Constant Rate Filtration*

Constant rate filtration is a cake filtration carried out when the liquid feed suspension is delivered at a constant rate to the filter; this does not imply that the filtrate will necessarily be collected form the filter at a constant rate. As the cake forms so the pressure tends to increase in order to maintain the filtrate flow. A positive displacement pump is most often used to provide constant rate filtration.

*This definition was reprinted by permission from the "Dictionary of Filtration and Separation". The "Dictionary" contains over 1500 definitions and 400 diagrams and photos. More information on the "Dictionary" and order form can be found here.

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