Method for leaching zinc-containing ores
An ore and leaching technology, applied in the field of leaching of zinc-containing ores, can solve the problems of being unsuitable for large-scale industrial applications, secondary environmental pollution, and high production costs, and achieve the effects of reducing production costs, reducing pollution, and reducing environmental pollution.
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[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, and the embodiments described below by referring to the accompanying drawings are exemplary, are only used to explain the present invention, and cannot be construed as explanations for the present invention. limit.
[0028] It should be noted that the term "calcium oxide and / or calcium hydroxide" in the present invention means that calcium oxide (quicklime) or calcium hydroxide (slaked lime) can be used, or a mixture of the two can be added. In actual operation, quicklime (CaO) can be digested with water to obtain milk of lime, the main reaction is CaO+H 2 O=Ca(OH) 2 , milk of lime is used as a mixture of calcium oxide and calcium hydroxide.
[0029] In addition, in the present invention, the term "valuable metals" refers to other metals that have recycling value except main metals in the raw materials for refining metals. Generally speaking, ...
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