Fluorine distribution during thermal treatment of sulfuric acid leaching products of complex beryllium raw materials at JSC UMP

A. N. Borsuk, I. I. Zherin, G. N. Amelina, I. Pivovarov

Research output: Contribution to journalConference article

Abstract

X-ray diffraction, infrared spectroscopy, thermogravimetry and mass spectrometry were employed to study the behavior and distribution of fluorine in sulfuric acid treatment of the melt of beryl-bertrandite-phenakite-fluorite concentrates with alkali fluxes. It was established that fluorine in a solid phase is predominantly present in the form of sodium and calcium fluorosilicates and in a gaseous phase it is evolved in the form of silicon tetrafluoride and fluorosulfonic acid.

Original languageEnglish
Article number012005
JournalIOP Conference Series: Materials Science and Engineering
Volume135
Issue number1
DOIs
Publication statusPublished - 2 Aug 2016
Event8th International Scientific Conference on Issues of Physics and Technology in Science, Industry and Medicine - Tomsk, Russian Federation
Duration: 1 Jun 20163 Jun 2016

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Uridine Monophosphate
Beryllium
Fluorine
Sulfuric acid
Leaching
Raw materials
Heat treatment
Fluorspar
Alkalies
Mass spectrometry
Thermogravimetric analysis
Infrared spectroscopy
Calcium
Sodium
Fluxes
X ray diffraction
Silicon
Acids
sulfuric acid
beryl

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

Cite this

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AU - Pivovarov, I.

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AB - X-ray diffraction, infrared spectroscopy, thermogravimetry and mass spectrometry were employed to study the behavior and distribution of fluorine in sulfuric acid treatment of the melt of beryl-bertrandite-phenakite-fluorite concentrates with alkali fluxes. It was established that fluorine in a solid phase is predominantly present in the form of sodium and calcium fluorosilicates and in a gaseous phase it is evolved in the form of silicon tetrafluoride and fluorosulfonic acid.

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