Atrazine, propazine and simazine were tested separately and in mixture by batch procedure in a laboratory-constructed apparatus. 3.75 l of a buffered s-triazines pesticide solution was treated at room temperature by 325-mesh zero-valent iron powder (ZVIP)(20 g/l). High performance liquid chromatography was used to separate by-products and study the decline in the pesticide's concentrations. Results obtained show that the order of degradation was ...
