Selective Dealkalization of Red Mud Using Calcium Oxide with Pressure Leaching
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DOI: 10.1007/s11837-018-3160-1
Abstract: Selective leaching of Na from red mud by using CaO with pressure leaching was investigated. The main factors studied were temperature, pressure, CaO dose, and leaching time. An L9(34) orthogonal test was carried out to… read more here.
Keywords: red mud; calcium oxide; pressure leaching; mud using ... See more keywords
An in-situ synchrotron XAS study on the evolution of aqueous arsenic species in acid pressure leaching
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DOI: 10.1016/j.hydromet.2017.10.016
Abstract: Abstract The evolution of oxidation state of aqueous arsenic (As) under the condition of acid pressure leaching was investigated for the first time by in-situ synchrotron X-ray absorption spectroscopy (XAS). At an oxygen pressure of… read more here.
Keywords: pressure leaching; acid pressure; solution; aqueous arsenic ... See more keywords
Pressure leaching of copper sulphide from nickel refining: Initial experiments for valorisation
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DOI: 10.1016/j.mineng.2021.106820
Abstract: Abstract Copper sulphide rich leach residue from nickel refining is a marketable product and may be treated by smelting. In looking for another refining technology for its valorisation, the raw material was characterised and suitability… read more here.
Keywords: copper; copper sulphide; leaching copper; nickel refining ... See more keywords