Flotation Sulphide Adjustment


Copper Sulfide Flotation - Mineral Processing & Metallurgy

Copper Sulfide Flotation Circuit The pulp from the Conditioner is treated in a 10-cell “Sub-A” Flotation Machine and a 4-cell “Sub-A” Flotation machine Sometimes conditioners are not provided; however, their use insures that reagents are thoroughly mixed into the pulp ahead of flotation


Sulphide Gold Ore Treatment by Leaching and Flotation Process

Sulphide Gold Ore Treatment by Leaching and Flotation Process For many years, after introduction of the cyanide process for dissolution of gold, the usual practice was to grind all the ore with little or no concentration before cyanidation There were two general cyanidation flowsheets; sand leaching and …


Flotation experiment research on a polymetallic sulfide ore of

ph adjustment test of copper/lead bulk flotation The flotation of the polymetallic sulfide ore of copper, lead, and zinc is generally suitable at alkaline pH conditions Lime and soda are common agents used in adjusting the pH of the slurry


Froth flotation of Aljustrel sulphide complex ore

Froth flotation of Aljustrel sulphide complex ore 761 chalcopyrite promoter was added and two minutes later the frother was added One minute later, the air valve was opened and flotation started with the first concentrate collection lasted three minutes Next, the air valve was closed, pH adjusted …


PH adjustment in the flotation of sulphide minerals

PH adjustment in the flotation of sulphide minerals Dec 30, 2003 The present invention relates generally to a process for flotation of sulphide minerals where a flotation pulp is separated into a coarse stream and a fine stream, preferably containing particles coarser than about 30 micron and particles finer than about 30 micron, respectively


PH adjustment in the flotation of sulphide minerals - WMC

Apr 18, 2006 · The present invention relates generally to a process for flotation of sulphide minerals where a flotation pulp is separated into a coarse stream and a fine stream, preferably containing particles coarser than about 30 micron and particles finer than about 30 micron, respectively


Redox potential control during flotation of a sulphide

Aug 15, 2017 · Redox potential (Eh) control can play a critical role during sulphide mineral flotation by influencing the reactions on the surface of the minerals and consequently the flotation behaviour Such control is usually a combined function of dissolved oxygen and pH control but can also be achieved by using appropriate stone modifiers


Introduction to Mineral Processing - Chevron Phillips Chemical

Introduction to Mineral Processing In ore beneficiation, flotation is a process in which valuable minerals are separated from worthless material or other valuable minerals by inducing them to gather in and on the surface of a froth layer Sulfide and non-sulfide minerals as well as native metals are recovered by froth flotation


CHAPTER 7 FLOTATION OF SULPHIDE MINERALS

In this model the role of the oxygen is to oxidise lattice sulphide ion to sulphur Flotation of Galena (PbS) Complete flotation of galena is achieved from pH 2 to pH 10 using ethyl xanthate The collector adsorption mechanisms were discussed above The hydrophobic metal-collector species responsible for flotation is PbX 2


Gold-Pyrite ores - Danafloat - Home

Gold-Pyrite ores Where the gold is intimately associated with various sulphide minerals, especially iron sulphides which include pyrite, arsenopyrite and pyrrhotite, flotation recovery of the gold is dependent on recovery of the associated minerals In this case gold follows the associated sulphide mineral recovery


PH adjustment in the flotation of sulphide minerals - WMC

Apr 18, 2006 · The present invention relates generally to a process for flotation of sulphide minerals where a flotation pulp is separated into a coarse stream and a fine stream, preferably containing particles coarser than about 30 micron and particles finer than about 30 micron, respectively


Froth flotation of Aljustrel sulphide complex ore

Froth flotation of Aljustrel sulphide complex ore 761 chalcopyrite promoter was added and two minutes later the frother was added One minute later, the air valve was opened and flotation started with the first concentrate collection lasted three minutes Next, the air valve was closed, pH adjusted …


Flotation of a complex sulphide ore I CuZn selectivity

Download Citation on ResearchGate | Flotation of a complex sulphide ore I CuZn selectivity control by adjusting pulp potential with different gases | To investigate the possibility of using gases


