Ore characteristics

Placer gold is mainly distributed in some alluvial deposits, gold in the sand gold ore mostly granular, flake, dendritic and other forms exist. Gold particle size is generally 0.5 to 2 mm, but there are weighing a few kilograms of large gold and powder particles were gold.

Mineral processing technology

Placer gold content of gold is very low, must be sorted, purified before the next step can be smelting and processing, therefore, gold ore beneficiation must contain separation and purification process. The proportion of gold is much larger than the proportion of gravel, they have a great difference in the proportion of gold and gold in the sand gold is basically free state exists, so the re-election method is the most simple and most effective method.

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