Dissolution of Thermally Dehydrated Ulexite in Sulfuric Acid Solution

Dissolution of Thermally Dehydrated Ulexite in Sulfuric Acid Solution

The present study concerns a work on the investigation of the effect of the dehydration temperature on the dissolution process of a boron mineral, ulexite, in sulfuric acid solution. In the experiments, the dehydration temperature and dissolution temperature were chosen as the parameters. First, the...

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Veröffentlicht in:Industrial & engineering chemistry research 1997-11, Vol.36 (11), p.4847-4851
Hauptverfasser: Künkül, A, Tunç, M, Yapıcı, S, Erşahan, H, Kocakerim, M. M
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Chemistry
Exact sciences and technology
Inorganic chemistry and origins of life
Kinetics and mechanism of reactions
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container_end_page 4851
container_issue 11
container_start_page 4847
container_title Industrial & engineering chemistry research
container_volume 36
creator Künkül, A
Tunç, M
Yapıcı, S
Erşahan, H
Kocakerim, M. M
description The present study concerns a work on the investigation of the effect of the dehydration temperature on the dissolution process of a boron mineral, ulexite, in sulfuric acid solution. In the experiments, the dehydration temperature and dissolution temperature were chosen as the parameters. First, the dehydration of ulexite was performed isothermally in an oven, and DTA and X-ray analysis were carried out to observe the structural changes in the mineral. The effect of the dehydration temperature on the dissolution rate of ulexite in sulfuric acid solutions was then investigated, using a batch reactor made of glass. The kinetic parameters of the dissolution process, frequency factor and activation energy, were evaluated using dissolution data.
doi_str_mv 10.1021/ie9702136
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Exact sciences and technology
Inorganic chemistry and origins of life
Kinetics and mechanism of reactions
title Dissolution of Thermally Dehydrated Ulexite in Sulfuric Acid Solution
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