METHOD FOR PRECIPITATING LIGNIN FROM ORGANOSOLV PULPING LIQUORS

The present invention relates to a method for precipitating lignin from organosolv pulping liquors. For this purpose, the organosolv pulping liquor is introduced as a precipitation medium in an already existing aqueous dispersion of lignin particles or a filtrate of an aqueous dispersion of lignin p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LESCHINSKY, Moritz, LORENZ, Heike, SEIDEL MORGENSTERN, Andreas, UNKELBACH, Gerd, SCHULZE, Peter
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS THEREFOR CHEMISTRY COMPOUNDS OF UNKNOWN CONSTITUTION METALLURGY ORGANIC CHEMISTRY PAPER-MAKING PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS TEXTILES
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Beschreibung
Zusammenfassung:	The present invention relates to a method for precipitating lignin from organosolv pulping liquors. For this purpose, the organosolv pulping liquor is introduced as a precipitation medium in an already existing aqueous dispersion of lignin particles or a filtrate of an aqueous dispersion of lignin particles, wherein a separate, lignin-containing phase in a dispersed state is produced.