91
(3 ppm)
(30 ppm)
(300 ppm)
Temperature
(°C)
27,4 (±1,7)
38,5 (±3,2)
32,4 (±4,8)
39,1 (±0,6)
36,3 (±1,6)
Dissolved
Oxygen (mg/L)
0,2 (±0,5)
1,4 (±2,5)
3,2 (±1,9)
6,5 (±0,4)
8,6 (±0,5)
E
H
(mV)
-243,4
(±159,8)
49,6 (±57,4)
16,3 (±80,9)
98,1 (±43,5)
180,5 (±29,0)
Electric
conductivity
(uS/cm)
1405,8
(±223,0)
1361,0
(±131,1)
1531,5
(±135,2)
1347,7
(±306,9)
1786,2
(±696,8)
pH
8,2 (±0,2)
8,2 (±0,1)
8,3 (±0,1)
8,3 (±0,2)
8,4 (±0,3)
Turbidity
(NTU)
55,8 (±34,8)
29,5 (±3,6)
33,2 (±15,1)
58,9 (±40,3)
35,5 (±10,4)
Figure 1 show the removal of COD in treatments. Photolysis tests reached 20% removal,
Low Range tests 12%, Medium 13% and 42% to High Range. These results demonstrate
that this treatment is not recommended for COD removal, but good removals are obtained
with 300 ppm of Hydrogen Peroxide (High Range).
The NH
4
+
–N removal was negligible. For total and fecal coliform removals 1 logarithmic
unit for the photolysis and low range, 2 logarithmic units for midrange and 4 logarithmics
units were achieved with High range doses. It is found that the more peroxide it’s added,
disinfection treatment will be better.
Wetland Treatment.
Table 2 provides values of physicochemical parameters of effluent
wetland planted with
Cyperus ligularis.
(Charris et al. 2014)
Tests
FHOTOLYSIS
3 ppm
30 ppm
300 ppm
COD %Removal Efficency
0
10
20
30
40
50
Figure 1. COD %Removal Efficiency to Solar Reactor
