The process of obtaining quartz sand size fraction -0.4 + 0.05 mm for use in water glass production

  • Slavica R. Mihajlović Institute for Technology of Nuclear and Other Mineral Raw Materials, Franchet d`Esperey 86, 11000 Belgrade, Serbia
  • Živko T. Sekulić Institute for Technology of Nuclear and Other Mineral Raw Materials, Franchet d`Esperey 86, 11000 Belgrade, Serbia
  • Marina S. Blagojev Institute for Technology of Nuclear and Other Mineral Raw Materials, Franchet d`Esperey 86, 11000 Belgrade, Serbia
  • Miroslav R. Ignjatović Institute for Technology of Nuclear and Other Mineral Raw Materials, Franchet d`Esperey 86, 11000 Belgrade, Serbia
Keywords: quartz sand, separation;, magnetic separation, water glass

Abstract

The paper presents the process of quartz sand processing from the „Bijela Stijena“-Skočić deposit in the plant „Kesogradnja d.o.o.“ at Kozluk near Zvornik, Republic of Srpska. Bearing in mind the fact that this quartz sand is used for water glass production in the company „Birač“ - Zvornik or „Alumina“ Zvornik, it was necessary to meet the quality requirements prescribed by that industrial production. Thus, the required size was -0.4+0.05 mm and the Fe2O3 content was maximum of 0.04%. Based on the laboratory tests, a technological scheme for the quartz raw material valorization was conceived in the separation of the company „Kesogradnja d.o.o.“. The obtained results showed that quartz sand for water glass size fraction -0.4+0.05 mm could be obtained in the plant. Also, by introducing a magnetic concentration after washing and grading, the Fe2O3 content was reduced from 0.131% as it is in the initial sample to 0.038% which meets the required conditions from the water glass producers.

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Published
2019-03-31
Section
Technical papers