吡啶改性Pd/SiO2催化剂用于H2和O2直接合成H2O2

笪国进; 欧阳李科; 徐晶; 韩一帆

doi:10.3969/j.issn.0438-1157.2013.02.021

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吡啶改性Pd/SiO₂催化剂用于H₂和O₂直接合成H₂O₂

催化、动力学与反应器 | 更新时间：2025-12-10

- 吡啶改性Pd/SiO₂催化剂用于H₂和O₂直接合成H₂O₂
- Pyridine modified Pd/SiO₂ catalyst for direct synthesis of H₂O₂
- 化工学报 2013年第2期页码：561-567
- 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：
  
  笪国进(1989—),男,硕士研究生.
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2013.02.021
  中图分类号： 614.8
- 网络首发：2013-02-05，
  
  纸质出版：2013-02-05
- 稿件说明：
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笪国进, 欧阳李科, 徐晶, 等. 吡啶改性Pd/SiO₂催化剂用于H₂和O₂直接合成H₂O₂[J]. 化工学报, 2013,(2):561-567. DOI: 10.3969/j.issn.0438-1157.2013.02.021.

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.
笪国进, 欧阳李科, 徐晶, 等. 吡啶改性Pd/SiO₂催化剂用于H₂和O₂直接合成H₂O₂[J]. 化工学报, 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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