Flotation Collectors for Froth Flotation
High-Performance Collectors for Mineral Flotation. Syensqo flotation collectors and promoters include the AEROPHINE®, AERO®, AEROFLOAT®, and CYQUEST® lines. These reagents improve selectivity for higher concentrate grades and better overall yields. AEROPHINE® - An ideal family of collectors for base metal ores, precious metals and ...
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 (MoS 2) is commonly found in porphyry copper deposits. Molybdenite is naturally floatable and can be separated from copper sulfide mineral using froth flotation.
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 (MoS 2) is commonly found in porphyry copper deposits.Molybdenite is naturally floatable and can be separated from copper sulfide mineral using froth flotation.Properties of molybdenite such as …
A new attempt for low-alkalinity flotation separation of …
This study provides compelling evidence for the feasibility of using nonpolar oil as a green and efficient collector for low-alkalinity chalcopyrite and molybdenite flotation, contributing to the sustainable utilization of porphyry copper-molybdenum ores.
Recent progress on research of molybdenite …
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 ...
Improving the flotation of molybdenite fines based on the …
Improving the flotation efficiency of molybdenite fines is a challenging job worldwide. In this work, sodium 2-Mercaptobenzothiazole (MBT) was explored as a potential …
Influence mechanism of a compound collector from edible …
In this work, a mixture of edible fatty acid-based oils and polycyclic aromatic hydrocarbons were combined to form a Compound collector to improve fine molybdenite flotation and minimize …
Understanding the mechanism of froth flotation of …
Much of the previous R&D has been devoted to the development of flotation collectors for flotation of molybdenite minerals (He et al., 2019, He et al., 2011, Ramirez et al., 2020, Smit and Bhasin, 1985).Due to the anisotropic surface properties of molybdenite crystals, different collectors were developed to increase the hydrophobicity of both the face and edge …
Improving the Copper-Molybdenum Ores Flotation …
Minerals 2022, 12, 1416 2 of 13 2-ethyl-hexenylsuccinic acid with nickel and copper [10–14]. The obtained reagents were tested on coppernickel – ore from the Pechenga ore deposits with a ...
Molybdenum Grind Size & Liberation VS Collector Dosage …
Based on the criteria selected to evaluate the flotation data, the collector classes were categorized as having good, poor or no potential of being substituted for vapor oil in the molybdenite-flotation system. The results, summarized in Table 4, show that mercaptan, xanthogen formate, xanthic ester, and xanthate collectors exhibited good ...
Floatation Process Optimization of Molybdenum Ore
In this paper,the technology of flotation was adopted to obtain high-grade Mo concentrate from a lowgrade molybdenum ore.By single factor test,the integrate effect of reagent system (pH value,mixed inhibitors dosage,collector dosage,blowing dosage) and physical factors (grind size,temperature,slurry concentration,flotation speed and inflating volume of flotation machine) …
An effective approach for improving flotation recovery of …
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 operation conditions and particle size analysis were systematically investigated. Process mineralogy …
Application of a novel auxiliary collector for molybdenite …
In this work, 1-dodecanethiol (NDM) was explored as an auxiliary collector to enhance the flotation of molybdenite fines. The flotation performance and adsorption …
Cu/Mo Ores
Molybdenum will float naturally with the copper but can be crowded in the froth by the copper mineralisation and use of a moly collector (such as diesel oil, kerosene, refined oils, pine oil or xanthate ester) enhances its floatability.
Recovery of molybdenum and copper from porphyry ore via …
One is the bulk copperâˆ' molybdenum flotation followed by separation, which has been widely used in several large-scale mines such as Dexing copper mine (Jiangxi Province, China) [2]. ... the IFF approach using transformer oil as the molybdenum collector can obtain superior Mo recovery (90.77%) and grade (0.80%) Qing-quan LIN, et al/Trans ...
Low-temperature collecting performance of a new combined collector …
The effect of PEG-2000 on the flotation of scheelite with the collector sodium oleate (NaOL) was studied by flotation tests, surface tension tests, infrared spectral analysis, and zeta potential measurements. ... QIN Wen-qing, JIAO Fen, et al. Review on development of low-grade scheelite recovery from molybdenum tailings in Luanchuan, China: A ...
Review of the flotation of molybdenite. Part I: Surface properties …
Batch flotation results showed that the mixed collector at a mass ratio of 95:5 of main collector to auxiliary collector at pH 11.0 improved molybdenite flotation, that is, the Mo recovery was ...
