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Article | REF: J3131 V1

Hydraulic classification by size. Classification by sedimentation

Authors: Pierre BLAZY, Robert JOUSSEMET

Publication date: March 10, 2011

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2. Gravitational classifiers

2.1 Simple sedimentation classifiers

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2.1.1 Mechanical classifiers

They consist (figure 4 ) of a sedimentation tank or vat with parallel walls and an open sloping bottom, fitted with a mechanical device that continuously agitates the suspension (pulp) while recovering the fraction of solids that have settled (underflow). They are most often used in a closed circuit with a crusher, or, in the case of aggregates, as an eliminator...

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Gravitational classifiers
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