Process for treating acid mine drainage

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United States of America Patent

PATENT NO 12049420
APP PUB NO 20220411302A1
SERIAL NO

17642501

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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This invention relates to a process for treating acid mine drainage (AMD). The process includes the steps of adjusting the pH of the AMD to be in the range of 3 to 5; adding maghemite nanoparticles to form a slurry; and a) aerating the slurry obtained in step 3), or b) simultaneously heating and mixing the slurry obtained in step 3). Thereafter maghemite nanoparticles loaded with one or more metals and sulphate and precipitated metals is separated from the slurry.

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Patent Owner(s)

Patent OwnerAddress
UNIVERSITY OF SOUTH AFRICA0001 PRETORIA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kefeni, Kebede Keterew Pretoria, ZA 1 0
Mamba, Bhekie Brilliance Roodepoort, ZA 1 0

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