— Since the physical and chemical properties of apatite and dolomite can be similar, the separation of these two minerals is difficult. Therefore, when performing this separation using the flotation method, it is necessary to search for selective depressants. An experimental research was performed on the separation behavior of apatite and …

 — 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 performance of dolomite and apatite in the phosphate (H3PO4) system treated with sodium oleate (NaOl) and GJBW, respectively, was studied and compared. Microheat tests, …

 — Thus, it has a potential to depress dolomite in the flotation of apatite. This paper studied the influence of flaxseed gum on single mineral flotation and artificially mixed ores flotation of apatite and dolomite. The adsorption mechanism of flaxseed gum on apatite and dolomite was investigate by measurement of AFM, zeta potential, FT-IR, and XPS.

 — Semantic Scholar extracted view of "The interaction mechanism of a novel polymer depressant with apatite and dolomite surface and its implication on flotation: Experimental tests and DFT calculation" by Ruiqi Ge et al. ... The selective flotation separation of apatite from dolomite and calcite utilizing a combination of 2-chloro-9 …

 — The bench-scale flotation experiments demonstrated that effective flotation separation of apatite from calcite can be achieved using HPMA as the depressant and sodium oleate (NaOl) as the collector.

 — In this study, a selective depressant sodium alginate (SA) was used to improve the flotation performance of separating apatite from dolomite. The flotation …

 — In this paper, polyaspartic acid (PASP) was exploited as a novel dolomite depressant for flotation separation of apatite and dolomite. A series of tests with Zeta potential, FTIR and XPS were used to…

 — In their study of the separation of dolomite from apatite, Chen and co-workers (Chen et al., 2018) concluded that pyrophosphate could only adsorb on the Ca surface sites of both apatite and dolomite, which prevents oleate adsorption on these sites. However, oleate could adsorb on the Mg sites of dolomite which were free of pyrophosphate, …

 — Semantic Scholar extracted view of "Depression mechanism of Acid for Flotation Separation of Fluorapatite and Dolomite Using ToF-SIMS and XPS" by Xiaofen Huang Investigatio et al. ... New insights on depressive mechanism of citric acid in the selective flotation of dolomite from apatite. Zhong Wei Q. Zhang Xuming Wang.

DOI: 10.1016/J.MINENG.2020.106635 Corpus ID: 225022458; The flotation separation behavior of apatite from calcite using carboxymethyl chitosan as depressant @article{Wang2020TheFS, title={The flotation separation behavior of apatite from calcite using carboxymethyl chitosan as depressant}, author={Tao Wang and Bo Feng and …

 — Sodium N-lauroylsarcosinate (SNLS) was employed as a selective flotation collector for dolomite–apatite separation. The influence of pH, condition time, and collector dose on the flotation ...

 — In this paper, polyaspartic acid (PASP) was exploited as a novel dolomite depressant for flotation separation of apatite and dolomite. A series of tests with Zeta potential, FTIR and XPS were used to reveal the inhibitory mechanism of PASP on dolomite. The microflotation test illustrated that PASP has a strong inhibitory impact on …

DOI: 10.1016/j.mineng.2020.106492 Corpus ID: 219918549; Improving flotation separation of apatite from dolomite using PAMS as a novel eco-friendly depressant @article{Yang2020ImprovingFS, title={Improving flotation separation of apatite from dolomite using PAMS as a novel eco-friendly depressant}, author={Bin Yang and …

 — Flotation is the most commonly used mineral beneficiation technique to separate scheelite from above calcium-bearing gangue minerals (Wills and Napier-Munn, 2005). At present, studies mainly focus on the separation of scheelite from calcite and fluorite, but there are relatively few reports on the flotation separation of scheelite from …

Semantic Scholar extracted view of "Flotation separation of molybdenite and talc using tragacanth gum as depressant and potassium butyl xanthate as collector" by Chunhui Zhong et al. ... The role of sodium alginate in the flotation separation of apatite and dolomite. Chunhui Zhong B. Feng +4 authors Hui-hui Wang. Materials Science ...

 — Micro-flotation results indicated that the addition of P (AA-AMPS) could achieve the efficient separation of apatite from dolomite at pH 8.5 by selectively depressing the dolomite flotation, in ...

 — As this paper is more focusing on the selective separation of apatite, calcite, dolomite and quartz within phosphate ores, it could be easily concluded based on the flotation results of mixed ...

 — Froth flotation is widely used as an effective method for separating apatite from dolomite. However, it is of difficulty to realize the efficient separation of apatite and dolomite using the ...

flotation separation of apatite and dolomite. A series of tests with Zeta potential, FTIR and XPS were ... (Zhong et al., 2009).Therefore, it is necessary to further strengthen the mineral separation and utilization of middle-low grade phosphate ore. There are lots of methods for beneficiation of phosphate ore, including heavy medium separation ...

 — To elucidate how phosphoric acid (H3PO4) as a depressant achieves selective separation of apatite and dolomite, the flotation response of these minerals was investigated using both single and ...

DOI: 10.1016/j.mineng.2022.107678 Corpus ID: 249856074; Application of andiroba oil as a novel collector in apatite flotation @article{Santos2022ApplicationOA, title={Application of andiroba oil as a novel collector in apatite flotation}, author={Leandro Henrique Santos and Guilherme Ot{'a}vio dos Santos and Luciano Fernandes de Magalh{~a}es and Gilberto …

 — Abstract. In this study, a selective depressant sodium alginate (SA) was used to improve the flotation performance of separating apatite from dolomite. The flotation …

The selective depression mechanism of GA in the flotation separation of apatite from dolomite was investigated using various techniques, including zeta potential, contact angle, UV-vis, FTIR, XPS, ToF-SIMS, and AFM analyses. The results demonstrated that GA increased the hydrophilicity of the dolomite surface and impeded the adsorption of NaOL ...

 — This study proposes the use of eco-friendly konjac glucomannan (KGM) as a depressant for the selective separation of apatite and dolomite. The micro-flotation …

 — The flotation separation of apatite from dolomite can be achieved under the reagent system of adding 20 mg/L SA followed by 1*10 −4 mol/L NaOl in pH 8–11. The contact angle tests and adsorption tests indicate that depressant SA absorbed onto both apatite and dolomite surfaces and the adsorption intensity of the latter was greater than …

DOI: 10.1016/j.mineng.2023.108280 Corpus ID: 260401473; The separation behavior and mechanism of scheelite and dolomite using locust bean gum as depressant @article{Ziming2023TheSB, title={The separation behavior and mechanism of scheelite and dolomite using locust bean gum as depressant}, author={Wang Ziming and Feng Bo and …

 — DOI: 10.1016/J.SEPPUR.2016.01.044 Corpus ID: 101484373; The depression effect and mechanism of NSFC on dolomite in the flotation of phosphate ore @article{Yu2016TheDE, title={The depression effect and mechanism of NSFC on dolomite in the flotation of phosphate ore}, author={Jun-xia Yu and Yingyong Ge and Xiaolong …

In the positive flotation of apatite, the ideal scenario involves the selective adsorptions of collectors on apatite surface, thereby enhancing its hydrophobicity and the disparity in …

In apatite flotation, oleic acid is a commonly used fatty acid collector but is limited by its selectivity and solubility. Acknowledging the reactivity of the α-C atom within oleic acid molecular structure, this study introduces a Cl atom at this site, leading to the synthesis of a novel collector, 2-chloro-9-octadecenoic acid (2-Cl-9-ODA).

Abstract: Since the physical and chemical properties of apatite and dolomite can be similar, the separation of these two minerals is difficult. Therefore, when performing this …