Granulated Anti-Icing Reagent on the Basis of Dehydrated Magnesium and Calcium Nitrates

The phase composition of the product of thermal dehydration of a mixture of crystallohydrates of magnesium and calcium nitrates with a bulk composition Mg(NO 3 ) 2 · Ca(NO 3 ) 2 ⋅ 2.7H 2 O is determined via X-ray phase analysis and its IR spectrum is obtained. It is found that the sample solidifies...

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Veröffentlicht in:Theoretical foundations of chemical engineering 2019-07, Vol.53 (4), p.609-611
Hauptverfasser: Danilov, V. P., Kondakov, D. F., Frolova, E. A., Demina, L. I., Sveshnikova, L. B., Nikiforova, G. E.
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Sprache:eng
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Zusammenfassung:The phase composition of the product of thermal dehydration of a mixture of crystallohydrates of magnesium and calcium nitrates with a bulk composition Mg(NO 3 ) 2 · Ca(NO 3 ) 2 ⋅ 2.7H 2 O is determined via X-ray phase analysis and its IR spectrum is obtained. It is found that the sample solidifies upon cooling to form a compact nonhygroscopic mass. A sample with a higher concentration of water is hygroscopic and deliquescent in air. Deeper dehydration is accompanied by hydrolysis with the formation of basic salts. The anti-icing properties of the dehydrated nitrate sample are determined.
ISSN:0040-5795
1608-3431
DOI:10.1134/S0040579519040031