Vaporization study of sodium sulphate — potassium sulphate binary system by Knudsen effusion mass spectrometry

K. Armatys; M. Miller; A. Matraszek; A. Wolter

doi:10.2478/s13536-011-0016-6

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Vaporization study of sodium sulphate — potassium sulphate binary system by Knudsen effusion mass spectrometry

Materials Science-Poland

Volume 29 (2011): Issue 2 (June 2011)

By: K. Armatys, M. Miller, A. Matraszek and A. Wolter

Open Access

|Dec 2011

Abstract

The vaporization of samples of different chemical and phase compositions in the Na2SO4-K2SO4 system was investigated over the temperature range 1100 K–1400 K by the use of Knudsen effusion mass spectrometry. The gaseous species Na(g), Na2SO4(g), K(g), K2SO4(g), SO2(g), O2(g) and NaKSO4(g) were identified in the vapour over the samples investigated. The thermodynamic activities of sulphates in the examined system at 1350 K were obtained, which allowed calculating the chemical composition of the vapours present in the high temperature zone of cement kilns.

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Articles in this issue

DOI: https://doi.org/10.2478/s13536-011-0016-6 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331

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Language: English

Page range: 77 - 85

Published on: Dec 27, 2011

Published by: Wroclaw University of Science and Technology

In partnership with: Paradigm Publishing Services

Publication frequency: 4 issues per year

Keywords:

sulphates vaporization,

high temperature mass spectrometry,

thermodynamic activities,

clinker burning

Related subjects:

Materials sciences,

Materials sciences, other,

Nanomaterials,

Functional and smart materials,

Materials characterization and properties

© 2011 K. Armatys, M. Miller, A. Matraszek, A. Wolter, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Volume 29 (2011): Issue 2 (June 2011)