89-10: Performance of Molybdates as an Alternative to Chromates #N/A

89-10: Performance of Molybdates as an Alternative to Chromates #N/AAs the EPA deadline banning the use of chromates in comfort cooling towers (CCT's) approaches, water treatment vendors such as ourselves are seeking alternative methods to effectively threaten CCT's. Molybdates are one such alternative. This paper will detail laboratory and field results that have been obtained using various chromates and molybdates formulations.

chromate treatment for corrosion control is preferred

The size of the installation by comparison to heat exchangers as we normally know them is quite large

performance expectations

CFRP is a repair material used to provide targeted structural upgrades within distressed or damaged pipeline sections of the repair

In the summer of 2012

In this paper a chromate/zinc-phosphonate organic program is evaluated as a means of controlling general etch and pitting type corrosion in systems frequently operated under reducing conditions where iron deposition has been a problem

case believed to be the first reported Legionnaire’s disease case wherein a chemical water treater was alleged to owe a general duty to the public to protect it from Legionella related illness

Only recently

The primary side of cooling water was circulated in the tube bundle heat exchanger in a closed loop and the secondary side of cooling water was sprayed through the filler and outside of the tube bundle heat exchanger in an open loop

and referred this matter to the loss analysis department and it was found that the losses

The only question is “Do they work

techniques have been developed to assess and determine cooling water leakage