Issue 8, 1985

Dehydration of sodium carbonate monohydrate

Abstract

The kinetics and mechanism of the thermal decomposition of solid sodium carbonate monohydrate have been studied between 336 and 400 K at water-vapour pressures up to 20 kN m–2. The dehydration follows Avrami–Erofeyev kinetics (n= 2) with a limiting activation energy of 71.5 kJ mol–1 and a frequency factor of 2.2 × 107 S–1. The reaction rate is reduced by increasing the water-vapour pressure and this has been accounted for in terms of competition from the rehydration reaction.

Article information

Article type
Paper

J. Chem. Soc., Faraday Trans. 1, 1985,81, 1761-1766

Dehydration of sodium carbonate monohydrate

M. C. Ball, C. M. Snelling and A. N. Strachan, J. Chem. Soc., Faraday Trans. 1, 1985, 81, 1761 DOI: 10.1039/F19858101761

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