Galvanic Couple-Induced Depression Effect with Clean and …
To re-establish the adsorption of the collector molecules on the mineral surface, the copper collector (ADD, 40 g/t) was added at the beginning of flotation and conditioned for 2 min, followed by the copper depressant (NaHS, 20 kg/t; LCD, 10%), and the molybdenum collector (kerosene, 80 g/t) with another 2 min conditioning.
Molecular design of flotation collectors: A recent progress
Van der Waals or electrostatic interactions of flotation collectors are active to all kinds of minerals rather than to a specific mineral [6], which means that the flotation separation of a metallic mineral from the ore of complex compositions mainly through the two adsorptions might be poor.To overcome this basic drawback in metal ore flotation, the conditional stability …
AERO® Promoters For Diverse Mineralogies | Syensqo
Medium strength copper collector where molybdenum recovery is important. AERO ® MX-724 Promoter: Molybdenum collector: For use with any sulfide collectors. AERO ® MX-2400 Series Promoter : Designed for the flotation recovery of precious and base metals from primary and secondary ores. Can be used as a primary collector for molybdenum ores.
US20120145605A1
the molybdenum-containing material may also contain minerals comprised of silver and gold, either in the crystal structure or in association as an independent mineral species, and combinations thereof. Molybdenum-containing materials which occur with a second mineral species of copper, gold or silver will generally require a flotation collector comprised of one or …
New advances in the understanding and development of flotation
Froth flotation is one of the primary mineral processing approaches for separation and upgrading of valuable minerals from their ores (Fuerstenau et al., 2007, Nagaraj and Farinato, 2016).In froth flotation, a collector (a kind of surfactant) selectively attaches to a target mineral using its minerophilic group (Somasundaran and Wang, 2006), and then its hydrophobic group …
Copper-Molybdenum ores
Further, because optimum moly flotation pH is at 7-8 while optimum copper selectivity is typically in the 9-11 pH range, use of a moly collector in bulk flotation can improve floatability. Some mines find that the moly collectors can have a negative impact on copper flotation so testing and evaluation must be conducted to find the optimum moly ...
Floatation Reagents
BGRIMM owns two production lines of high-efficient and customized mineral-processing reagents, producing collectors of BK-, AP- and BJ-series, which have been applied successfully to industrial practice of processing ores of copper, copper-molybdenum, molybdenum, copper-lead-zinc and tungsten in numerous companies, mines and plants.
Moly Collector and Addition Point in Flotation
Where is Molybdenum best collected by its collector, Grinding or Conditioning? The protocols of the testwork were done such that a comparison could be made between adding the Moly collector at the milling stage versus the conditioning stage. As shown, the proper addition point for the Moly collector is at the grinding stage.
Effects of Collectors and Frothers on Copper and Molybdenum …
Increase recovery of coarse particles in copper-molybdenum flotation using stronger collectors and frothers. Analysis shows 3% increase in copper recovery with potassium amyl xanthate and FrothPro 630. ... turbulence in the flotation cell, pH, collector, frother type and dosage. The testwork discussed in this paper was performed for a copper ...
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). ... Flotation collector plays a critical role in the successful concentration of coal particles and the ...
Improving fine molybdenite flotation using a combination …
The flotation of molybdenum single mineral was conducted in an XFG hanging flotation cell. 2.0 g molybdenum mineral was mixed with 50 mL distilled water and agitated at 1780 rpm. NaOH solution was added to adjust the pH at about 6.5. ... The effect of PAH proportion in collector on the flotation of molybdenite particles with different size ...
Study of Molybdenite Floatability: Effect of Clays and Seawater
In contrast to other sulfides, molybdenite does not require collectors, although it is common to use non-polar oils, which improve recovery ... analyzed the impact of kaolinite on the flotation of molybdenum in seawater. The results showed a depressant effect throughout the analyzed pH range (pH 7–11); however, it intensifies at pH> 9, when ...
Enhanced mixed flotation of copper–molybdenum ore …
Generally, in mixed flotation of copper–molybdenum ores, xanthate (butyl xanthate) is used as a collector, hydrocarbon oil (kerosene) as the auxiliary collector, pine alcohol oil as the foaming reagent, and lime and water glass as from regulators (Castro et al., 2016; Kang and Li, 2021; Zeng et al., 2020a).From an economic perspective, increasing the proportion of …