Production of paper pulp from sugar mill bagasse

US4260452A · kind A · utility

Inventors

• Horst Kruger
• Wilhelm Berndt · Frankfurt, DE
• Ursula Schwartzkopff · Kleinostheim, DE
• Franz J. Reitter · Munich, DE
• Theodor Hopner · Oldenburg, DE
• Hans-Joachim Muhlig · Aschaffenburg, DE

Key dates

• Filing date: Nov 24, 1978
• Grant date: Apr 7, 1981
• Expiry date: Nov 24, 1998

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S162/12
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

Paper pulp is produced by a process in which raw sugar mill bagasse is moist depithed, wet bulk stored in the presence of an inorganic and organic preservative, wet depithed by hydraulic shearing in the presence of an inorganic color remover, pulped, washed, cleaned and dewatered.