硅太阳能电池板生产废水处理工艺设计
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吴永
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Treatment process design of the wastewater from the production of silicon solar panels
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Yong WU
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表3 各单元设计污染物去除率
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Table 3 Designed pollutant removal rate of each unit
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| 项目 | pH | CODCr/（mg·L-1） | CODCr去除率/% | TN/（mg·L-1） | TN去除率/% | 氟化物/（mg·L-1） | 氟化物去除率/% | | 调节池 | 1 | ≤800 | 0 | ≤525 | 0 | ≤1 500 | 0 | | 一级反应沉淀池 | 6~9 | ≤776 | 3 | ≤520 | 1 | ≤20 | 98.6 | | 二级反应沉淀池 | 6~9 | ≤760 | 2 | ≤515 | 1 | ≤10 | 50 | | 三级反应沉淀池 | 8~9 | ≤745 | 2 | ≤510 | 1 | ≤8 | 20 | | 反硝化-反硝化沉淀池 | 6~9 | ≤370 | 50.3 | ≤105 | 79.4 | — | — | | A/O-二沉池 | 6~9 | ≤150 | 59.5 | ≤30 | 71.4 | ≤7 | 12.5 | | 气浮器 | 6~9 | ≤128 | 14.7 | ≤30 | — | ≤6 | 14.3 | | 臭氧氧化池 | 6~9 | ≤105 | 18 | ≤30 | — | ≤6 | — | | 排放水质 | 6~9 | ≤120 | — | ≤32 | — | ≤6.4 | — |
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