Nitrogen Gas Molybdenum Flotation from Copper …
Feed to the molybdenum flotation circuit is a bulk concentrate of 27% Cu and 0.9% Mo at 55 to 60% -325 mesh produced with the use of sodium isopropyl xanthate, fuel oil, aeroprotnoter 3302, and frother MF-142. Sodium hydrosulphide and fuel oil are stage-added throughout the roughers and first cleaners. Sodium cyanide is added to the …
Improving the Copper-Molybdenum Ores Flotation …
Copper-Molybdenum Ores Flotation. Technology Using a Combined. Collecting Agent. Minerals 2022, 12, 1416. https://doi/10.3390/ min12111416. Academic Editor: Wengang Liu. Received: 13 October 2022. Accepted: 4 November 2022. …
Effect of pH and Precipitations on Copper-Molybdenum Rougher Flotation
Results of flotation experiments in seawater indicated that the effect of pH on copper and molybdenum flotation maximum recovery seems limited. On the other hand, pH drastically influences copper and molybdenum flotation kinetic constant, it decreased a lot with increasing pH, and results of pH 8.5 and 9.0 is quite similar.
[PDF] Analysis of technological schemes and substantiation …
DOI: 10.17580/NFM.2019.01.01 Corpus ID: 199172192; Analysis of technological schemes and substantiation of the selection of the reagent regimes for copper-molybdenum ores flotation
Improving the Copper-Molybdenum Ores Flotation …
During the Cu–Mo ore flotation using an optimally dispersed microemulsion of the combined collector agent, a collective Cu–Mo concentrate was obtained with a copper content of 18.2% with an ...
Review of the flotation of molybdenite. Part I: …
This paper reviews the surface chemistry and floatability of molybdenite, usually by-product in Cu/Mo sulfide ores. Oil collectors are used to improve molybdenite flotation and the comparison with thiol collectors is discussed. Some inorganic ions are …
Molybdenum Flotation Process
1. Crushing: The molybdenum ore is coarsely crushed by the jaw crusher, and then crushed to a reasonable particle size by the fine jaw crusher. 2. Grinding: The feeder is evenly fed into the ball mill, and the ore is ground …
Recent progress on research of molybdenite …
Molybdenum is critical for metallurgical and chemical industries. Molybdenite is the most important mineral resource for molybdenum, and it can be recovered as a byproduct from porphyry copper ores. Froth flotation, which is the most cost-effective …
A Study on Dexing Copper-Molybdenum Flotation …
The inhibitor was high consumption of low-efficiency of depressant in the separation of copper- molybdenum is bottleneck, which restricts the improvement of the Cu-Mo separation technology. This paper study the Dexing copper-molybdenum flotation separation by using a new small molecule inhibitors named pseudothiohydantoin(DLC) …
Minerals | Free Full-Text | Enhanced Flotation Recovery of Fine …
Molybdenum is an important metal with a wide range of applications in metallurgy, the chemical industry, etc. [1,2].Molybdenite is the principal mineral in molybdenum extraction, and it is recovered from Mo-Cu ores or molybdenum ores using the froth flotation technique [3,4,5].However, molybdenite is an anisotropic mineral with …
Mineralogical Prediction on the Flotation Behavior of …
The objective of this study is to provide a simple method based on mineralogical analysis to predict the flotation 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 …
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 …
Evaluation of a NaHS loop piping circuit in a molybdenum flotation
Results show that in the rougher flotation stage, the feed flow is distributed evenly in lines 2 and 3 (approximately 38% of the flow goes to each line) and to a lesser extend towards line 4 ...
Molybdenum flotation with safer sulfide depressants than …
Can be used over a wide pH range. FLOTICOR™ DP sulfide depressants, a safer solution to replace NaSH for molybdenum flotation, are part of our portfolio of flotation reagents for sulfide ores. To meet your mineral processing needs, we offer a wide range of products, including tailor-made collectors, xanthate-replacement collectors, and frothers.
Review of the flotation of molybdenite. Part I: Surface …
This paper reviews the surface chemistry and floatability of molybdenite, usually by-product in Cu/Mo sulfide ores. Oil collectors are used to improve molybdenite flotation and the comparison with thiol collectors is discussed. Some inorganic ions are strong molybdenite depressants, such as, calcium ions and lime.
Recent Progress on Research of Molybdenite Flotation: …
4 Fig. 1. (a) Flowsheets for recovering Cu and Mo from porphyry Cu–Mo ores, (a) a typical two-stage flotation flowsheet (a bulk flotation circuit followed by a copper-molybdenum separation ...
