Research progress of ozone oxidation denitrification technology

JI Ruijun; XU Wenqing; WANG Jian; YAN Chaoyu; ZHU Tingyu

doi:10.11949/j.issn.0438-1157.20171596

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Research progress of ozone oxidation denitrification technology

更新时间：2025-12-10

- Research progress of ozone oxidation denitrification technology
- CIESC Journal Issue 6, Pages: 2353-2363(2018)
- 作者机构：
  
  1. 中国科学院过程工程研究所湿法冶金清洁生产技术国家工程实验室,北京,100190
  2. 中国石油大学(北京)重质油国家重点实验室,北京,102249
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20171596
  CLC： 511
- Online First：05 June 2018，
  
  Published：05 June 2018
- 稿件说明：
移动端阅览
JI Ruijun, XU Wenqing, WANG Jian, et al. Research progress of ozone oxidation denitrification technology[J]. CIESC Journal, 2018, (6): 2353-2363.
DOI：

JI Ruijun, XU Wenqing, WANG Jian, et al. Research progress of ozone oxidation denitrification technology[J]. CIESC Journal, 2018, (6): 2353-2363. DOI： 10.11949/j.issn.0438-1157.20171596.

摘要

区别于还原法脱硝技术，臭氧氧化脱硝技术将NO氧化为易溶于水的NO2和N2O5等，结合后续吸收工艺进行脱硝。臭氧氧化脱硝技术已经广泛应用于催化裂化、工业锅炉烟气NOx排放控制。结合臭氧氧化技术的工艺特点及反应动力学，分析了复杂烟气组分中NO氧化的选择性，重点关注臭氧与NO摩尔比、反应温度和停留时间等关键工艺参数对氧化产物组成的影响。通过阐述湿法与半干法脱硫工艺中的硫硝协同吸收原理，分析吸收剂、吸收气体组成、添加剂等因素对吸收效率的影响。在此基础上，提出臭氧氧化脱硝技术研究中存在的不足以及此技术未来的发展前景。

Abstract

Ozone oxidation denitrification technology first oxidizes NO into water-soluble nitrogen oxides such as NO2 and N2O5

followed by absorption process for denitration

which is different from reduction denitration technologies. It has been widely used in NOx emission control of catalytic cracking and industrial boiler flue gases. The technological characteristics and reaction kinetics of ozone oxidation denitrification technology were discussed

the oxidation selectivities of NO in complex flue gases were analyzed

and the effects of ozone and NO molar ratio

reaction temperature and residence time on the composition of oxidation products were studied. After that

the influence of absorbents

absorption gas compositions and additives on absorption efficiencies was analyzed by elaborating the principle of synergistic absorption of sulfur dioxide and nitrogen oxides in both wet and semi dry desulfurization processes. Based on the above discussion

the deficiencies in the research of ozone oxidation denitration technology were put forward and the future development of this technology was proposed.

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