超声吹脱-次氯酸钠氧化工艺处理酮连氮法制肼废水
发布时间：2019-06-03 04:01
【摘要】：采用超声吹脱-次氯酸钠氧化工艺处理酮连氮法制肼废水,优化了工艺条件,并进行了尾水处理与盐分回收。实验结果表明:在超声声能密度0.08 W/mL、吹脱气量2 000 L/h、次氯酸钠溶液(有效氯10%)投加量15mL/L、反应时间20 min的最优条件下,COD、氨氮和肼类物质去除率分别达到96.97%、99.02%和96.60%,处理成本约为30元/t(以废水计);尾水经蒸馏处理后可满足GB 8978—1996《污水综合排放标准》的一级B标准,回收NaCl纯度为98.92%,达到GB/T 5462—2015《工业盐》的精制工业盐一级标准。
[Abstract]:The process conditions were optimized and the tail water treatment and salt recovery were carried out by ultrasonic blowing and sodium hypochlorite oxidation process for the treatment of hydrazide wastewater from ketodiazide production. The experimental results show that under the optimum conditions of ultrasonic energy density 0.08W 鈮，
本文编号：2491652
[Abstract]:The process conditions were optimized and the tail water treatment and salt recovery were carried out by ultrasonic blowing and sodium hypochlorite oxidation process for the treatment of hydrazide wastewater from ketodiazide production. The experimental results show that under the optimum conditions of ultrasonic energy density 0.08W 鈮，
本文编号：2491652
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