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Sludge thickening

Sludge  cylindrical sedimentation tank with a galvanised metal platform and railings above it

Introduction to sludge thickening

A number of processes act purely to remove water from the sludge to reduce its volume. As a result, the suspended solids concentration of the sludge is increased, i.e. the sludge becomes consolidated.

These processes are referred to as either thickening or dewatering, depending on the amount of water removed.

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