4 Dimensioning and planning
12
99640x5xx-mub-en – V01
2020/06
Ammonium (NH
4+
)
< 2
within
of
24 hours
+
+
2-20
0
+
> 20
-
-
Chloride (Cl
-
)
< 100
no limit
+
+
100-200
+
+
200-300
+
+
> 300
0/+
0
Free chlorine (Cl
2
)
< 1
within
of
5 hours
+
+
1-5
0
0
> 5
0/-
0
Hydrogen sulphide
(H
2
S)
< 0.05
no limit
+
+
> 0.05
0/-
0
Free (aggressive)
carbon dioxide
(CO
2
)
< 5
no limit
+
+
5-20
0
+
> 20
-
+
Total hardness
(°dH)
4.0-8.5
no limit
+
+
Nitrate (NO
3-
)
< 100
no limit
+
+
> 100
0
+
Iron (Fe)
< 0.2
no limit
+
+
> 0.2
0
+
Aluminium (Al)
< 0.2
no limit
+
+
> 0.2
0
+
Manganese (Mn)
< 0.1
no limit
+
+
> 0.1
0
+
+ Good durability under normal conditions
0 Corrosion may occur, especially if further factors are evaluated with 0
- Use is not recommended