Manganese ore (PGM) and powder active carbon (PAC) are used in static experiment to decolorize dyestuffs Rhodamine B and methyl orange wastewater.

利用除铁用锰矿砂（PGM）为处理剂进行罗丹明B与甲基橙模拟废水的静态脱色试验，并与粉末活性炭（PAC）进行对比。

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This paper expounds how to produce widely used manganese sulphate with waste acid left by titanium powder production and low-ranged soft manganese ore as raw material.

介绍用生产钛白粉的废酸和低品位软锰矿为原料生产应用广泛的硫酸锰的方法。

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