Dometic RO400 - Page 7

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Examples of rejection for substances which may be present in water
 %
Turbidity (cloudiness) >99
Colour rating >99
Cations/Metals
Sodium >96 >92*
Potassium >97
Calcium (hardness) >99
Aluminium >99
Iron >99
Manganese >99

Copper >99
Lead >99
Zinc >99
Mercury >99
Cadmium >99
Chrome >98
Nickel >99

Fluoride >99
Chloride >98 >95*
Nitrate >97
Sulphate >97
 %

Heptane, octane, decane, etc. >98
Benzene, toluene, xylene,
Ethyl benzene, etc. >99
Diesel oil >99

PAH >99
Chlorinated hydrocarbons
Compounds which can form
when water is chlorinated >99

Trichloromethane >60
Bromodichloromethane,
dibromochloromethane,
tribromomethane >99

PCB >99

Heterotrophic bacteria >99
Coliform bacteria/E.Coli >99
* RO400B/RO400BC/RO400BCV
Sodium and chloride are not separated to the same extent when salt content (TDS / conductivity) is
high in the inlet water, which is normally the case when B-models are used.
TECHNICAL FACTS