The waste liquid of chemical experiment is often directly discharged into sewers in many university laboratories, which causes serious pollution to the environment and harm to human health. A few measures are put forward to resolve the problems of optionally discharged without treatment.%高校化学实验室产生的废液不经处理便直接排入下水道，势必给环境和人类健康带来较大危害。针对这些问题，文章探索了几种方法对废液进行简单有效的处理和回收。
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