Method for extracting silicon and multi-metal products by activating red mud
The invention relates to the technical field of extraction of minerals from activated red mud, and provides a method for extracting silicon and multi-metal products from activated red mud, which comprises the following steps: uniformly mixing red mud, coal gangue and calcium carbonate in proportion;...
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| creator | DU HONGWEI LI HAI DUAN XINGSHUO SHI XINGHAO LI KE WANG HAO LI TONGTONG FANG LINGXIAN |
| description | The invention relates to the technical field of extraction of minerals from activated red mud, and provides a method for extracting silicon and multi-metal products from activated red mud, which comprises the following steps: uniformly mixing red mud, coal gangue and calcium carbonate in proportion; crushing and grinding the mixed material, and then carrying out hot roasting activation; continuously grinding the activated material into powder; carrying out magnetic separation on the ground material, and carrying out acid dissolution treatment on non-magnetic slag; carrying out solid-liquid separation on the acid-dissolved material to obtain a white carbon black solid and a multi-metal ion mixed solution; and the multi-metal ion mixed solution is separated step by step by controlling the pH value, and a plurality of metal products are obtained. According to the method, the magnetism of iron-containing minerals in the red mud is improved by utilizing a collaborative roasting reduction activation method, and two |
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| subjects | CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS |
| title | Method for extracting silicon and multi-metal products by activating red mud |
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