SYSTEM AND METHOD FOR PRODUCING MICROCRYSTALLINE CELLULOSE

SYSTEM AND METHOD FOR PRODUCING MICROCRYSTALLINE CELLULOSE

A method for preparing microcrystalline cellulose (MCC) including: acid hydrolysis of a pulp mixture in at least one reactor to obtain a hydrolyzed process mixture, and mixing the hydrolyzed process mixture to form the MCC in the at least one reactor during the acid hydrolysis, wherein the mixing is...

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Bibliographische Detailangaben
Hauptverfasser: PÄÄRNILÄ, Sonja, PELTONEN, Kari, VANHATALO, Kari, RÅMARK, Hannu
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
DERIVATIVES THEREOF
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
POLYSACCHARIDES
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:A method for preparing microcrystalline cellulose (MCC) including: acid hydrolysis of a pulp mixture in at least one reactor to obtain a hydrolyzed process mixture, and mixing the hydrolyzed process mixture to form the MCC in the at least one reactor during the acid hydrolysis, wherein the mixing is performed with an energy dissipation around 1.0×106 W/m3 to 15.0×106 W/m3 and wherein a period of the mixing is in a range of 5 s to 180 s, and the MCC has an a to d ratio less than 6.0.