【正文】 物接觸氧化池 .......................................................................................... 14 概述 .................................................................................................... 14 類型和結(jié)構(gòu) ........................................................................................ 14 設(shè)計(jì)事項(xiàng) ............................................................................................ 15 施工事項(xiàng) ............................................................................................ 17 造價(jià)指標(biāo) ............................................................................................ 18 運(yùn)行管理 ............................................................................................ 18 生物濾池 ...................................................................................................... 19 概述 .................................................................................................... 19 類型和結(jié)構(gòu) ........................................................................................ 19 設(shè)計(jì)事項(xiàng) ............................................................................................ 20 施工事項(xiàng) ............................................................................................ 20 造價(jià)指標(biāo) ............................................................................................ 20 ii 運(yùn)行管理 ............................................................................................ 21 氧化溝 .......................................................................................................... 21 概述 .................................................................................................... 21 類型和結(jié)構(gòu) ........................................................................................ 22 設(shè)計(jì)事項(xiàng) ............................................................................................ 23 施工事項(xiàng) ............................................................................................ 24 造價(jià)指標(biāo) ............................................................................................ 24 運(yùn)行管理 ............................................................................................ 24 人工濕地 ...................................................................................................... 24 概述 .................................................................................................... 24 類型和結(jié)構(gòu) ........................................................................................ 25 設(shè)計(jì)事項(xiàng) ............................................................................................ 25 施工事項(xiàng) ............................................................................................ 28 造價(jià)指標(biāo) ............................................................................................ 28 運(yùn)行管理 ............................................................................................ 29 土地滲濾 ...................................................................................................... 29 概述 .................................................................................................... 29 類型和結(jié)構(gòu) ........................................................................................ 29 設(shè) 計(jì)事項(xiàng) ............................................................................................ 32 施工事項(xiàng) ............................................................................................ 33 造價(jià)指標(biāo) ............................................................................................ 33 運(yùn)行管理 ............................................................................................ 33 4 農(nóng)村生活污水處理技術(shù)選擇 .............................................................................. 35 農(nóng)村生活污水處理技術(shù)選擇原則 .............................................................. 35 以去除 COD 為目的污水處理設(shè)施或污水站 ........................................... 35 散戶污水處理工藝 ............................................................................ 35 村落污水處理工藝 ............................................................................ 37 以去除氮、磷為目的污水處理設(shè)施和污水站 .......................................... 37 5 農(nóng)村生活污水處理設(shè)施的管理 .......................................................................... 39 污水水質(zhì)檢測 .............................................................................................. 39 水樣的采集與保存 ............................................................................ 39 現(xiàn)場簡易檢測指標(biāo)與方法 ................................................................ 39 排水系統(tǒng)的維護(hù)與管理 .............................................................................. 40 污水處理設(shè)施的運(yùn)行、維護(hù)與管理 .......................................................... 40 6 工程實(shí)例 .............................................................................................................. 41 氧化溝處理村落污水工程實(shí)例 .................................................................. 41 概述 .................................................................................................... 41 工藝流程 ............................................................................................ 41 工藝參數(shù) ............................................................................................ 41 處理效果 ............................................................................................ 42 經(jīng) 濟(jì)成本分析 .................................................................................... 43 運(yùn)行與管理方式 ................................................................................ 43 自然跌水曝氣下水道處理工藝 .................................................................. 44 工程地點(diǎn) ............................................................................................ 44 iii 適用范圍 ............................................................................................ 44 工藝流程 ...........................................................................................