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Ion Flotation Studies and Separation Procedures for the

flotation properties of the platinum group metals, develop methods for the quantitative recovery of the platinum metals from dilute solutions by ion flotation and investigate the feasibility of ion flotation for the group separation. The anionic chlorocomplexes of Pd(II), Ir(IV), Pt(IV), Au(III), Rh(III) and Ir(III) were floated from aqueous

"Ion Flotation Studies and Separation Procedures for the

Procedures were developed for the single stage, batch ion flotation separation of several binary mixtures of the platinum metals. For these separations, conditions were adjusted in which one metal was selectively floated from the solution and recovered by a modified solvent

Platinum Palladium Flotation

Table of ContentsGeneral Geology and MineralogyFlotation Test Equipment & ProcedurePreliminary Flotation TestsOptimization of Rougher Flotation with Mercaptobenzothiazole Collector and Sulfuric Acid ModifierEffect of Recycling Water in Rougher Circuit on FlotationLarger Scale Rougher Flotation TestsCleaning of Rougher ConcentratesPlatinum Palladium Flotation Summary An exploration

Laboratory Flotation Testing An Essential Tool for Ore

the recommended procedure for performing these laboratory flotation tests flotation testing and the various techniques that can be used to analyse these batch test results come in useful. They are relatively platinum ore, for instance, may require 45 minutes to an hour to

The Characterisation of a Two Stage Flotation Circuit

CIRCUIT TREATING A COMPLEX PLATINUM AND CHROMITE ORE A Thesis submitted to the UNIVERSITY OF CAPE TOWN in Fulfilment of the Requirements for the Degree of 3.3.1 Batch flotation procedure and equipment 3. 3 .1.1 Equipment and parameters 3. 3 .1. 2 Flotation time 3.3.1.3 Standard procedure 3. 3. 2 Residence time distribution studies

US6679383B2 Flotation of platinum group metal ore

Provided is a method involving flotation of a feed of platinum group metal ore material to prepare a platinum group metal concentrate during mineral processing operations. Prior to and/or during the flotation, a lead-containing activator reagent and a xanthate collector reagent are added to the slurry and during the flotation, an oxygen-deficient flotation gas, such as nitrogen gas, is used.

1 Froth Flotation Fundamental Principles

1 Froth Flotation Fundamental Principles Froth flotation is a highly versatile method for physically separating particles based on differences in the ability of air bubbles to selectively adhere to specific mineral surfaces in a mineral/water slurry. The particles with attached air

Application of fundamentals in optimizing platinum

Conference, Platinum in transition ‘Boom or Bust’, The Southern African Institute of Mining and Metallurgy, 2010. Application of fundamentals in optimizing platinum concentrator performance M.M. VALENTA and H. MAPHETO Metallicon Process Consulting (Pty) Ltd A number of challenges face platinum concentrator plant operators.

Froth flotation Wikipedia

Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

"Ion Flotation Studies and Separation Procedures for the

Procedures were developed for the single stage, batch ion flotation separation of several binary mixtures of the platinum metals. For these separations, conditions were adjusted in which one metal was selectively floated from the solution and recovered by a modified solvent

The Characterisation of a Two Stage Flotation Circuit

CIRCUIT TREATING A COMPLEX PLATINUM AND CHROMITE ORE A Thesis submitted to the UNIVERSITY OF CAPE TOWN in Fulfilment of the Requirements for the Degree of 3.3.1 Batch flotation procedure and equipment 3. 3 .1.1 Equipment and parameters 3. 3 .1. 2 Flotation time 3.3.1.3 Standard procedure 3. 3. 2 Residence time distribution studies

Treatment of Platinum Flotation Products

A flowsheet has been developed for the production of rich concentrates of precious and non-ferrous metals by a complex treatment of the flotation products from South African platinum-containing

US6679383B2 Flotation of platinum group metal ore

Provided is a method involving flotation of a feed of platinum group metal ore material to prepare a platinum group metal concentrate during mineral processing operations. Prior to and/or during the flotation, a lead-containing activator reagent and a xanthate collector reagent are added to the slurry and during the flotation, an oxygen-deficient flotation gas, such as nitrogen gas, is used.

(PDF) Investigation into the mineralogy and flotation

Once extracted from the ground, the ore is crushed, milled and concentrated by flotation to recover the valuable platinum group elements (PGE) that are hosted either in discrete platinum group minerals (PGM) or in solid solution with the base metal sulfides (BMS), namely chalcopyrite, pentlandite, pyrrhotite and minor pyrite (e.g. solid

THE FLOTATION OF HIGH TALC-CONTAINING ORE FROM

causes problems during the flotation of the PGM minerals due to the fact that talc consumes high amount of reagents. Therefore the purpose of the second part of this thesis was to investigate the possibility of removing talc prior to the flotation process by de-s. Two cyclones (36.9 mm and 76.0 mm) were used for de-s the flotation feed.

1 Froth Flotation Fundamental Principles

1 Froth Flotation Fundamental Principles Froth flotation is a highly versatile method for physically separating particles based on differences in the ability of air bubbles to selectively adhere to specific mineral surfaces in a mineral/water slurry. The particles with attached air

How is platinum extracted from its ore

Sep 19, 2014 Foam flotation: The platinum ore is crushed and milled, which increases the surface area of the metal and making it easier to extract all the valuable metals. Froth flotation is a method of separating materials on the basis of their physical properties, for instance affinity for water or density. In Platinum mining the crushed solid mixture is

Reagent Optimization across a UG2 Plant

collector and depressant needed for the optimum flotation of sulphide minerals. Fig. 2 shows the flow sheet for the flotation process of a typical UG2 circuit. Fig. 2. Typical flow sheet of UG2 circuit . II. METHODOLOGY. Hot floats samples were collected from the Anglo platinum mines plant, after stopping the pumps which

Flotation Reagents Mineral Processing & Metallurgy

This data on chemicals, and mixtures of chemicals in froth flotation with some of the more common flotation reagents and their uses.

