The kinetics of the dissolution of monoclinic pyrrhotite in aqueous acidic solutions

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 1982 English Publisher:Springer Science and Business Media LLCJournal:Monatshefte für Chemie - Chemical Monthly, volume 113, pages 1,087-1,092 (issn: 0026-9247, eissn: 1434-4475,

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Authors: Jerzy Bugajski; Heinz Gamsjäger;

doi: 10.1007/bf00808622

The kinetics of the dissolution of monoclinic pyrrhotite in aqueous acidic solutions

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Abstract

Using the rotating disc method, the rates of dissolution of natural monoclinic pyrrhotite, FeS1.14, in oxygen-free aqueous solutionsS([H+]=0.1, [Na+]=0.9, [ClO 4 − ]=1.0 mol kg−1) were determined. In the temperature range 40–90 °C the dissolution reaction occurs under kinetic control; the activation energy being 14±1 kcal mol−1 (50±5 kJ mol−1).

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University of Leoben
Austria

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