This powerpoint presentation begins by providing a brief overview of aluminum (Al) post-precipitation, and the Lake Michigan utilities' treatment processes for Al. Primary objectives included:mechanisms of formation of Al - POsub4/sub precipitate;can adjusting blended phosphate corrosioninhibitor stop precipitate from forming;are there other operational parameters that cankeep this precipitate from forming; and,recommendation on remediation. XRD and SEM-EDS data frompipe coupons are presented, along with aluminum solubility in thepresence of phosphate. Includes figures.
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Edition: Vol. - No. Published: 11/01/2009 Number of Pages: 46File Size: 1 file , 1.4 MB