【正文】 況 .............................................................................................................................9 城市排水工程現(xiàn)狀 .....................................................................................................................103 項目建設(shè)的必要性 ............................................................................................................................11 城市排水現(xiàn)狀存在的主要問題 .................................................................................................11 保護(hù)長江三峽庫區(qū)生態(tài)環(huán)境 .....................................................................................................11 完善城市基礎(chǔ)設(shè)施建設(shè) .............................................................................................................114 工程建設(shè)規(guī)模 ....................................................................................................................................13 XX 縣城總體規(guī)劃概述 ..............................................................................................................13 城市供水規(guī)劃 .............................................................................................................................13 城市排水規(guī)劃 .............................................................................................................................13 污水量預(yù)測 .................................................................................................................................14 服務(wù)范圍 ...............................................................................................................................14 目標(biāo)年限 ...............................................................................................................................14 污水量預(yù)測 ...........................................................................................................................15 污水處理廠建設(shè)規(guī)模 .................................................................................................................205 污水水質(zhì)論證 ....................................................................................................................................22 污染負(fù)荷預(yù)測 .............................................................................................................................22 XX 縣污水監(jiān)測數(shù)據(jù) .............................................................................................................22 3 生活污水水質(zhì)預(yù)測 ...............................................................................................................23 工業(yè)廢水水質(zhì)預(yù)測 ...............................................................................................................23 混合污水水質(zhì)預(yù)測 ...............................................................................................................25 污染物負(fù)荷 ...........................................................................................................................26 污水處理廠進(jìn)水水質(zhì) .................................................................................................................26 污水處理廠出水水質(zhì) .................................................................................................................286 污水處理廠廠址選擇 ........................................................................................................................29 廠址選擇原則 .............................................................................................................................29 污水處理廠廠址選擇 .................................................................................................................297 污水處理廠工藝方案 ........................................................................................................................32 工藝選擇原則 .............................................................................................................................32 水質(zhì)條件及污染物去除率 .........................................................................................................32 污水可生化性分析 .....................................................................................................................33 處理程度分析 .............................................................................................................................34 工藝方案一：CAST 方案 ..........................................................................................................36 工藝方案二：奧貝爾（ORBAL）氧化溝 ..................................................................................38 污水處理工藝方案比較 .............................................................................................................42 污水處理工藝方案推薦意見 .....................................................................................................47 污泥處理工藝方案 .....................................................................................................................488 污水處理廠的建設(shè)方案 ....................................................................................................................49 總體設(shè)計 .....................................................................................................................................49 廠址地理位置及地形地貌 ...................................................................................................49 總平面設(shè)計 ...........................................................................................................................49 豎向設(shè)計 ...............................................................................................................................50 總圖道路及運輸 ...................................................................................................................51 廠區(qū)給排水 ...........................................................................................................................52 綠化與景觀設(shè)計 ...................................................................................................................52 總圖技術(shù)經(jīng)濟(jì)指標(biāo) ............................................................................