The flotation performance of dolomite and apatite in the phosphate (H 3 PO 4) system treated with sodium oleate (NaOl) and GJBW, respectively, was studied and compared. Microheat tests, surface characterization, and flotation solution chemistry calculations were used to evaluate the adsorption mechanism of GJBW onto dolomite.
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 …
To achieve flotation separation of apatite and dolomite, depressants are required, but conventional depressants have several drawbacks. Hence, the development of effective and environmentally friendly depressants is of great importance. This study aimed to investigate the depressive effect of gallic acid (GA) on the flotation separation 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 …
Herein, the depression effect of P (AA-AMPS) on the separation of apatite from dolomite was investigated by flotation experiments. Meanwhile, its mechanisms of selective depression were revealed via zeta-potential characterization, adsorption capacity tests, infrared spectral (IR) studies, and X-ray photoelectron spectroscopy (XPS) detection.
The curve of apatite and dolomite flotation recovery with pH variation was shown in Fig. 2.When the system only added 40 mg/L NaOL as the collector, both of the apatite and dolomite showed a high recovery, which was consistent with the previous research [17], [25].The recovery of dolomite was slightly higher than that of apatite, …
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 …
To explore the impact of PAMS on the flotation separation of apatite from dolomite, the flotation experiments on mixed apatite and dolomite minerals as feed …
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 …
An eco-friendly depressant DMNS was selected in the separation of apatite from dolomite. It could be obtained from the micro-flotation that good flotation recoveries of apatite and dolomite realized when using 2 × 10 −4 mol/L NaOl. The utilization of 10 mg/L DMNS depressant could completely depress the dolomite flotation while it has a ...
The flotation separation of magnesium-bearing carbonates (magnesite and dolomite) from non-salt-type minerals (hematite, gold-bearing sulfides, and monazite) is typically less difficult as ...
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 …
The flotation performance of dolomite and apatite in the phosphate (H 3 PO 4) system treated with sodium oleate (NaOl) and GJBW, respectively, was studied and compared. Microheat tests, …
Moreover, it will investigate the flotation response of dolomite (which is one of the major gangue minerals in the Niobec rare earth deposit), providing information on flotation conditions where separation from monazite are possible. General classification of collector adsorption mechanisms is physisorption and chemisorption (Bulatovic, 2007a).
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 ...
DOI: 10.1016/j.apt.2023.104022 Corpus ID: 257907425; The utilization of tamarind seed gum as a novel dolomite depressant in the selective flotation of apatite from dolomite
onate has depressant effect on both apatite and dolomite, but the depressant effect on dolomite is stronger. When the dosage of calcium lignosulfonate is 20 mg·L−1, the huge dif-ference in recovery between dolomite and apatite indicates that calcium lignosulfonate can separate dolomite and apatite. Flotation separation test of artificial ...
To explore the impact of PAMS on the flotation separation of apatite from dolomite, the flotation experiments on mixed apatite and dolomite minerals as feed were performed at pH 9.00, and the results are presented in Table 1. It is worth noting that the mass ratio of apatite and dolomite was 1:1 and the grade of P 2 O 5 was 20.36% in …
In this study, a selective depressant sodium alginate (SA) was used to improve the flotation performance of separating apatite from dolomite. The flotation results …
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 effects of Ca2+, Mg2+, Al3+, and Fe3+ on the flotation behaviors of apatite, dolomite and quartz were investigated through a micro-flotation test, and the influence of calcium ions on the flotation of …
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 ...
The flotation separation of apatite and dolomite poses a long-standing challenge in the mineral processing industry because of their similar physicochemical properties. In this study, phosphoric acid (H 3 PO 4) and sulfuric acid (H 2 SO 4) were used as inhibitors for fluorapatite.
The flotation results showed that GA had a significant depressive effect on calcite but not on apatite. The separation of apatite from calcite was realized by adding 50 mg/L of the depressant GA followed by 0.5 × 10−4 mol/L of the collector sodium oleate (NaOl) at pH 7–11. The contact angle measurements showed that GA considerably …
Effect of Sodium Pyrophosphate on the Reverse Flotation of Dolomite from Apatite. Yanfei Chen Q. Feng Guofan Zhang Dezhi Liu Runzhe Liu. Materials Science, Environmental Science. 2018. In this study, the effect of sodium pyrophosphate (NaPP) on the separation of apatite from dolomite by flotation was systematically investigated.
The flotation results showed that GA had a significant depressive effect on calcite but not on apatite. The separation of apatite from calcite was realized by adding 50 mg/L of the depressant GA followed by 0.5 × 10 −4 mol/L of the collector sodium oleate (NaOl) at pH 7–11. The contact angle measurements showed that GA considerably ...
DOI: 10.1016/j.powtec.2020.07.007 Corpus ID: 225387924; The role of sodium alginate in the flotation separation of apatite and dolomite @article{Zhong2020TheRO, title={The …
The flotation separation of apatite and dolomite poses a long-standing challenge in the mineral processing industry because of their similar physicochemical properties. In this study, phosphoric acid (H 3 PO 4) and sulfuric acid (H 2 SO 4) were used as inhibitors for fluorapatite.
In this study, a selective depressant sodium alginate (SA) was used to improve the flotation performance of separating apatite from dolomite. The flotation results show that SA can completely ...
A selective dolomite flotation process has recently been developed at the University of Florida whereby a two stage conditioning technique is utilized to remove MgO impurities. Previous investigations have mainly involved studies on synthetic apatite/dolomite mixtures in a microflotation (Hallimond) cell. The collectors employed …
In this study, a selective depressant sodium alginate (SA) was used to improve the flotation performance of separating apatite from dolomite The flotation results show that SA can completely depress dolomite with a slight effect on apatite flotation in pH 8–11 The contact angle tests and adsorption tests indicate that depressant SA absorbed onto both …
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, …
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 …
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 …
@article{Ge2023TheIM, title={The interaction mechanism of a novel polymer depressant with apatite and dolomite surface and its implication on flotation: Experimental tests and DFT calculation}, author={Ruiqi Ge and Bingqiao Yang and Bing Deng and Hui Shao and Yimei Xiao and Rudolph Martin and Huihua Luo and Hanquan Zhang}, journal={Applied ...
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 …
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 ...
To achieve flotation separation of apatite and dolomite, depressants are required, but conventional depressants have several drawbacks. Hence, the …