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Investigation of reaction products of sulphuric acid with ilmenite

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Abstract

The reaction of sulphuric acid with titanium raw materials runs violently with simultaneous emission of gases. Such run of reaction creates danger of explosion. This process is very complicated from the reason of complexity of reactions and variety of compounds in reaction mixture. To determine safe conditions of reaction with high efficiency, it is necessary to investigate phase composition products of reaction.

Products of reaction were investigated by using X-ray diffraction. However reaction products show high amorphy and this is the reason of difficulties to determine all phases. For this reason also was used additional method — ‘drop’ calorimeter. This method is used for determination of average specific heat of liquid or solid samples. In this case, this method was used for verification of phase composition of products of reaction.

On the basis of investigation the phase composition of reaction product is following: titanyl sulfate, iron(III) sulfate, monohydrated iron(II) sulfate, magnesium sulfate and unreacted remainders of ilmenite and magnesium silicate.

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Authors and Affiliations

  1. Institute of Chemistry and Environmental Protection, Technical University of Szczecin, 71-065, Szczecin, Al. Piastów 42, Poland

    M. Jabłoński

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  1. M. Jabłoński
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Correspondence to M. Jabłoński.

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Jabłoński, M. Investigation of reaction products of sulphuric acid with ilmenite. J Therm Anal Calorim 93, 717–720 (2008). https://doi.org/10.1007/s10973-008-9134-8

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  • DOI: https://doi.org/10.1007/s10973-008-9134-8

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