I now remember where I have seen chelating substances used before and that's in ship main steam systems whether it was there as an inhibitor or for periodic clean I can't recall. The wiki entry refers to this use too.
__________________
2002 D2 S8 – Ming Blue, Valcona leather, Vavona wood insert, solar sunroof (to be fitted), Heated rear seats, extended leather pack, 18” Avus, ski hatch, Bose, auto dim rear view mirror, rear blind.
|