Titanium dioxide has been used as a catalyst for the UVinduced
photocatalysis of pollutants in recent years. Photocatalytic
reactions are attractive because they do not require high
temperature operational conditions and they can be very selective
in radiation absorption. Research indicates that almost any
organic pollutants and many of the inorganic pollutants produced
by electrical, electronic, agricultural, textile, petrochemical,
metallurgical and many other industries can be completely