PROCESS OF PRODUCING A TITANIUM DIOXIDE-BASED PHOTOCATALYST USED FOR DEGRADATION OF ORGANIC POLLUTANTS
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United States of America Patent
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Issued Date -
Jan 9, 2014
app pub date -
Jan 11, 2013
filing date -
Jul 9, 2012
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Abandoned
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Abstract
A process of producing a titanium dioxide-based photocatalyst used for degradation of organic pollutants includes the steps of: (a) preparing a mixture solution which includes a titanium dioxide precursor and a transition metal salt having a transition metal ion which is capable of reducing a band gap of titanium dioxide; (b) aging the mixture solution so as to obtain a gel; (c) treating the gel to form an ion-doped titanium dioxide; (d) depositing silver nanoparticles on the ion-doped titanium dioxide to obtain a modified titanium dioxide-based photocatalyst; and (e) calcining the modified titanium dioxide-based photocatalyst.
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