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Effect of pH on Quality of Calcium Carbonate Film Deposited From Moderately Hard and Hard Water
Author(s) -
McClanahan Mark A.,
Mancy Kalil H.
Publication year - 1974
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.1551-8833.1974.tb01972.x
Subject(s) - calcium carbonate , carbonate , hard water , calcium , mineralogy , chemistry , materials science , metallurgy , composite material , organic chemistry
Calcium carbonate deposits are a problem in cast‐iron water‐distribution systems. These deposits can be reduced by adjusting the pH of the water during treatment. The softness or hardness of the water is also significant regarding the amount and permeability of the calcium carbonate deposited.