Method of quickly decomposing and removing an organic chlorine compound by a hollandite-type photocatalyst
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United States of America Patent
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-
Apr 8, 2003
Grant Date -
Oct 25, 2001
app pub date -
Mar 6, 2001
filing date -
Mar 27, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of quickly decomposing and removing an organic chlorine compound, which comprises coating a liquid containing an organic chlorine compound on the surface of a photocatalyst so that the liquid does not flow, said photocatalyst comprising a hollandite-type crystal phase represented by the formula: A.sub.x M.sub.y N.sub.8-y O.sub.16 (wherein A is at least one element selected from the group consisting of K, Rb, Cs, Ca, Ba and Na, M is a bivalent or trivalent metal element, N is an element which forms a rutile-type oxide, such as Ti, Sn or Mn, provided that A may be a Na element, only when M is Cr, and x and y satisfy 0.7
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