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Effects of pH and pulp potential on the selective

Effects of pH and pulp potential on the selective separation of Molybdenite from the Sungun Cu Mo concentrate International Journal of Mining and Geo Engineering مقاله 7، دوره 51، شماره 2، زمستان 2017 ، صفحه 147 150 اصل مقاله 646 21 K نوع مقاله Research Paper

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molybdenite recovered by a flotation process

Molybdenite Flotation Table of ContentsMolybdenite Extraction Plant Molybdenite Plant Feed ThickenerCyanide Leach CircuitFuel Oil for Molybdenite FlotationDifferential Flotation Process for Recovery of Molybdenite from Copper Concentrates Factors Directly Affecting Molybdenite Flotation The average molybdenite recovery in the copper concentrator for the first nine months of 1980 was

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Recycling plants for cable scrap and wires ANDRITZ

Recycling plants for cable scrap and wires Recycling the metals in cables and wire requires only a fraction of the energy that must be expended to initially mine and extract ore There are many different types of cables with a variety of different material compounds flexible wire cables cables power cables underground cables

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as a Novel Selective Depressant for Chalcopyrite in

Molybdenite MoS2 and chalcopyrite CuFeS2 are known molybdenum and copper bearing sulphide minerals 1 and have almost similar natural floatability in the context of mineral processing For this reason the separation of molybdenite from chalcopyrite has always been a challenging task

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Molybdenum mining in the United States Wikipedia

Molybdenum mining in the United States produced 65 500 metric tons of molybdenum in 2014 worth US 1 8 billion The US was the world s second largest molybdenum producer after China and provided 25 of the world s supply of molybdenum The US was a major exporter of molybdenum net exports made up 48 of US production

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ANDRITZ Recycling

Innovative recycling technologies for material separation and recovery treatment of various types of waste and rejects and the production of renewable energy help you reduce dependency on purchased power and eliminate landfilling of waste thus making substantial contributions towards protecting the

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مقاله Effects of pH and pulp potential on the selective

In this research selective flotation of Mo from the Sungun Cu Mo concentrate was evaluated in different operating conditions It was found that the addition of 16 kg t Na2S into flotation pulp and aeration decreased rapidly the initial oxidized reduction potential ORP of the pulp from 228mV to 597 mV with reference to standard Ag AgCl electrode and increasing the amount of Na2S by 50kg

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Recovery of Molybdenum Rhenium From Molybdenite

Molybdenum rhenium extraction was unaffected by presence of chalcopyrite in the molybdenite concentrate however molybdenum extraction declines if the copper content as chalcocite exceeds 7 pct High purity molybdenum and rhenium compounds can be recovered from the electrolyzed reaction mass by liquid solid separation solvent extraction

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The Metal Profile for Molybdenum

Jan 19 2020 · Molybdenum metal is produced from molybdic oxide or ammonium molybdate through a process of hydrogen reduction But in order to extract these intermediary products from molybdenite ore it must first be crushed and floated to separate copper sulfide from the molybdenite

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copper from molybdenite pulp

Conventional separation of copper sulfide and molybdenite has been achieved with sulfide bulk flotation followed by selective molybdenite flotation by Na 2 S NaSH addition because Na 2 S NaSH acts as a depressant for copper sulfide in the appropriate pulp potential 7 It was found that changes in pulp potential as an effective factor

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Mining Processing Molybdenite Gruppo Royal

Oct 14 2018· Copper Molybdenite Mining Heat Exchange and Transfer Inc Patent US2070076 Separation of molybdenite from copper Since there was a tendency for molybdenite to float the pulp was A process of ore concentration by flotation for the separation of molybdenite

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Effects of pH and pulp potential on selective separation

and the separation efficiency of 90 03 were achieved in flotation of molybdenite comprising only 3 of copper minerals Keywords Cu Mo concentrate Nitrogen Pulp potential Separation efficiency Sodium sulphide 1 Introduction Molybdenite MoS 2 is naturally a hydrophobic mineral and is the

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Minerals Free Full Text Study of the Effect of Sodium

