非均相类Fenton催化剂脱汞的实验与机理

周长松; 孙路石; 张安超; 吴晓峰; 马川; 苏胜; 胡松; 向军

doi:10.11949/j.issn.0438-1157.20141672

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非均相类Fenton催化剂脱汞的实验与机理

催化、动力学与反应器 | 更新时间：2025-12-10

- 非均相类Fenton催化剂脱汞的实验与机理
- Catalytic removal of Hg⁰ in flue gas by heterogeneous Fenton-like catalysts
- 化工学报 2015年第4期页码：1324-1330
- 作者机构：
  
  1. 华中科技大学煤燃烧国家重点实验室,湖北,武汉,430074
  2. 河南理工大学机械与动力工程学院,河南,焦作,454000
- 作者简介：
  
  周长松(1990-),男,博士研究生.
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20141672
  中图分类号： Q534.9
- 网络首发：2015-04-05，
  
  纸质出版：2015-04-05
- 稿件说明：
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周长松, 孙路石, 张安超, 等. 非均相类Fenton催化剂脱汞的实验与机理[J]. 化工学报, 2015,(4):1324-1330.

ZHOU Changsong, SUN Lushi, ZHANG Anchao, et al. Catalytic removal of Hg⁰ in flue gas by heterogeneous Fenton-like catalysts[J]. CIESC Journal, 2015, (4): 1324-1330. DOI: 10.11949/j.issn.0438-1157.20141672.
周长松, 孙路石, 张安超, 等. 非均相类Fenton催化剂脱汞的实验与机理[J]. 化工学报, 2015,(4):1324-1330. DOI： 10.11949/j.issn.0438-1157.20141672.

ZHOU Changsong, SUN Lushi, ZHANG Anchao, et al. Catalytic removal of Hg⁰ in flue gas by heterogeneous Fenton-like catalysts[J]. CIESC Journal, 2015, (4): 1324-1330. DOI: 10.11949/j.issn.0438-1157.20141672. DOI：

摘要

采用共沉淀法分别制备Ti、Co、Cu掺杂Fe3O4的非均相类Fenton催化剂

在小型实验台架上进行非均相类Fenton反应脱汞的实验研究。利用X射线衍射(XRD)、扫描电子显微镜(SEM)对催化剂的晶体结构和形貌进行了表征。实验考察了掺杂前Fe3O4和掺杂后Fe2.59Ti0.41O4、Fe2.52Co0.48O4、Fe2.44Cu0.56O4催化剂的类Fenton脱汞性能

并通过电子顺磁共振技术(EPR)分析了非均相类Fenton脱汞的机理。结果表明:Ti、Cu掺杂后的催化剂具有较高的催化活性

的强氧化作用是类Fenton脱汞的主要原因。

Abstract

A series of heterogeneous Fenton-like catalysts

un-doped and doped Fe3O4 with Ti

and Cu was prepared by co-precipitation method and used for the removal of elemental mercury in flue gas. The evaluation experiments were carried out in a laboratory scale reactor. The crystal structure and morphology of these catalysts were characterized by X-ray diffraction (XRD) and scanning electron microscope (SEM). The effect of H2O2 concentration and acid gases such as SO2 and NO on removal efficiency of mercury were systematically examined. The electron paramagnetic resonance (EPR) was employed to study the mechanism of mercury removal by heterogeneous Fenton-like catalytic reaction. The results showed that the catalysts doped with Ti and Cu show high activity for the removal of elemental mercury

and this high activity could be contributed to produce more radicals by these heterogeneous Fenton-like catalysts during Hg0 removal reactions.

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