GOLD MINE CYANIDE TAILING DISPOSAL METHOD USING PASTE TECHNOLOGY
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United States of America Patent
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Sep 12, 2019
app pub date -
May 30, 2018
filing date -
Oct 17, 2017
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Abstract
The present invention provides a gold mine cyanide tailing disposal method using paste technology belonging to the technical field of mining. The disposal method firstly performs a harmless decyanation treatment on a cyanide tailing slurry obtained from a mineral processing plant, and then performs a resource treatment where a cyanide tailing slurry is subjected to a thickening to obtain a higher concentration. When a backfill is needed, a paste is produced by adding a cementing material after a homogenized stirring of a two-stage horizontal agitator pumped to an underground mining site for filling by a plunger pump. The cementing material is to solidify an underflow and prevent cyanide from being filtered out. When a backfill is not needed, the paste is directly delivered to an open storage area for storing by the plunger pump.
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