sulfide ore molybdenite

Molybdenum ore (molybdenite-quartz veins in host rock, …

 · Molybdenum ore (molybdenite-quartz veins in host rock, Oligocene, 33 Ma; Climax Mine, Fremont Pass, Colorado, USA) Climax Mine molybdenum ore - molybdenite-quartz veins in alkaline granite from the Oligocene of Colorado, USA. (5.3 cm across at its base)

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Molybdenite

The principal collector for molybdenite is diesel fuel or similar oil, ~0.01 kg/tonne of ore. It is added to the bulk concentrator ore slurry feed to maximize molybdenite recovery from ore. Its effect carries over to flotation of molybdenite in the Mo/Cu separator flotation

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Investigation on Molybdenite Separation from a Complex …

A Mo middling has been obtained through Cu-Mo bulk flotation. In order to further enrich molybdenite and separate pyrite form this middling. A series flotation tests were conducted to concentrate Mo. Important parameters including regrinding fineness, CaO dosage ...

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The Metal Profile for Molybdenum

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

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DEPRESSION OF COPPER AND IRON SULFIDES IN …

 · 1. A method of enriching a concentrate slurry comprising molybdenite and at least one of iron sulfides and copper sulfides, comprising the steps of: a) providing a slurry comprising molybdenite and one or more of copper sulfide and iron sulfide, wherein the pH of the ...

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Separation of molybdenite from its mixture with other …

 · BACKGROUND OF THE INVENTION This invention relates to the recovery of molybdenite from mixed sulfide ores, particularly those of iron and copper, contained in flotation concentrates. Molybdenum, which occurs in nature as its sulfide ore molybdenite, MoS 2, is usually found in association with other metallic sulfides, chiefly those of copper and iron.

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CA2945354A1

A method of depressing copper sulfides and iron sulfides in a molybdenite floatation recovery process uses alkaline or alkaline earth potysulftdes at high concentrate pH. The method of enriching molybdenite content from a slurry having molybdenite and at least one ...

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Molybdenite Flotation

The existence of the latter type in the ore was confirmed in March, 1980, when there were problems with the xanthate system. The amount of molybdenite in both the sand and slime tailings jumped approximately 50%. As soon as the xanthate system returned

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Molybdenite Re-Os dating and LA-ICP-MS trace element …

Molybdenite samples yield first Re-Os age of 111.31 ± 0.70 Ma. • Alteration type and depth control trace element distribution in sulfides. • Different trace element characteristics indicate distinct sulfide genesis. • Pyrite and digenite dominantly carry primary Au

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Molybdenum | Minerals Education Coalition

Molybdenum was discovered by Carl Wilhelm Scheele in 1778, and was isolated and named by Peter Jacob Hjelm in 1781. The most important ore source of molybdenum is the mineral molybdenite; a minor amount is recovered from the mineral wulfenite

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Electrochemical Investigation of Natural Ore Molybdenite …

Considering serious pollution from the traditional chemical synthesis process, the resource-rich, clean, and first-hand electrode materials are greatly desired. Natural ore molybdenite (MoS 2), as the low-cost, high-yield, and environmental-friendly natural source, is investigated as a first-hand anode material for lithium-ion batteries (LIBs).

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Investigation on Molybdenite Separation from a Complex …

A Mo middling has been obtained through Cu-Mo bulk flotation. In order to further enrich molybdenite and separate pyrite form this middling. A series flotation tests were conducted to concentrate Mo. Important parameters including regrinding fineness, CaO dosage ...

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Molybdenite | Article about molybdenite by The Free …

(molybdenum glance), a mineral of the sulfide class, with chemical composition MoS 2, containing 60 percent Mo, 40 percent S, and a negligible quantity of Re (up to 0.33 percent).Molybdenite crystallizes in a hexagonal system to form crystal structures in which ...

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Flotation of Xinhua molybdenite using sodium sulfide as …

The feasibility of using sodium sulfide as the sole modifier for the flotation of Xinhua molybdenite ore was examined. The potential mechanisms involved in the different flotation ...

