System for producing high-purity aluminum oxide by recycling fly ash
The utility model relates to a system for producing high-purity aluminum oxide by recycling fly ash, which comprises a grinding machine, a pre-desiliconization reactor, an activation calcination reactor, an acid leaching reactor, a ferric hydroxide purification reactor, a neutralization reactor and...
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| creator | ZHOU ZHEN MING QIANG GUO JIAMING XIA QING JIANG JIE ZENG LI ZHAO XIAODAN YE XIAOFANG XI JIAFU YUAN YAO YU SIQI |
| description | The utility model relates to a system for producing high-purity aluminum oxide by recycling fly ash, which comprises a grinding machine, a pre-desiliconization reactor, an activation calcination reactor, an acid leaching reactor, a ferric hydroxide purification reactor, a neutralization reactor and a high-temperature calcination reactor which are sequentially connected along the aluminum oxide extraction direction, the pre-desiliconization reactor is further connected with a pre-desiliconization agent doser, the activation calcination reactor is further connected with an activating agent doser, the acid leaching reactor is further connected with an acid leaching liquid doser, the ferric hydroxide purification reactor is further connected with a ferric hydroxide purifying agent doser, and the neutralization reactor is further connected with a neutralizer doser. Compared with the prior art, the device disclosed by the utility model realizes the comprehensive utilization of fly ash, also realizes the extraction |
| format | Patent |
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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 | System for producing high-purity aluminum oxide by recycling fly ash |
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