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介绍了湘潭电化厂的菱锰矿常温浸出试验，试验结果表明，采用ＰＬ试剂浸出菱锰矿，能降低浸出过程温度，缩短浸出时间，提高锰浸出率；同时对常温浸出的除铁过程进行了试验研究。
The leaching test of rhodochrosite at room temperature in Xiangtan Electrochemical Plant was introduced. The experimental results showed that leaching rhodochrosite with PL reagent could reduce the leaching process temperature, shorten the leaching time and increase the leaching rate of manganese. At the same time, the leaching process at room temperature was studied .