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
CA2021149C CA 2021149 CA2021149A CA2021149C CA 2021149 C CA2021149 C CA 2021149C CA 2021149 CA2021149 CA 2021149 CA 2021149 A CA2021149 A CA 2021149A CA 2021149 C CA2021149 C CA 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.)
Expired - Fee Related
Application number
CA 2021149
Other languages
English (en)
Other versions
CA2021149A1 (fr
Inventor
Wendell Judd
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 US07/471,971 external-priority patent/US5018459A/en
Application filed by Technology Development Corp filed Critical Technology Development Corp
Publication of CA2021149A1 publication Critical patent/CA2021149A1/fr
Application granted granted Critical
Publication of CA2021149C publication Critical patent/CA2021149C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Treatment Of Sludge (AREA)
  • Paper (AREA)
CA 2021149 1989-10-27 1990-07-13 Methode et dispositif de recyclage de boue de pate de papier Expired - Fee Related CA2021149C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/471,971 US5018459A (en) 1989-05-18 1989-10-27 Method and apparatus for recycling paper pulp sludge
US471,971 1989-10-27

Publications (2)

Publication Number Publication Date
CA2021149A1 CA2021149A1 (fr) 1991-04-28
CA2021149C true CA2021149C (fr) 1996-06-18

Family

ID=23873712

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2021149 Expired - Fee Related CA2021149C (fr) 1989-10-27 1990-07-13 Methode et dispositif de recyclage de boue de pate de papier

Country Status (1)

Country Link
CA (1) CA2021149C (fr)

Also Published As

Publication number Publication date
CA2021149A1 (fr) 1991-04-28

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