145
Photoinduced and Microbial Generation of Hydrogen Peroxide
unfiltered samples of river water (Fig. 2b), which suggests that particulate matter (or microbes) in unfiltered river water are susceptible to rapidly degrade
ROOH. (iii) ROOH compounds were frequently generated under dark incubation (which followed irradiation) in unfiltered and filtered river waters (Fig. 1b),
Fig. 2 Production of H 2 O 2
and ROOH as a result of
photoinduced and microbial
incubation on filtered and
unfiltered river waters.
Data source Mostofa et al.
(Manuscript in preparation)
,UUDGLDWHGVDPSOHILOWHUHG
'DUNVDPSOHILOWHUHG
,UUDGLDWHGVDPSOHXQILOWHUHG
'DUNVDPSOHXQILOWHUHG
,UUDGLDWLRQWLPHG
+
2
Q0
522+Q0
Fig. 3 Production of H 2 O 2
and ROOH as a result of solar
irradiation on the aqueous
solutions of fulvic acid in
photoexperiments conducted
using a solar simulator
0
200
400
600
800
1000
1200
MQ water
SRFA (1 mg/L)
SRFA (3 mg/L)
SRFA (5 mg/L)
0
20
40
60
80
100
120
0
3 0
6 0
180
H
2 O
2 (nM)
Irradiation time (min)
ROOH (nM)
(a)
(b)