Photocatalytic Degradation of Pesticides in Natural Water: Effect of Hydrogen Peroxide

Table 5

Concentration of pesticides in samples in photocatalytic treatments.

Pesticide	Concentration (ng L^−1)
	Initial	After TiO2/radiation	After TiO2/H2O2/radiation
Alachlor	505	253	177
Aldrin	512	230	26
Ametryn	501	225	225
Atrazine	551	358	331
Chlorfenvinfos	492	295	221
Chlorpyrifos	520	104	104
pp′-DDD	510	332	102
op′-DDE	480	288	144
op′-DDT	482	313	96
pp′-DDT	482	386	145
Desethylatrazine	593	385	356
3,4-Dichloroaniline	658	0	0
4,4′-Dichlorobenzophenone	519	493	363
Dicofol	568	57	57
Dieldrin	508	356	356
Dimethoate	608	274	243
Diuron	501	125	125
α-Endosulphan	475	48	0
Endosulphan-sulphate	483	459	435
Endrin	486	243	243
α-HCH	511	109	409
β-HCH	519	441	441
γ-HCH	521	443	417
δ-HCH	504	428	428
Heptachlor	491	246	246
Heptachlor epoxide A	495	347	347
Heptachlor epoxide B	487	341	341
Hexachlorobenzene	503	327	327
Isodrin	516	206	0
4-Isopropylaniline	512	0	0
Isoproturon	521	78	78
Metholachlor	524	262	210
Methoxychlor	519	234	130
Molinate	551	248	165
Parathion ethyl	507	228	228
Parathion methyl	508	51	51
Prometon	492	271	271
Prometryn	489	220	220
Propazine	508	330	305
Simazine	554	305	277
Terbuthylazine	524	262	262
Terbutryn	514	231	206
Tetradifon	493	296	296
Trifluralin	566	255	170