Coagulant tanks, Watch Water waterworks
Introduction
The photograph on this page of Coagulant tanks, Watch Water waterworks by Richard Webb as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
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Coagulant tanks, Watch Water waterworks
Image: © Richard Webb Taken: 2 Jan 2007
Iron(III) sulphate is used as a coagulant in water treatment, helping small particles bind together. Aluminium sulphate is also used, but fears of toxicity have led to the iron salt being preferred. Mass poisoning like what happened at Camelford in Cornwall due to incorrect application of aluminium sulphate is unlikely with iron salts, they are less toxic and will colour the water.
Images are licensed for reuse under creativecommons.org/licenses/by-sa/2.0
Image Location
Latitude
55.798902
Longitude
-2.51678