PULP PREPARATION METHOD

FIELD: pulp-and-paper industry. SUBSTANCE: pulp is prepared from starting lignocellulose by cooking in alkaline aqueous cooking liquor containing one or more low-boiling organic solvents, one or more redox catalysts, and, additionally, an alkaline sulfite derivative. EFFECT: increased yield of indus...

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Bibliographische Detailangaben
Hauptverfasser:	KHANS-LUDVIG SHUBERT, MAJK MIRIDIT, MIKHEL' KHAJNRIKH ZINNER, OTAR KORDZAKHIA
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR CHEMISTRY COMPOSITIONS BASED THEREON DERIVATIVES THEREOF METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PAPER-MAKING POLYSACCHARIDES 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:	FIELD: pulp-and-paper industry. SUBSTANCE: pulp is prepared from starting lignocellulose by cooking in alkaline aqueous cooking liquor containing one or more low-boiling organic solvents, one or more redox catalysts, and, additionally, an alkaline sulfite derivative. EFFECT: increased yield of industrial-purity cellulose and enabled creation of closed water circulation system. 24 cl