Water and Wastewater Disinfection with Peracetic Acid and UV Radiation and Using Advanced Oxidative Process PAA/UV

Table 1

E. coli, TC, and coliphages inactivation employing, individually, PAA and UV radiation in tests with wastewater.

			Peracetic acid			UV radiation
			Concentration (mg/L)			Exposure (s)
			2	3	4	60	90
Test 1	E. coli	1,1 × 10^4	3,4 × 10^3	3,7 × 10^3	1,3 × 10^2	6	4
	TC	2,25 × 10^5	7 × 10^4	2,12 × 10^4	6,2 × 10^3	5,1 × 10^3	3,9 × 10^3
	Coliphages	3,15 × 10^2	1,35 × 10^2	1,25 × 10^2	2,4 × 10^2	5	10
Test 2	E. coli	3 × 10^4	—	<1	—	10	10
	TC	3,6 × 10^5	—	5,2 × 10^4	—	200	160
	Coliphages	1,27 × 10^3	—	320	—	<1	<1

—: not carried out; <1: lower than the detection limit of the method used.