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separation copper from molybdenite pulp

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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Selective separation of copper-molybdenum sulfides using

Mar 15, 2019· The flotation separation of copper-molybdenum sulfides generally relies on the use of toxic and The conditioned pulp was then transferred to the Hallimond tube and floated for 2 min using mixtures confirmed that HA could selectively depress molybdenite flotation from pH 3 to 11 during the chalcopyrite-molybdenite separation.

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Process for separating copper and iron minerals from

Separation of the molybdenite from a concentrate of copper minerals involves complicated chemical processes for treating the particles with depressors which inhibit copper floating and improve floating of the molybdenite. The pulp is stirred for a period of 24 to 48 hours, and it is washed with live steam.

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Flotation separation of copper–molybdenum sulfides using

Nov 01, 2015· Chitosan, a natural biodegradable polymer, was studied as a selective depressant in copper–molybdenum sulfide separation by flotation. Although chitosan depressed both molybdenite and chalcopyrite in single mineral flotation, selective flotation was achieved during the flotation of molybdenum-bearing copper sulfide concentrate at pH 6; the recovery of molybdenum in the froth

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Copper-molybdenum ore beneficiation,flotation separation

For copper sulfide ore, when it uses xanthate as a collector, it has the best floatability, but usually a lot of inhibitors are needed to suppress it. 2.Copper-molybdenum mixed concentrate separation process . For the flotation separation of copper-molybdenum mixed concentrate, it can usually be divided into 3 steps. ① Pretreatment.

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A novel copper depressant for selective flotation of

Jun 01, 2020· Commonly, the separation of copper sulfide and molybdenite is achieved by means of Cu-Mo bulk flotation, followed by selective flotation of molybdenite from chalcopyrite using copper depressants such as sodium sulfide, sodium hydrosulfide, cyanide and Nokes reagents (Pearse, 2005, Ansari and Pawlik, 2007, Yin et al., 2017a, Yin et al., 2017b

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THE EXTRACTION OF MOLYBDENITE FROM CERTAIN COPPER

A flotation process for separating molybdenite from a commer­ cially produced copper concentrate containing primarily chalcopyrite and pyrite and up-grading it into a saleable product was developed. The process utilizes hydrogen peroxide, sodium ferrocyanide, sodium cyanide, and sulfuric acid. The procedure was studied in depth to determine the

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The flotation separation of molybdenite from chalcopyrite

Sep 01, 2020· The bulk Cu-Mo concentrate used for the flotation separation of molybdenite from copper sulfides in bench-scale flotation experiments was supplied by China Molybdenum Co., Ltd. It was collected directly from a day shift with grades of approximately 9.0% Mo and 1.0% Cu based on chemical element analysis results as shown in Table S1 (see

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Selective flotation separation of molybdenite and

Dec 20, 2019· Thus, in the molybdenite mineral processing plant, the effect of Cu-Mo separation is one of the most important indexes due to the analogical floatability of chalcopyrite and molybdenite [5,11]. To date, many approaches have been developed to realize the separation of chalcopyrite and molybdenite in the flotation process.

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pulp density in the froth flotation of copper

Froth flotation is widely used for separating base metal pulp density, water Authors: Trust T Masiya · Willie NhetaAffiliation: University of JohannesburgAbout: Taguchi methods · Froth flotationInquire Now; best mesh size for copper froth flotation. Copper From Molybdenite Pulp.

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A novel copper depressant for selective flotation of

Jun 01, 2020· Commonly, the separation of copper sulfide and molybdenite is achieved by means of Cu-Mo bulk flotation, followed by selective flotation of molybdenite from chalcopyrite using copper depressants such as sodium sulfide, sodium hydrosulfide, cyanide and Nokes reagents (Pearse, 2005, Ansari and Pawlik, 2007, Yin et al., 2017a, Yin et al., 2017b

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THE EXTRACTION OF MOLYBDENITE FROM CERTAIN COPPER

A flotation process for separating molybdenite from a commer­ cially produced copper concentrate containing primarily chalcopyrite and pyrite and up-grading it into a saleable product was developed. The process utilizes hydrogen peroxide, sodium ferrocyanide, sodium cyanide, and sulfuric acid. The procedure was studied in depth to determine the

