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WhatsApp: +86 18221755073DOI: 10.1016/j.apsusc.2024.160428 Corpus ID: 270184201; Surface pretreatment of scheelite and cassiterite by gallic acid to achieve high efficiency flotation separation @article{Zheng2024SurfacePO, title={Surface pretreatment of scheelite and cassiterite by gallic acid to achieve high efficiency flotation separation}, author={Qifang Zheng and …
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WhatsApp: +86 18221755073The efficient separation of scheelite from apatite is still a big challenge by using froth flotation because of their similar surface's properties. ... Fe 2+ and Ca 2+, and it is can be used as scale and corrosion inhibitor for reducing equipment corrosion and pipeline scaling [20], [22], [23]. Moreover, the multi-phosphate groups in ATMP ...
WhatsApp: +86 182217550731. Introduction. Tungsten is a rare metal with strategic values. Wolframite and scheelite are the main raw materials for tungsten smelting (Harlaux et al., 2018, Gocha and Mineral Commodity Summary, 2015).However, due to the over-exploitation of wolframite in recent years, its resources are strained and Scheelite gradually receives …
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WhatsApp: +86 18221755073This research demonstrates an effective application of etidronic acid to improve the scheelite flotation efficiency and reduce the consumptions of energy and reagents. The cleaning recovery is significantly increased by 7%, and the cleaning cost is reduced by 17% accompanied with the efficient improvement of roughing grade from …
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WhatsApp: +86 18221755073Efficient extraction of scheelite using a NaOH-SiO_2 roasting and water leaching system was assessed. Initially, the NaOH-SiO_2 roasting process was thermodynamically analyzed using Δ G ^Θ − T diagrams of the possible reactions, which indicated that the CaWO_4 transforming to Na_2WO_4 and Na_2CaSiO_4 under …
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WhatsApp: +86 18221755073In this H 2 SO 4-H 2 O 2 system, tungsten in scheelite was decomposed to form water-soluble peroxytungstic acid, and the decomposition efficiency could reach over 99.3% (Yin et al., 2020, Zhang et al., 2020). Using alkaline decomposition to treat scheelite is a cleaner and more efficient approach (Gong et al., 2018b).
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WhatsApp: +86 182217550731. Introduction. Scheelite is the principle mineral of tungsten and is usually recovered by froth flotation. Froth flotation is a physico-chemical separation process that utilizes the difference in surface properties of the valuable minerals and the unwanted gangue minerals (Wills and Napier-Munn, 2005).Due to the brittle nature of scheelite …
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WhatsApp: +86 18221755073Due to the existence of large auxiliary material consumption, huge wastewater discharge, and high production cost in present tungsten extractive metallurgy practice, a novel technology featuring sulfuric acid conversion-ammonium salts leaching was proposed. Based on the complete conversion of tungsten minerals in sulfuric acid solution, this …
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