目 录前 言.............................................................................................................................................................1第一章 概述.................................................................................................................................................21.1 工程概况..............................................................................................................................................21.2 编制原则..............................................................................................................................................21.3 编制依据..............................................................................................................................................21.4 采纳的主要法律规范和工程设计标准..............................................................................................3第二章 工程背景.........................................................................................................................................52.1 自然环境概况......................................................................................................................................52.2 社会环境概况.....................................................................................................................................82.3 城市供水现状及规划........................................................................................................................132.5 污水排放的危害及工程建设的必要性和迫切性.............................................................................162.6 城区生活污水和工业废水的控制措施...........................................................................................182.7 项目的建设条件...............................................................................................................................20第三章 污水处理厂建设规模及处理程度的确定..........................