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US3811569A Flotation recovery of molybdenite Google

A process for separating molybdenite from copper concentrates containing copper and iron sulfides, gangue materials and an organic collector comprising (1) conditioning the concentrate in aqueous suspension at a pH below about 7 with a soluble metal salt; (2) contacting the so treated concentrate with hydrogen peroxide at pH of about 4 to about 8; (3) subjecting the concentrate from (2) to a

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A novel approach for preferential flotation recovery of

Conventional separation of copper sulfide and molybdenite has been achieved with sulfide bulk flotation followed by selective molybdenite flotation with NaHS addition since NaHS works as a

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pulp density in the froth flotation of copper

Froth flotation is widely used for separating base metal pulp density, water Authors: Trust T Masiya · Willie NhetaAffiliation: University of JohannesburgAbout: Taguchi methods · Froth flotationInquire Now; best mesh size for copper froth flotation. Copper From Molybdenite Pulp.

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US3313412A Recovery of molybdenite from copper sulfide

US3313412A US387813A US38781364A US3313412A US 3313412 A US3313412 A US 3313412A US 387813 A US387813 A US 387813A US 38781364 A US38781364 A US 38781364A US 3313412 A US3313412 A US 3313412A Authority US United States Prior art keywords molybdenite flotation copper sulfide copper concentrate Prior art date 1964-08-05 Legal status (The legal status is an

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US2811255A Process for recovery of molybdenite from

US2811255A US424621A US42462154A US2811255A US 2811255 A US2811255 A US 2811255A US 424621 A US424621 A US 424621A US 42462154 A US42462154 A US 42462154A US 2811255 A US2811255 A US 2811255A Authority US United States Prior art keywords percent molybdenite concentrate copper flotation Prior art date 1954-04-21 Legal status (The legal status is an assumption

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US2664199A Flotation recovery of molybdenite Google

US2664199A US306638A US30663852A US2664199A US 2664199 A US2664199 A US 2664199A US 306638 A US306638 A US 306638A US 30663852 A US30663852 A US 30663852A US 2664199 A US2664199 A US 2664199A Authority US United States Prior art keywords concentrate molybdenite flotation copper iron Prior art date 1952-08-27 Legal status (The legal status is an assumption and is

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Potential controlled flotation of Sarcheshmed molybdenite

By adjusting pulp potential one can depress copper sulfides while floating molybdenite [4]. Also, to optimize sodium sulfide consumption, nitrogen has been used instead of air, while pulp

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US2957576A Recovery of molybdenite by flotation Google

US2957576A US719708A US71970858A US2957576A US 2957576 A US2957576 A US 2957576A US 719708 A US719708 A US 719708A US 71970858 A US71970858 A US 71970858A US 2957576 A US2957576 A US 2957576A Authority US United States Prior art keywords concentrate flotation molybdenite percent sulfide Prior art date 1958-03-07 Legal status (The legal status is an

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A study of mechanisms affecting molybdenite recovery in a

Conventional separation of copper sulfide and molybdenite has been achieved with sulfide bulk flotation followed by selective molybdenite flotation with NaHS addition since NaHS works as a

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Practical aspects of Cu-Mo separations and alternatives to

The bulk copper/molybdenum feed generally varies from 0.2% Mo to 1.0% Mo, and with traditional reagents the single-stage rougher flotation recovery of molybdenite varies

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Combined Effect of Operating Parameters on Separation

Sep 24, 2018· This study aims to investigate the effects of operational variables on concentrate grade, recovery, separation efficiency, and kinetic parameters of the copper flotation process. For this purpose, the effects of the pulp solids content, collector and frother dosage, and preparation and concentrate collection time were studied using a Taguchi experimental design.

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Up-gradation of MoO3 and separation of copper, iron, zinc

Up-gradation of MoO 3 and separation of copper, iron, zinc from roasted molybdenum ore by a an oxidation process of molybdenite was carried out at 550-595 ºC in the present study. copper, iron and zinc, the pulp density influence follows the order: copper > zinc > iron. Especially in the case of copper the pulp density reached 20% and

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