In this work, N-tetradecyl-isopropanolamine (NTIA) is synthesized and used as a new collector on the flotation separation process of scheelite from calcite to further improve the efficiency of the selective flotation.
Luanchuan area is one of the regions with the largest scale of scheelite beneficiation and the largest output of scheelite concentrate in the world. A…
Semantic Scholar extracted view of "Flotation separation of scheelite from calcite using baicalin as a depressant" by Xiaokang Li et al.
In this study, the development process of low-grade scheelite recycling technology in Luanchuan area was reviewed, including raw ore properties, beneficiation process, flotation equipment and ...
In industrial practice, hydrodynamic cavitation (HC) is commonly triggered by jetting either reagent solution or pulp. Although both methods can enhance mineral flotation, are their roles the same? There are few research studies in the field, which severely limits our understanding on mineral flotation combined with HC. Therefore, in …
The efficient separation of scheelite and calcite has always been a serious problem in the beneficiation industry, which makes the efficient recycling of scheelite resources difficult [4]. The earliest and most widely used collectors for scheelite are fatty acids and their soaps such as sodium oleate (NaOL), oxidized paraffin soap [5] and so …
S. I. Pol'kin, E. V. Adamov, I. S. Vetrov, and A. A. Chistov, "Present state and possible use of flotation reagents for treating rare metal and tin ores," in: Flotation Reagents [in …
6 7 Why choose RCS™ flotation solutions Advanced automation & control systems As raw materials and other resources become scarcer, plants look for ways to be more efficient and productive.
This paper proposes luteolin (LUT) as a novel depressant for the flotation-based separation of scheelite and calcite in a sodium oleate (NaOL) system. The suitability of LUT as a calcite depressant is confirmed through micro-flotation testing.
Research and investigations into various approaches to improving the beneficiation efficiency of tungsten ores are reviewed in this paper, including selective flotation of scheelite from other calcium containing minerals such as calcite and fluorite using more selective reagents, very fine scheelite and wolframite flotation, optimization …
Benzohydroxamic acid (BHA) is intensively used as collector in the mineral processing industry, and thus tremendous hazardous beneficiation wastewater…
With the continuous depletion of rare earth (RE) resources, developing high-efficiency beneficiation and eco-friendly metallurgical processes has attracted widespread attention. This paper reviews the major minerals exploited for RE production and their deposits, as well as the beneficiation and metallurgical processes of RE minerals.
Energy input in shear flocculation was controlled in a four-baffle cylindrical tank with a four-blade impeller by changing the agitation speed. ... an efficient flotation separation of scheelite ...
In this paper, beneficiation studies were carried out on a low-grade tungsten-bearing scheelite from Nezam Abad ore with total WO3 grade of 0.11%. Mineralogical studies showed that scheelite is mainly distributed in the ore and gangue minerals include Quartz and Tourmaline. Liberation degree (d80) of tungsten- bearing scheelite is …
The rate of the scheelite flotation process with an hydroxyhydryl sorbent tending to micelle formation, depended on the content of the flotation-active form of the sorbent in the liquid phase of the pulp, and its distribution between the mineral
Semantic Scholar extracted view of "Efficient removal of hazardous benzohydroxamic acid (BHA) contaminants from the industrial beneficiation wastewaters by facile precipitation flotation process" by Guihong Han et al.
The gravity concentration and magnetic separation techniques are predominantly practiced in wolframite beneficiation, while gravity concentration followed by froth flotation is the key route in the scheelite beneficiation.
This work introduces a feasible mineral processing method for the beneficiation of low grade and complex scheelite using the X-ray transmission (XRT) …
The utilization of etidronic acid to improve the scheelite flotation efficiency is demonstrated by the laboratory-scale experiments and the industrial tests. The roughing …
Scheelite and cassiterite are common tungsten and tin oxide minerals that often coexist in nature. However, the similar oxidation degrees and solution and surface chemical properties of scheelite and cassiterite pose challenges to their flotation separation.
The greenest, most efficient, and cheapest method for scheelite flotation is to use fatty acids as collectors with sodium silicate as depressant, although this solution suffers from a crucial lack of selectivity regarding the above-mentioned calcium salts.
A systemic review on the study of scheelite flotation reagents and mechanisms of action for calcium-containing minerals and flotation reagents will supply …
Basically, this review focuses on the application of ion flotation in wastewater treatment, mineral beneficiation, such as rare precious metal recovery, and hydrometallurgy, such as pre-concentrating of rare earth elements and selective separation of multicomponent ions; the intent of this review is to provide ideas and inspiration to spark ...
Owing to the depletion of wolframite, the focus of tungsten extraction has gradually shifted to scheelite. However, separating the associated minerals (e.g., apatite, fluorite, and calcite) and scheelite is challenging because their surface physicochemical properties are similar to those of scheelite. Fortunately, researchers have made …
• Novel concepts and specific processes have been studied to increase flotation efficiency of fine and very scheelite and wolframite. • Combined beneficiation …
These two beneficiation methods are relatively simple, ... The hanging tank capacity of the flotation machine was 40 mL, and the spindle speed was set to 1500 rpm. ... which is of great significance for the efficient flotation separation of scheelite from calcium gangue minerals such as calcite. This study also revealed the synergistic ...
Semantic Scholar extracted view of "Adsorption mechanism of efficient flotation separation of scheelite from calcite by a novel mixed collector" by Qianwen Wu et al.
The development of scheelite flotation reagents in the future is envisioned, aiming at achieving efficient flotation enrichment of scheelite, reduce production costs and …
In this paper, in order to investigate the important role of depressant EDTMPS in scheelite flotation, micro flotation experiments, contact angle test, zeta potential detection, and …
This paper describes an economical and eco-friendly technology that utilises carbide slag to treat mine and ore washing wastewater (MOW) and reuses the treated wastewater in a scheelite flotation circuit.
Request PDF | Beneficiation of fluorite by flotation in a new chemical scheme | In this work, the froth flotation of fluorite from an ore in China has been studied using an enhanced sodium ...
In this study, a high-efficiency depressant is applied to increase the scheelite roughing grade and consequently improve the scheelite flotation efficiency and reduce the cost of heating cleaning. The scheelite flotation performance with the etidronic acid, normal water glass, and acidified water glass is demonstrated by using laboratory …
Thus, to improve the separation efficiency of scheelite and the calcium-bearing veinstone minerals, experts have utilized flotation chemicals as a means of entry to enhance the separation effect via modifications, combinations, and …
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