
Installation and start up
14
Installation and start up
4
Feed water requirements
4.1
All given flow rates are based on feed water temperature of 10°C (50°F). The RO permeate
flow will change approx. 2 % for each °C (decrease for lower values, increase for higher
values).
Feed water requirements
Unit
Value
Pressure
bar
1.5 … 6
Maximum flow
l/h
80
Feed water conductivity
µS/cm
< 1400
Free chlorine
mg/l
< 0.1
CO
2
mg/l
< 15
concentration total < 20
Silica
mg/l
< 10
Silt Density Index (SDI)
< 3
Iron
mg/l
< 0.1
Manganese
mg/l
< 0.05
pH
-
3 … 9
Temperature
°C
5 … 25
Table 1: Feed water requirements