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Flotation is the most widely used beneficiation method for fine materials, and almost all ores can be separated by flotation. Another important application is to reduce ash in fine coal and to remove fine pyrite from coal. The flotation machine is mechanical equipment for realizing the froth flotation process and separating target minerals from ore.
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Quartz is often symbiotic with feldspar silicate minerals, which is difficult to separate and purify because of their similar physical and chemical properties. Flotation is the most effective method for the separation of quartz and feldspar. The main flotation methods for the separation of quartz and feldspar, such as hydrofluoric acid method, …
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This paper reviews the application of flotation for the separation of feldspar from the other minerals with which it naturally occurs (such as quartz, clay minerals, mica, ilmenite, rutile, anatase and magnetite) as well as the separation of the individual feldspar minerals themselves. Much of the published information on feldspar flotation ...
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The physical and chemical properties of feldspar and quartz are highly similar, thus they cannot be easily separated effectively. In this work, the flotation separation of feldspar from quartz using sodium fluosilicate (Na2SiF6; SF) as a selective depressant was investigated. Moreover, the influence mechanism of SF on the …
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In this paper, the authors introduce a new flotation technique, a double collection flotation precess, which succeeds in separating feldspar from quartz effectively in weak acidic …
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Feldspar and quartz are the primary industrial raw materials for preparing glass and ceramics [1,2,3].Given the increasing depletion of high-quality natural mineral resources, the separation and enrichment of quartz and feldspar from mixed deposits …
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An alternative process which exhibited effective separation of quartz and feldspar while recycling the tailwater from the flotation was proposed. ... A portion of the −76 + 38 µm minerals were HF pretreated …
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The zeta potential of the feldspar becomes more negative with the addition of EDTA at pH 2, and the separation of feldspars from quartz is enhanced in the batch cell flotation tests. Show abstract. Feldspar is a valuable raw material in the manufacture of glass, ceramic, fillers, enamel frits, and welding electrodes. ...
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Hefei Mingde Optoelectronic Technology Co., Ltd. is a domestic high-tech enterprisespecializing in R&D,production and sales of industrial and mining intelligent sorting equipment,which located in a national science and education city-Hefei,owning a production and research base covered an area of 40 acres, with 20,000 square meters …
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Conclusion. In this study, a methodology for separating quartz was developed and tested on sediment and rock samples from the Himalaya. Method was …
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We achieved separation of quartz from feldspar with a newly built flotation cell for our feldspar-rich samples from the Pamir, Central Asia. Introducing flotation to the sample preparation procedure ensures quartz enrichment and mitigates problems related to contaminations with other mineral phases in 10 Be and 26 Al cosmogenic nuclide dating ...
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Beneficiation by Flotation of feldspar is well established. It is a simple matter by flotation to remove the contaminating impurities and keep the alumina (Al2O3) content at 19% even on low grade feldspar ores. Dry recovery methods are economically limited to about 17% Al2O3. The problem in feldspar flotation is to recover slime free granular ...
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DOI: 10.1007/s12598-024-02629-5 Corpus ID: 267527006; Flotation separation of feldspar from quartz using sodium fluosilicate as a selective depressant @article{Hu2024FlotationSO, title={Flotation separation of feldspar from quartz using sodium fluosilicate as a selective depressant}, author={Xin Hu and Xianping Luo and Zi …
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Feldspar-quartz separation is activated only at a low pH of about 2.5 using HF, which suppresses quartz and activates feldspar (Shehu at ai, 1999; Celik, 2001; Vidyadhar at ... sample in a self-aerated Denver flotation machine, equipped with a 1.5-L cell. A sample of about 300 g was mixed with 1,200 mL tap water at an impellar speed of 1,200 ...
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After the artificial selection of lepidolite and feldspar used in the experiment, large pieces of lepidolite and feldspar were selected and cut for the contact angle experiment, and the remaining minerals were crushed and screened to generate products with particle sizes of 38–74 μm and −38 μm, which were used for the flotation experiment and analysis …
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The present researches on the flotation of quartz and feldspar are based on single mineral and artificial mixed minerals flotation tests. The separation processes can be categorized into three types, as shown in Table 1 (Karaguzel et al., 2006, Larsen and Kleiv, 2016, O'meara, et al., 1939, Sekulić et al., 2004, Xie et al., 2021a).Although the fluorine …
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Abstract. Feldspar and quartz are similar in composition and structure, and hence, they exhibit low flotation separation efficiency in acid or alkaline conditions and …
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Protocols have been developed to extract pure quartz from the sediment, e.g., the separation of quartz from feldspar and other heavy minerals can be achieved by applying 2-step density separation. This is followed by HF leaching which usually removes the feldspar contamination from the quartz (if any left).
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