Nominal Rejection Characteristics of:
TFC Elements
or
CTA Elements
Or
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view a comparison of membrane processes.
|
Ion |
%
Rejection* |
Calcium |
93-99 |
Sodium |
92-98 |
Magnesium |
93-98 |
Potassium |
92-96 |
Manganese |
96-98 |
Iron |
96-98 |
Aluminum |
96-98 |
Copper |
96-99 |
Nickel |
96-99 |
Cadmium |
93-97 |
Silver |
93-96 |
Zinc |
96-98 |
Mercury |
94-97 |
Hardness Ca&Mg |
93-97 |
Radioactivity |
93-97 |
Chloride |
92-98 |
Ammonium |
80-90 |
|
Ion |
% Rejection* |
Bromide |
90-95 |
Phosphate |
95-98 |
Cyanide |
90-97 |
Sulfate |
96-99 |
Thiosulfate |
96-98 |
Silicate |
92-95 |
Silica |
90-98 |
Nitrate |
90-95 |
Boron |
50-70 |
Borate |
30-50 |
Fluoride |
92-95 |
Polyphosphate |
96-98 |
Orthophosphate |
96-98 |
Chromate |
85-95 |
Bacteria |
99+ |
Lead |
95-98 |
Arsenic |
50-90 |
|
|
Nominal
Rejection Characteristics of Cellulose Triacetate Reverse Osmosis
Membranes
Ion |
% Rejection* |
Sodium |
90-95 |
Calcium |
92-95 |
Magnesium |
94-97 |
Potassium |
85-95 |
Iron |
92-96 |
Manganese |
92-96 |
Aluminum |
95-98 |
Ammonium |
85-90 |
Copper |
96-98 |
Nickel |
96-98 |
Zinc |
96-98 |
Strontium |
95-97 |
Cadmium |
95-97 |
Silver |
90-95 |
Mercury |
94-96 |
Barium |
94-96 |
Chromium |
94-96 |
|
Ion |
% Rejection* |
Lead |
94-96 |
Chloride |
90-95 |
Bicarbonate |
85-95 |
Nitrate |
50-70 |
Fluoride |
85-90 |
Silicate |
80-90 |
Phosphate |
95-97 |
Chromate |
80-90 |
Cyanide |
80-90 |
Sulfite |
94-96 |
Thiosulfate |
94-97 |
Ferrocyanide |
96-98 |
Bromide |
85-90 |
Borate |
25-50 |
Sulfate |
96-98 |
Arsenic |
90-95 |
Selenium |
90-95 |
|
|