Phase Formation Processes in Natural Magnesium Silicates of Various Structures by Ammonium Fluoride Treatment

Sh M. Sharafeev, V. M. Pogrebenkov

Результат исследований: Материалы для журналаСтатьярецензирование

Аннотация

The processes of forsterite, enstatite, and talc treatment by ammonium fluoride have been studied. The phase-formation processes occurring during firing of fluorinated minerals were studied. It was established that structural silica of the minerals reacts with ammonium hydrogen difluoride with the formation of ammonium hexafluorosilicate, sublimation of which leads to removal of structural silica from the minerals with partial destruction of their structure. The firing of fluorinated minerals leads to their structural transformation with formation of magnesium nesosilicates and fluoronesosilicates.

Язык оригиналаАнглийский
Страницы (с-по)200-206
Число страниц7
ЖурналRefractories and Industrial Ceramics
Том61
Номер выпуска2
DOI
СостояниеОпубликовано - 1 июл 2020

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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