This powerpoint presentation provides new insights into lead and copper corrosion control and treatment change impacts. Topics covered include: importance of ORP/oxidants in corrosion and
deposition;
aging behavior of Pb vs Cu pipes;
PbO<sub>2</sub> occurrence and implications;
optimizing orthophosphate dosage factors;
dissimilar scale materials on Pb surfaces; and,
five treatment implementation/change areas
to watch. They include: small system with multiple contaminants (U, As,
Rn) using anion-exchange;
disinfection of high ammonia groundwater;
addition of oxygen or chlorine to high alkalinity
groundwater with low natural ORP;
lime softening versus IX and membrane softening; and,
overdosing of polyphosphate to prevent post-deposition
of calcium carbonate.
| Edition : | Vol. - No. |
| File Size : | 1
file
, 7.4 MB |
| Note : | This product is unavailable in Ukraine, Russia, Belarus |
| Number of Pages : | 48 |
| Published : | 06/01/2007 |
