选取一种商业活性炭,采用质量分数为1%的NH4Cl溶液对其浸渍改性,在固定床汞吸附实验台上研究了烟气中O2、CO2、SO2、NO、HCl等组分及各组分体积分数对改性后活性炭吸附脱汞的单一影响规律.结果表明:O2、CO2有一定促进作用,且随O2和CO2体积分数升高,促进汞脱除效果逐渐增强;不同体积分数SO2气氛对NH4Cl改性活性炭汞吸附能力的影响均呈现先促进后抑制的趋势;NO、HCl能提高NH4Cl改性活性炭吸附脱汞的能力,但脱汞能力对NO、HCl体积分数变化不敏感.
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