Chapter 8 Flotation of Non-Sulphide Minerals - Hacettepe

Lecture 6 Flotation 4 Flotation by Chemisorption Chemisorption of high mlecular weight collectors on oxides and silicates seems to involve the hydrolysis of cations comprising the minerals The hydroxycomplexes formed are very surface active and adsorb strongly on the solid surfaces


Sulphide Flotation - an overview | ScienceDirect Topics

MG Aylmore, in Gold Ore Processing (Second Edition), 2016 511 Platsol™ Process The Platsol™ process was originally developed in collaboration with the University of British Columbia, Kane Consultants Ltd, and Lakefield Research in Canada for the treatment of flotation sulfide concentrate for Polymet Mining Company in Minnesota and was tested on similar types of concentrate materials


Redox potential control during flotation of a sulphide

Aug 15, 2017 · Redox potential (Eh) control can play a critical role during sulphide mineral flotation by influencing the reactions on the surface of the minerals and consequently the flotation behaviour Such control is usually a combined function of dissolved oxygen and pH control but can also be achieved by using appropriate stone modifiers


FROTH FLOTATION : RECENT TRENDS Flotation of Sulphide …

sulphide ore flotation practices in brief and processes adopted in HZL's plants It also highlights R&D efforts made and new technologies adopted in one of the most complex sulphide ore beneficiation plants to solve metallurgical problems in flotation process Key Words : Froth flotation, Sulphide flotation, Control system, Flotation


(PDF) Redox potential control during flotation of sulphide

PDF | Redox potential (Eh) control plays a critical role during sulphide mineral flotation by influencing the reactions on the surface of the minerals and consequently the flotation behaviour


Flotation of mixed copper oxide and sulphide minerals with

and sulphide minerals using flotation by blending their primary sulphide ore with oxide ores The blend used in this laboratory scale investigation was 70% sulphide ore and 30% oxide ore on a weight basis The copper sulphides present in the blend were bornite and chalcopyrite, while the oxides were malachite and minor azurite


Characterization and Flotation of Sulfur from Chalcopyrite

Vo1 2, No1 Characterization and Flotation of Sulfur from Chalcopyrite Concentrate Leaching 7 A sodium silicate dosage of 50 g/t increases the sulfur grade of the concentrate to 89% with a recovery of 91% The grade of both copper and siliceous material has


v118n2a4 Polythionate formation during uranium recovery

Polythionate formation during uranium recovery from sulphide flotation concentrate pH adjustment of the leach slurry was conducted either at ambient temperature or at 50°C by addition of 20% (m/m) lime (Ca(OH)2) slurry The pH was adjusted to either 3 or 35–38, depending on the case studied


sulphide ore flotation cell - chiropractorchiropracticcoza

Flotation Cell, Flotation Cell Suppliers and Manufacturers sulphide ore flotation cell Flotation cell, flotation separator ,Gold ore flotation machine popular in Australia Froth Floatation Machine/flotation cell with ISO9001 certificate


Flotation of Nickel-Copper Sulphide Ore: Optimisation of

All the flotation test-work was done using the Denver laboratory machine with a 15l stainless steel flotation cell The required mass of nickel-copper sulphide ore material ground to 70% passing 75 µm was weighed and placed in the flotation cell


Flotation ‘17 - min-eng

0940 Performance characterisation of new frothers for sulphide mineral flotation D Chipfunhu (BASF Australia Ltd, Australia), G Bournival, S Ata (University of New South Wales, Australia) and S Dickie (BASF New Zealand Ltd, New Zealand) 1000 Mitigation negative effects of thiosulfate on flotation performance of a Cu-Pb-Zn sulfide ore


flotation sulphide adjustment - humpty-dumptycoza

flotation sulphide adjustment CanLII Occupational Health and Safety Regulations, Nu SAFETY ACT CONSOLIDATION OF OCCUPATIONAL HEALTH AND SAFETY REGULATIONS R 003 2016 In force March 29, 2016 (Current to June 19, 2016) AS AMENDED BY This consolidation is not an official statement of the law


flotation sulphide adjustment - humpty-dumptycoza

flotation sulphide adjustment chiropractorchiropractic Xinhai iron ore crushing and screening plant , lead plant , lead Equipped with wedge adjustment devices, enable to realize automatic The sulphide minerals are then separated from the gangue, by flotation Get Price Redox potential control during flotation of a sulphide


