Liquidus Curves of NH 4 NO 3 (aq) Calculated from the Modified Adsorption Isotherm Model for Aqueous Electrolytes

Authors: Rains, William; Counce, Robert

Source: Separation Science and Technology, Volume 41, Number 11, 2006 , pp. 2629-2634(6)

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Abstract:

The Stokes‐Robinson modification of the Brunauer‐Emmett‐Teller (BET) adsorption isotherm is used to calculate the liquidus curve of NaNO 3 (aq) including the eutectic point and metastable phases. The method described here represents a simplified approach to predict the liquidus curves with sparse information and considers the presence of several crystalline solid phases of NH 4 NO 3 .

Keywords: Activity coefficients; aqueous electrolyte; Brunauer‐Emmett‐Teller (BET); absorption isotherm; eutectic

Document Type: Research article

DOI: http://dx.doi.org/10.1080/01496390600743045

Affiliations: 1: Nuclear Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA

Publication date: 2006-01-01