Method and system to enhance fiber development by addition of treatment agent during mechanical pulping

Method and system to enhance fiber development by addition of treatment agent during mechanical pulping

A mechanical pulping method including: defibrating a comminuted cellulosic material; mechanically refining the defibrated cellulosic material in a primary refining step; introducing to the cellulosic material at least one of a chemical agent and a biological during the defibration step or the mechan...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SABOURIN MARC, HILL JAN, GROSSALBER JOHANN, AICHINGER JOHANN
Format: Patent
Sprache:eng
Schlagworte:
APPARATUS THEREFOR
FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
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:A mechanical pulping method including: defibrating a comminuted cellulosic material; mechanically refining the defibrated cellulosic material in a primary refining step; introducing to the cellulosic material at least one of a chemical agent and a biological during the defibration step or the mechanical refining step, and producing pulp from the refined and defibrated cellulosic material.