CA2021149C - Methode et dispositif de recyclage de boue de pate de papier
- Google Patents
Methode et dispositif de recyclage de boue de pate de papier
Info
Publication number
CA2021149C
CA2021149CCA 2021149CA2021149ACA2021149CCA 2021149 CCA2021149 CCA 2021149CCA 2021149 CA2021149 CA 2021149CA 2021149 ACA2021149 ACA 2021149ACA 2021149 CCA2021149 CCA 2021149C
Authority
CA
Canada
Prior art keywords
paper pulp
pulp sludge
heater
sludge
typically
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.)
Technology Development Corp
Original Assignee
Technology Development Corp
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 US07/471,971external-prioritypatent/US5018459A/en
Application filed by Technology Development CorpfiledCriticalTechnology Development Corp
Publication of CA2021149A1publicationCriticalpatent/CA2021149A1/fr
Application grantedgrantedCritical
Publication of CA2021149CpublicationCriticalpatent/CA2021149C/fr