Flotation Behaviors of Magnesite and Dolomite Using a …
The flotation behaviors of magnesite and dolomite with single or mixed collector were investigated through micro-flotation tests. The co-collection mechanisms …
Dolomite Efficient Flotation Cell
Enhancing selective calcite and dolomite flotation in the …
This paper presents a comprehensive study on the selective flotation of a multi calcium-bearing minerals ore, focusing on the efficient removal of dolomite and calcite impurities from a carbonaceous sedimentary phosphate ore.
Enhanced flotation of magnesite and dolomite in sodium …
The addition of BS-12 in NaOL flotation system could also enhance the surface activity and hydrophobicity of magnesite and dolomite. The effect mechanism of BS-12 on the flotation of magnesite and dolomite with NaOL was studied through zeta potential measurements, Fourier-transform infrared spectroscopy (FTIR), and molecular …
Flotation studies of monazite and dolomite | Request PDF
Request PDF | Flotation studies of monazite and dolomite | Rare earth elements (REE) are key components of many emerging green technologies. This leads to an increase in demand for REE, hence to ...
(PDF) Flotation Separation of Dolomite from Fluorapatite
In this study, to improve the removal efficiency of dolomite from apatite by direct flotation, hydrolytic polymaleic anhydride (HPMA) was introduced as an eco-friendly depressant for dolomite.
Selective adsorption of an eco-friendly and efficient …
Thus, this research offers a novel non-toxic and eco-friendly dolomite depressant, 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTCA), for selective …
Selective co-adsorption of a novel mixed collector onto …
It is difficult to effectively separate magnesite from dolomite owing to the similarity of their surface properties. In this study, a novel mixed collector of oleic acid and dodecyl phosphate was used to increase the flotation …
Fine Particle Flotation: Experimental Study and Modelling
Dear Colleagues, Froth flotation is the most economical method to separate minerals in ores. However, the complexity of new ore bodies requires fine grinding to liberate valuable minerals, which produces particles with sizes too fine for an efficient mineral flotation and separation.
Separation mechanism of apatite and dolomite with flotation …
The results of single mineral flotation experiments demonstrated that KGM selectively depresses the flotation of dolomite. Consequently, artificial binary mixed ore flotation studies of apatite and dolomite were conducted to investigate its selectivity and separation effect due to the varied flotation behavior of mixed ore.
Adsorption mechanism of green efficient chelating poly-L …
Semantic Scholar extracted view of "Adsorption mechanism of green efficient chelating poly-L-aspartic acid in flotation separation of brucite and dolomite" by X. Gong et al.
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In this study, sodium dodecyl benzene sulfonate (SDBS), a low‐cost and freely soluble reagent under low temperature was used to examine its collecting ability and selectivity …
Enhanced Flotation of Dolomite Particles by Grinding with …
Hence, enhancing the flotation recovery of dolomite can facilitate the separation and purification of apatite, thereby playing a crucial role in the effective …
Mechanism of calcium lignosulfonate in apatite and …
dolomite is higher than that of apatite, which is due to the strong reaction between calcium lignosulfonate and the Ca sites on dolomite. In addi-tion, there is a hydrogen bond between calcium lignosulfonate and dolomite, which further prevents the adsorption of sodium oleate to dolo-mite, thus greatly inhibiting the flotation of dolomite.
The enhanced flotation separation of magnesite and dolomite …
In pulp environment, due to the migration and transformation of dissolved calcium ions, the surface properties of magnesite and dolomite tend to become similar, which in turn leads to difficulties in their flotation separation.
