【正文】 i 目 錄 .............................................................................................. 1 常用基本概念 .................................................................................................. 1 基本處理工藝 .................................................................................................. 4 工藝參數(shù)及符號(hào) ............................................................................................... 9 ............................................................................................................. 13 水污染分類 .................................................................................................... 13 自然污染和人為污染 ............................................................................ 13 水體污染物質(zhì)的分類和影響 .................................................................. 13 水污控制指標(biāo) ................................................................................................ 16 感官性狀和一般化學(xué)指標(biāo) ..................................................................... 16 毒理性指標(biāo) .......................................................................................... 18 細(xì)菌學(xué)指標(biāo) .......................................................................................... 20 放射性指標(biāo) .......................................................................................... 20 污水的排放標(biāo)準(zhǔn) ............................................................................................. 20 污水排放標(biāo)準(zhǔn)制定的依據(jù) ..................................................................... 20 污水排放標(biāo)準(zhǔn) ....................................................................................... 21 ...................................................................................................... 21 污水處理方法分類 ......................................................................................... 21 按凈化程度劃分 ................................................................................... 21 按廢水處理時(shí)的作用性質(zhì)劃分 .............................................................. 21 水污染控制方法概述 ...................................................................................... 23 分離處理 .............................................................................................. 23 轉(zhuǎn)化處理 .............................................................................................. 25 稀釋處理 .............................................................................................. 26 污水處理單元過程及原理 ............................................................................... 27 格柵 ..................................................................................................... 27 篩網(wǎng)過濾 .............................................................................................. 27 調(diào)節(jié)池 ................................................................................................. 28 事故池 ................................................................................................. 28 沉砂池 ................................................................................................. 28 沉淀池 ................................................................................................. 30 澄清池 ................................................................................................. 32 隔油池 ................................................................................................. 33 粗粒化 (聚結(jié) )除油 ................................................................................. 34 氣浮 ..................................................................................................... 35 汽提法 ................................................................................................. 37 中和 ..................................................................................................... 37 化學(xué)沉淀法 ........................................................................................ 37 萃取法 ................................................................................................ 38 電解法 ............................................................................................... 38 氧化還原法 ........................................................................................ 38 生物處理 ............................................................................................ 39 好氧生物處理 ..................................................................................... 39 ii 厭氧生物處理 ..................................................................................... 40 生物脫氮 ............................................................................................ 40 生物除磷 ............................................................................................ 41 活性污泥法 ........................................................................................ 42 ..................................................................................... 43 .......................................................................... 43 曝氣活性污泥法 .......................................................................... 43 （逐步曝氣法） .................................................. 44 — 再生活性污泥法 ....................................................................... 44 時(shí)曝氣活性污泥法 .......................................................................... 45 .......................................................................... 46 .......................................................................... 46 法 .......................................................................... 46 法 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