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Effect of O2 enrichment on acid gas oxidation and formation of COS and CS2 in a rich diffusion flame

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Listed:
  • Li, Yang
  • Guo, Qinghua
  • Yu, Xinlei
  • Dai, Zhenghua
  • Wang, Yifei
  • Yu, Guangsuo
  • Wang, Fuchen

Abstract

O2 enriched combustion is applied to a non-premixed acid gas (AG) flame, in which AG and air are injected separately into a vertical reactor via a coaxial burner at atmosphere pressure. Equilibrium predictions of AG oxidation were performed using Aspen Plus and lab-scale experiments with particular focus on formation of COS and CS2 were undertaken under different combustion conditions. The effects of equivalence ratio (Φ=0.8, 1.0 and 3.0) and initial O2 concentration (OC) in air (21, 30 and 50vol%) have been studied and the flame is interpreted by analyzing the axial temperature and species concentration distributions along the reactor.

Suggested Citation

  • Li, Yang & Guo, Qinghua & Yu, Xinlei & Dai, Zhenghua & Wang, Yifei & Yu, Guangsuo & Wang, Fuchen, 2017. "Effect of O2 enrichment on acid gas oxidation and formation of COS and CS2 in a rich diffusion flame," Applied Energy, Elsevier, vol. 206(C), pages 947-958.
    • Handle: RePEc:eee:appene:v:206:y:2017:i:c:p:947-958
    DOI: 10.1016/j.apenergy.2017.07.113
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    References listed on IDEAS

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