Civil Engineering Reference
In-Depth Information
Chlorine Dioxide
Chlorine
Interactive Disinfectants
Need Bench/Pilot Study
Yes
A. Systems that Filter
Chlorine Dioxide
Chlorine
Ozone
Peroxone
Interactive Disinfectants
High
Bromide
No
No
High
TOC
Start
Yes
High DBPFP
Ozone
Peroxone
Chlorine Dioxide
High
Bromide
No
Yes
Chlorine Dioxide
High Inactivation Require
High Disinfection Doses.
Chlorine
Interactive Disinfectants
Bench/Pilot Studies
Yes
B. Systems that
do not Filter
Ozone
Peroxone
Interactive Disinfectants
High
Bromide
No
No
High
TOC
Start
Yes
High DBPFP
Ozone
Peroxone
High
Bromide
No
Consult Primacy Agency When
Changing Treatment Process
Yes
Excessive DBP Formation
Likely. High Disinfectant doses
required. May need TOC and
pathogen removal facilities.
Bench and pilot studies needed.
Fig. 19-20.
Flow diagram 3 to select a new primary disinfectant (
Source:
Reference 6. Reprinted
from
Proceedings of the 1998 Water Quality Technology Conference,
by permission. Copyright
1998, American Water Works Association.)
