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1983-4-1 · SELECTIVE FLOTATION OF SCHEELITE LII YONGXIN and LI CHANGGEN Beijing Institute of Mining and Metallurgy, Beijing (China) (Received April 13, 1982; revised and accepted September 30, 1982) ABSTRACT Yongxin, L. and Changgen, L., 1983. Selective flotation of scheelite from calcium minerals with sodium oleate as a collector and phosphates as modifiers
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2018-4-10 · The scheelite flotation costs are also accordingly reduced, which results in a considerable economic profit. The application of etidronic acid to improve scheelite flotation efficiency is successfully performed in the plant. Therefore, the etidronic acid may also be applicable to other plants in Luanchuan
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1994-10-1 · Scheelite was selectively floated from a low-grade calcitic run-of-mine ore (containing 0.28% WO 3, 96.3% CaCO 3 and 2.24% SiO 2) with a 70.6% WO 3 grade and a 70% recovery, using oleoyl sarcosine as collector, quebracho as depressant and alkyl oxine as modifier. A new scheme was developed in laboratory scale experiments to reach this grade and recovery
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2018-5-1 · 1. Introduction. Calcite is one of the most common gangue minerals in mineral processing .The efficient separation of calcite from valuable minerals has long been a focus and challenge in the field of mineral processing, and especially in the processing of calcium-containing minerals such as scheelite, fluorite, and apatite , , .Scheelite (CaWO 4) is an important tungsten-containing mineral
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2018-12-12 · An efficiently optimized reagent regime was investigated to improve scheelite heating flotation. The scheelite grade and recovery in the plant were
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In this paper, the modeling of the liberation of scheelite is presented. A pattern of concentration experiments was performed to investigate the scheelite liberation and distribution density calculation procedure. In this work, one sample from a Mittersill tungsten ore
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2018-6-30 · 1. Introduction. Scheelite (CaWO 4) is a typical tungstate mineral and usually coexists with the calcite (CaCO 3) and fluorite (CaF 2) in scheelite deposits, and flotation is the most commonly used technique to separate scheelite from calcite at the present day .The separation of scheelite and calcic gangue mineral particles by froth flotation is a challenge to the whole mineral processing
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The synergetic effect of four octaphenyl polyoxyethyienes (TX) on low temperature flotation of scheelite at 9–11 °C was investigated through flotation experiments, and the adsorption mechanism was studied by way of surface tension, zeta potential, and adsorption measurement. The results show that the presence of the four octaphenyl polyoxyethyienes can improve scheelite flotation
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2019-7-1 · The scheelite raw ore used in this study was obtained from the overflow of the ball mill in the flotation plant of XinTianling Mining concentration in Chenzhou, China, with a WO 3 grade of 0.20 wt%. The multi-elementary analysis results of the run-of-mine ore are shown in Table 1.The only tungsten mineral was scheelite, and was associated with calcite, garnet, feldspar, muscovite
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2018-5-1 · The ideal pH for scheelite flotation however ranges from 8 to 11 with some authors restricting it between 9 and 10 , , . A pH of 9 is usually given as the optimum regardless of the reagent combination. Different pH modifiers can be used in scheelite flotation, such as
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