TREATING BLACK LIQUOR WITH ACIDIC BIOMASS FOR LIGNIN RECOVERY

The present invention describes a method intended for lignin recovery, said method comprising: a step of mixing a stream of black liquor with an acidic biomass stream for providing a mixed heterogenous stream; a step of separating the mixed stream in a separation unit for providing one aqueous light...

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Bibliographische Detailangaben
Hauptverfasser:	STIGSON, Lars, GUSTAVSSON, Christer, SUNDIN, Martin, HOWELLS, Philip, RUSANOVA-NAYDENOVA, Daniela, ELMER, Marcus
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS THEREFOR CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PAPER-MAKING PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention describes a method intended for lignin recovery, said method comprising: a step of mixing a stream of black liquor with an acidic biomass stream for providing a mixed heterogenous stream; a step of separating the mixed stream in a separation unit for providing one aqueous light phase stream and one lignin-containing heavy phase stream.