AWWA ACE71091

This powerpoint presentation begins by providing a brief overview of galvanic corrosion and the theory of alkalinity mitigatingcorrosion by acting as a buffer or bycontributing to formation of protectivepipe scale. Study objectives were to: reproduce this trend undercontrolled circumstances;determine if there is an "optimally bad"amount of alkalinity; and,examine mechanisms for the trend - pH at anode, chloride concentration at anode, andgalvanic current with conductivity. Part I involved dump and fill jar testing. Part II involved using a electrochemical test cell toexamine conductivity effect. Includes figures.

Product Details

Edition:

Vol. - No.

Published:

11/01/2009

Number of Pages:

37

File Size:

1 file , 1.6 MB