EFFECTS OF EDTA ON SELECTIVE FLOTATION OF SULPHIDE …

Every sulphide mineral is influenced at different degrees of oxidation by its stone composition, crystal structure and most important its electrochemical reactivity (Ekmekçi et al 2003) It is very well known that the flotation behaviour of a sulphide mineral, when mixed with other sulphide …


RECYCLING PROCESS WATER IN COMPLEX SULPHIDE ORE …

flotation efficiency is not yet completely understood (Rao and Finch, 1989) The usual procedure in the flotation stage of complex sulphide ore is floating Cu and Pb minerals in the first stage while Zn mineral is floated in the second stage (Woodcock et al, 2007) Sulphide minerals flotation is usually affected by a number of factors, which


Flotation of Sulphide Ores - HZL Experience - [email protected]

Flotation process, patented in the year 1906, was origin-ally developed for mineral industry to recover values from high grade tailings of gravity seperation plants This technology has acclaimed importance as a versatile process for the beneficiation of vast variety of sulphide mine-rals Due to flexibility of the process and remarkable development taken place in flotation technology and its


flotation | Definition of flotation in English by Oxford

Definition of flotation - the action of floating in a liquid or gas, the process of offering a company's shares for sale on the stock market for the first t


Selective flotation process for separation of sulphide

May 02, 1995 · This invention provides a method for the selective flotation of sulphide minerals containing non-ferrous metals from iron sulphides, specifically pyrrhotite (adjusted by milk of lime) The flotation tests were carried out using 0005 Kg/ton NalBX as collector with no frother addition and no adjustment of pulp density


Flotation Behavior of Iranian Oxidized Zinc Ore Using

sulphide is a preferred soluble sulphide, other sulphides, which may be used, include, for example, calcium sulphide, barium sulphide and ammonium polysulphide [19]


The Future for Flotation | E & MJ

Flotation has been a mainstay of mineral processing for the best part of a century, and the technology continues to develop E&MJ asked some of the world’s suppliers of equipment and reagents for their insights on current and future trends Flotation is one of the key technologies within the mineral processing catalogue


Effect of pH on the Recovery and Grade of Base Metal

intergrowths (21%), Rh sulphide (11%) and Pd alloys (3%)] Effect of pH on the Recovery and Grade of Base Metal Sulphides (PGMs) by Flotation Edson Muzenda, Member IAENG, Ayo S Afolabi, Member, IAENG, Ambali S Abdulkareem and Freeman Ntuli T Proceedings of the World Congress on Engineering and Computer Science 2011 Vol II


China Sulphide Ore Forth Flotation Machine - China

Flotation Machine, Flotation Cell, Ore Flotation manufacturer / supplier in China, offering Sulphide Ore Forth Flotation Machine, Mining Glass Fiber Spiral Chute for Zinc Lead Production Line, Tungsten, Tin, Gold, Platinum, Iron Spiral Chute Separator and so on


HOW TO GET THE MOST FROM YOUR CHPP FLOTATION CELLS

Froth flotation is used in many Australian coal handling and preparation plants (CHPP) for upgrading fine and ultrafine coal Although coal and sulphide ore flotation are very different, there are also some useful similarities Table 1: Typical operating data for various flotation applications


FLOTATION OF ZINC OXIDE ORE USING CATIONIC AND …

Grade and recovery of zinc in smithsonite flotation concentrate as a function of sodium sulfide dosage using Armac C (Armac C 200 g/Mg, pH=11) The flotation response of smithsonite as a function of Armac C or Armac T dosage in the presence of SS and SH as depressant reagents is shown in Figs 6 and 7


Process for selective flotation of copper-lead-zinc sulfide

In a process for a selective flotation of a copper-lead-zinc sulfide ore the raw ore is ground and slurried with water and the resulting suspension is aerated with air to adjust a certain oxidation-reduction potential and is subsequently successively conditioned with SOsub2, Ca(OH)sub2, and collecting and frothing agents, whereafter a flotation of Cu is effected