A study of mechanisms affecting molybdenite recovery in a …
DOI: 10.1016/J.MINPRO.2009.10.001 Corpus ID: 98756888; A study of mechanisms affecting molybdenite recovery in a bulk copper/molybdenum flotation circuit @article{Zanin2009ASO, title={A study of mechanisms affecting molybdenite recovery in a bulk copper/molybdenum flotation circuit}, author={Massimiliano Zanin and I. M. …
Separation of Copper-Molybdenum Flotation Concentrate …
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 …
Molybdenum Ore Processing by Flotation
Molybdenum Ore Processing by Flotation. This molybdenum flotation circuit, based on 250-500 tons per 24 hours is …
Improving the Copper-Molybdenum Ores Flotation …
Abstract. 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 …
The solvent extraction separation of bismuth and molybdenum …
DOI: 10.1016/J.HYDROMET.2008.12.006 Corpus ID: 97993496; The solvent extraction separation of bismuth and molybdenum from a low grade bismuth glance flotation concentrate @article{Jianguang2009TheSE, title={The solvent extraction separation of bismuth and molybdenum from a low grade bismuth glance flotation …
A Review of Recent Advances in Depression Techniques for Flotation …
Porphyry copper deposits (PCDs) are some of the most important sources of copper (Cu) and molybdenum (Mo). Typically, the separation and recovery of chalcopyrite (CuFeS2) and molybdenite (MoS2), the major Cu and Mo minerals, respectively, in PCDs are achieved by two-step flotation involving (1) bulk flotation to separate Cu–Mo …
Improving the Copper-Molybdenum Ores Flotation …
The main mineral of molybdenum is mo-lybdenite −0.012%. Sulfide minerals of pyrite are present in amounts up to 0.5%. According to the X-ray phase analysis, the content of the rock-forming minerals is 96% and is represented by quartz, albite, clinochlore, feldspar, chlorite, potassium mi-croplagioclase and sericite.
Flotation separation of copper–molybdenum sulfides using …
DOI: 10.1016/J.MINENG.2015.09.013 Corpus ID: 97942001; Flotation separation of copper–molybdenum sulfides using chitosan as a selective depressant @article{Li2015FlotationSO, title={Flotation separation of copper–molybdenum sulfides using chitosan as a selective depressant}, author={Ming-yang Li and Dezhou Wei and Qi …
Molybdenum Grind Size & Liberation VS Collector Dosage …
At a flotation feed sizing of about 135µm P80, the liberation of the molybdenite, when assessed in two dimensions, was 56%. When compared to similar ores now being processed worldwide, this level of liberation is sufficient to allow successful flotation recovery of most of the molybdenite bearing particles into a rougher concentrate.
Mineralogical Prediction on the Flotation Behavior of …
The copper ore in Chilean copper porphyry deposits is often associated with molybdenum minerals. This copper–molybdenum (Cu–Mo) sulfide ore is generally mined from various locations in the mining site; thus, the mineral composition, oxidation degree, mineral particle size, and grade vary. Therefore, in the mining operation, it is common to …
Preparation method and application of non-molybdenum …
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 …
Effects of aluminosilicate minerals on copper-molybdenum flotation …
DOI: 10.1016/J.MINENG.2011.01.005 Corpus ID: 98151664; Effects of aluminosilicate minerals on copper-molybdenum flotation from Sarcheshmeh porphyry ores @article{Jorjani2011EffectsOA, title={Effects of aluminosilicate minerals on copper-molybdenum flotation from Sarcheshmeh porphyry ores}, author={Esmaeil Jorjani and …
Recovery of Molybdenum from Metallurgical Wastewater by …
In this study, the precipitation flotation method was used to study the flocculation of precipitated particles by adding HA in the process of Fe 3+ treatment of molybdenum wastewater. The effects of pH value, amount of HA, reaction time, and other parameters on the molybdenum recovery rate in wastewater were studied.
A process mineralogy approach to optimize molybdenite flotation …
DOI: 10.1016/j.mineng.2020.106557 Corpus ID: 224911691; A process mineralogy approach to optimize molybdenite flotation in copper – molybdenum processing plants @article{Abdollahi2020APM, title={A process mineralogy approach to optimize molybdenite flotation in copper – molybdenum processing plants}, author={Morteza Abdollahi and …
