Dometic RO400 Service Manual page 7

examples of rejection for substances which may be present in water
inoRGaniC suBsTanCes
Turbidity (cloudiness)
colour rating
Cations/Metals
Sodium
Potassium
calcium (hardness)
Aluminium
Iron
Manganese
Cations/heavy metals
copper
lead
Zinc
Mercury
cadmium
chrome
Nickel
anions
fluoride
Chloride
Nitrate
Sulphate
* 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
% oRGaniC suBsTanCes
>99 hydrocarbons
>99 heptane, octane, decane, etc.
Benzene, toluene, xylene,
Ethyl benzene, etc.
>96 >92*
Diesel oil
>97
>99 polyaromatic hydrocarbons
>99 PAh
>99
Chlorinated hydrocarbons
>99
compounds which can form
when water is chlorinated
>99
Trihalomethanes (Thm)
>99
Trichloromethane
>99
Bromodichloromethane,
>99
dibromochloromethane,
>99
tribromomethane
>98
pesticides
>99
PcB
miCRo-oRGanisms
>99
heterotrophic bacteria
>98 >95*
coliform bacteria/E.coli
>97
>97
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%
>98
>99
>99
>99
>99
>60
>99
>99
>99
>99