反渗透浓水回收金属资源利用研究进展.docx
反渗透浓水回收金属资源利用研究进展
目录
内容概览................................................3
1.1反渗透浓水回收背景.....................................3
1.2金属资源利用的重要性...................................3
1.3研究目的与意义.........................................4
反渗透浓水回收技术概述..................................5
2.1反渗透技术原理.........................................6
2.2反渗透浓水组成及特性...................................7
2.3反渗透浓水回收工艺流程.................................7
金属资源在反渗透浓水中的存在形式........................8
3.1金属离子形态...........................................8
3.2金属有机物.............................................9
3.3金属颗粒物............................................10
反渗透浓水回收金属资源的方法...........................11
4.1物理法................................................12
4.1.1沉淀法..............................................13
4.1.2吸附法..............................................13
4.1.3离子交换法..........................................14
4.2化学法................................................15
4.2.1氧化还原法..........................................16
4.2.2螯合法..............................................17
4.2.3溶剂萃取法..........................................18
4.3生物法................................................19
4.3.1微生物冶金..........................................19
4.3.2生物膜法............................................20
金属资源回收率及影响因素...............................21
5.1金属回收率评估方法....................................22
5.2影响因素分析..........................................23
5.2.1浓水水质............................................24
5.2.2回收方法............................................25
5.2.3操作条件............................................26
反渗透浓水回收金属资源的经济效益分析...................27
6.1成本分析..............................................28
6.2效益分析..............................................29
6.3经济性评价............................................30
反渗透浓水回收金属资源的环境影响.......................31
7.1污染物排放控制........................................31
7.2能源消耗..............................................