次氯酸钠处理碱性紫5BN模拟废水的研究  

Experimental study on alkaline purple 5BN-containing wastewater treatment by sodium hypochlorite

作　　者：肖方 徐雄 肖培平 陶美娟 张翠菊 董应尚 XIAO Fang;XU Xong;XIAO Pei-ping;TAO Mei-juan;ZHANG Cui-ju;DONG Ying-shang(Ecological Environment Monitoring Center of Heze Shandong,Heze 274000)

机构地区：[1]山东省菏泽生态环境监测中心,菏泽274000

出　　处：《天津化工》2022年第1期31-33,共3页Tianjin Chemical Industry

摘　　要：目的:运用次氯酸钠氧化法对碱性紫5BN模拟废水进行处理。方法:试验研究了碱性紫5BN初始质量浓度、次氯酸钠投加体积、搅拌时间对碱性紫5BN脱色率及COD去除率的影响。结果:在碱性紫5BN质量浓度为100mg/L的条件下,次氯酸钠投加体积1.0mL,搅拌时间控制为2h,碱性紫5BN的脱色率可达85.05%,COD去除率可达70.15%。Objective: Wastewater containing alkaline purple 5 BN was treated through the sodium hypochlorite.Method: The influence of sodium hypochlorite dosage, the reaction time and the initial concentration of alkaline purple 5 BN were investigated.Result: Under the optimal condition which the initial concentration of alkaline purple5 BN was 100 mg/L, the sodium hypochlorite dosage was 1.0 mL and the reaction time was 2 h, the decoloration rate was85.05% and the COD removal rate was 70.15%.

关 键 词：次氯酸钠 碱性紫5BN COD去除率 

分 类 号：TQ09[化学工程]