Monazite Tailings In South Africa

monazite in beach sands in south africa

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From Tailings to Treasure Miners Make Money

May 07, 2015 One example reported in Rapaport Magazine describes the efforts of De Beers Consolidated Mines DBCM to extract overlooked diamonds from 360 million tons of old tailings surrounding the Kimberley mines in South Africa. According to the company, thanks to advances in separating, sorting, and crushing equipment, very small diamonds can be ...

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The Toxic Landscape of Johannesburgs Gold Mines WIRED

Jun 18, 2014 More than a century of gold mining has left towering piles of bleached mine waste, known as tailings, all over Johannesburgs landscape. Discovery of gold in the region in 1886 led to the ...

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Towards cleaner production Using flotation to recover

Feb 01, 2017 In line with the principles of cleaner production, the removal of monazite via reverse flotation was investigated with a view to reducing the radioactivity of a heavy mineral sands waste stream. Another benefit was to create a potential REE by-product from the Namakwa Sands operation in South Africa.

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Mineral Sands NORM Appendix World Nuclear Association

Monazite is thus normally returned to the mine and dispersed with the tailings. Western Australian mineral sands deposits contain up to 10 heavy minerals, of which 1-3 is monazite. This in turn typically contains 5-7 of radioactive thorium and 0.1-0.3 of uranium, which is barely radioactive.

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