目录前言..................................................................................................................................................1第1章总论...................................................................................................................................21.1项目背景............................................................................................................................21.2设计原则、任务、内容及依据.........................................................................................21.2.1设计原则..................................................................................................................21.2.2设计内容..................................................................................................................21.2.3设计依据..................................................................................................................21.3设计基础资料、规模、经济指标.....................................................................................31.3.1设计基础资料..........................................................................................................31.3.2设计规模..................................................................................................................31.3.3经济指标分析与运行报表......................................................................................3第2章工艺选择及论证...........................................................................................................42.1工艺选择原则及处理限度.................................................................................................42.1.1工艺选择原则..........................................................................................................42.1.2活性污泥法、生物膜法的使用范围和处理限度..................................................42.2活性污泥的净化机理.........................................................................................................52.2.1活性污泥简介..........................................................................................................62.2.2活性污泥法的净化机理..........................................................................................62.3活性污泥工艺流程的比较................................................................................................72.3.1各种工艺流程概述..........................................................................................................72.4生物膜法净化机理............................................................................................................92.5生物膜法工艺比较...........................................................................................................102.6工艺确定...........................................................................................................................11第3章污水、污泥处理构筑物及高程设计计算.......................................................................113.1进水预处理设计计算.......................................................................................................113.1.1泵前格栅...............................................................................................................123.1.2污水提升泵房.......................................................