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A rapid method for the chemical characterization of ilmenites using ICP-OES
The principal use of titanium minerals (around 90% of the total) is for the production of titanium dioxide pigment. The analysis of the feed stock for the production of pigment with respect to Mn,Expand
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Leaching of gold and silver from Miller Process dross through non-cyanide leachants
Abstract Leaching of gold and silver from the Miller Process dross was investigated using non-cyanide leachants. The dross was found to be very refractory to direct leaching with thiourea as well asExpand
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Extraction of gold from an Indian low-grade refractory gold ore through physical beneficiation and thiourea leaching
The work carried out on the processing of a low-grade and refractory gold ore using thiourea is presented. Direct leaching of the “as-received” ore with thiourea has yielded only 16% gold extraction.Expand
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Microbially enhanced thiourea leaching of gold and silver from lead-zinc sulphide flotation tailings
Abstract The influence of bioleaching in improving the gold and silver recoveries from lead-zinc-sulphide flotation tailings has been investigated. Thiourea was employed as the lixivannt for theExpand
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Performance of Recalibrated Equations for the Estimation of Daily Reference Evapotranspiration
An accurate estimation of reference evapotranspiration (ET0) is of paramount importance for many studies such as hydrologic water balance, irrigation system design and management, crop yieldExpand
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Some studies on the extraction of gold and silver from lead-zinc sulfide flotation tailings through non-cyanide leachants
Gold and silver extractions from a low-grade lead-zinc sulphide flotation tailings has been investigated; using thiourea and thiosulphate as the lixiviants. Since the precious metals were finelyExpand
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Leaching of roast-reduced polymetallic sea nodules to optimise the recoveries of copper, nickel and cobalt
The reduction-roasting ammoniacal-leaching technology, widely used for the processing of nickel laterites, has been applied for the extraction of copper, nickel and cobalt from polymetallic seaExpand
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Selective precious metals leaching from a chalcopyrite concentrate using chloride/hypochlorite media
An alternative non-cyanide lixiviant, namely sodium hypochlorite, has been used for the selective extraction of gold and silver from a copper concentrate. Hypochlorite leaching of the as-received, asExpand
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Process Intensification in a “Simulated Moving-Bed” Heat Regenerator
The solid-gas contacting for thermal storage and thermal recovery is generally carried out in fixed-bed regenerators. Compared to a fixed bed, higher thermal recovery can be achieved in a moving bedExpand
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low-grade refractory gold ore through physical beneficiation an thiourea leaching
The work carried out on the processing of a low-grade and refractory gold ore using thiourea is presented. Direct leaching of the "as-received" ore with thiourea has yielded only 16% gold extraction.Expand
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