Filter speed

- Jun 19, 2020-

Filter speed


When the solids in the suspension of the filter are large and uniform, the pores of the filtrate layer are relatively unimpeded, and the filtrate passes through the filtrate layer at a high speed. Using coagulant to aggregate the fine particles into larger agglomerates is beneficial to improve the filtration rate.


For the suspension with fast settling speed of solid particles, the filter is applied to the upper part of the filter medium to make the filtering direction consistent with the direction of gravity. The coarse particles settle first, which can reduce the blockage of the filter medium and the filter slag layer. In the difficult to filter suspension (such as colloid) mixed with such as diatomite, expanded perlite and other coarse solid particles, the filter slag layer can become loose; When the filtrate viscosity is large, the suspension can be heated to reduce the viscosity. All of these measures speed up filtering.


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