水处理-（精）-毕业论文（设计）.docVIP

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水处理-（精）-毕业论文（设计）.doc

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PAGE 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 普通消化池·············································35 厌氧接触法·············································36 升流式厌氧污泥床·······································37 厌氧生物滤池···········································38 厌氧流化床·············································39 厌氧生物转盘···········································40 挡板式厌氧生物反应器···································41 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·············································43 5.2生物脱氮·····································