separation copper from molybdenite pulp

  • 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

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  • Potential controlled flotation of Sarcheshmed molybdenite

    2 Yazd University Yazd I. R. of Iran Abstract- Molybdenite flotation in the Sarcheshmeh Copper Complex was studied as a function of pulp potential controlled using two types of sodium sulfide

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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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  • Selective depression effect in flotation separation of

    Selective depression effect in flotation separation of copper−molybdenum sulfides using 2 3-disulfanylbutanedioic acid Ming-yang LI 1 De-zhou WEI 1 Yan-bai SHEN Wen-gang LIU Shu Selective depression effect in flotation separation of copper−molybdenum sulfides using 2 3-disulfanylbutanedioic acid Ming-yang LI 1 De-zhou WEI 1 Yan-bai SHEN Wen-gang LIU Shu-ling GAO Guang-quan LIANG1 2 1. College of Resources and Civil Engineering Northeastern University Shenyang 110819 China 2. Service Online
  • 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 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. Service Online
  • 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 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.Cited by 17 Service Online
  • Process for separating molybdenite from a molybdenite

    Oct 29 1985 · A process for selectively separating molybdenum from a molybdenite-containing copper sulfide concentrate by a flotation process wherein the molybdenite is selectively floated by the use of a sulfite or bisulfite compound as a copper sulfide depressant.

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  • Copper-Molybdenum oresDanafloat

    Separation and upgrading the molybdenite from the bulk copper-molybdenite concentrate is generally accomplished by selective molybdenite flotation following copper and iron sulphide depression. Standard depressant schemes include high pH via lime addition sodium hydrosulphide Nokes reagent etc.

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  • Molybdenite Ore Flotation Machine

    (7) Arsenic sulfide copper ore The ore has a high content of arsenic which is mainly in the form of arsenopyrite. Flotation process to solve the problem of copper and arsenic separation reduce the arsenic content in the copper concentrate as much as. molybdenite ore

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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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  • Mining Processing MolybdeniteGruppo 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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  • OPTIMIZATION OF FLOTATION PARAMETERS FOR

    by floating Cu-Mo together. Secondly molybdenite is enriched selectively by depressing copper and iron sulfides (Wills 1997). In addition it should be noted that conditioning time pulp density and reagent additions are the most important parameters in the separation of copper-molybdenum (Bulatovic 2007).

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  • 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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  • COPPER Copper productionTU Delft

    Separation of special copper ores such as those containing molybdenite or with high zinc or lead content (Canada) is also possible by flotation methods. Flotation of non-sulfide copper minerals is rare because these ores are mostly subjected to hydrometallurgical copper

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  • CN105537002APreparation and application of flotation

    The invention relates to mineral separation in particular to preparation and application of a flotation separation inhibitor for mixed copper sulfide and molybdenum concentrate. The flotation The invention relates to mineral separation in particular to preparation and application of a flotation separation inhibitor for mixed copper sulfide and molybdenum concentrate. The flotation separation inhibitor is characterized in that chitosan is modified by a sulfhydrylization reagent to prepare thiolated chitosan. As the flotation inhibitor has polar functional groups (-SH) strongly Author Service Online
  • Molybdenum processing Britannica

    Molybdenum processing preparation of the ore for use in various products. Molybdenum (Mo) is a white platinum-like metal with a melting point of 2 610 °C (4 730 °F). In its pure state it is tough Molybdenum processing preparation of the ore for use in various products. Molybdenum (Mo) is a white platinum-like metal with a melting point of 2 610 °C (4 730 °F). In its pure state it is tough and ductile and is characterized by moderate hardness high thermal conductivity high resistance to Service Online
  • Molybdenite Ore Plantmolybdenite Ore Flotation Machine

    Molybdenite Molybdenum Sulfide Molybdenite. High efficient molybdenum ore flotation machine jclop studies of coal and molybdenite flotation circuits were carried out experimentally copper and Molybdenite Molybdenum Sulfide Molybdenite. High efficient molybdenum ore flotation machine jclop studies of coal and molybdenite flotation circuits were carried out experimentally copper and molybdenum sulfide minerals along with other impurities get price molybdenum new world encyclopedia. More Details Molybdenite An Overview Sciencedirect Topics Service Online
  • مقاله 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. ۱۳۹۶ 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 51 (2)

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  • Copper Separation Le For Sale 2012 Grinding Mill China

    Ores Through copper separation table for sale 2012. shaking le separation of separated copper gold Grinding Mill China. separation of copper cobalt ores Contact Supplier separation copper from molybdenite pulp

