flotation of o idized ug2 ore
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flotation of o idized ug2 ore

The significance of grinding environment on the flotation

A series of experiments was developed to test the flotation response of UG2 ores using the Magotteaux Mill® to determine if measurable differences in the pulp chemistry could be discerned using a range of grinding media types. Further, the flotation responses of the contained sulphides (chalcopyrite, pentlandite and pyrrhotite) were determined.

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THE DEVELOPMENT OF AN EXPERIMENTAL TECHNIQUE FOR UG-2

UG-2 ORE FLOTATION By Taswald Llewelyn Moodley A thesis submitted in fulfilment of the academic requirements for the degree of Master of Science in Engineering in the School of Chemical Engineering University of KwaZulu-Natal School of Chemical Engineering University of

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The significance of grinding environment on the flotation

A series of experiments was developed to test the flotation response of UG2 ores using the Magotteaux Mill® to determine if measurable differences in the pulp chemistry could be discerned using a

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Automated SEM study of PGM T distribution across a UG2

For the primary circuit sampled, UG2 ore milled to 40% < 75 μm was fed into the flotation cells with 10 forced air tank cells (20 m3) constituting the concentrate bank. The reagents used for flotation were copper sulfate (activator), sodium isobutyl xanthate (collector), carboxy-methyl-cellulose (CMC) (depressant) and methyl isobutyl carbinol

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A comparison of models for the recovery of minerals in a

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 and an

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EFFECT OF USING DIFFERENT GRINDING MEDIA ON THE

flotation performance of a Platinum Group Mineral (PGM) UG2 ore was investigated. Test work was conducted using a laboratory scale horizontal tumbling mill and a batch flotation cell. Power draw to achieve a specific P80 was determined for each media type.

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Effect of different grinding media composition on the

01-08-2018· UG2 ore was used and the focus has been on the effect of using different media on the particle characteristics, pulp properties and flotation behaviour of the ore. The objective of this study is to determine whether different grinding media compositions produce different chemical environments within the mill and the impact that this would have on the flotation performance.

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THE DEVELOPMENT OF AN EXPERIMENTAL TECHNIQUE FOR UG-2 ORE

UG-2 ORE FLOTATION By Taswald Llewelyn Moodley A thesis submitted in fulfilment of the academic requirements for the degree of 2.11 THE EFFECT OF FROTHER ON FLOTATION OF PLATINUM FROM UG2 ORE 22 2.12 CASE STUDIES INVOLVING THE USE OF DEPRESSANTS TO SOLVE THE

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A comparison of models for the recovery of minerals in a

minerals in a UG2 platinum ore by batch flotation by N.V. Ramlall* and B.K. Loveday† Synopsis 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.

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EFFECT OF USING DIFFERENT GRINDING MEDIA ON THE FLOTATION

The ROM UG2 ore sample was crushed using a cone crusher, and screened to produce ball mill feed with 100% passing 1.7 mm. A 30.5cm × 30.5 cm laboratory scale cylindrical ball mill was used for the grinding experiments. 4 kg ore was used for grinding and flotation tests. Grinding was performed in the

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Effect of different grinding media composition on the

01-08-2018· UG2 ore was used and the focus has been on the effect of using different media on the particle characteristics, pulp properties and flotation behaviour of the ore. The objective of this study is to determine whether different grinding media compositions produce different chemical environments within the mill and the impact that this would have on the flotation performance.

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Reagent Optimization across a UG2 Plant

across the UG2 circuit during the flotation process. All tests were performed using batch flotation and adding different reagents involved in the process in order to obtain the concentrate. This information was needed to compare the dosages in terms of grade and recovery data that would be obtained after conducting flotation tests.

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The effect of copper sulphate addition on the recovery of

Flotation performance was evaluated using the relationship of mass to water recovery as well as the chromite recovery. Experimental details The ore The UG2 ore was obtained from the Bushveld Igneous complex in the North West province of South Africa. The UG2 ore consists mainly of chromite at a composition of roughly 26% by mass.

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Flotation Conditioners of Oxidized Zinc and Lead Ore

24-05-2019· The use of flotation conditioners process can increase the selectivity of the flotation process, enhance the effect of the collectors, and improve the conditions of the ore pulp. 1. Sulfurizing Reagent. Oxidized ore is generally formed by ionic bonding, and is highly hydrophilic. It is not easy to float oxidized ore with xanthate collector.

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Mineralogical characterisation of chromite in the UG2

These three ore bodies are principally beneficiated by froth flotation. During the beneficiation of chromite hosted PGE’s by froth flotation, chromite represents the principal gangue mineral. This is particularly true for the UG2 main seam.

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17 Flotation of Gold Ores Aalto

2 17. Flotation of Gold Ores. also for beneficiation and separation of difficult-to-treat (refractory) gold ores. Flotation is also the best method for recovery of gold from base metal ores and gold-containing PGM ores. Excluding gravity preconcentration, flotation remains the

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The Importance of pH in Flotation 911 Metallurgist

10-08-2015· Starch is often more effective than sodium silicate especially with ores containing gangue minerals such as talc, kaolin, serpentine, etc., which have a strong tendency to float. The addition of a small amount of starch—generally 0.2 and seldom more than 0.5 lb. per ton—will usually deflocculate such minerals completely, but care is required in its use as excess may depress the valuable

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