PMID: 15242154Jul 10, 2004Paper

Emissions of sulfur trioxide from coal-fired power plants

Journal of the Air & Waste Management Association
R K SrivastavaR Jambhekar

Abstract

Emissions of sulfur trioxide (SO3) are a key component of plume opacity and acid deposition. Consequently, these emissions need to be low enough to not cause opacity violations and acid deposition. Generally, a small fraction of sulfur (S) in coal is converted to SO3 in coal-fired combustion devices such as electric utility boilers. The emissions of SO3 from such a boiler depend on coal S content, combustion conditions, flue gas characteristics, and air pollution devices being used. It is well known that the catalyst used in the selective catalytic reduction (SCR) technology for nitrogen oxides control oxidizes a small fraction of sulfur dioxide in the flue gas to SO3. The extent of this oxidation depends on the catalyst formulation and SCR operating conditions. Gas-phase SO3 and sulfuric acid, on being quenched in plant equipment (e.g., air preheater and wet scrubber), result in fine acidic mist, which can cause increased plume opacity and undesirable emissions. Recently, such effects have been observed at plants firing high-S coal and equipped with SCR systems and wet scrubbers. This paper investigates the factors that affect acidic mist production in coal-fired electric utility boilers and discusses approaches for mitigating...Continue Reading

References

Oct 31, 1998·Fertility and Sterility·J RubesA J Wyrobek
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Citations

Jul 17, 2009·Journal of the Air & Waste Management Association·Joo-Youp LeeY Jeffery Yang
May 14, 2010·Inhalation Toxicology·Choong-Min KangPetros Koutrakis
Jun 24, 2016·Journal of the Air & Waste Management Association·Danping PanRongting Huang
Jul 1, 2016·Environmental Science and Pollution Research International·Jiayu HuangYu Liu
Dec 31, 2016·Rapid Communications in Mass Spectrometry : RCM·Xing FanJin-Li Lu
May 23, 2019·Environmental Science and Pollution Research International·Haiping XiaoJinlin Ge
Oct 31, 2019·Environmental Science and Pollution Research International·Bing ChenLijie Zhang
Jan 11, 2020·Environmental Science and Pollution Research International·Haiping XiaoYu Ru
Dec 18, 2019·Environmental Science and Pollution Research International·Yang ZhangXiang Gao
Nov 17, 2020·Environmental Science & Technology Letters·Lei YaoFederico Bianchi
Oct 6, 2017·Environmental Science & Technology·Nujhat N Choudhury, Bihter Padak
Feb 26, 2019·Environmental Science & Technology·Zequn YangKaimin Shih
Feb 12, 2020·Environmental Science & Technology·Zhengda YangXiang Gao
Oct 24, 2007·Environmental Science & Technology·Albert A Presto, Evan J Granite
Mar 29, 2007·The Journal of Physical Chemistry. a·Lusi HindiyartiPaul Marshall
Sep 8, 2021·Environmental Monitoring and Assessment·Katarzyna Korszun-KlakRafal Kobylecki

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