آخرین محصولات
Mineralogical Prediction on the Flotation Behavior of …
To emphasize blending ores, I suggest the title is "Mineralogical prediction on the flotation behavior of copper and molybdenum minerals from blended Cu …
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Porphyry copper molybdenum ore copper molybdenum flotation …
The invention discloses a porphyry copper molybdenum ore copper molybdenum flotation process. The porphyry copper molybdenum ore copper molybdenum flotation process is characterized by comprising the following steps: under the fineness of -0.074 mm content of 60-70%, the mass percentage concentration of pulp is within 25-40%; lime is …
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Wemco 1+1 Inert Gas: Optimised for molybdenum/copper
The ideal flotation machine for your mining operations will deliver high recovery and grade with easier start-up, simpler operation, lower reagent consumption, longer mechanism life and less required maintenance. The WEMCO 1+1 Inert Gas provides such a solution, that is specifically tailored to molybdenum/copper separation.
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Method of flotation of copper-molybdenum ores
FIELD: mining. SUBSTANCE: method of flotation of copper-molybdenum ores includes grinding of ore and collective flotation of copper and molybdenum in alkaline medium formed by lime. Collective flotation is conducted in the presence of collector Aero-MX 3601 and a frothing agent; next the concentrate of collective flotation after operations of …
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Preparation method and application of non-molybdenum sulfide …
The invention discloses a preparation method and an application of a non-molybdenum sulfide ore flotation inhibitor. The preparation method comprises the following step: reacting sulfide salt, carbon disulfide and water-soluble macromolecules under a stirring condition, thereby obtaining the non-molybdenum sulfide ore flotation inhibitor. …
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Effect of copper ions on the flotation separation of chalcopyrite …
2,3-disulfanylbutanedioic acid (DMSA) was found to be a selective depressant in the flotation separation of copper– molybdenum sulfides. The flotation results suggest that a low dosage of DMSA has a strong depression effect on chalcopyrite in the pH range between 4 and 12. At pH 6, the recoveries of molybdenum are up to 85%, 75%, and …
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The effect of sodium hydrosulfide on molybdenite flotation in …
Introduction. Molybdenite, the principal mineral containing molybdenum, is closely associated with copper sulfides (Hirajima et al., 2014). The recovery of molybdenite from copper ores is usually achieved by bulk flotation to obtain a copper-molybdenum concentrate, followed by molybdenite flotation against copper sulfides in the presence …
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Molybdenum Flotation Circuit and Flotation Cells
With the steady increase of molybdenum demand worldwide and the favorable molybdenum market, many technological innovations on both process and equipment have been developed and applied in many modern molybdenum plants around the world. This paper introduces the most commonly used molybdenum flotation flowsheet, together …
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A study of mechanisms affecting molybdenite recovery in a bulk …
Molybdenite flotation in the bulk copper/molybdenum flotation circuit at Kennecott Utah Copper was studied by means of a combination of plant metallurgical surveys, laboratory flotation tests ...
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Method for flotation and separation of copper molybdenum …
The invention discloses a method for flotation and separation of copper molybdenum sulphide bulk concentrates and belongs to the technical field of mineral dressing. The method uses the copper molybdenum sulphide floated bulk concentrates as raw materials, adopts efficient environment-friendly copper ore inhibitor such as hydroxamic acid starch …
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Purifying molybdenum flotation concentrates
Publication Publication Date Title. US4083921A Purifying molybdenum flotation concentrates. US4366128A Removal of arsenic from aqueous solutions. US3083085A Liquid-liquid extraction recovery of vanadium and molybdenum values using a quaternary ammonium extractant.
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Selection of an Appropriate Depressant in Flotation Separation of
The depressive efficiency of sodium silicate, sodium hexametaphosphate, and tartaric acid on the flotation separation of molybdenum oxide from fluorapatite were examined using cetylpyridinium chloride (CPC) as the collector. The corresponding depression mechanisms of all three depressants were studied with the use of laboratory …
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Molybdenum Flotation
Do you know a mineral of molybdenum with unacceptable floatability? Molybdenum is a valuable mineral which could be found in porphyry copper deposits and molybdenum is the main mineral of molybdenite. …
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Improving the Copper-Molybdenum Ores Flotation Technology …
The search for effective reagents for the flotation of non-ferrous metals from mineral raw materials is an actual problem. The article discusses the results of research on improving the technology of processing copper–molybdenum ores using a combined collector emulsion. The object of research was copper–molybdenum ore containing …
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Molybdenite Flotation in the Presence of a Polyacrylamide of Low …
Polyacrylamides (PAM) are used as flocculants in the copper-molybdenum mining industry to improve the settling rate of flotation tailings. These types of reagents are recirculated to flotation in the water that is recovered from the thickeners, and as a result of this practice they can cause depression of flotation of some important minerals such as …
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Froth Flotation Circuit Design And Basic Testwork Requirements
Froth flotation is a very important mineral concentration process that is used to recover a vast array of different minerals ... Article title. By Hugo Melo. Download PDF. Authors. Author 1. Author 2. Author 3. Author 4. ... Another example would be a copper-molybdenum ore in which the copper and molybdenum minerals are first recovered into a ...
