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Effects of frother type and froth height on the flotation

In the UG2 ore Bushveld Complex South Africa flotation normally more than 3 of the gangue minerals principally chromite with talc and pyroxene report to the concentrate diluting the PGM

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INVESTIGATION OF CHROMITE FLOTATION FROM

ΠΕΡΙΚΟΠΗ ΠΕΡΙΛΗΨΗΣ IN THIS THESIS THE INVESTIGATION OF CHROMITE ORE FLOTATION IS DESCRIBED THE CHROMITE SAMPLES COME FROM THE RIZO BOURINOS AREA IN NORTHERN GREECE FLOTATIONMETHODS ARE REGARDING AS THE ONLY ALTERNATIVE SOLUTION FOR THE EXPLOITATION OF THESE CHROMITE DEPOSITS

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Column Flotation of Chromite and Fluorite Ores Canadian

2013 7 18   Abstract The Bureau of Mines investigated column vs conventional flotation of chromite and fluorite ores Fine bubble column flotation of deslimed chromite ore produced a 44 7 Cr 2 O 3 rougher concentrate at 87 1 recovery whereas conventional flotation produced a 40 4 Cr 2 O 3 concentrate at 85 4 recovery Column flotation of undeslimed chromite ore also produced results superior to

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floatation flowsheet of beneficiation of chromite

2012 11 16   gold process using floatation – process crusher flotation equipment for copper gold ore chromite flotation … Froth floatation for fly ash beneficiation froth …This flowsheet of gold ore processing … »More detailed

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Effect of pH on the Recovery and Grade of Base Metal

2011 9 10   base metal sulphides from the UG2 ore of the bushveld complex This was achieved through running a series of test work in a Denver flotation cell at varying pH 6 11 at constant reagent dosage The UG 2 reef is characterized by two predominant gangue phases i e chromite and silicate that have significantly different physical and chemical

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Download Concentration Of Chromite Ores By Flotation …

Synopsis Concentration of Chromite Ores by Flotation written by Steve Dembicki published by Anonim which was released on 16 November 2021 Download Concentration of Chromite Ores by Flotation Books now Available in PDF EPUB Mobi Format Chromium is one of the less common metals but recognition of its valuable properties has led to its use in an ever increasing variety of industries

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The effect of a copper sulphate addition on the recovery

Chromite and talc are two major gangue minerals in platinum bearing UG2 ore processed from the Bushveld Complex in South Africa During flotation talc is …

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Flotation of Chromite Ore

2017 6 5   Deslimed chromite ore was floated at pH 1 5 to 5 5 using a long chain fatty acid collector and soluble fluoride ions as a silicate depressant The Havens method …

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THE USE OF COLUMN FLOTATION FOR THE RECOVERY …

2014 7 16   The ore is processed in four physically distinct processing steps consisting of crushing and grinding concentration flotation high intensity magnetic separation followed by filtration and drying The naturally occurring fines and the fines generated by grinding are removed in

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Download PDF Amine Flotation Of Chromite Ores From …

Amine Flotation of Chromite Ores From the Stillwater Complex Mont by G E Smith J L Huiatt and M B Shirts 1981 12 pp Mineral liberation analyses of the northern California ore samples suggested that chromite could be physically concentrated using methods that are generally Amine Flotation of Chromite Ores From the

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The flotation behaviour of chromite with respect to the

Chromite is one of the main gangue consituents of UG2 ore and it is essential that the amount of chromite reporting to the concentrate during flotation be minimised since it is detrimental to the subsequent smelting operations It is generally considered that chromite is naturally hydrophilic and only reports to the concentrate by entrainment

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US2469422A

US2469422A US514987A US51498743A US2469422A US 2469422 A US2469422 A US 2469422A US 514987 A US514987 A US 514987A US 51498743 A US51498743 A US 51498743A US 2469422 A US2469422 A US 2469422A Authority US United States Prior art keywords treatment concentrate pulp flotation froth Prior art date 1943 12 20 Legal status The legal status is an assumption and is not a …

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Column Flotation of Chromite and Fluorite Ores Canadian

2013 7 18   Abstract The Bureau of Mines investigated column vs conventional flotation of chromite and fluorite ores Fine bubble column flotation of deslimed chromite ore produced a 44 7 Cr 2 O 3 rougher concentrate at 87 1 recovery whereas conventional flotation produced a 40 4 Cr 2 O 3 concentrate at 85 4 recovery Column flotation of undeslimed chromite ore also produced results superior to

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AN INVESTIGATION OF FROTH EFFECTS IN SCAVENGING …

2016 5 6   currently two major problems which are experienced during the flotation of UG 2 ore Firstly mineralogical studies have shown that the platinum losses in flotation plants are currently in excess of 10 and secondly the high chromite content in the flotation concentrate leads to …

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Acidic medium flotation separation of chromite from

1997 11 1   The physico chemical interactions among minerals such as olivine chromite and serpentine the most commonly present ions in solution such as Ca and Mg and flotation reagents such as EDTA and oleic acid were investigated The study was conducted via release tests electro phoretic measurements and microflotation of selected minerals coming from the Kukes deposit in Albania The …

