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Vol 202
Pages:
88
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About directions of stabilization grain size metallurgical alumina

Authors:
V. N. Brichkin1
E. E. Gordyushenkov2
V. V. Vasilev3
E. A. Alekseeva4
About authors
  • 1 — National Mineral Resources University (Mining University)
  • 2 — National Mineral Resources University (Mining University)
  • 3 — National Mineral Resources University (Mining University)
  • 4 — National Mineral Resources University (Mining University)
Date submitted:
2012-09-05
Date accepted:
2012-11-15
Date published:
2013-03-01

Abstract

The materials physical and chemical analysis of the reasons of instability particle size distribution of productional of aluminum hydroxide in the processing of bauxite by Bayer process. Shown that the frequency of changes in the properties precipitate Al(OH)3, formed during the precipitation of aluminate solutions determined by the dependence of  the growth  processes on   the relative supersaturation of the system per unit area of the seed. Found determines the influence of concentration injected seed aluminum hydroxide and its active  surface  (which  varies under the influence of impurities in the aluminate solution) on the parameters of the periodic changes in the properties of  sediment.

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References

  1. Васильева О.Ю. Управление зародышеобразованием с использованием системы автоматического анализа изображения «Видеотест» // Цветные металлы. 2005.
  2. № 6. С.53-55.
  3. Гарел Д. Колебательные химические реакции /
  4. Д.Гарел, О.Гарел. М., 1986. 148 с.
  5. Кузнецов И.А. Пути получения крупнокристаллического гидроксида алюминия на Уральском алюминиевом заводе / И.А.Кузнецов, В.С.Черноскутов, М.А.Пересторонина и др. // Цветные металлы. 2007. № 1. С. 57-62.
  6. Луцкая Л.П. Проблемы освоения производства укрупненного глинозема на Богословском алюминиевом заводе / Л.П.Луцкая, Е.А.Рубан, О.Ю.Васильева // Цветные металлы. 2006. № 5. С.17-19.
  7. Пригожин И. Введение в термодинамику необратимых процессов. М., 1960. 127 с.

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