Journal ArticleDOI
Isopiestic molalities for aqueous solutions of the alkali metal hydroxides at elevated temperatures
H.F. Holmes,R. E. Mesmer +1 more
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TLDR
In this paper, a simple model is presented from which activity and osmotic coefficients (atpsat) can be calculated as a function of molality for T=273.15 K to T=523.15 k.About:
This article is published in The Journal of Chemical Thermodynamics.The article was published on 1998-03-01. It has received 31 citations till now. The article focuses on the topics: Osmotic coefficient & Molality.read more
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A chemical equilibrium model of solution behavior and solubility in the H-Na-K-Ca-OH-Cl-HSO4-SO4-H2O system to high concentration and temperature
Christomir Christov,Nancy Møller +1 more
TL;DR: In this paper, the authors describe a chemical model that calculates solute and solvent activities and solid-liquid equilibria in the H-Na-K-OH-Cl-HSO 4 -SO 4 -H 2 O system from dilute to high solution concentration within the 0° to 250°C temperature range.
Journal ArticleDOI
Chemical equilibrium model of solution behavior and solubility in the H-Na-K-OH-Cl-HSO 4 -SO 4 -H 2 O system to high concentration and temperature 1 1Associate editor: D. J. Wesolowski
Christomir Christov,Nancy Møller +1 more
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Thermodynamic model for the solubility of thorium dioxide in the Na+-Cl--OH--H2O system at 23°C and 90°C
TL;DR: In this paper, the Pitzer ion-interaction model was used to predict thorium behavior in high-level waste repositories where higher than ambient temperatures are expected, and the results showed that when ThO2(am) is heated to 90°C, it transforms to a relatively insoluble and crystalline solid.
Journal ArticleDOI
Performance of a First-Generation, Aqueous-Alkaline Biocarbon Fuel Cell
Teppei Nunoura,Teppei Nunoura,Kiyoshi Dowaki,Chihiro Fushimi,Stephen Glen Allen,Stephen Glen Allen,Erika Mészáros,Michael Jerry Antal +7 more
TL;DR: In this article, the authors describe the performance of an aqueous-alkaline biocarbon fuel cell that generates power at temperatures of ∼500 K. This was achieved using a 6 M KO.
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Vapor pressures and isopiestic molalities of concentrated CaCl2(aq), CaBr2(aq), and NaCl(aq) to T = 523 K
TL;DR: In this article, the authors used a variant of extended Pitzer ion-interaction equations to calculate the osmotic coefficients for CaCl2(aq) and CaBr2(q) at high temperatures between (380.15 and 523.15) K in the range of water activities between 0.2 and 0.85.