Photodegradation of 2,4-D (dichlorophenoxyacetic acid) with Rh/TiO; comparative study with other noble metals (Ru, Pt, and Au).

In this work the effect of noble metal on the photodegradation of 2,4-dichlorophenoxyacetic acid herbicide using TiO as support was studied. The metals and concentration were: Rh, Ru, Pt and Au and 1, 0.98, 1.