BR8403399A - Processo de tratamento de material fibroso celulosico fragmentado e aparelho para tratar material em suspensao - Google Patents

Processo de tratamento de material fibroso celulosico fragmentado e aparelho para tratar material em suspensao

Info

Publication number
BR8403399A
BR8403399A BR8403399A BR8403399A BR8403399A BR 8403399 A BR8403399 A BR 8403399A BR 8403399 A BR8403399 A BR 8403399A BR 8403399 A BR8403399 A BR 8403399A BR 8403399 A BR8403399 A BR 8403399A
Authority
BR
Brazil
Prior art keywords
digester
chips
withdrawn
liquid
nozzles
Prior art date
Application number
BR8403399A
Other languages
English (en)
Inventor
Oliver Armas Laakso
Original Assignee
Oliver Armas Laakso
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
Application filed by Oliver Armas Laakso filed Critical Oliver Armas Laakso
Publication of BR8403399A publication Critical patent/BR8403399A/pt

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C7/00—Digesters

Landscapes

  • Paper (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
BR8403399A 1984-02-27 1984-07-09 Processo de tratamento de material fibroso celulosico fragmentado e aparelho para tratar material em suspensao BR8403399A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/583,856 US4568419A (en) 1984-02-27 1984-02-27 Method of treating comminuted cellulosic fibrous material in a vertical vessel

Publications (1)

Publication Number Publication Date
BR8403399A true BR8403399A (pt) 1986-02-18

Family

ID=24334865

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8403399A BR8403399A (pt) 1984-02-27 1984-07-09 Processo de tratamento de material fibroso celulosico fragmentado e aparelho para tratar material em suspensao

Country Status (9)

Country Link
US (1) US4568419A (pt)
EP (1) EP0153977B1 (pt)
JP (1) JPS60224890A (pt)
AT (1) ATE29746T1 (pt)
BR (1) BR8403399A (pt)
CA (1) CA1237930A (pt)
DE (1) DE3466258D1 (pt)
FI (1) FI76846C (pt)
NO (1) NO163969C (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0518851A1 (en) * 1991-06-10 1992-12-16 Kamyr, Inc. Reducing chips to fibres in continuous digesters to facilitate lignin extraction
US20050274468A1 (en) * 2004-05-28 2005-12-15 Metso Paper, Inc. Central screen
SE531079C2 (sv) * 2008-03-31 2008-12-09 Metso Paper Inc Anordning samt förfarande för spädning av cellulosamassa
UY39227A (es) * 2020-05-22 2021-12-31 Suzano Sa Método para desobstruir o limpiar una pantalla en un digestor continuo de cocción de proceso kraft

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2414062A (en) * 1944-05-02 1947-01-07 Kamyr Ab Apparatus for heating and controlling the temperature in a continuously operating digester
GB643269A (en) * 1945-12-28 1950-09-15 Kamyr Ab Apparatus for heating and controlling the temperature in a continuously operating digester
DE893441C (de) * 1948-11-25 1953-10-15 Kamyr Ab Zellstoffkocher
GB684222A (en) * 1950-07-08 1952-12-10 Kamyr Ab Cellulose digester
US2901039A (en) * 1954-12-20 1959-08-25 Sven A Salmonson Apparatus for preconditioning chips in a digester
SE357219B (pt) * 1970-02-11 1973-06-18 Kamyr Ab
SE343344B (pt) * 1970-06-29 1972-03-06 Kamyr Ab
US4193839A (en) * 1976-05-11 1980-03-18 Kamyr, Inc. Flow control method and apparatus for continuous wood chip digester screenless liquor extractor
US4161421A (en) * 1977-09-13 1979-07-17 Kamyr, Inc. Method and apparatus for continuous oxygen bleaching of cellulosic pulp

Also Published As

Publication number Publication date
ATE29746T1 (de) 1987-10-15
JPS60224890A (ja) 1985-11-09
EP0153977A1 (en) 1985-09-11
DE3466258D1 (en) 1987-10-22
CA1237930A (en) 1988-06-14
NO163969B (no) 1990-05-07
FI841817A0 (fi) 1984-05-07
EP0153977B1 (en) 1987-09-16
NO841761L (no) 1985-08-28
FI76846B (fi) 1988-08-31
FI841817A (fi) 1985-08-28
FI76846C (fi) 1988-12-12
JPS6364556B2 (pt) 1988-12-12
NO163969C (no) 1990-08-15
US4568419A (en) 1986-02-04

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)