Resourceful treatment method and system for lead-zinc smelting water-quenched slag
The invention relates to a resourceful treatment method and a resourceful treatment system for lead-zinc smelting water-quenched slag, and the treatment method comprises the following steps: increasing the content of various metal elements, especially iron element, in filtrate by using sulfuric acid...
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| creator | PAN AIFANG ZHOU WEIJIAN MA RUNYONG XIONG XIAOHU LI KUIMENG HU SHENTAO SUN YUE |
| description | The invention relates to a resourceful treatment method and a resourceful treatment system for lead-zinc smelting water-quenched slag, and the treatment method comprises the following steps: increasing the content of various metal elements, especially iron element, in filtrate by using sulfuric acid in a circulating acid leaching manner, and simultaneously separating out calcium and silicon in the water-quenched slag; and then sequentially extracting an iron element, an aluminum-iron mixture and a trace element mixture through three times of step-by-step concentration and crystallization to respectively obtain industrial products, such as calcium sulfate, hydrogel, iron oxide powder, an aluminum ferric sulfate flocculant and metal mineral powder, which can be directly used in subsequent fields. According to the method, the comprehensive utilization rate of the water-quenched slag is high, the degree of'eating dry and squeezing clean 'is achieved, the obtained elements or the mixture can serve as raw materials |
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and then sequentially extracting an iron element, an aluminum-iron mixture and a trace element mixture through three times of step-by-step concentration and crystallization to respectively obtain industrial products, such as calcium sulfate, hydrogel, iron oxide powder, an aluminum ferric sulfate flocculant and metal mineral powder, which can be directly used in subsequent fields. 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| subjects | AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CRYSTAL GROWTH FERROUS OR NON-FERROUS ALLOYS METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL |
| title | Resourceful treatment method and system for lead-zinc smelting water-quenched slag |
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