Photodegradation catalyst and photodegradation catalyst precursor comprising metal halide or metal oxyhalide
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United States of America Patent
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Jun 10, 2014
Grant Date -
Aug 12, 2010
app pub date -
Jun 1, 2007
filing date -
Jun 1, 2007
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Abstract
A photodegradation catalyst or a photodegradation catalyst precursor comprises a plurality of domains of an oxide of a first metal distributed in a substrate of a halide or oxyhalide of a second metal, wherein the mole percentage of the halide or oxyhalide of the second metal is above 50%. Additionally, a method of preparing a photodegradation catalyst or a photodegradation catalyst precursor, a photodegradation catalyst or a photodegradation catalyst precursor obtained from the method and a method of treating organic pollutants or substances in air or water by using the photodegradation catalyst or the photodegradation catalyst precursor are illustrated.
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