Crystallization of calcium in the hydrocarboaluminates in the system CaCO3 – Na2O – Al2O3 – H2O
About authors
- 1 — Ph.D., Dr.Sci. professor National Mineral Resources University (University of Mines)
- 2 — Ph.D. assistant National Mineral Resources University (University of Mines)
- 3 — post-graduate student National Mineral Resources University (University of Mines)
Abstract
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.
Область исследования:
(Archived) Technologies in chemistry, concentration and metallurgy. Safety problems
References
- Sizy akov V.M. Synthesis and physico-chemicalproperties of calcium hydrocarboaluminates / V.M.Sizyakov, G.M.Vysotskaya, D.I.Tsehovolskaya // Non- ferrous metals. 1974. N 9. P.28-30.
- Sizyakov V.M. On the mechanism of formation of calcium hydrocarboaluminates and its transition in tricalcium hydroalluminates // Journal of Applied Chemistry. 1998. Vol. 71. Issue 6. P. 1390-1392.
- Sizyakov V.M. Some regularities of co-crystallization of hydro-carbonate, and sulfoalyuminatnyh phases of calcium and magnesium in the system MgO – CaO – Al2O3 – Na2O – CO2 – SO2 – H2O / Non-ferrous metals. 2000. N 1. P.28- 29.
- Sizyakov V.M. The stability of hydrocarbo-aluminates compounds in the system Na2O-Al2O3-CaO -CO2-H2O / V.M.Sizyakov, L.A.Myund. // Journal of Applied Chemistry. 1998. Vol. 71. Issue 8. P. 1388-1390.
- Sizyakov V.M. Development of technology of complex processing of large-scale waste fertilizer to produce commodity products of multi-purpose // The catalog of innovative developments in the primacy of the direction of «Environmental management». 2011. Issue 5. P.56-60.
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