Ceramic filter element and method for manufacturing the same

The invention relates to a ceramic filter element (22) for removal of liquid from solids containing material in a capillary suction dryer. The filter element comprises a ceramic substrate covered by a sintered ceramic microporous layer (31). The sintered microporous membrane layer is provided with c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HOGNABBA OLLI, EVELAND DAVID, VROMAN EDWARD, EKBERG BJARNE, HINDSTROM ROLF
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to a ceramic filter element (22) for removal of liquid from solids containing material in a capillary suction dryer. The filter element comprises a ceramic substrate covered by a sintered ceramic microporous layer (31). The sintered microporous membrane layer is provided with coarse solid particles (71) of a particle size larger than a pore size of the membrane material layer(31) so as to form a textured surface (50) which prevents a filter cake from sliding off the surface of the filter element prior to the intended cake dis-charge.