METHOD FOR CLEANING EXTRACTED DATE JUICE WITHOUT AUXILIARY PRODUCT

In removal of pectin from extracted data juice, and filtration, without use of pectin-splitting agents or filter aids, the juice is filtered in one stage, at 0.1-1 MPa and 30-70 deg.C, in an appts. comprising ultra-filtration membranes of different materials and with cut-off limits of 5,000-50,000 D...

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Bibliographische Detailangaben
Hauptverfasser:	SZAM,FERENC,HU, BURIAN,LASZLO,HU, GYURIS,LASZLO,HU, NAGYZSADANYI,KLARA,HU, BECSER,ANDOR,HU, HIDEG,MIKLOS,HU, ZSIRAI,ISTVAN,HU
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCTION OF SUCROSE SEPARATION SUGAR INDUSTRY TRANSPORTING
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Beschreibung
Zusammenfassung:	In removal of pectin from extracted data juice, and filtration, without use of pectin-splitting agents or filter aids, the juice is filtered in one stage, at 0.1-1 MPa and 30-70 deg.C, in an appts. comprising ultra-filtration membranes of different materials and with cut-off limits of 5,000-50,000 Daltons, depending on the pre-treatment. Dimensioned tubes or capillaries are pref. used as the membranes, and ultrafiltration is pref. periodic and/or continuous or in one stage or cascades, according to the requirements of the complete date processing line. ADVANTAGE - Use of pectin-splitting enzymes or lime is avoided. The permeate is free from pectin and very clear, and the pectin-rich (3-5%) concentrate can be recyled or processed.