冶锌工业铜镉渣的综合回收与利用研究

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1、图目录图目录图1.1冶锌工业铜镉渣的综合回收与利用流程图....................................................6图3.1氨水浓度对铜、锌、镉浸出率的影响..........................................................11图3.2铵离子浓度对铜、锌、镉浸出率的影响......................................................12图3.3(NH4)2S2O8浓度对铜、锌、镉

2、浸出率的影响..............................................13图3.4液固比对铜、锌、镉浸出率的影响..............................................................14图3.5浸出时间对铜、锌、镉浸出率的影响..........................................................15图3.6因素与指标的趋势图..............................

3、........................................................18图4.1相比对铜萃取率的影响..................................................................................23图4.2萃取剂浓度对铜萃取率的影响......................................................................24图4.3料液初始pH值对铜萃取

4、率的影响...............................................................24图4.4萃取时间对铜萃取率的影响..........................................................................25图4.5萃取级数的选择........................................................................................

5、......26图4.6硫酸浓度对铜反萃率的影响..........................................................................27图4.7反萃时间对铜反萃率的影响..........................................................................28图4.8反萃相比对铜反萃率的影响....................................................

6、......................29图4.9铜的反萃次数的选择......................................................................................30图5.1锌粉用量对镉置换率的影响..........................................................................32图5.2搅拌强度对镉置换率的影响...........................

7、...............................................33图5.3反应时间对镉置换率的影响..........................................................................34图5.4锌粉用量对镉置换率的影响..........................................................................35图5.5料液初始pH值对镉置换率的影响........

8、.......................................................36图5.6反应温度对镉置换率的影响..........................................................................37图5.7反应时间对镉置换率的影响...............