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环境化学  2015 

类芬顿试剂吸收去除气态元素汞

Keywords: 类芬顿反应,元素汞,脱除

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Abstract:

实验初步研究了类芬顿试剂为吸收剂对气态元素汞的脱除性能,考察了铁盐种类、pH、初始汞浓度、反应温度、卤素离子、甲酸添加量等因素对类芬顿试剂脱除气态元素汞性能的影响.结果表明,在pH3.5条件下,以氯化铁为催化剂时,气态元素汞的脱除效率为76.4%;添加250μg·mL-1Cl-、150μg·mL-1Br-或5.0μg·mL-1甲酸均可以显著提高类芬顿反应体系对气态元素汞的脱除效果,最高脱除效率可达95%以上.

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