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US2469422A

US2469422A US514987A US51498743A US2469422A US 2469422 A US2469422 A US 2469422A US 514987 A US514987 A US 514987A US 51498743 A US51498743 A US 51498743A US 2469422 A US2469422 A US 2469422A Authority US United States Prior art keywords treatment concentrate pulp flotation froth Prior art date 1943 12 20 Legal status The legal status is an assumption and is not a …

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FLOTATION BEHAVIOR OF SUDANESE CHROMITE ORES

2014 6 28   A chromite ore sample about 250 kgs of low grade ore was collected from Chickay mines at the Ingassana Hills A high grade chromite ore sample 10Kg and a similar high grade serpentine sample were selectively collected to investigate their flotation characteristics Lumpy Samples about 10 kg of low grade chromite ore were taken

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Trithiocarbonates for PGM flotation

2012 6 18   TRITHIOCARBONATES FOR PGM FLOTATION 169 Introduction An increase in the beneficiation of UG2 ore is central to Impala Platinum's strategic plan for increasing its platinum production in 2006/07 Beneficiation of this chromite rich ore however poses certain problems and challenges High recovery of valuable minerals from UG2 is accompanied by

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The application of flotation test work to plant design and

2009 6 5   Characteristics of UG 2 Ore •Major Source of PGM's •Two major gangue phases –Chromite 25 to 40 –Siliceous gangue phase flotation •Minimise chromite recovery through entrainment •Judiciously add depressant to reduce silicates recovered by flotation •… without increasing chromite …

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Flotation of chromite and serpentine

2007 6 15   It is well known that flotation of chromite and serpentine is very difficult especially in oleate flotation due to similar surface properties of both minerals and to the ions such as Mg 2 deriving from the ore and depressing the adsorption of RCOO − ions on the chromite surface Modifying agents may be used to increase selectivity

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Enrichment of a Nigerian chromite ore for metallurgical

This study focused on the beneficiation of a Nigerian complex chromite ore sourced from Tunga Kaduka Anka Local Government of Zamfara State Nigeria assaying 45 85 Cr 2 O 4 and 54 15 mineral impurities was enriched concurrently through sink floatation and magnetic separation techniques The chromite ore initially analyzed to contain silicate impurities was found not suitable for

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Amine For Chromite Ores Processing By Froth Flotation

FLOTATION BEHAVIOR OF SUDANESE CHROMITE ORES 1 This study is concerned with the processing of low grade chromite ores Froth flotation was used to upgrade this chromite ore fatty acid amine collector Read more

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Amine For Chromite Ores Processing By Froth Flotation

FLOTATION BEHAVIOR OF SUDANESE CHROMITE ORES 1 This study is concerned with the processing of low grade chromite ores Froth flotation was used to upgrade this chromite ore fatty acid amine collector Read more

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Download PDF Amine Flotation Of Chromite Ores From …

Amine Flotation of Chromite Ores From the Stillwater Complex Mont by G E Smith J L Huiatt and M B Shirts 1981 12 pp Mineral liberation analyses of the northern California ore samples suggested that chromite could be physically concentrated using methods that are generally Amine Flotation of Chromite Ores From the

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The Characterisation of a Two Stage Flotation Circuit

2020 12 8   chromite recoveries was determined by sampling around the unit The changes in ore floatability characteristics were monitored by carrying out batch flotation tests on samples

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PDF Flotation of chromite and serpentine

However especially Na Oleate flotation of a chromite ore containing serpentine instead of olivine is very difficult because both minerals exhibit almost similar surface properties with chromite

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Column Flotation of Chromite and Fluorite Ores

Column flotation of undeslimed chromite ore also produced results superior to those attained with conventional flotation Column flotation of fluorite ore produced a 90 9 CaF2 rougher concentrate at 86 8 recovery compared with a 67 CaF2 rougher

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AN INVESTIGATION OF FROTH EFFECTS IN SCAVENGING …

2016 5 6   currently two major problems which are experienced during the flotation of UG 2 ore Firstly mineralogical studies have shown that the platinum losses in flotation plants are currently in excess of 10 and secondly the high chromite content in the flotation concentrate leads to …

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A comparison of models for the recovery of minerals in a

2015 3 31   A study was carried out to evaluate various batch flotation models for the recovery of minerals in a UG2 platinum ore The major minerals in a UG2 ore can be grouped as platinum group minerals chromite and siliceous gangue This study also examined the entrainment of minerals during flotation The models were ranked using statistical methods

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THE FLOTATION OF SOUTH AFRICAN CHROMITE ORES …

2014 5 14   Keywords Flotation chromite ore pH anionic collector separation index 1 INTRODUCTION Chromite is an iron chromium oxide FeCr 2 O 4 mineral belonging to the spinel group 1 The only ore of chromium is chromite ore which ferrochromium and metallic chromium are produced from it by extracting processes

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