the flotation method in molybdenum

An effective approach for improving flotation recovery of ...

2018-7-11  An effective flotation approach is proposed for improving the recovery of molybdenite fines from a finely-disseminated molybdenum ore. To maximize the flotation recovery of molybdenum, process mineralogy of raw ore, contrast tests, optimization of

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The Summary of Molybdenum Extraction Technology

2019-8-19  For the gold-molybdenum-lead-sulfur polymetallic ore with the quartz, the mixed coarse concentrate can be produced by the flotation method first, and the gold is recovered by the cyanidation leaching of the coarse concentrate, then the molybdenum flotation is carried by the tailings leaching for obtaining the molybdenum concentrate, the lead-sulfur is separated from the tailings of the

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The use of dextrin in purification by flotation of ...

The process of flotation is commonly used for the recovery of molybdenite from mine tailings, but it produces low-content concentrates, thereby resulting in a product with low economic value.

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Ore flotation method - Thiotech, Inc.

More particularly, the invention provides a new and valuable method of recovering copper and molybdenum values from ores, which comprises froth flotation of a slurry of the ore conducted in alkaline circuit and in the presence of a collector comprising certain alkylphenyl phosphorodithioic acids or salts thereof. 2. Description of the Prior Art

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A novel approach for preferential flotation recovery of ...

Conventionally, separation of copper and molybdenum (Cu-Mo) ores has been achieved with sulfide ore bulk flotation followed by selective molybdenum flotation with the addition of a copper sulfide ...

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The Interaction between Ca2+ and Molybdenite Edges

2017-8-9  molybdenite flotation was investigated at pH 8 in the context of sequential flotation of molybdenum. 2. Materials and Methods 2.1. Materials and Reagents The actual Mo ore (AM) used in flotation tests was supplied by the tungsten–molybdenum Mine of Luanchuan in Henan Province, China. It is a skarn type of tungsten–molybdenum ore, in

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Mineralogical Prediction on the Flotation Behavior of ...

2 天前  The flotation results show that the recovery of copper and molybdenum decreased with the increasing copper oxidization degree. In addition, the recovery of blended ore can be pre- dicted via the flotation rate equation, using the maximum recovery (R

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A process mineralogy approach to optimize molybdenite ...

2020-10-1  This method uses mineralogical data from samples to predict the actual liberation size to which the new regrind process should grind (Wightman and Evans, 2014). Almost half of the world's molybdenum reserves are in the form of copper-molybdenum porphyry deposits (U.S. Geological Survey, Mineral Commodity Summaries, 2020).

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The flotation separation of molybdenite from chalcopyrite ...

2020-9-1  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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Method of flotation of copper molybdenum ores

The flotation method is edno-molybdenum ore, including grinding ore and collective flotation of copper and molybdenum in alkaline environment, created lime, characterized in that the collective flotation is carried out in the presence of the collector Aero-MX 3601 and the expander, then the bulk flotation concentrate after evaporation and desorption heated slurry to 40-60°With live steam in ...

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Estimation of Copper and Molybdenum Grades and

2016-7-28  Flotation is one of the most widely used methods for mineral concentration. The separation process is a surface- chemistry based process for the separation of fine particles that is based on difference in wettability at the solid par-ticle surfaces. Flotation is mainly used in mineral concentration, treatment of industrial wastewater and the water

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Molybdenum - qxdali

The main method of molybdenum beneficiation is flotation. In the deep separation of molybdenum ore containing trace copper, a partial mixed preferential flotation process is adopted. Molybdenum beneficiation processes include molybdenum beneficiation, copper-molybdenum beneficiation, tungsten-molybdenum beneficiation and molybdenum-bismuth beneficiation.

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The Summary of Molybdenum Extraction Technology

2019-8-19  The Summary of Molybdenum Extraction Technology. Molybdenum ore is a kind of rare metal with high economic value, which is widely used in many important industries because of its excellent physical properties. According to different molybdenum mineral properties, the molybdenum processing methods are different, mainly including flotation ...

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Mineralogical Prediction on the Flotation Behavior of ...

However, this ANN method did not consider the mineralogical aspect of the feed and the flotation behavior of individual copper and molybdenum minerals as the input parameter. On the other hand, Tijsseling et al. [ 7 ] used a mineralogical study to predict the flotation performance.

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US20080067112A1 - Methods for the recovery of

A method for the recovery of molybdenum from an ore that includes a molybdenum-bearing mineral, such as molybdenite. The ore is treated to recover metal values from the ore, such as base metals, by utilizing a depressant to depress the flotation of the molybdenite. The tailings, which can include insoluble silicate minerals in addition to the molybdenite, are then activated to render the ...

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The use of dextrin in purification by flotation of ...

The process of flotation is commonly used for the recovery of molybdenite from mine tailings, but it produces low-content concentrates, thereby resulting in a product with low economic value.

