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濕法脫硫增效劑、脫硫塔阻垢劑

  • 更新時間2015-02-13 02:02:58
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  • 文件版本2013
  • 簡要說明濕法脫硫增效劑、脫硫塔阻垢劑

詳細描述

  含增效劑的碳酸鈣懸浮液吸收二氧化硫時,在其向表面和液膜中溶解的二氧化硫與水反應離解出氫離子,在液膜和液相主體邊界,增效劑與氫離子反應使氫離子反應到頁面主體,液膜中氫濃度的降低加速了平衡向右移動,從而促進了二氧化硫的溶解提高了脫硫率。在固相表面和液膜中,在溶解的碳酸根與離解的氫離子反應生成碳酸,在液相主體氫與碳酸反應生成二氧化碳和水,液相主體中碳酸濃度的降低,使得平衡均向右移動,從而促進了碳酸鈣的溶解。增效劑的存在強化了氫離子的傳遞,緩沖了溶液的PH值促進了二氧化硫與碳酸鈣的溶解,加速了二氧化硫的化學吸收,從而提高了脫硫率。

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