Minerals | Free Full-Text | Utilization of Flotation Wastewater …
In the flotation separation process of a Cu-Mo-W polymetallic ore, the wastewater from the scheelite cleaning flowsheet contains large numbers of residual flocculants and metal ions, and the separation of chalcopyrite and molybdenite requires a large number of environmentally harmful depressants. Therefore, it is necessary to find …
A process mineralogy approach to optimize molybdenite flotation …
For this purpose, Eh of flotation cells of phases 1 and 2 of copper and molybdenum processing circuits – Sungun complex – were measured by off-line method. After performing chemical analysis, the mineralogical study of the input load and products of each of the aforementioned flotation circuits in the rougher, cleaner, re-cleaner, and ...
Understanding the mechanism of froth flotation of
Molybdenum is an essential metal used in high-strength steel alloys and other chemical applications (U.S. Geological Survey, 2018). To date, 95% of molybdenum production comes from molybdenite in porphyry Cu-Mo ores (John and Taylor, 2016). ... and drop sizes were determined using an optical method. The molybdenite surfaces were …
CN112403685A
The invention discloses a flotation method of talc-containing molybdenum-zinc ore, which comprises the following steps: (1) grinding the ore; (2) performing talc flotation by taking metal ions and organic inhibitors or oxidant and organic inhibitors as combined inhibitors of molybdenite and sphalerite; (3) regrinding and removing the chemicals from the talc …
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 …
Review of the flotation of molybdenite. Part I: …
Highlights. •. This paper reviews the surface chemistry and floatability of molybdenite, usually by-product in Cu/Mo sulfide ores. •. Oil collectors are used to …
A Review of Recent Advances in Depression …
Typically, the separation and recovery of chalcopyrite (CuFeS 2) and molybdenite (MoS 2 ), the major Cu and Mo minerals, respectively, in PCDs are achieved by two-step flotation …
Research On Copper-molybdenum Ore Flotation …
At present, the use of flotation to treat copper-molybdenum ore is more common, the technology is mature, and the indicators are good. In principle, the flotation methods of copper-molybdenum ore are mixed flotation, preferential flotation, and equal flotation.Most of the production chooses mixed flotation, but sometimes preferential …
A study of mechanisms affecting molybdenite recovery in …
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 …
Pulsating HGMS for industrial separation of chalcopyrite from …
For instance, for the flotation separation of a ton of fine copper-molybdenum co-flotation concentrate to be used in this investigation, which assays around 26% Cu and 0.35% Mo with 90–92% mass below 50 μm, a sodium sulfide (Na 2 S) consumption of 20–30 kg was practically required for depression of chalcopyrite against …
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circumstances, the flotation method needs to be completed with inhibitors. During the flotation of molybdenum ore, non-polar oil is added to it to improve the grade of molybdenum concentrate. At the same time, a variety of inhibitory gangue minerals such as sodium hexametaphosphate and water glass
Improving the Copper-Molybdenum Ores Flotation …
The cycle of collec-tive copper–molybdenum flotation includes the main flotation, control flotation, and three re-cleanings of concentrate. In the basic mode, …
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 …
Recovery of Molybdenum from Metallurgical …
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 …
Improved flotation of molybdenite from talc using a …
Flotation is the most common method of separating talc from molybdenite. However, due to the layered structure and strong natural hydrophobicity of both talc and …
Review of the flotation of molybdenite. Part I: Surface properties …
Particle size is a very important factor affecting flotation properties of molybdenite. In porphyry copper–molybdenite ores the flotation conditions (grinding, reagents, bubble size, etc.) all are optimized with respect to Cu and not Mo. Fig. 2 shows that the optimum flotation particle size for molybdenite is around 20 μm, and the size …
The Prospect of Recovering Vanadium, Nickel, and Molybdenum …
China started researching methods of extracting vanadium from stone coal in the 1970s, and over time, ... Using flotation to extract molybdenum, the molybdenum concentrate grade was increased from 0.036% in the head ore to 0.112%, and the recovery was 81.3%. The molybdenum extraction tailings were treated by the calcium …
Mineralogical Prediction on the Flotation Behavior of …
"It might be hypothesized that the flotation kinetics of blended Cu-Mo ore in seawater can be estimated by the flotation kinetics of each copper and molybdenum mineral from each Cu-Mo ore" Reviewer 3 Report. The authors have tried to analyse the flotation process for copper-molybdenum ore with different oxidation levels using …
Selective flotation separation of molybdenite and talc by …
Contact angle was measured through the lying drop method of JY-82 C contact angle tester. The samples were immersed in various reagents for 10 min, which same as the flotation tests, and dried in a vacuum oven for 50 s. ... The grade and recovery of molybdenum in the final flotation tanks were 42.8% and 80%, respectively.
Improving the Copper-Molybdenum Ores Flotation …
In the basic mode, the collective Cu–Mo concentrate was produced with the copper content of 16.25% with an extraction of 77.79% and with the molybdenum content of 0.45% with an extraction of 79.38%.
A process mineralogy approach to optimize …
The Sungun copper-molybdenum operation in Iran uses a typical copper-molybdenum flowsheet to produce separate copper and molybdenum concentrates …
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 …
Investigation of Leaching Kinetics of Molybdenum from MoO
MoO3 is a widely accessible foundation material and the primary compound used to produce numerous molybdenum products. The ore was first roasted, and the leaching behavior of concentrated molybdenite mineral was assessed. The optimal conditions for the leaching process were identified in the second step, and in a …
Molybdenum Ore Beneficiation Process Technology
Flotation separation adopts priority flotation method. Rough separation produces coarse molybdenum concentrate, and rough sweeping tailings recover associated minerals or discard. The coarse …
Flotation methods and processes for copper-molybdenum …
In principle, the flotation methods of copper-molybdenum ores include mixed flotation, preferential flotation, and equal flotation. Mixed flotation is mostly used in production, but sometimes ...
Recent progress on research of molybdenite …
Molybdenite is naturally floatable and can be separated from copper sulfide mineral using froth flotation. Properties of molybdenite such as mineralogy, microstructure, surface …
Recent progress on research of molybdenite flotation: A …
Molybdenum is an important alloy element for metallurgical industry because of its high temperature stability. As the major mineral reserve for molybdenum, molybdenite (MoS2) is commonly found in ...
Deep separation of critical metals of Mo and Re from waste …
In the further Mo flotation separation, Mo comprehensive recovery of 97.9% is achieved by using CTAB and KH 2 PO 4 as chelation agent and flocculant, respectively. The technological parameters of the conventional selective precipitation method and precipitation flotation method as well as the Mo and Re distributions in these two …
Recent progress on research of molybdenite …
Bench-scale and industrial flotation tests indicated that the Mo recovery in the final Mo concentrate increased by 20–40%, and the consumption of Na 2 S decreased 50%. Moreover, a copper‑molybdenum isofloatability flotation (IFF) process has been …
Improvement of copper–molybdenum ore beneficiation
The objective of the present study was to find regular patterns in processing of complex copper-molybdenum ore by flotation and bio-hydrometallurgical method and to choose application conditions ...
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