摘要:针对碱基脱氯可能会存在SO_2干扰的问题,以NaOH作为碱基物质,通过化学动力学模拟及实验研究了SO_2浓度对HCl反应效率的影响。结果证明SO_2会对半干法脱氯造成一定的干扰作用,但HCl的脱除效率依然处于较高水平;当Na/Cl一定时,烟气中SO_2的浓度每增加1000 mg/m^3,HCl的反应效率降低约10%;采用半干法烟气脱氯后,脱硫废水量显著下降,由8.01 m^3/h降至2.31 m^3/h;半干法脱氯对SO_2具有一定脱除作用,对SO_2的超低排放也具有积极作用。
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