Environmental Engineering Reference
In-Depth Information
Table 3.4 Examples of photocatalytic disinfection by TiO 2 .
TiO 2
Conc.
(ppm)
Micro-
organism
TiO 2
Type
Irradiation
Intensity
TiO 2
Support
T ( o C)
Ref.
RT*
pH
Reported Results
(Rincon and
Pulgarin,
2007)
Effluent concentration
< 1 CFU/ml, at 13.5 KJ
solar power/L
CPC
(Pilot)
Direct
Sunlight
E. Coli
40
P25**
3035
nr
none
(Ryu et al.,
2008)
3 log unit removal at
11.0 mJ/cm 2 irradiation
C. parvum
nr***
P25
SL
UV, 4.011.0
mJ/cm 2
nr
68
none
2.5 fold increase in the
presence of light for B.
subtilis comparing
without light and 1.8
E. Coli, and
B. subtilis
(Adams et
al., 2006)
10
5000
Various
SL
UV
23
nr
none
 
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