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E. S. Kononenko
E. S. Kononenko
National Mineral Resources University (University of Mines)
National Mineral Resources University (University of Mines)

Articles

Without section
  • Date submitted
    2012-09-12
  • Date accepted
    2012-11-07
  • Date published
    2013-03-01

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

Article preview

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.

How to cite: Sizyakov V.M., Kononenko E.S., Snegurova A.I. Intensification of carbon aluminates technology of superdeep desilication on the basis of the catalytic properties of the hydro granate sludge // Journal of Mining Institute. 2013. Vol. 202. p. 27.
Without section
  • Date submitted
    2012-09-24
  • Date accepted
    2012-11-30
  • Date published
    2013-03-01

Technology super deep desiliconization with fractional dose hydrocarboaluminate of calcium

Article preview

The result of industrial tests of the technology super deep desiliconization of alumina liquors with fractional dose hydrocarboaluminate of calcium 4CaO×Al2O3×0,5CO2×11H2O. Due to this technology solution alumina liquors with higher silicon module (relative weight Al2O3/SiO2) without increasing lime carbonate expenditure.

How to cite: Sizyakov V.M., Kononenko E.S., Makarov S.N. Technology super deep desiliconization with fractional dose hydrocarboaluminate of calcium // Journal of Mining Institute. 2013. Vol. 202. p. 31.
Technologies in chemistry, concentration and metallurgy. Safety problems
  • Date submitted
    2011-09-06
  • Date accepted
    2011-11-09
  • Date published
    2012-03-01

Crystallization of calcium in the hydrocarboaluminates in the system CaCO3 – Na2O – Al2O3 – H2O

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The theoretical basis of the synthesis of calcium hydrocarboaluminates 4CaO×Al2O3×mCO2×11H2O based on the CaCO3 in the aluminate-base system. We construct the isotherm of metastable equilibria in the system CaCO3 – 4CaO×Al2O3×mCO2×11H2O – 3CaO×Al2O3×6H2O – NaAl(OH)4  – NaOH – H2O at 50, 70 and  90°C.

How to cite: Sizyakov V.M., Sizyakova E.V., Kononenko E.S. Crystallization of calcium in the hydrocarboaluminates in the system CaCO3 – Na2O – Al2O3 – H2O // Journal of Mining Institute. 2012. Vol. 197. p. 230.
Technologies in chemistry, concentration and metallurgy. Safety problems
  • Date submitted
    2011-09-27
  • Date accepted
    2011-11-27
  • Date published
    2012-03-01

Superdeep desiliconization aluminate solution based on calcium hydrocarboaluminates

Article preview

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 50000 units. Impact of type-ahead hydrogranat sludge to a desilication depth given from the viewpoint of heterogeneous catalysis. The results obtained can be used to solve the problem of diversification of production in the complex processing of phosphogypsum in the synthesis calcium hydrocarboaluminates on the basis of fosfomel.

How to cite: Sizyakov V.M., Kononenko E.S., Sizyakova E.V. Superdeep desiliconization aluminate solution based on calcium hydrocarboaluminates // Journal of Mining Institute. 2012. Vol. 197. p. 235.