富氧燃烧方式下烟气中SO3和Hg的排放及控制研究进展

doi:10.12034/j.issn.1009-606X.219176

摘要/Abstract

摘要： 富氧燃烧技术可有效控制温室气体排放，是一种具有应用潜力的节能减排技术。本工作系统总结分析了富氧燃烧方式下关键烟气组分(SOx, NOx, H2O, Cl2/HCl等)对SO3和Hg排放规律的影响及飞灰对烟气中SO3吸附去除和Hg富集规律的影响，提出了富氧燃烧方式下较优的具可行性的污染物协同控制技术建议，为富氧燃烧技术工业应用面临的污染物协同控制提供重要参考。分析了目前富氧燃烧方式下SO3和Hg排放规律及优化控制研究存在的问题，对未来的研究方向提出了建议。

关键词: 富氧燃烧, SO3, Hg, 排放规律, 污染物控制

Abstract: Oxy-fuel combustion technology, an effective greenhouse gas emission control technology, is an energy conservation and emission reduction technology with potential application. In this work the effects of flue gas components (SOx, NOx, H2O, Cl2/HCl etc.) on the formation of SO3 and Hg under oxy-fuel combustion condition, and the effects of fly ash on the adsorption and removal of SO3 and Hg enrichment in flue gas were systematically summarized and analysed. The feasible technical suggestions for synergistic control of SO3 and Hg under oxy-fuel combustion were put forward, which provides an important reference for the synergistic control of pollutants in the industrial application of oxy-fuel combustion. At the same time, the emission characteristics of SO3 and Hg under the current oxy-fuel combustion and the existing problems in the research direction of optimization control were analysed, and some suggestions for the future research direction were put forward.

Key words: oxygen-enriched combustion, sulfur trioxide, mercury, Emission characteristics, contaminant control

刘仕尧黄家玉罗锦洪邓双郭凤艳. 富氧燃烧方式下烟气中SO₃和Hg的排放及控制研究进展[J]. 过程工程学报, 2019, 19(S1): 115-122.

Shiyao LIU Jiayu HUANG Jinhong LUO Shuang DENG Fengyan GUO. Research progress on emission and control of SO₃ and mercury in oxy-fuel combustion flue gas[J]. Chin. J. Process Eng., 2019, 19(S1): 115-122.

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富氧燃烧方式下烟气中SO₃和Hg的排放及控制研究进展

Research progress on emission and control of SO₃ and mercury in oxy-fuel combustion flue gas

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