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目的研究二溴海因对微囊藻毒素(microcystin,MC)的去除效果。方法在一定的微囊藻毒素浓度下,研究二溴海因浓度(0.050～0.30 mg/L)、反应时间(0～120 min)、反应温度(20～35℃)、pH值(6.5～9.5)对0.30 mg/L的MC-LR、MC-RR去除率的影响。结果在优化的条件[向水样中投加等体积的0.30 mg/L二溴海因溶液(25℃、pH 7.0)反应60min]下,二溴海因对MC-LR、MC-RR的去除率分别为93.6%和96.7%。结论二溴海因可有效地去除水中的MC-LR和MC-RR,该技术可应用于水厂的实际水处理工艺中。
Objective To study the effect of dibromohexin on microcystin (MC) removal. Methods The concentration of dibromohexin (0.050 ~ 0.30 mg / L), reaction time (0 ~ 120 min), reaction temperature (20 ~ 35 ℃) and pH value ) On MC-LR, MC-RR removal efficiency of 0.30 mg / L. Results The removal of MC-LR and MC-RR by dibromohexin was optimized under the optimized conditions [reaction of 60 min with 0.30 mg / L dibromohydrin solution (25 ° C, pH 7.0) Rates were 93.6% and 96.7% respectively. Conclusion Dibromoine can effectively remove MC-LR and MC-RR in water, and this technology can be applied to the actual water treatment process in waterworks.