Flocculation, 1 of 4

Flocculation, 1 of 4

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Credit: Alexandre Dotta/SCIENCE PHOTO LIBRARY

Caption: Water treatment. Beaker with water and dirt (mud). Aluminium sulphate was added to cause flocculation. Flocculation, in the field of chemistry, is a process wherein colloids come out of suspension in the form of floc or flake; either spontaneously or due to the addition of a clarifying agent (in this case, Aluminium sulphate). The action differs from precipitation in that, prior to flocculation, colloids are merely suspended in a liquid and not actually dissolved in a solution. 1 of 4.

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Keywords: 1 of 4, agent, aluminium sulphate, chemistry, clarifying, colloids, demonstration, dirty water, experiment, flake, floc, flocculation, separation, water, water treatment

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