水处理毕业论文.doc

辽宁省交通高等专科学校 毕 业 设 计 文 件 设计论文题目 系部 建筑工程系 专业 给水排水工程技术 姓名 班级 11172 学号 1117216 完成期限： 2013 年 11 月 18 日至 2013 年 12 月 2 日 指导教师 韩春威 职称 讲师 目录 摘要····························································1 绪言··························································1 1.1水体污染面临的问题··········································1 1.2水处理生物学的兴起··········································2 常见微生物的特点··············································3 微生物对污染物的分解与转化····································3 3.1.1微生物对有机物的分解作用··································3 3.1.2微生物对不含氮有机物的分解作用····························4 3.2.1微生物对含氮有机物的转化作用······························6 3.2.2微生物对无机物的转化作用··································7 3.2.3微生物对重金属的转化作用··································8 污水的微生物处理·············································9 4.1.1好氧生物处理的原理········································9 4.1.2厌氧生物处理的原理·······································9 4.2好氧生物处理···············································9 4.2.1活性污泥法···············································10 4.2.2生物膜法·················································21 4.2.3自然生物处理法···········································33 4.3厌氧生物处理···············································34 4.3.1厌氧生物处理工艺·········································34 4.3.2.1普通消化池·············································35 4.3.2.2厌氧接触法·············································36 4.3.2.3升流式厌氧污泥床·······································37 4.3.2.4厌氧生物滤池···········································38 4.3.2.5厌氧流化床·············································39 4.3.2.6厌氧生物转盘···········································40 4.3.2.7挡板式厌氧生物反应器···································41 4.3.2.8两相厌氧消化工艺·······································43 水体的富营养化和生物脱氮除磷技术····························43 5.1水体的富营养化·········································