ARRANGEMENT IN CROSS-FLOW MEMBRANE SEPARATION UNIT

ARRANGEMENT IN CROSS-FLOW MEMBRANE SEPARATION UNIT

This invention relates to an arrangement in cross-flow membrane separation unit, which is comprising a membrane element (5) and a pres- sure keeping structure enclosing the membrane element (5), into which enclosure (2) a pres- surized input substance (3) is led, out of which enclosure (2) are outpu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MUSTALAHTI, Jorma, AULANKO, Esko
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:This invention relates to an arrangement in cross-flow membrane separation unit, which is comprising a membrane element (5) and a pres- sure keeping structure enclosing the membrane element (5), into which enclosure (2) a pres- surized input substance (3) is led, out of which enclosure (2) are outputs for the sepa- rated parts of the input substance (3), where the input substance (3) is led into an up- stream section (5u) of the membrane element (5), part of the input substance (3) is ar- ranged to permeate to the membrane as a per- meate (6), and the unpermeated part, a con- centrate (7), is arranged to exit from the downstream section (5d) of the membrane ele- ment (5). The mass flow into the upstream section (5u) of the membrane element (5) is greater than the mass flow into the enclosure (2).