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Related Experiment Videos

[A novel Fe/AC desulphurizer at low temperature].

J Ma1, S Liu, Z Liu

  • 1State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Shanxi Institute of Chemical Technology, Taiyuan, China.

Huan Jing Ke Xue= Huanjing Kexue
|February 22, 2002
PubMed
Summary

Activated coke supported with iron oxide (Fe/AC) effectively removes sulfur dioxide (SO2) from flue gas. Higher surface area Fe/AC enhances DeSOx activity, making it suitable for industrial applications.

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Area of Science:

  • Environmental Engineering
  • Materials Science
  • Chemical Engineering

Context:

  • Flue gas desulfurization (DeSOx) is crucial for reducing sulfur dioxide emissions.
  • Activated coke (AC) is a common sorbent, but its efficiency can be enhanced.
  • Iron oxide (Fe2O3) supported on AC (Fe/AC) offers potential for improved SO2 capture.

Purpose:

  • To investigate the DeSOx activity of Fe/AC for flue gas treatment.
  • To evaluate the effect of reaction conditions on SO2 removal efficiency.
  • To determine the optimal characteristics of Fe/AC for enhanced performance.

Summary:

  • Fe/AC demonstrated higher SO2 removal activity compared to bare AC or Fe2O3 within the 120-250°C temperature range.
  • Sulfuric acid (H2SO4) and iron(III) sulfate (Fe2(SO4)3) were identified as reaction products.

Related Experiment Videos

  • Increased SO2 adsorption was observed with the presence of water (H2O) and oxygen (O2).
  • Fe/AC synthesized from AC with a higher Brunauer–Emmett–Teller (BET) surface area exhibited superior DeSOx activity.
  • The Fe/AC sorbent is suitable for applications with a gas hourly space velocity (GHSV) below 800 L/(kg·h).

    • Impact:

    • Provides an efficient Fe/AC sorbent for industrial flue gas desulfurization.
    • Highlights the importance of AC surface area and operating conditions for DeSOx performance.
    • Offers insights into the reaction mechanisms of SO2 capture by Fe/AC.
    • Contributes to the development of cost-effective and high-performance SO2 removal technologies.