— 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…
— For the flotation of artificial mixed ore, the separation efficiency E (%) was used to evaluate the separation effect, and was calculated as follows [20]: (2) E = ε-γ ε m a x-γ o p t × 100 % where ε max is the theoretical maximum recovery, %; and γ opt the theoretical maximum yield, %.. For mixed mineral flotation, ε max was set to and γ …
— 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 …
— 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, …
— DOI: 10.1016/j.mineng.2021.107323 Corpus ID: 244818825; Impact of geological origin on flotation separation of apatite from dolomite using β-naphthyl sulfonate formaldehyde condensate as depressant
— 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 ...
— Achieving the selective separation of apatite and dolomite necessitates the incorporation of flotation depressants along with oleic acid. The selective adsorption of depressants on dolomite surface, inhibiting its flotation, characterizes the flotation process as the direct flotation separation of apatite and dolomite (Gong et al., 2023).
— In this study, to improve the removal efficiency of dolomite from apatite by direct flotation, hydrolytic polymaleic anhydride (HPMA) was introduced as an eco …
— 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 ...
— 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 ...
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 ...
DOI: 10.1016/j.seppur.2024.126967 Corpus ID: 268204473; Exploration of disodium methylenebis naphthalene sulfonatea as a novel depressant for the flotation separation of apatite from dolomite
— 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 …
— 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 ...
Abstract: 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 …
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 …
— Effect of an Environment-Friendly Depressant on the Flotation of Bastnaesite and Fluorite. To overcome the difficulty of separating bastnaesite from fluorite through …
DOI: 10.1016/j.apsusc.2022.153390 Corpus ID: 248148701; Flaxseed gum as new depressant in the separation of apatite and dolomite and its mechanism @article{Xie2022FlaxseedGA, title={Flaxseed gum as new depressant in the separation of apatite and dolomite and its mechanism}, author={Ruiqi Xie and Xiong Tong and Xian …
— 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.
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 ...
The flotation separation of apatite from dolomite using a fatty acid‐based collector and the mechanisms of adsorption. In this work, GJBW, a fatty acid‐based agent, was used as …
— 1. Introduction. Calcite and dolomite are frequently encountered in sedimentary ores alongside valuable minerals. Issues arise when these latter are calcium-bearing minerals too (Jiao et al., 2023, Pereira et al., 2023).Froth flotation is usually introduced in the upgrading process of this type of ores, especially in the absence of …
DOI: 10.1016/j.mineng.2021.107045 Corpus ID: 237696499; Flotation separation of scheelite and apatite by polysaccharide depressant xanthan gum @article{Zhong2021FlotationSO, title={Flotation separation of scheelite and apatite by polysaccharide depressant xanthan gum}, author={Chunhui Zhong and Hui-hui Wang …
DOI: 10.1016/j.gsme.2024.03.002 Corpus ID: 268715167; Effects of ultrasonic treatment on the flotation behavior of magnesite and dolomite in a sodium oleate system @article{Yin2024EffectsOU, title={Effects of ultrasonic treatment on the flotation behavior of magnesite and dolomite in a sodium oleate system}, author={Wan-zhong Yin and Ying …
DOI: 10.1016/j.mineng.2021.107276 Corpus ID: 243905022; A green depressant iminodisuccinic acid (IDS) for apatite-dolomite separation and its interaction mechanism @article{Zeng2022AGD, title={A green depressant iminodisuccinic acid (IDS) for apatite-dolomite separation and its interaction mechanism}, author={Mengyuan Zeng and …
— In this study, a selective depressant sodium alginate (SA) was used to improve the flotation performance of separating apatite from dolomite. The flotation …
— 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 …
— 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 …
— Abstract. In this study, a selective depressant sodium alginate (SA) was used to improve the flotation performance of separating apatite from dolomite. The flotation …
— This collector is utilised in the flotation separation of apatite from its associated carbonate gangue minerals, dolomite and calcite. Flotation experiments reveal that the application of 2-Cl-9-ODA collector, in conjunction with sodium pyrophosphate (NaPP) inhibitor, facilitates the effective separation of these three minerals.
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 …