A technological complex was developed in order to remove clay minerals, iron oxide, and fractions heavier than 2.9 tons/m3 from glass quartz sands. The basis of the scheme of the apparatus chain of the complex consists of a trammel screen with a new design, jigs, and concentration tables with electromagnetic inductors. It was shown under laboratory conditions that sand in the highest demand — VS-030-V grade — was obtained from sands containing (by weight): 97.32% SiO2, 0.92% Al2O3, 0.43% Fe2O3, 0.11% TiO2, and 0.04% Cr2O3. A distinguishing feature of the technological scheme of gravity separation of sands is the counterflow motion of the initial feed and the heavy fraction.
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Here and below, the weight fraction, %.
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The article is based on work performed as part of the grant No. 14.577.21.0142 dated November 28, 2014. The unique identifier of the applied scientific research and experimental development work is RFMEFI57714X0142.
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Translated from Steklo i Keramika, No. 8, pp. 15 – 20, August, 2016.
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Evdokimov, S.I., Galachieva, S.V., Puzin, V.S. et al. Development of a Technological Complex for Washing Sand. Glass Ceram 73, 288–292 (2016). https://doi.org/10.1007/s10717-016-9874-z
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DOI: https://doi.org/10.1007/s10717-016-9874-z