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Restoring the Flow of a Finished Water Pipeline
Author(s) -
Fitch David E.,
McCollum Gary R.
Publication year - 1986
Publication title -
journal ‐ american water works association
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.466
H-Index - 74
eISSN - 1551-8833
pISSN - 0003-150X
DOI - 10.1002/j.1551-8833.1986.tb05844.x
Subject(s) - pigging , pipeline (software) , environmental science , alum , flow (mathematics) , flocculation , petroleum engineering , waste management , environmental engineering , engineering , pipeline transport , materials science , metallurgy , mechanical engineering , geometry , mathematics
Large doses of alum used for flocculation by the Onondaga County (N.Y.) Water Board caused a buildup of aluminum and silicone oxides on the interior of large distribution pipes. Flow was restricted to the point that supplying demand during peak usage might have become a problem. Planning for a pigging operation was begun in 1983, and the job was successfully undertaken on the Memorial Day weekend of the following year without disrupting production of a major industrial user. The authors describe how the pigging operation was done and the improvement that resulted.