Calcination of titanium dioxide

A method for calcining titanium dioxide comprises monitoring the conversion of anatase titanium dioxide to rutile titanium dioxide by positioning an optical probe close to a calcination kiln and monitoring the Raman spectrum produced by the titanium dioxide. Control of the kiln operation is improved...

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Bibliographische Detailangaben
Hauptverfasser: TERENCE ARTHUR WILKINS, NEIL JOHN EVERALL, JEAN PIERRE BESSON, MALCOLM CHARLES MCIVOR, PETER WILLIAM BERT KING
Format: Patent
Sprache:eng
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Zusammenfassung:A method for calcining titanium dioxide comprises monitoring the conversion of anatase titanium dioxide to rutile titanium dioxide by positioning an optical probe close to a calcination kiln and monitoring the Raman spectrum produced by the titanium dioxide. Control of the kiln operation is improved because the method provides a more rapid feedback of the degree of conversion than traditional methods such as X-ray fluorescence.