reverse flotation of silica

EFFECT OF THE PARTICLE SIZE ON FLOTATION
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Reverse flotation process was adopted where silica containing minerals of the gangue quartz are floated using cationic collector SOMU Sokem 565C The direct flotation process using sodium oleate as a collector was found to yield better weight percentage as well as distribution than reverse flotation...

Flotation Behaviors of Coal Particles and Mineral
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Reverse flotation is conducted as an alternative method for cleaning of fine coal In the present study dextrin and Lilaflot D817M a complex amine were used as a coal depressant and mineral collector respectively Dextrin can be adsorbed by coal particles through hydrophobic bonds while Lilaflot D817M can be adsorbed by minerals mainly silica through electrostatic interactions The...

Reverse Flotation Of Iron Ores Ph
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Reverse Flotation with Flotigam 2835-2 reduces silica content to Using Clariant s Ether Diamine collector reverse flotation helps customers to obtain Flotation of iron ore is a new concept for the Australian mining industry...

A New Experimental Approach to Improve the Quality of Low
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Quality of Low Grade Silica The Combination of Indirect Ultrasound Irradiation with Reverse Flotation and Magnetic Separation Hamed Haghi Mohammad Noaparast Sied Ziaedin Shafaei Tonkaboni and Mirsaleh Mirmohammadi School of Mining Engineering University of...

flotation reagents for removing iron from silica sands
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Removal of hematite from silica sand ore by reverse A bulk of silica sand was taken from KowliKosh silica sand mine to reduce its hematite content by reverse flotation The raw sample consisted of SiO 2 and Fe 2 O 3 and traces of Al 2 O 3 CaO MgO Na 2 O K 2 O TiO 2...

Effect and mechanism of siderite on reverse flotation of
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The effects of siderite on reverse flotation of hematite were investigated using micro flotation adsorption tests and Fourier transform infrared spectroscopy The flotation results show that interactions between siderite and quartz are the main reasons that siderite significantly influences the floatability The interactions are attributed to dissolved siderite species and fine siderite...

separation of silica from pyrite cinder via reverse ionic
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Separation of silica from pyrite cinder via reverse sheet of open-circuit separation of pyrite cinder is shown in Fig6 and the results are shown in Table 3The results showed that the separation of silica from pyrite cinder by reverse flotation is possible and good selectivity can be achieved at about pH 82...

EP0463823B1
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EP0463823B1 EP91305647A EP91305647A EP0463823B1 EP 0463823 B1 EP0463823 B1 EP 0463823B1 EP 91305647 A EP91305647 A EP 91305647A EP 91305647 A EP91305647 A EP 91305647A EP 0463823 B1 EP0463823 B1 EP 0463823B1 Authority EP European Patent Office Prior art keywords amine silica collector flotation alkanol Prior art date 1990-06-28 Legal status The legal...

Removal of Silica and Alumina as Impurities from Low
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the entrainment of silica and alumina was low and the iron minerals could be ef-ficiently recovered 32 Reverse Flotation 321 Effect of Slurry pH Figure 5 shows the effect of pH on the flotation of silica and alumina using DAA as cationic collector Silica trend shows its lowest content of 31 mass in con-...

Removal of hematite from silica sand ore by reverse
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Jan 15 2008 0183 32 Reverse flotation of hematite from a local silica sand ore has been investigated using a batch bench-scale mechanical flotation cell The effects of various operating parameters such as type and concentration of collectors type of acid pH conditioning time solid-in-pulp concentration particle size and temperature have been studied on the hematite removal efficiency by reverse flotation...

Via E Lodgement METALLURGICAL TESTING CONFIRMS
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Reverse flotation testing in Germany firstly involved low energy abrasion grinding to achieve further liberation of composite magnetite-silica particles followed by two stage low intensity magnetic separation The resultant concentrate was then treated with reverse flotation to remove silica Summary results are shown in Table 2...

The Successful Application of Pneumatic Flotation
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The Successful Application of Pneumatic Flotation Technology for the Removal of Silica by Reverse Flotation at the Iron Ore Pellet Plant of Compañía Minera Huasco Chile R Imhof1 M Battersby1 F Parra2 and S Sanchez-Pino3 ABSTRACT Pneumatic flotation as developed by Dr Rainer Imhof has been applied in commercial beneficiation operations...

A Simple Introduction on the Magnetite Reverse Flotation
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In the flotation process the flotation means the useful mineral blowing out with the foam while the reverse flotation means that the useful mineral staying in the bottom of the flotation machine and the gangue mineral blowing out with the foamIn order to reduce the content of the silica and sulfur in the magnetite concentrate the magnetite concentrate can be carried out the flotation...

Reverse Flotation of Natural Magnesite and Process
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ABSTRACT Indian natural magnesite containing silica and lime as main impurities was beneficiated using reverse froth flotation technique Pine oil was used as frother Flotigam EDA as collector and sodium hexametaphosphate as depressant of carbonate group...

