组合工艺处理涂装废水及其运行调控分析
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王慧娟,张志海,韩艳艳
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Combined technique treating painting wastewater and its operation control analysis
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Huijuan Wang,Zhihai Zhang,Yanyan Han
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表3 系统主要处理单元运行条件及处理效果
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| 项目 | Zn2+去除率/% | COD去除率/% | SS去除率/% | 运行条件 | | 沉淀器 | 84 | 25 | 95 | 石灰250 mg/L，PAC 300 mg/L，PAM 5 mg/L | | 气浮机 | — | 35 | 96 | PAC 300 mg/L，PAM 5 mg/L | | 水解酸化池 | — | 13 | — | DO 0.2~0.3 mg/L | | 接触氧化池 | — | 71 | 62 | DO 3~4 mg/L | | 混凝沉淀池 | — | 19 | 81 | PAC 250 mg/L，PAM 4 mg/L |
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