Device for tangential filtration and installation containing this device.

摘要

1. A filtration device comprising at least one tangential filtration module having, arranged in a housing in the form of a body of revolution, at least one filtration element consisting of a channel (1) forming a helical incline for the liquid to be treated, the filtrate flowing inside the channel whence it is drained off to the outside of the module, characterized in that each module comprises at least two filtration elements (1, 1a) each arranged in the housing along two concentric helices with opposite pitches.