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聚丙烯腈基活性碳纤维用于烟气脱硫脱硝

Keywords: 聚丙烯腈基活性碳纤维(PAN-ACF),SO2,NOx,露点温度,吸附脱除

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Abstract:

应用聚丙烯腈基活性碳纤维(PAN-ACF)对模拟的工业烟气中的SO2和NO在烟气露点温度以上进行吸附脱除实验。通过改变固定床ACF装载量、反应温度、水蒸气体积分数和O2体积分数,研究了ACF脱硫效率和脱硝效率的变化规律,还研究了同时脱硫脱硝时入口SO2或NO浓度对脱除效率的影响。结果表明:PAN-ACF具有良好的脱硫性能和一定的脱硝能力,其脱硫效率和脱硝效率随着ACF装载量和O2体积分数的增大而升高,随着温度的升高而降低,随着水蒸气体积分数的增大先升高后降低;在同时脱硫脱硝时,SO2对ACF的脱硝反应有明显的抑制作用,而NO对ACF的脱硫反应影响不大。

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