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US3912623A
Publication Publication Date Title. US3912623A Flotation recovery of molybdenum. CN107999267B High sulfur-lead-zinc ore floatation separation process under a kind of high concentration environment. US5074994A Sequential and selective flotation of sulfide ores.
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Mineralogical Prediction on the Flotation Behavior of Copper and …
With these key points, you can rewrite your title, abstract, introduction and conclusion better. ... behavior of blended copper-molybdenum ore in seawater and to compare the effect of oxidation degree of each copper-molybdenum ore. The flotation parameter and the blending ratio of copper-molybdenum ore were dictated by the …
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Separation of Copper-Molybdenum Flotation Concentrate by
Separation of chalcopyrite from molybdenite is currently mainly carried out by flotation, but this process is costly because of the extensive use of inhibitors. This study briefly describes a 7.0T/100CGC low-temperature superconducting magnetic separator and discusses its separation principle as well as the effect of magnetic induction on …
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Molybdenum Flotation Practice | PDF | Molybdenum | Ph
MOLYBDENUM FLOTATION FLOWSHEET Primary Molybdenum Circuit A typical flowsheet for primary molybdenum ore includes crushing, grinding, multi-stage flotation and multi-stage regrind. Due to the lower head grade in the flotation feed, primary molybdenum plants typically have more stages of flotation and regrind, as indicated in …
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Oxidation-reduction effects in the flotation of copper sulfide …
In Sungun copper-molybdenum processing complex, copper and molybdenum concentrates are recovered by flotation from porphyry ores with an average grade of 0.62% Cu and 0.01–0.02% Mo. The complex currently consists of two phases of copper processing, with a total input capacity (total capacity of phases 1 and 2) of 14 …
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Copper-molybdenum separation electric potential flotation process
The floating molybdenum of suppression copper is traditional copper-cobalt ore technique, in order to improve copper-cobalt ore effect frequently with measure have：1）The concentration escapes the medicine；2）Vapour heating；3）Segmentation addition sodium sulfide；4）Use nitrogen flotation.The shortcoming of said method is that not …
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Optimization of a Copper/Molybdenum Flotation …
Flotation, as a process is defined as the separation of "finely divided particles from each other by means of using air bubbles under hydrodynamic environment" (6). Froth …
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Flotation of bulk concentrates of molybdenum and copper sulfide
Title Priority Date Filing Date; US481420A Expired - Lifetime US3426896A (en) : : Flotation of bulk concentrates of molybdenum and copper sulfide minerals and separation thereof ... Porphyry copper molybdenum ore copper molybdenum flotation process US9839917B2 (en) : : Evonik Degussa : …
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Minerals | Free Full-Text | The Interaction between Ca2+ and
In this paper, the influence of Ca2+ on the flotation of a skarn type molybdenum ore and pure molybdenite mineral at pH 8 was studied using diesel as the collector. It was found that Ca2+ had little effect on molybdenum flotation at low concentrations. By further increasing Ca2+ concentration, the floatability of …
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Title: Collector consumption during ion flotation of molybdenum by
Journal Article: Collector consumption during ion flotation of molybdenum by primary amines. Collector consumption during ion flotation of molybdenum by primary amines (in Russian) Full Record; Other Related Research; Authors: Gvozdeva, I E ...
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Recent progress on research of molybdenite flotation: A review
To recover copper and molybdenum from their porphyry sulfide ores, several process flowsheets are applied, and two of them are shown in Fig. 1.[23, 24] As illustrated in Fig. 1 (a), [23, 25] the two-stage flotation flowsheet is the most widely adopted.In the first stage, copper and molybdenum sulfide concentrates are recovered together.
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A process mineralogy approach to optimize molybdenite …
Molybdenite Grade and recovery Sungun copper complex 1. Introduction Process mineralogy of the feed, concentrate and tailing of the flotation process will …
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A study of mechanisms affecting molybdenite recovery in a bulk …
The low and highly variable flotation recovery of molybdenum may be a result of several factors, all related to the properties of the molybdenite (MoS 2) mineral.Molybdenite crystal structure consists of hexagonal layers of molybdenum atoms between two layers of sulphur atoms (Fig. 2).Strong covalent bonds act within S–Mo–S …
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Study of Molybdenite Floatability: Effect of Clays and Seawater
and high rigidity. Molybdenum and its alloys are used in lighting, electrical and electronic devices, medical equipment, high-temperature furnaces, and thermal-spray coating [1,2]. Molybdenite can be recovered by froth flotation supported by its hydrophobic char-acter. It has a hexagonal structure consisting of a single sheet of molybdenum atoms
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