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Study on the competitive absorption between complex components in flue gas and SO 3 by alkaline absorbent

Fuel, ISSN: 0016-2361, Vol: 353, Page: 129222
2023
  • 4
    Citations
  • 0
    Usage
  • 1
    Captures
  • 1
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    4
  • Captures
    1
  • Mentions
    1
    • News Mentions
      1
      • News
        1

Most Recent News

Studies Conducted at Huazhong University of Science and Technology on Fuel Research Recently Reported (Study On the Competitive Absorption Between Complex Components In Flue Gas and So3 By Alkaline Absorbent)

2023 DEC 04 (NewsRx) -- By a News Reporter-Staff News Editor at Energy Daily News -- Investigators publish new report on Energy - Fuel Research.

Article Description

SO 3 in coal-fired flue gas will cause equipment corrosion and the emission of sulfuric acid mist. The complex component in the flue gas will affect the performance of alkaline absorbent. In this study, a fixed bed reactor was used to evaluate the absorption performance of SO 3 by a variety of absorbents. Then, on this basis, the competition between SO 3 and SO 2, SO 3 and HCl were studied by the fixed bed reactor. The effect of oxygen on the competitive absorption of SO 3 and SO 2 by absorbents was also investigated. Further, when SO 2, HCl and SO 3 existed simultaneously, the competitive reactions between multiple gases were investigated. The influence of SO 2 and HCl on SO 3 absorption was evaluated. Carbonate absorbents had stronger absorption capacity than other absorbents. In the adsorption process of SO 3 by Na 2 CO 3, the presence of SO 2 inhibited the absorption of SO 3 by Na 2 CO 3, and oxygen oxidized Na 2 SO 3 to produce Na 2 SO 4, which affected the reaction between SO 3 and Na 2 CO 3.There was strong competition between SO 3 and SO 2. In the process of SO 3 adsorption by Na 2 CO 3, the presence of HCl had an inhibitory effect on the absorption of SO 3, SO 3 could significantly inhibit the absorption of HCl. When SO 2, HCl and SO 3 existed simultaneously, SO 2 had a stronger influence on the adsorption of SO 3 by Na 2 CO 3 and the presence of HCl had little inhibition on the absorption of SO 3 by Na 2 CO 3. The inhibition effect of SO 2 on SO 3 and the inhibition of HCl on SO 3 did not accumulate.

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