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采用抗坏血酸和铁粉化学还原法对水中亚氯酸根(Cl O2-)进行了去除实验研究。结果表明,抗坏血酸静态还原法去除Cl O2-在抗坏血酸与Cl O2-的质量比为6.24,p H=5.5,反应时间为30 min时去除率为100%。铁粉动态还原法去除Cl O2-在p H=6.0时,2.0 g铁粉处理900 m L浓度为3.37~27 mg/L的模拟Cl O2-水样,出水中Cl O2-浓度为0.337 mg/L,去除率达到96.3%,且出水总铁和Cl O2-都能达到《生活饮用水卫生标准》(GB 5749-2006)。
Chloride (Cl O2-) in water was removed using ascorbic acid and iron powder chemical reduction method. The results showed that the removal rate of Cl O2- by ascorbic acid static reduction method was 100% when the mass ratio of ascorbic acid to Cl O2- was 6.24, p H = 5.5 and the reaction time was 30 min. Dynamic reduction of iron powder to remove Cl O2- At 2.0 h, 2.0 g of iron powder was used to treat 900 m L of simulated Cl O2-water at a concentration of 3.37-27 mg / L with Cl O2- concentration of 0.337 mg / L, the removal rate reaches 96.3%, and the effluent total iron and Cl O2- can reach the “drinking water health standard” (GB 5749-2006).