Feasibility Application of Cu-Contaminated Soil on the Removal of H₂S from Hot Coal Gas

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  • Huang Lan-Chien
    Department of Tropical Agriculture and International Cooperation, National Pingtung University of Science and Technology Department of Leisure, Recreation, Tourism and Management, Tzu Hui Institute of Technology
  • Ko Tzu-Hsing
    Department of Tourism Affairs, Tzu Hui Institute of Technology

書誌事項

タイトル別名
  • Feasibility Application of Cu-Contaminated Soil on the Removal of H<sub>2</sub>S from Hot Coal Gas
公開日
2015
DOI
  • 10.2320/matertrans.m2014393
公開者
公益社団法人 日本金属学会

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説明

In this study Cu-contaminated soils were chosen as a candidate material for the removal of hydrogen sulfide (H2S) from hot coal gas. Experimental results showed that the H2S was significantly reduced below 10 ppm when the Cu-contaminated soils were reacted with H2S. The optimal removal temperature of H2S was found to be at 923 K in the operating conditions. In addition to Cu species, free Fe oxides in the contaminated soils also performed an active species to react with H2S and enhanced the overall sulfur capacity. Through the XPS analysis, Fe sulfide (FeS) and Cu sulfide (Cu2S) were the major products after removal experiments. Regeneration experimental results also indicated that the Cu-contaminated soils can be regenerated by pass air and thus be reused for many times.

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