Using Phages for Characterization of Effluent Quality in a Stabilization Pond
415
1999; ISO 1996) employing Escherichia coli CN (ATCC 700078) and Salmonella
typhimurium WG49 respectively as host strains.
Table 1. Components and design parameters of Arad treatment system*
Components
of the system
Volume,
m 3 x 10 3
Surface Area,
m 2 x 10 3
Depth,
m
Anaerobic pond A
5
2.3
5
Anaerobic pond B
5
2.3
5
Anaerobic pond C
5
2.3
5
Facultative pond
42.5
29
2.5
Maturation pond
37.5
25.5
1.5
Rocky pond
13
7.7
2
Stabilization Reservoir
100
26.3
5
Stabilization Reservoir
100
26.3
5
Stabilization Reservoir
100
26.3
5
Large Storage
650
50
l3
* - Data presentedfor maximal effluent depth in the related pond/reservoir
Table 2. Sampling points and retention time in the treatment system.
Points
2"
2 c
3
4
5
6
7
8
Treatment
Raw
After anaerobic settling pond A
After anaerobic settling pond C
After facultative pond
After maturation pond
After horizontal flow trickling filter
Aafter stabilization reservoir pond
After operational storage reservoir
After filter
Retention time
(days)
o
1
1
85
75
26
20
l30
o