Effect of pH on the Recovery and Grade of Base Metal

Platinum Group Metals, Bushveld complex I. INTRODUCTION HIS article concentrates on the effect of pH on the recovery and grade of PGMs from UG2 ore by flotation. Flotation is a process of separating minerals from one another: this technique depends primarily on the difference in the wettability of the particles. This concept is broad and

A practical approach to plant-scale flotation optimization

the Anglo Platinum Bubble Sizer (APBS) developed by Stone Three Technology, which measures bubbles on industrial flotation cells, was used. The APBS works by maintaining an unbroken column of water from deep within the flotation cell where the bubbles are

THE DEVELOPMENT OF AN EXPERIMENTAL TECHNIQUE

The conventional laboratory test procedure makes use of batch tests in various sizes of flotation cells. The procedure was made more realistic, by using four stages of flotation, rather than just two, to mimic a typical platinum flotation plant. The use of four stages made

From Bench Scale to Pilot Scale

Pilot plant flotation Continuous pilot scale flotation programs can be run in conjunction with comminution, regrind circuits and thickening/filtration to provide crucial information for plant scale operation. our flotation cells range in size from 1.5 to 300L and can be arranged to simulate various circuit configurations from 15 kg/hr to 2 tph.

THE DEVELOPMENT OF AN EXPERIMENTAL TECHNIQUE

The conventional laboratory test procedure makes use of batch tests in various sizes of flotation cells. The procedure was made more realistic, by using four stages of flotation, rather than just two, to mimic a typical platinum flotation plant. The use of four stages made

Effect of pH on the Recovery and Grade of Base Metal

Platinum Group Metals, Bushveld complex I. INTRODUCTION HIS article concentrates on the effect of pH on the recovery and grade of PGMs from UG2 ore by flotation. Flotation is a process of separating minerals from one another: this technique depends primarily on the difference in the wettability of the particles. This concept is broad and

A practical approach to plant-scale flotation optimization

the Anglo Platinum Bubble Sizer (APBS) developed by Stone Three Technology, which measures bubbles on industrial flotation cells, was used. The APBS works by maintaining an unbroken column of water from deep within the flotation cell where the bubbles are

A Comparison between Column and Mechanical Cell

concentrations. The traditional flotation cell consists of a stirred tank incorporating air injection. In recent decades columns have appeared to offer advantages for platinum flotation. This project is a comparative study of the use of column and mechanical cells as cleaners for the flotation of an UG-2 (Upper Group 2) platinum ore.

Reagent Optimization across a UG2 Plant

collector and depressant needed for the optimum flotation of sulphide minerals. Fig. 2 shows the flow sheet for the flotation process of a typical UG2 circuit. Fig. 2. Typical flow sheet of UG2 circuit . II. METHODOLOGY. Hot floats samples were collected from the Anglo platinum mines plant, after stopping the pumps which

THE FLOTATION OF HIGH TALC-CONTAINING ORE FROM

causes problems during the flotation of the PGM minerals due to the fact that talc consumes high amount of reagents. Therefore the purpose of the second part of this thesis was to investigate the possibility of removing talc prior to the flotation process by de-s. Two cyclones (36.9 mm and 76.0 mm) were used for de-s the flotation feed.

Flotation Mintek

Flotation Mintek can develop and evaluate flotation procedures for new ores, according to specific product grade and recovery requirements, by applying its expertise on the selection of plant configuration, reagents, and conditions, and by running extended pilot-scale testwork. It also offers a consultancy service to help existing plants. Equipment

Kell Process

Kell Technology. The Kell Process has been developed for extraction of platinum group metals (PGM), gold, silver and base metals from PGM sulfide flotation concentrates without smelting. The hydrometallurgical process has been successfully demonstrated on several different PGM and polymetallic concentrates, including those from the UG2, Merensky and Platreef in South Africa, Great

Flotation ore dressing Britannica

Flotation is widely used to concentrate copper, lead, and zinc minerals, which commonly accompany one another in their ores. Many complex ore mixtures formerly of little value have become major sources of certain metals by means of the flotation process. This article was most recently revised and updated by Chelsey Parrott-Sheffer, Research Editor.

From Bench Scale to Pilot Scale

Pilot plant flotation Continuous pilot scale flotation programs can be run in conjunction with comminution, regrind circuits and thickening/filtration to provide crucial information for plant scale operation. our flotation cells range in size from 1.5 to 300L and can be arranged to simulate various circuit configurations from 15 kg/hr to 2 tph.

Ion Flotation Studies and Separation Procedures for the

Ion Flotation Studies and Separation Procedures for the

Methods of recovering platinum-group metals from

Because the ore is sulfidic in nature, it was concentrated by froth flotation. A 45 kg/h process development unit (PDU) was constructed and 85 to 95% of the platinum and palladium were recovered from the ore by using mercaptobenzothiazole or sodium isobutyl xanthate as collectors.

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.

Beneficiation and Extractive Metallurgy of PGE

The six platinum-group elements (PGE): ruthenium, rhodium, palladium, osmium, iridium and platinum, together with gold and silver, are considered to be “precious” metals. The recent spike in platinum and palladium prices coupled with the projected increase in demand for the metals has fuelled a spate of exploration and new projects