The optimum concentration of sodium sulfide for separation was 0 03 mol L which rejected 83 chalcopyrite and recovered 82 molybdenite in the single mineral flotation Pulp potential measurements revealed that the dixanthogen and xanthate were decomposed and desorbed respectively from the mineral surface in a reducing environment

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THE USE OF PULP POTENTIAL CONTROL TO SEPARATE

Arsenic separation using pulp potential control If the flotation behavior of tennantite were similar to that of enargite the most likely pulp potential region for making a separation between copper iron sulfides such as chalcopyrite and bornite and tennantite is at reducing conditions as illustrated in Figure 1

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Separation of molybdenite from its mixture with other

Jan 10 1984 · In cases where the copper concentrate is neither stripped of its organic collector reagents nor acid treated prior to addition of the trithiocarbonate depressants higher rates of addition generally from about 5 to about 15 pounds per ton may be required to achieve a comparable degree of molybdenite separation

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Effect of copper ions on the flotation separation of

Copper ions severely deteriorate the floatability of chalcopyrite and molybdenite The adsorption of CuOH and Cu OH 2 provide more reaction sites for depressants Cu 2 S is identified as the primary product during the inhibition process The similar floatability makes it difficult to achieve Cu Mo flotation separation

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Preconcentration of Molybdenum from a Low grade Primary

Studies on pre concentration of molybdenum values from a primary molybdenum ore deposit located in Harur of Dharmapuri district Tamilnadu were carried out by physical beneficiation techniques Inspite of being a primary deposit the Mo content in the ore is very low being 0 06 only Mo is present as molybdenite MoS 2 and the other sulfide minerals in the ore are pyrite galena and traces

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Effect of copper ions on the flotation separation of

1 Introduction Copper minerals and molybdenum minerals have closely paragenic relationships and approximately half of molybdenum production comes from Cu Mo sulfide ores as a by product Hirajima et al 2014 Porphyry copper deposits are one of the primary resources for the extraction of copper and molybdenum in which chalcopyrite and molybdenite are the dominant valuable minerals

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A study on the effect of active pyrite on flotation of

creates the highest copper grade and the lowest iron recovery Hassanzadeh and Hasanzadeh 2016 Qi et al 2017 studied the selective collector of N isopropoxypropyl N′ ethoxycarbonyl thiourea to separate the pyrite from chalcopyrite and molybdenite They indicated that the collector of N

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Activities gt Processing

filtration drying and shipping of the copper and molybdenum concentrates ore goes to the grinding enrichment section autogenously in the form of pulp the copper and molybdenum concentrate is extracted using separation process

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Molybdenite Wikipedia

Molybdenite is a mineral of molybdenum disulfide Mo S 2 Similar in appearance and feel to graphite molybdenite has a lubricating effect that is a consequence of its layered structure The atomic structure consists of a sheet of molybdenum atoms sandwiched between sheets of sulfur atoms The Mo S bonds are strong but the interaction between the sulfur atoms at the top and bottom of separate

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effect of ph on copper flotation

The separation performance of chalcopyrite and molybdenite using Na 2 S as a depressant was investigated at different Cu 2 concentrations Cited by 17 The Importance of pH in Flotation In flotation pH control is a vital method to control selective mineral separation A standard depressant that is used is an Alkali

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Molybdenite The mineral molybdenite information and pictures

Molybdenite is the most prevalent molybdenum bearing mineral and is named after that element Prior to the discovery of molybdenum as a separate element in 1778 by Karl Wilhelm Scheele Molybdenite was thought to be Graphite or a lead ore In fact the word molybdos means lead in ancient Greek Molybdenite forms in two distinct crystal polytypes Molybdenite 2H and Molybdenite 3R

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molybdenite recovered by a flotation process

Nov 04 1980· Molybdenite MoS 2 is recovered from copper sulfide flotation concentrates by froth flotation utilizing steam air injection into the concentrate flotation pulp at a temperature of about 70° to 100° C in the presence of activated carbon and soluble sulfide reagents

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separation copper from molybdenite pulp

separation copper from molybdenite pulp separation copper from molybdenite pulpvvholwierdenl Patent US2070076Separation of molybdenite from copper Since there was a tendency for molybdenite to float the pulp was A process of ore concentration by flotation for the separation of molybdenite from copper More separation copper from molybdenite pulp

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