CA1284557C - Methode de preparation de la pate a papier a partir de matiere brute lignocellulosique
- Google Patents
Methode de preparation de la pate a papier a partir de matiere brute lignocellulosique
Info
Publication number
CA1284557C
CA1284557CCA000507591ACA507591ACA1284557CCA 1284557 CCA1284557 CCA 1284557CCA 000507591 ACA000507591 ACA 000507591ACA 507591 ACA507591 ACA 507591ACA 1284557 CCA1284557 CCA 1284557C
Authority
CA
Canada
Prior art keywords
stage
pulp
acid
hydrogen peroxide
liquor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KESKUSLABORATORIO - CENTRALLABORATORIUM Oy AB
Original Assignee
OY KESKUSLABORATORIO - CENTRALLABORATORIUM AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FI860609Aexternal-prioritypatent/FI74750C/fi
Application filed by OY KESKUSLABORATORIO - CENTRALLABORATORIUM ABfiledCriticalOY KESKUSLABORATORIO - CENTRALLABORATORIUM AB
Application grantedgrantedCritical
Publication of CA1284557CpublicationCriticalpatent/CA1284557C/fr
CA000507591A1986-02-111986-04-25Methode de preparation de la pate a papier a partir de matiere brute lignocellulosique
Expired - Fee RelatedCA1284557C
(fr)