Manganese carbonate ore beneficiation technology: sedimentary carbonate ores, the primary object is rhodochrosite manganese, calcium rhodochrosite, calcite and siderite manganese manganese iron ore; gangue minerals have silicates and carbonates; also frequently with sulfur And impurities such as iron. The ore is generally more complicated. The size of the manganese mineral inlay is as small as a few microns, which is difficult to dissociate, and it is often difficult to obtain a higher concentrate grade.
Manganese carbonate ore beneficiation technology, manganese carbonate ore dressing production practice is less, research methods such as strong magnetic separation, heavy medium ore dressing and flotation. Some sedimentary sulphur-containing manganese carbonate ore, industry: the sequential preferential flotation process of carbon shale , pyrite and manganese minerals. Some hydrothermal manganese ore containing lead zinc carbonate, high intensity magnetic separation using a flotation process. Manganese carbonate ore beneficiation technology, some sulfur-rich manganese ore, manganese minerals are mainly sulphur-manganese ore, and can be removed by roasting. Some manganese carbonate ore production also uses a roasting method to remove volatile components to obtain a finished ore.
Manganese carbonate ore dressing technology, manganese oxide and manganese carbonate ore contain some refractory ore. Manganese is closely symbiotic with iron, phosphorus or gangue. The size of the inlay is extremely fine and difficult to sort. It can be treated by smelting method. For example, treatment of high phosphorus high iron and manganese rich manganese ore slag, production of activated manganese dioxide and nitric acid leaching of electrolytic manganese metal production method etc. has industrial production. In addition, manganese carbonate ore beneficiation technology is still studying calcium disulfate method and bacterial leaching method.
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