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Application filed by Escher Wyss AgfiledCriticalEscher Wyss Ag
Publication of CH351946ApublicationCriticalpatent/CH351946A/de
D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C11/00—Regeneration of pulp liquors or effluent waste waters
D21C11/10—Concentrating spent liquor by evaporation
D21C11/106—Prevention of incrustations on heating surfaces during the concentration, e.g. by elimination of the scale-forming substances contained in the liquors
CH351946D1957-02-161957-02-16Verfahren zur Konzentration von Sulfitablauge und ähnlichen Lösungen
CH351946A
(de)