Improving separation efficiency of galena flotation …
Abstract: The low separation efficiency of traditional mechanical flotation cells for galena flotation primarily was caused by the low collision probability between bubbles and fine particles and high
Efficient flotation recovery of lead and zinc from refractory …
Efficient flotation recovery of lead and zinc from refractory lead-zinc ores under low alkaline conditions. ... collector and frother were sequentially added into the rougher flotation cell at 2 min intervals, and the flotation time of each stage was determined by different conditions. The froth products were collected with an automatic …
Mechanism of calcium lignosulfonate in apatite and …
nosulfonate dosage on the flotation of apatite and dolomite is investigated. Fig. 5 shows that calcium lignosulf-onate has depressant effect on oth apatite and dolomite, but the …
The effect of dissolved mineral species on bastnäsite, …
Taking advantage of, or controlling, the surface reactions should be the main target to developing a more efficient and cost-effective flotation process. Different measures have been proposed to reverse/reduce the detrimental effects of the dolomite supernatant to RE mineral flotation.
Minerals | Free Full-Text | Flotation Separation of Dolomite …
Flotation is a separation and concentrate method that uses the physicochemical features of minerals to separate valuable minerals from gangue …
New insights on depressive mechanism of citric acid in the …
The effective separation of apatite and dolomite is always the focus of phosphate ore flotation research. The effect of citric acid (CA) on the flotat…
An ion-tolerance collector AESNa for effective flotation of …
An XFG II5 laboratory flotation machine with a 40 mL flotation cell was used for the micro-flotation tests. The room temperature was 20 °C and the stirring speed was 1992 rpm. ... Selective adsorption of an eco-friendly and efficient depressant PBTCA onto dolomite for effective flotation of fluorapatite from dolomite. Chem. Eng. J., 400 …
Minerals | Free Full-Text | Flotation Separation of Dolomite …
Flotation Separation of Dolomite from Fluorapatite Using Sodium Dodecyl Benzene Sulfonate as the Efficient Collector under Low Temperature ... 2 g of fluorapatite/dolomite was added in the flotation cell with 50 mL pure water, and then stirred 2 min for dispersion. After that the regulator (HCl/NaOH) was added to adjust the …
A Critical Review on the Flotation Reagents for Phosphate …
Phosphate ore is the dominating natural resource for the production of fertilizers and phosphorous chemical products. Flotation is the most widely employed …
Selective flotation separation of apatite from dolomite …
The previously experimental and analytical results supported that the selective adsorption of P (AA-AMPS) onto dolomite depressed strongly the dolomite flotation, resulting in the efficient separation of apatite from dolomite.
The application of poly (sodium 4-styrene sulfonate) as an efficient …
Poly (sodium 4-styrene sulfonate) was tested as a novel and efficient depressant for the selective flotation of apatite and dolomite in this work. The…
Selective co-adsorption of a novel mixed collector onto …
This study focuses on the effects of ultrasonic treatment on the surface roughness, flotation behavior, and flotation separation efficiency of magnesite and dolomite in a sodium oleate (NaOL) system. Flotation experiments show that ultrasonic treatment improves the flotation recovery and separation efficiency of these two minerals.
Selective adsorption of a new depressant Na2ATP on dolomite
However, the efficient separation of magnesite from dolomite cannot be realized by relying on these traditional ... 2 g of mineral samples ( passing 5 μm) were transferred to the flotation cell, and the interaction process of reagents and minerals was consistent well with the above flotation experiments. ... The slightly worsened ...
Effect of Sodium Pyrophosphate on the Reverse Flotation of Dolomite …
In this study, the effect of sodium pyrophosphate (NaPP) on the separation of apatite from dolomite by flotation was systematically investigated. Flotation results revealed that NaPP could selectively depress the flotation of apatite, thus realizing the separation of apatite from dolomite. Further, the selective depression mechanism of …
The flotation separation of apatite from dolomite using a …
In this work, GJBW, a fatty acid-based agent, was used as an efficient collector to separate dolomite from apatite to achieve high-purity apatite. The flotation …
Flotation Separation of Magnesite from Dolomite Using …
Flotation separation of magnesite from dolomite in the presence of SSZS (sodium silicate modified with zinc sulfate) as an inhibitor and NaOL (sodium oleate) as a collector has been studied via flotation tests, zeta potential measurements, contact angle measurements, and Fourier transformation infrared spectroscopy analysis (FT-IR). The …
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