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Coarse gold recovery

Gravity concentration is a method used to separate minerals based on their density and particle size. It relies on the principle that denser particles settle faster in a fluid medium, such as water, under the influence of gravity. This process is particularly effective for recovering free gold particles that are fully liberated and of a certain size.

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Gravity Separation Processes


Various devices are used to exploit the differences in density between gold particles and gangue minerals. Commonly used equipment includes:


Centrifugal Concentrators:

These devices utilize centrifugal force to enhance the gravitational acceleration experienced by particles in a spinning bowl. Gold particles, being heavier, migrate towards the bowl's walls, while lighter gangue minerals are displaced towards the center.


Shaking Tables:

Shaking tables consist of a deck with riffles and a shaking motion that causes stratification of particles based on density. Heavier gold particles settle into the riffles, while lighter particles are washed away.



Jigs are mechanical devices that utilize pulsating water flow to stratify particles based on density. Gold particles settle into the jig bed, while lighter gangue material is washed away

Advantages of Gravity Concentration:

Low Capital and Operating Costs: Gravity concentration requires minimal energy input compared to other methods, making it cost-effective in the cases where it can be done.

Environmentally Friendly: Gravity concentration does not involve the use of harmful chemicals, making it environmentally sustainable compared to chemical-based processes like cyanidation.

High Recovery Rates: When properly applied, gravity concentration can achieve high recovery rates for free gold particles.

Manhattan, through its operational exposure and experience in underground mining and processing plants, is able to transfer this hands-on knowledge to gold operations whether it is for a new gold project, a refurbishment or expansion. We offer Turnkey Process Plant Solutions.


Contact our team of experts today for your BEST VALUE Gold Processing Solutions.

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Leaching processes

Carbon in leach (CIL) and carbon in pulp (CIP) are two common gold recovery processes used in the mining industry. Both processes involve the use of activated carbon to adsorb gold from the slurry solution. The main difference between the two processes is the way the carbon is mixed with the slurry.
Both processes are effective in recovering gold and are widely used in the industry, depending on the mineral characteristics of the ore.

Carbon-in-Leach (CIL) and Carbon-in-Pulp (CIP) Plants: These are commonly used in gold cyanidation plants. In CIL plants, carbon is added to the leach tanks to adsorb the gold from the cyanide solution, while in CIP plants, the carbon is added in the adsorption tanks. The loaded carbon is then stripped of the gold using various methods for gold recovery.

gold metal recovery

Manhattan has XXX years experience in the Gold Mining and Processing industry. Our team can build elution columns from XXX TPH to XXX tph. Specialists in the Zadra processs.... etc? 


Manhattan offers Turnkey Process Solutions - Our specialized Elution Concepts Include:

  • Energy Efficiency 

  • Low CAPEX

  • Optimal Performance with Specialized Design

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