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graphite and molybdenum sulfide ore. « BINQ Mining

Molybdenum disulfide – Wikipedia, the free encyclopedia It is the principal ore from which molybdenum metal is extracted. MoS2 is … In its appearance and feel, molybdenum disulfide is similar to graphite.MOLYBDENITE (Molybdenum Sulfide) – Amethyst Galleries ...

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The fundamental roles of monovalent and divalent cations …

Due to regional shortage of freshwater, the use of saline/seawater for Cu–Mo sulfide ore flotation has received considerable attention. However, the effects of various salts, especially the cations present in seawater, on molybdenite flotation and the mechanisms

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EFFECT OF SEAWATER MAIN COMPONENTS ON FROTHABILITY IN THE FLOTATION OF Cu-Mo SULFIDE ORE

Effect of seawater main components on frothability in the flotation of Cu-Mo sulfide ore 19Frothing agents are employed in flotation to facilitate air dispersion into fine bubbles and to stabilize the froth. Froth stability depends on the frother type and concentration, but

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Effects of pH and pulp potential on selective separation of Molybdenite …

copper sulfide ore as a trace mineral [ 4]. Because of large differences between the surface properties of molybdenite and other sulfides, molybdenite can be recovered from Cu–Mo ores as a by-product with copper at levels as low as 0.01% Mo

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Sulfide Mineral Specimens and Products

A collection of molybdenite, orpiment mineral specimens from Kingsgate, Gough Co., New South Wales, Australia, Questa Molybdenum mine, Questa, Red Riv Sulfide Mineral Specimens and Products

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Category:Molybdenite

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A Re-Os study of sulfide minerals from the Bagdad …

Rhenium and osmium isotopes in sulfide minerals from the Bagdad porphyry Cu-Mo deposit have been used to determine timing of mineralization and the source of osmium and, by inference, ore metals. Molybdenite, chalcopyrite and pyrite were analyzed mainly ...

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Molybdenum Mine

Although a number of molybdenum-bearing minerals have been identified, the only one of commercial significance is molybdenite (MoS2) - a natural molybdenum sulfide. In ore bodies, molybdenite is generally present in quantities from 0. 0.25% and is often

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Molybdenite (MoS2) Mineral

Functions as a boundary lubricant. It is insoluble in water and dilute acids. Molybdenite is the inorganic compound with the formula MoS2. This black crystalline sulfide of molybdenum occurs as a mineral. It is the principal ore from which molybdenum metal is ...

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Effect of sodium sulfide waste water recycling on the separation of chalcopyrite and molybdenite

sulfide ore by creating hydrophilic films and have the effect of reagents removal via competitive adsorption (Abeidu et al., 1978). It is announced that sodium sulfide is very extensive in the ...

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sulfide mineral | Definition, Examples, Identification, & …

 · Sulfide mineral, any member of a group of compounds of sulfur with one or more metals. Most of the sulfides are simple structurally, exhibit high symmetry in their crystal forms, and have many of the properties of metals, including metallic luster and electrical

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MOLYBDENUM DEPOSITS

Molybdenite is by far the most widely distributed molybdenum mineral, occurs in the greatest quantity in individual deposits, and is the molybdenum mineral in most of the ore produced. It is found in quartz veins, either as an original

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Molybdenite: The mineral molybdenite information and …

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. ...

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Molybdenite Mineral Specimens for Sale

Ore Minerals The Nunatak Molybdenum deposit consists of stockworks of quartz-molybdenite veins in skarn forming a large low-grade molybdenum deposit. The deposit was discovered and staked in 1941. The molybdenum mineralization consists mostly of

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Minerals | Free Full-Text | Effect of Sodium Sulfite on …

Sodium hydrogen sulfide (NaHS) is commonly used as a copper depressant in the selective flotation of copper and molybdenum ores. However, the process is facing health and safety issues because NaHS readily yields toxic hydrogen sulfide gas (H 2 S) under acidic conditions. S) under acidic conditions.

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Molybdenite: Mineral properties, uses, geologic occurrence

Molybdenite is a rare mineral composed of molybdenum and sulfur. It is the primary ore of molybdenum, with important amounts of rhenium sometimes produced as a byproduct. Molybdenite is also used as a solid lubricant to reduce friction between sliding metal

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