Inactivation efficiency of total coliforms and Escherichia coli in doped natural water by heterogeneous Fenton: Effect of process factors

The microbiological contamination of water is responsible for millions of deaths in the world annually,until now the disinfection of water has been based on the chlorination; however there is a growing concern for the formation of trihalomethanes,for this reason it was evaluated the inactivation of total coliforms and escherichia coli (e. coli) by using the advanced oxidation process known as heterogeneous fenton,catalysed with pillared clay,prepared by ultrasound and microwave in a semibatch reactor using as process factors the concentration of the oxidizing agent,catalyst load,ph,and the reaction time. the test of inactivation was made in natural water from pasto river