Evaluation of the TSA Method in a De-SOX/De-NOX System for Flue Gas.

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  • Takamura Yukihiro
    Electrotechnology Applications R &D Center, Chubu Electric Power Co., Inc. Department of Materials Science & Chemical Engineering, Shizuoka University
  • Narita Saburou
    Electrotechnology Applications R &D Center, Chubu Electric Power Co., Inc.
  • Noda Hidetomo
    Electrotechnology Applications R &D Center, Chubu Electric Power Co., Inc.
  • Izumi Jyun
    Nagasaki R &D Center, Mitsubishi Heavy Industries, Ltd.
  • Oka Nobuyuki
    Nagasaki R &D Center, Mitsubishi Heavy Industries, Ltd.
  • Uchida Shigeo
    Department of Materials Science & Chemical Engineering, Shizuoka University

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  • ボイラ排ガス乾式同時脱硫脱硝システムの適用性評価
  • ボイラ ハイガス カンシキ ドウジ ダツリュウダッショウ システム ノ テキヨウセイ ヒョウカ

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Abstract

The application of temperature swing adsorption (TSA) method for De-NOx and De-SOx from flue gas was examined. The honeycomb adsorbent used in the TSA was continuously rotated to effect reiteration of the adsorption and desorption steps.<br>In this study, silicalite was used in the De-SOx TSA plant and Co ion-exchanged ZSM-5 was used in the De-NOx TSA plant to separate SO2 and NO from artificial flue gas. By optimization of operating conditions in the single De-SOx TSA plant, the reduction efficiency of SOx was about 93%. In the combined De-SOx TSA plant and De-NOx TSA plant, the reduction efficiencies of NOx and SOx were about 80% and 83%.

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