Method for producing pulp

The present invention is a method for producing pulp from fibrous lignocellulose material using a treatment step which exposes the material to oxalic acid, or oxalic acid and sodium bisulfite, prior to pulping. The pulping of the resulting product requires less energy input and provides a pulp havin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Swaney, Ross, Akhtar, Masood, Horn, Eric, Lentz, Michael, Scott, Gary, Black, Cory, Houtman, Carl, Kirk, T
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention is a method for producing pulp from fibrous lignocellulose material using a treatment step which exposes the material to oxalic acid, or oxalic acid and sodium bisulfite, prior to pulping. The pulping of the resulting product requires less energy input and provides a pulp having enhanced physical properties as compared to untreated materials.