₂ catalyst for direct synthesis of H₂O₂
- CIESC Journal Issue 2, Pages: 561-567(2013)
- 作者机构：
  
  华东理工大学,化学工程联合国家重点实验室,上海,200237
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2013.02.021
  CLC： 614.8
- Online First：05 February 2013，
  
  Published：05 February 2013
- 稿件说明：
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DA Guojin, OUYANG Like, XU Jing, et al. Pyridine modified Pd/SiO₂ catalyst for direct synthesis of H₂O₂[J]. CIESC Journal, 2013, (2): 561-567. DOI: 10.3969/j.issn.0438-1157.2013.02.021.
DOI：

DA Guojin, OUYANG Like, XU Jing, et al. Pyridine modified Pd/SiO₂ catalyst for direct synthesis of H₂O₂[J]. CIESC Journal, 2013, (2): 561-567. DOI: 10.3969/j.issn.0438-1157.2013.02.021. DOI：

摘要

Abstract

Direct synthesis of H2O2 from H2 and O2 is a green process as compared to the conventional anthraquinone oxidation route.In this study

Pd/SiO2 catalysts modified with pyridine were prepared for direct synthesis of H2O2.Comparing to Pd/SiO2 catalyst

performance of pyridine modified Pd/SiO2 for H2O2 formation was enhanced remarkably

and productivity of H2O2 increased by a factor of 3.For pyridine modified Pd/SiO2 catalyst

the rate of H2O2 formation reached a maximum when the ratio of hydrogen to oxygen was 1:2.The structure of pyridine modified Pd/SiO2 catalyst was characterized by using X-ray diffraction (XRD) and diffuses reflection infrared Fourier Transform spectra(DRIFTS).The changes in DRIFTS spectra indicated that Pd surface structure was significantly altered by pyridine

favoring H2O2 formation.

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