Importance

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Abstract

A membrane filtration unit comprises a housing having a feedstock inlet, a permeate outlet and a retentate outlet, at least one bundle of tubular membranes accommodated in the housing, sealing bodies which hold end parts of the membranes sealed in a fixed position with respect to the housing, and at least one flexible, permeable sleeve element which encloses the bundle of membranes and holds it together. The sleeve element encloses a center part, which is situated between the held end parts, of the bundle. Socket members are provided, which delimit transitional parts of the bundle, which transitional parts are situated at the location of the transitions from the end parts to the center part. Part of each socket member is fixedly connected with respect to the housing and part of each socket member movably encloses an end of the sleeve element.

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First Claim