The Filtration ofColiform Bacteria in Sand Dunes
149
AVERAGE INFLUENT
1o
7
f
o
o
1o
5
o - TRI-DISTILLED WATER
x - DISTILLED WATER
Δ - TAP WATER
Z
Z
LU
D
u. 1oHYDRAULIC LOAD - 1.2 m/day
T
Ύ
o
t (hours)
Fig. 1.
Filtration of Bacteria through Sand in Tap and Distilled Water
AVERAGE INFLUENT-.
io
7
-h
E ^
§
z
CL
Έ
* 1o
3
-
SALT CONC.
5 x Id
3 M CaCI 2 o
1 x 1o"
2 M CaCI 2 ▲
5 x 1o
-3 M MgCI 2
·
1 x 1o"
2 M MgCI 2 Δ
D
HYDRAULIC LOAD - 1.2 m/day
T
ö
t (hours)
Fig. 2.
Effect of MgCh and CaCl2 on Effluent Concentration
149
AVERAGE INFLUENT
1o
7
f
o
o
1o
5
o - TRI-DISTILLED WATER
x - DISTILLED WATER
Δ - TAP WATER
Z
Z
LU
D
u. 1oHYDRAULIC LOAD - 1.2 m/day
T
Ύ
o
t (hours)
Fig. 1.
Filtration of Bacteria through Sand in Tap and Distilled Water
AVERAGE INFLUENT-.
io
7
-h
E ^
§
z
CL
Έ
* 1o
3
-
SALT CONC.
5 x Id
3 M CaCI 2 o
1 x 1o"
2 M CaCI 2 ▲
5 x 1o
-3 M MgCI 2
·
1 x 1o"
2 M MgCI 2 Δ
D
HYDRAULIC LOAD - 1.2 m/day
T
ö
t (hours)
Fig. 2.
Effect of MgCh and CaCl2 on Effluent Concentration