54
6. MAXIMUM ADMISSIBLE CONCENTRATIONS IN THE INFLUENT
SOFT softening stations
Hardness ……………………….…………………………………….......42 °dH
Iron ……………………………………………………………………... 0,20 mg/l
Manganese …………………………………………..………………....0,05 mg/l
Pure from the microbiological point of view
Stații tratare MIX
Hardness ……………………………………………………………….....42 °dH
Iron …………………………………………………………………..........15 mg/l
Manganese …………………………………………………………..........3 mg/l
Ammonium …………………………………………………………...........4 mg/l
Oxygen chemical consumption...........................................................20 mg/l O
2
Total dissolved solids ………………………………………………....4000 mg/l
Pure from the microbiological point of view
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