Research Progress in Removing Metal Ions From Waste Stripping Solution
The waste liquid crystal panel of electronic products is an important part of the utilization of waste re-sources,in which the recovery of metal ions in the waste stripping liquid can not only reduce the pollution of met-al ions to the environment,but also realize the recycling of resources.In this paper,the research status,methods and technologies of metal ion removal from waste stripping liquid are reviewed.The principles,advantages and disadvantages and applications of solid-liquid separation,chemical precipitation,electrochemical extraction and membrane separation are introduced.The current separation and recovery devices of metal ions from waste strip-ping liquid are summarized.These methods and devices have remarkable effects in the removal of metal ions from waste stripping liquid,but there are some limitations and challenges in the treatment of metal ions,so it is particu-larly important to find efficient,green and economically significant removal methods and devices.Therefore,fur-ther research and technological innovation are needed in order to achieve efficient removal and resource utiliza-tion of metal ions in waste stripping liquid,and contribute to environmental protection and sustainable develop-ment.
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