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Vol 202
Pages:
44
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RUS

Hydrochemical processing of red sludge «Aluminium of Kazakhstan» JSC

Authors:
S. V. Budon1
A. T. Ibragimov2
O. I. Mikhailova3
V. V. Medvedev4
About authors
  • 1 — Research & Discovery Centre of «Aluminium of Kazakhstan» JSC
  • 2 — Research & Discovery Centre of «Aluminium of Kazakhstan» JSC
  • 3 — Research & Discovery Centre of «Aluminium of Kazakhstan» JSC
  • 4 — Alumina production, «ALCORUS» Co Ltd
Date submitted:
2012-09-26
Date accepted:
2012-11-13
Date published:
2013-04-29

Abstract

The impact of operating conditions of red sludge autoclave leaching with high-modulus alkali-aluminate solutions such as duration, temperature, limestone dosing rate, caustic alkali concentration, and pulp liquid-to-solid ratio on extraction of valuable components: alumina and alkali has been explored. The behavior of hydrogarnet sludge during thickening, washing and filtration has been checked under laboratory conditions. Researches were held and optimum parameters of solutions’ caustic module conversion have been chosen. The optimum alternative of process chart of hydrochemical branch as applied to red sludge processing at «Aluminium of Kazakhstan» JSC has been  chosen.

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References

  1. Гидрогранатовая технология переработки бокситового сырья как современная альтернатива способу Байерспекание / В.В.Медведев, С.Н.Ахмедов, В.М.Сизяков, В.П.Ланкин, А.И.Киселев // Цветные металлы. 2003. № 11. С.58-62.
  2. Ни Л.П. Переработка высокожелезистых бокситов /
  3. Л.П.Ни, М.М.Гольдман, Т.В.Соленко. М., 1979. 102 с.
  4. Пономарев В.Д. Химия и технология глинозема. Т.1. Алма-Ата, 1973. 391 с.
  5. Производство глинозема / А.И.Лайнер, Н.И.Еремин, Ю.А.Лайнер, И.З.Певзнер. М., 1978. 344 с.
  6. Сажин В.С. Новые гидрохимические способы комплексной переработки алюмосиликатов и высоко-кремнистых бокситов. М., 1988. 216 с.

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