Test results show that the percentage of manganese leached out is dependent on pyrolusite charge,plant powder charge,sulphuric acid volume,temperature and duration of leaching.

• 试验结果表明:软锰矿中锰的浸出率受到软锰矿用量、植物粉料用量、硫酸用量、浸出温度及浸出时间等因素的影响。