【正文】 1 目 錄 第一章 總 論 ..................................................................................................................................................... 6 項目概況 ................................................................................................................................................... 6 編制范圍及依據(jù) ...................................................................................................................................... 8 編制范圍 ........................................................................................................................................... 8 編制依據(jù) ........................................................................................................................................... 8 編制原則 ........................................................................................................................................... 9 可行性研究的主要內(nèi)容 ........................................................................................................................10 工程規(guī)模及主要建設內(nèi)容 ............................................................................................................10 主要技術(shù)經(jīng)濟指標 .........................................................................................................................10 第 二章 項目建設背景及必要性 .....................................................................................................................12 **縣城概況 ..............................................................................................................................................12 自然條件 .........................................................................................................................................12 人口情況 .........................................................................................................................................15 社會經(jīng)濟發(fā)展情況 .........................................................................................................................15 項目建設必要性 ....................................................................................................................................17 第三章 垃圾填埋場主體工程現(xiàn)狀 ................................................................................................................20 填埋場場址概況 ....................................................................................................................................20 填埋場庫容及使用年限 .......................................................................................................................22 填埋工藝 ................................................................................................................................................23 填埋場主要機械設備 ...........................................................................................................................25 防滲工程 ................................................................................................................................................26 填埋場滲瀝液、地下水收集導排系統(tǒng) ..............................................................................................26 滲瀝液處理系統(tǒng) ....................................................................................................................................28 導排氣系統(tǒng) ............................................................................................................................................29 填埋場的防洪系統(tǒng) ...............................................................................................................................30 2 第四章 改擴建 工程處理規(guī)模 ......................................................................................................................33 生活垃圾的組成 ....................................................................................................................................33 填埋場處理規(guī)模的確定 .......................................................................................................................33 填埋場主要工程技術(shù)指標 ...................................................................................................................36 第五章 改擴建項目主體工程 ........................................................................................................................37 填埋場改擴建庫容及使用年限 ....................................................................................................37 壩及防洪設施 ........................................................................................................................................41 垃圾壩 ............................................................................................................................................41 雨水導排及防洪設施 ...................................................................................................................41 防滲方案 ................................................................................................................................................43 水平防滲方案 .....................................................................................................................................44 滲瀝液收集和處理方案 .......................................................................................................................45 滲瀝液的收集系統(tǒng) ........................................................................................................................46 填埋場產(chǎn)生氣體的導出及其處理 ......................................................................................................46 填埋氣體的產(chǎn)生量估算及其成分 ...............................................................................................46 填埋氣體的導出及其處理系統(tǒng) ...................................................................................................48 填埋氣體的導出 .........................................................................................................................48 封場方案 ............