extraction crushing grinding and flotation of platinum

Kell hydrometallurgical process for extraction of platinum group ...

The Kell Process has been developed for the extraction of platinum group metals .... the milling and flotation circuits to be operated ''harder'', by grinding finer and...

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Twenty five years of UG2 processing - Mintek

Jun 5, 2009 ... ² 1st UG2-only concentrator at Western Platinum. ª What have we learned? ... paper in Extraction Metallurgy ''85 summarised the state of the ... ² 3 stage crush to <12mm. ² Grinding - Rod mill, two parallel closed circuit ball mills. ² Flotation - Rougher, 2 stages of closed circuit cleaning. ² 73% PGM recovery to...

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Introduction to Mineral Processing - Chevron Phillips Chemical

The process of froth flotation entails crushing and grinding the ore to a fine size. .... The organic solution returns to the extraction circuit to load more copper, thus...

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Patent US4295881 - Process for extraction of platinum group metals ...

Oct 20, 1981 ... (f) smelting the flotation concentrate in a high intensity eating furnace in .... For example, a South African ore was crushed and ground using a .... of the platinum group metals in the nonmagnetics feed to the grinding mill 27.

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Patent WO2003087416A1 - Process for extracting platinum group ...

Oct 23, 2003 ... The present invention relates to a process for extracting platinum group ..... The ore is subjected to crushing and grinding, followed by flotation,...

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Beneficiation and Extractive Metallurgy of PGE - SGS

The six platinum-group elements (PGE): ruthenium, rhodium, palladium, osmium, iridium and platinum, together .... liberation during the grinding process. In .... not amenable to recovery by flotation ...... cooled, crushed to minus 2 mm to suit.

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Froth flotation

Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. .... The rougher concentrate is often subject to further grinding (usually called regrinding) to get m...

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Basics in Minerals Processing - zenith

Minerals in operation. 2. Size reduction. 3. Crushing. Grinding. Size control. 4 ... Flotation. Magnetic separation. Leaching. Upgrading. 6. Sedimentation ..... have to be treated in special ways in order to extract maximum value out of each.

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Energy considerations in the current PGM processing ... - SAIMM

Sep 26, 2008 ... consumer and Anglo Platinum is one of the largest mining industry ... the processing route for optimal PGM extraction in its processing ... regrinding after an initial milling and flotation stage, (Rule ... crushing and grinding.

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