| 摘要 |
PURPOSE:To aim at the retention of deodorizing efficacy for many hours and attainment of a high deodorizing efficiency, by using a deodorizing agent containing adsorbent and photocatalyst. CONSTITUTION:A deodorizing agent consists of an adsorbent and a photocatalyst. A second component containing at least one element of the groups IIa, IIIa, IVa, Va, VIa, VII, Ib, IIb, IIIb and IVb is contained in said deodorizing agent. Said adsorbent may be any one of activated charcoal, alumina and silica, said photocatalyst any one of TiO2, SnO2 and ZnO and said second component any one of Cu, Zn, La, Mo, V, Sr, Ag, Ba, Ce, Sn, Fe, W, Pt, Pd, Mg and Al. The deodorizing agent contains the photocatalyst of 5-50wt.% and the second component of 0.5-40wt.%. The deodorizing agent is used in a porous form obtained by sintering the mixture of its components. The deodorizing efficacy is improved by applying ultraviolet rays to the deodorizing agent, resulting in the retention of its efficacy for many hours. |
