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Vol 202
Pages:
27-30
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RUS
Article

Intensification of carbon aluminates technology of superdeep desilication on the basis of the catalytic properties of the hydro granate sludge

Authors:
V. M. Sizyakov1
E. S. Kononenko2
A. I. Snegurova3
About authors
  • 1 — Ph.D., Dr.Sci. professor National Mineral Resources University (Mining University)
  • 2 — post-graduate student National Mineral Resources University (Mining University)
  • 3 — student National Mineral Resources University (Mining University)
Date submitted:
2012-09-12
Date accepted:
2012-11-07
Date published:
2013-04-29

Abstract

The results of laboratory studies on super deep desilication of alumina liquors based on hidrocarboalyuminat calcium supplements 4CaO×Al2O3×0,5CO2×11H2O in advance of entering into the process of working hydrogranat sludge. Obtained qualitatively new alumina liquors with a silicon module (weight ratio Al2O3/SiO2) of 50 000 units. Impact of type-ahead hydrogranat sludge to a desilication depth given from the viewpoint of heterogeneous catalysis.

Область исследования:
(Archived) Without section
Keywords:
alumina liquors super deep desilication hidrocarboalyuminat hydrogranat sludge silicon module
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References

  1. Brichkin V.N. Processes of mass crystallization from solutions in the production of alumina / V.N.Brichkin, V.M.Sizyakov. Saint-Petersburg, 2005. 134 p.
  2. Pat.1556525 Russian Federation. A method of producing an unsaturated solid solution of anhydride sulfuric acid and (or) carbonic acid in the tetracalcium hydroaluminater / V.M.Sizyakov, H.A.Badalyants, I.M.Kostin, E.A.Isakov. Publ. 15.12.1994.
  3. Sizyakov V.M. Development of theoretical principles and technology of alumina production of high quality and new-product integrated processing alkali aluminosilicates: The author ... dr. in eng. sc. Leningrad, 1983. 40 p.
  4. Sizyakov V.M. Synthesis of calcium hydrocar-boaluminates in the CaCO3–NaAl(OH)4–NaOH ̇H2O system/ V.M.Sizyakov, E.V.Sizyakova, A.A.Volkova // Siberian nonferrous metals. Krasnoyarsk. 2010. P.379-383
  5. Sizjakov V.M. Theory and practice of desiliconization of aluminate solutions. Moscow, 1971. P.48-61.
  6. Sizyakov V.M. On the stability of various gidrogranatov and tricalcium gidroalyuminata in sodium hydroxide solution at 30-40 C / V.M.Sizyakov, M.N.Smirnov // Nonferrous metals. 1969. N 6. P.56-59.
  7. Sizyakov V.M. Some reasons for different stability gidrogranatov and tricalcium gidroalyuminata in solutions of sodium hydroxide / V.M.Sizyakov, M.G.Smirnov // Nonfer-rous metals. 1969. N 10. P.47-50.

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