Gold ore dressing and smelting combined recovery process
The invention discloses a gold ore dressing and smelting combined recovery process. The gold ore dressing and smelting combined recovery process comprises the steps that gold-containing raw ore is subjected to crushing, ore grinding and flotation treatment, tailings enter a tailing pond, gold concen...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a gold ore dressing and smelting combined recovery process. The gold ore dressing and smelting combined recovery process comprises the steps that gold-containing raw ore is subjected to crushing, ore grinding and flotation treatment, tailings enter a tailing pond, gold concentrate is pretreated, a pretreatment method can be one of chemical pretreatment, roasting pretreatment and biological oxidation treatment, and the pretreated gold concentrate is subjected to cyanide leaching treatment after the gold concentrate is pretreated to obtain high-grade gold-loaded carbon. According to the gold ore dressing and smelting combined recovery process, gold in the ore is recovered to the maximum extent at the minimum cost through crushing, ore grinding and flotation treatment,the most tailings with the extremely low gold grade are discarded, then the gold concentrate is pretreated, then the pretreated gold concentrate is subjected to cyaniding leaching treatment, the goldgrade is greatly improved |
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