Patent · US Expired

Method for the continuous cooking of pulp

US6123807A · kind A · utility

12Cited by

1References

28Claims

0Family size

Assignee

Kvaerner Pulping AB · SE

Inventors

Johan Engstrom · Handen, SE
Vidar Snekkenes · Karlstad, SE
Krister Olsson · Karlstad, SE
Soren Gustavsson · Karlstad, SE
Christofer Lindgren · Stockholm, SE
Mikael Lindstrom · Lidingö, SE

Key dates

Filing date	Aug 7, 1997
Grant date	Sep 26, 2000
Priority date	—
Expiry date	Aug 7, 2017

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21C7/14
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

This invention relates to a new and improved way of continuously cooking fiber material, wherein temperatures and alkaline levels are controlled to be maintained within specific levels in different zones of the digesting process in order to optimize chemical consumption and heat-economy and at the same time achieve very good pulp properties.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.