BENCHMARKING PERFORMANCE OF ERIEZ PHOSPRO
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flotation reagents Conditioner dose levels and mixing times were selected to be as close as possible to the conditions used at site so the results could be benchmarked against industrial practise The separation method used was reverse flotation in other words impurities such as silica were floated away from the product...

Phosphate flotation
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Mar 22 1983 0183 32 The method of reverse flotation for silica-containing phosphate rock ore comprising adding potato or corn starch to the ore to depress phosphate rock particles followed by adding cationic reagent to float the silica and recovering phosphate rock as sink concentrate and silica as float tailings 2 The method according to claim 1 in which the...

PDF Reverse Flotation
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PDF On Sep 12 2018 Fatma Deniz 214 ztürk published Reverse Flotation Find read and cite all the research you need on ResearchGate...

Reverse flotation of silica from Kudremukh iron ore I
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Four types of cationic collectors were tested and evaluated for their performance in the reverse flotation of silica from the spiral preconcentrate of Kudremukh iron ore A stagewise flotation was conducted by adding the reagent in three stag Starch was used to depress hematite Silica flotation was found to be very sensitive to the amount...

Jameson cell
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The Jameson Cell can be used for the reverse flotation of silica from iron ore where flotation columns have traditionally been used Phosphate flotation Phosphate processing operations that use flotation as the principal mechanism to concentrate the phosphate-bearing minerals usually discard particles smaller than 20 μm in diameter...

US5124028A
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Silica and siliceous gangue are separated from desired mineral values particularly iron and phosphate by reverse froth flotation in the presence of amine collectors and effective amounts of alkanol amines such as diethanol amine...

Froth Flotation of Iron Ores
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Keywords Iron Ore Flotation Reverse Cationic Flotation Reverse Anionic Flotation Alumina Removal Phosphorus Removal 1 Introduction With the depleting reserves of high-grade iron ore in the world various beneficiation methods have been employed to process intermediate- and low-grade iron ore in an attempt to meet the rapidly growing...

froth flotation of silica sands machine in arab
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Removal of hematite from silica sand ore by reverse Jan 15 2008 A bulk of silica sand was taken from KowliKosh silica sand mine to reduce its hematite content by reverse flotation The raw sample consisted of 9738 SiO 2 and 0213 Fe 2 O 3 and traces of Al 2 O 3 CaO MgO Na 2 O K 2 O TiO 2 Fig 1 illustrates a general block diagram for the hematite removal process from silica sand The sample...

Separation of silica from pyrite cinder via reverse
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showed that the separation of silica from pyrite cinder by reverse flotation is possible and good selectivity can be achieved at about pH 82 Table 3 Results of reverse flotation of actual pyrite cinder ore wt Production Yield Grade Recovery pH TFe SiO2 S TFe SiO2 S...

Process Of Flotation Of Silica
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Flotation equipment technology screening922 Кб Pneumatic flotation is however still considered as a non-conventional flotation process Due to its highly selective nature in operation it has generallyCMH spent considerable time on developing a reverse flotation process and a reagent suite to try and reduce the silica content to acceptable levels...

Implementation of reverse flotation method to reduce
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This paper reports a study that implements reverse flotation method to separate silica from West Kalimantan bauxite or The study is aimed to find the good process condition to obtain low-silica bauxite as the feed for the Bayer process The experiments were carried out in a 1 L of flotation cell tank Dodecylamine was used as the collector starch as the depressant and MIBC as the frother...

Sand Ore Flotation Cell
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Removal Of Hematite From Silica Sand Ore By Reverse jan 15 200832reverse flotation of hematite from a local silica sand ore has been investigated using a batch benchscale mechanical flotation cell the effects of various operating parameters such as type and concentration of collectors type of acid ph conditioning time solidinpulp...

Coal Reverse Flotation Part I Adsorption of
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Sep 15 2010 0183 32 2003 Coal Reverse Flotation Part I Adsorption of Dodecyltrimethyl Ammonium Bromide and Humic Acids onto Coal and Silica Coal Preparation Vol 23 No 3 pp 91-112...

Froth flotation of silica or siliceous gangue
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BACKGROUND OF THE INVENTION This invention is related to reverse flotation processes wherein silica or siliceous gangue is floated Flotation is a process of treating a mixture of finely divided mineral solids eg a pulverulent ore suspended in a liquid whereby a portion of the solids is separated from other finely divided mineral solids eg silica siliceous gangue clays and other...

Removal of Silica and Alumina as Impurities from Low
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This study investigates the removal of silica and alumina as impurities from hematite based low-grade iron ore containing 3418 mass iron 3110 mass of silica and 765 mass alumina Wet high-intensity magnetic separation WHIMS and reverse flotation RF were investigated In WHIMS process 9308 of iron was recovered with a grade of 5322 mass at an optimum magnetic density...

Production of High Grade Iron Ore
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Reverse flotation silica is floated away from the iron concentrate has proven to be an economical and effective me thod for reducing the concentrate silica content to very low levels Laboratory and commercial test -work has demonstrated some significant metallurgical and...

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