Methomyl degradation in aqueous solutions by Fenton's reagent and the photo-Fenton system

Fenton and solar photo-Fenton processes for the removal of chlorpyrifos insecticide in wastewater

“…This behaviour was similar to that reported for other studies (e.g. Tamimi et al, 2008;Lucas and Peres, 2006;Modirshahla et al, 2007). …”

Photoremediation of Carbamate Residues in Water

“…The main advantage of these processes is a complete mineralization of many organic pollutants (Andreozzi at al., 1999;Neyens  Baeyens, 2003). Several of AOP s are currently employed for the elimination of pesticides from water: heterogeneous photocatalytic reactions with semiconductor oxides TiO 2 (Malato et al, 2002a(Malato et al, , 2002bTomaševic at al., 2010a) or ZnO (Tomaševic at al., 2010a) as photocatalysts, photo-Fenton (Malato et al, 2002a;Tamimi et al, 2008;Tomaševic at al., 2010b) and photo-assisted Fenton processes (Huston  Pignatello, 1999 (Andreozzi et al, 1999;Daneshvar et al, 2003;Karkmaz et al, 2004;Legrini at al., 1993):…”

“…The classic Fenton ' s reagent is a mixture of ferrous ion and H 2 O 2 in acidic solution or suspension (Neyens & Baeyens, 2003;Tamimi at al.,2008):…”

“…The degradation of pesticides by Fenton ' s reagent can be strongly accelerated upon UV or UV-visible light. This process is the photo-Fenton reaction (Malato et al, 2002a(Malato et al, , 2002bTamimi et al, 2008;Tomaševic at al., 2010b). Equation (17) is the key of photo-Fenton processes.…”

“…The both processes were capable of mineralizing more than 90% of the insecticide (Malato et al, 2002b). The photodegradation of methomyl by Fenton and photo-Fenton reactions were investigated (Tamimi et al, 2008). The degradation rate and the effect of reaction parameters (initial concentration of pesticide, pH, ferrous and H 2 O 2 dosage, etc) were monitored.…”