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Volume 38 Issue 5
Aug.  2020
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Article Navigation >  ENVIRONMENTAL ENGINEERING  > 2020  >  38(5): 102-106
HU Shen-da, SU Wei, XING Yi, ZHANG Zhen-wei, ZHOU Jing, WANG Jian, XIA Jing-liang. PILOT-SCALE TEST ON REMOVAL OF NOx AND SO2 FROM SINTERING FLUE GAS BY OZONE OXIDATION COMBINED WITH MAGNESIUM WET ABSORPTION[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(5): 102-106. doi: 10.13205/j.hjgc.202005018
Citation: HU Shen-da, SU Wei, XING Yi, ZHANG Zhen-wei, ZHOU Jing, WANG Jian, XIA Jing-liang. PILOT-SCALE TEST ON REMOVAL OF NOx AND SO2 FROM SINTERING FLUE GAS BY OZONE OXIDATION COMBINED WITH MAGNESIUM WET ABSORPTION[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(5): 102-106. doi: 10.13205/j.hjgc.202005018
shu

PILOT-SCALE TEST ON REMOVAL OF NOx AND SO2 FROM SINTERING FLUE GAS BY OZONE OXIDATION COMBINED WITH MAGNESIUM WET ABSORPTION

doi: 10.13205/j.hjgc.202005018

  • 1. Beijing University of Science and Technology, Beijing 100091, China;

  • 2. Shoucheng(Beijing) Science & Trade Co., Ltd, Beijing 101300, China;

  • 3. Zhongjing Environmental Technology Co., Ltd, Beijing 100176, China

  • Received Date: 2019-09-30
    Abstract
  • In order to explore the practical application of sintering flue gas purification technology of ozone oxidation combined with magnesium wet absorption, a pilot study on simulated sintering flue gas was carried out. The ultra-low emission route of desulfuration and denitrification by MgO absorption technology was studied and verified by a pilot scale test platform. The results showed that, flue gas volume of 1000 m3/h, SO2 concentration of 1500 mg/m3, NO concentration of 280 mg/m3, smoke temperature of 130 ℃ and n(O3)∶n(NO) above 1.5∶1, the NO oxidation efficiency could reach 100%, the total NOx removal rate of the system reached 90%, and the NOx concentration at the outlet could be maintained in 20~35 mg/m3. The results showed that the application of ozone oxidation-MgO absorption technology in desulfurization and denitrification of sintering flue gas could meet the ultra-low emission standards of sulfur oxides and nitrogen oxides in the iron and steel industry.
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