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  • THE USE OF PULP POTENTIAL CONTROL TO SEPARATE

    THE USE OF PULP POTENTIAL CONTROL TO SEPARATE COPPER AND ARSENICAN OVERVIEW BASED ON SELECTED CASE STUDIES The dependence of enargite flotation on pulp potential is largely independent of pH over the range tested. Between -100 mV and 0 mV SHE (standard hydrogen electrode scale) the mineral goes from being non-floatable

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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 Ore Processing by Flotation

    How to separate copper molybdenum the problem. Molybdenum is found in small amounts in practically all low grade porphoritic copper ores. It is usually present as the sulphide How to separate copper molybdenum the problem. Molybdenum is found in small amounts in practically all low grade porphoritic copper ores. It is usually present as the sulphide molybdenite which is readily recovered in the copper flotation concentrate. Copper sulphide flotation concentrates may contain from 0.25 to 1.00 MoS2. Service Online
  • Selective depression effect in flotation separation of

    Selective depression effect in flotation separation of copper−molybdenum sulfides using 2 3-disulfanylbutanedioic acid Ming-yang LI 1 De-zhou WEI 1 Yan-bai SHEN Wen-gang LIU Shu-ling GAO Guang-quan LIANG1 2 1. College of Resources and Civil Engineering Northeastern University Shenyang 110819 China 2.

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  • NIOSHTIC-2 Publications Search10011090Hydrosulphide

    To elucidate the mechanisms of sulfide mineral depression the U.S. Bureau of Mines examined the depressant effect of hydrosulfide on flotation of copper sulfides using electrochemical techniques To elucidate the mechanisms of sulfide mineral depression the U.S. Bureau of Mines examined the depressant effect of hydrosulfide on flotation of copper sulfides using electrochemical techniques and flotation tests. Hydrosulfide addition is commonly used to achieve separation of copper sulfides from molybdenite. Service Online
  • Copper Separation Le For Sale 2012 Grinding Mill China

    Ores Through copper separation table for sale 2012. shaking le separation of separated copper gold Grinding Mill China. separation of copper cobalt ores Contact Supplier separation copper from molybdenite pulp

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  • 1 Froth FlotationFundamental Principles

    1 Froth FlotationFundamental 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 bubbles are then carried to the surface and

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  • Mining Processing MolybdeniteGruppo 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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  • THE USE OF PULP POTENTIAL CONTROL TO SEPARATE

    THE USE OF PULP POTENTIAL CONTROL TO SEPARATE COPPER AND ARSENICAN OVERVIEW BASED ON SELECTED CASE STUDIES The dependence of enargite flotation on pulp potential is largely independent of pH over the range tested. Between -100 mV and 0 mV SHE (standard hydrogen electrode scale) the mineral goes from being non-floatable

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  • MolybdeniteWikipedia

    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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  • OPTIMIZATION OF FLOTATION PARAMETERS FOR

    by floating Cu-Mo together. Secondly molybdenite is enriched selectively by depressing copper and iron sulfides (Wills 1997). In addition it should be noted that conditioning time pulp density and reagent additions are the most important parameters in the separation of copper-molybdenum (Bulatovic 2007).

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  • Molybdenite Scientific

    In this paper the optimum flotation parameters for a kind of molybdenite ore obtained form Yunnan province involving the grinding fineness pulp concentration dosages of kerosene and butyl xanthate were determined in order to improve the recovery of Mo in the bulk Mo-copper flotation.

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  • Introduction to Mineral ProcessingChevron Phillips Chemical

    Introduction to Mineral Processing. The froth resembles soap suds and provides the physical separation between the mineral(s) floated and the pulp containing the waste. Chemicals referred to as depressants are added to the pulp to reduce the flotation of the copper minerals while allowing the molybdenum minerals to float. The tailings

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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 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.Cited by 6 Service Online
  • Molybdenite Scientific

    Abstract Improving the recovery of molybdenum is a research hotspot in the bulk flotation of Mo-copper sulphide ore. In this paper the optimum flotation parameters for a kind of molybdenite ore obtained form Yunnan province involving the grinding fineness pulp concentration dosages of kerosene and butyl xanthate were determined in order to improve the recovery of Mo in the bulk Mo-copper

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  • Process for separating molybdenite from a molybdenite

    Oct 29 1985 · A process for selectively separating molybdenum from a molybdenite-containing copper sulfide concentrate by a flotation process wherein the molybdenite is selectively floated by the use of a sulfite or bisulfite compound as a copper sulfide depressant.

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  • Molybdenite Scientific

    In this paper the optimum flotation parameters for a kind of molybdenite ore obtained form Yunnan province involving the grinding fineness pulp concentration dosages of kerosene and butyl xanthate were determined in order to improve the recovery of Mo in the bulk Mo-copper flotation.

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