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Molybdenum Beneficiation Basis - JXSC Mining

2021-6-11  Flotation adopts priority flotation method. Rough separation produces coarse molybdenum concentrate, and rough sweeping tailings recover associated minerals or discard. The coarse molybdenum concentrate is reground in two or three stages, and the final molybdenum

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Estimation of Copper and Molybdenum Grades and

2016-7-28  In this paper, prediction of copper and molybdenum grades and their recoveries of an industrial flotation plant are investigated using the Artificial Neural Networks (ANN) model. Process modeling has done based on 92 datasets collected at different operational conditions and feed characteristics. The prominent parameters investigated in this network were pH, collector, frother and

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The method of flotation of polymetallic ores

For comparison of data obtained by the proposed method performed flotation experiments with reagent-blowing agent by a known method. Take 12.5 g of reagent T-80 and add 125 ml of 10% (12.5 g) of a solution of soda ash. The ratio of T-80: soda ash 1:1. Prostate flotation experiments are shown in table. 1.

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Flotation purification of industrial wastewater by ...

2021-7-20  The ion flotation method is used for the purification of industrial sewage from the ions of nonferrous metals, including molybdenum (VI) with its content of up to 50 mg/liter. A 1.10/sup -4/M solution of sodium molybdate in 0.1M NaOH was used.

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Research on Column Flotation of Sliming Molybdenum ...

In this paper, for the re-concentration of sliming molybdenum Tailings in Henan Province, a multi-parameter test is carried out using orthogonal method in the column flotation system with the ultrasonic pre-treatment. Two groups’ optimum parameters of ultrasonic pre-treatment are acquired through the analysis of orthogonal test results. In addition,those two groups parameters are selected to ...

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Molybdenum Beneficiation Basis - JXSC Mining

2021-6-11  Flotation adopts priority flotation method. Rough separation produces coarse molybdenum concentrate, and rough sweeping tailings recover associated minerals or discard. The coarse molybdenum concentrate is reground in two or three stages, and the final molybdenum

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Optimization of a Copper/Molybdenum Flotation Circuit

2020-6-16  The global molybdenum production has a use of 50% as an alloying agent in the steel industry for high-speed steel to produce cutting material tools. Other uses of molybdenum include aircraft parts, some missiles, and the nuclear power industry. Compared to base and precious metals, molybdenum usage is minor with maximum

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Flotation of molybdenite in the presence of ...

2016-12-27  Keywords: molybdenite, flotation, microemulsified collector, diesel Introduction The recovery of molybdenite from the ores is usually simple since this mineral is natu-rally hydrophobic (Pearse, 2005). The natural hydrophobicity of molybdenite results from its layered crystal structure. The sulfur and molybdenum atoms within each layer

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The Summary of Molybdenum Extraction Technology

2019-8-19  The Summary of Molybdenum Extraction Technology. Molybdenum ore is a kind of rare metal with high economic value, which is widely used in many important industries because of its excellent physical properties. According to different molybdenum mineral properties, the molybdenum processing methods are different, mainly including flotation ...

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Differential flotation reagent for molybdenum separation ...

A dry differential flotation reagent for molybdenum-bearing ore is disclosed comprising from about 1 to about 30 percent by weight of NaSH, 0 to 20 percent by weight of NaOH, 60 to 90 percent by weight of a mixture of sodium thiophosphates comprising, as major components thereof, Na 3 PS 4, Na 3 PS 3 O, Na 3 PS 2 O 2, and Na 3 PO 3 S, with Na 3 PS 4 further comprising from about 15 mole ...

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Aerosol flotation of low-grade refractory molybdenum

2012-12-9  The characteristics of aerosol flotation, which include the effect of the concentration and particle size of kerosene aerosol on the molybdenum (Mo) flotation index and the effect of kerosene aerosol dosing method on the kerosene dosage and flotation time, were studied in the flotation of low-grade refractory molybdenum ores using kerosene aerosol. The results revealed that the particle size ...

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(PDF) The Flotation Process Can Go Green

2019-3-6  molybdenum and arsenic anions (in contrast to adsorbing colloid flotation, which was able to separate ... A new approach to recover microalgae from aqueous mediums using a bio-flotation method .

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INVESTIGATION OF EFFECTIVE PARAMETERS FOR

2014-5-13  copper–molybdenum flotation, and reviews most of the published applications. Section 2 gives a description of the industrial plant briefly. The materials and methods are introduced in Section 3. Finally, Section 4 analyzes the effect of some of the factors on the flotation of molybdenum and copper.

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ISOLATION AND CHARACTERIZATION OF LOST COPPER

2020-1-19  The importance of flotation separation has long been, and continues to be, an important for the mining industry, especially to metallurgical engineers. However, the flotation process is quite complex and expensive, in addition to being influenced by many variables. Understanding the variables affecting flotation efficiency

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