Handling method of copper nitrate waste liquid

The invention discloses a handling method of copper nitrate waste liquid. The handling method includes steps of 1), pretreatment: filtering copper nitrate waste liquid and obtaining first solution; 2), applying diffusion and dialysis technologies to the first solution, and obtaining the salpeter solution and the second solution; 3), filtering the second solution, and pumping to a rotational flow electrolyzer; obtaining copper and third solution through rotational flow electrodeposition; 4), recycling copper obtained in step 3), and discharging the third solution to a comprehensive waste water pond. The method can efficiently recycle nitric acid and extract copper by electrolysis; the method is simple in technique, convenient to operate; the waste liquid can be recycled, and the method has good application value. 本发明公开了种硝酸铜废液的处理方法，包括以下步骤：1)预处理：将硝酸铜废液进行过滤，得第溶液；2)将第溶液采用扩散渗析技术，得硝酸溶液和第二溶液；3)将第二溶液经过过滤，泵入旋流电解装置，通过旋流电积得铜和第三溶液；4)将步骤3)所得的铜回收，将第三溶液排放至综合废水池。该方法可高效回收硝酸和电解提铜，工艺简单，操作方便，废液可循环再生，具有良好的应用价值。