Gravity separation can have some drawbacks that need to be considered. Variations in feed characteristics, such as particle size, shape, density, and moisture content can affect the efficiency and performance of the process.
Additionally, gravity separation may not be effective for certain minerals with similar specific gravities or that are closely associated with the gangue. It may require multiple stages or devices to achieve the desired separation and concentration, which can increase complexity and capital costs.
Furthermore, tailings containing residual valuable minerals may be generated, reducing overall recovery and requiring further treatment or disposal.
Finally, gravity separation requires a large amount of water to create the fluid medium and to transport the particles. This can pose problems in areas with water scarcity, high costs, or strict regulations. Moreover, the discharge of tailings and effluents from gravity separation can cause pollution and ecological damage, unless proper treatment and disposal are implemented.
While gravity separation is a powerful and often eco-friendly method in mineral processing, it’s not a magic bullet. What are the key limitations that sometimes prevent gravity methods from achieving optimal recovery? Share your insights and experiences!
Text rights: Marek and al.
Text source: https://www.linkedin.com/advice/1/what-benefits-drawbacks-using-gravity-separation-9zukc
