Gold Extraction Equipment

Gold Extraction Equipment
Forui gold extraction equipment includs rotary screen, vibration screen, jig separator, rod mill, amalgamation cylinder, etc.
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There are two main gold ore-placer gold( alluvial gold) and rock gold. And gold extraction method can be also different.

Placer gold has big specific weight which is over 16t/m3 and this leads to a big density difference between gold and the impurities, so gravity separation can be the best way for placer gold extraction. Before gravity extraction, ore washing shall be carried out because   bBbbthere are a certain amount of waste gravels in the gold ore, and a rotary screen or vibration screen are needed to remove these gravels. Gold in placer gold is usually liberated from impurities, and the fine ore can be fed to the gravity separator directly.

rotary-screen vibration-screen

As an excellent gold extraction equipment, jig separator is used an gravity separator for the first rough separation to gain high grade gold concentrate. while centrifugal separators and table concentrators work as secondary further extraction. So the whole processing can be screening--gravity separation--shaking table or centrifugal separator. 

Forui jig separators have been used to beneficiate alluvial gold in Mongolia, Zimbabwe, Congo and many provinces in China. Jig separators of JT series, LTA series and trapezoidal jig separator 2LTC6109/8T is mainly used as alluvial gold extraction equipment and tin ore extraction equipment. (PS: Trapezoidal jig separator 2LTC6109/8T have begun to work as tin extraction machine to recover tin from tin sand in Russian since Oct. 2012. )

jig-separator jig-separator

 As for rock gold ore extraction, it needs floatation separation. And only quartz gold of coarse gold granules carried by pyrite can be extractec by jig separator. This kind of quartz gold separation is usually bounded to work together with rod milling and classifying as a whole beneficiation process. So the general processing flow sheet can be crushing--rod milling--jigging separation--centrifugal separation or amalgamation.

rod-mill amalgamation-cylinder


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