SE459262B - Foerfarande foer framstaellning av cellulosa med satsvis kokning - Google Patents

Foerfarande foer framstaellning av cellulosa med satsvis kokning

Info

Publication number
SE459262B
SE459262B SE8503618A SE8503618A SE459262B SE 459262 B SE459262 B SE 459262B SE 8503618 A SE8503618 A SE 8503618A SE 8503618 A SE8503618 A SE 8503618A SE 459262 B SE459262 B SE 459262B
Authority
SE
Sweden
Prior art keywords
cooking
liquid
cooking liquid
active
boiling
Prior art date
Application number
SE8503618A
Other languages
English (en)
Swedish (sv)
Other versions
SE8503618D0 (sv
SE8503618L (sv
Inventor
P H Oestman
Original Assignee
Ekono Oy
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 Ekono Oy filed Critical Ekono Oy
Publication of SE8503618D0 publication Critical patent/SE8503618D0/xx
Publication of SE8503618L publication Critical patent/SE8503618L/
Publication of SE459262B publication Critical patent/SE459262B/sv

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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting

Landscapes

  • Paper (AREA)
SE8503618A 1983-11-30 1985-07-26 Foerfarande foer framstaellning av cellulosa med satsvis kokning SE459262B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI834380A FI71176C (fi) 1983-11-30 1983-11-30 Foerfarande foer framstaellning av cellulosa med satsvis kokning.

Publications (3)

Publication Number Publication Date
SE8503618D0 SE8503618D0 (sv) 1985-07-26
SE8503618L SE8503618L (sv) 1985-07-26
SE459262B true SE459262B (sv) 1989-06-19

Family

ID=8518149

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8503618A SE459262B (sv) 1983-11-30 1985-07-26 Foerfarande foer framstaellning av cellulosa med satsvis kokning

Country Status (6)

Country Link
US (1) US4764251A (fi)
JP (1) JPH0830311B2 (fi)
CA (1) CA1230207A (fi)
FI (1) FI71176C (fi)
SE (1) SE459262B (fi)
WO (1) WO1985002423A1 (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI82079C (fi) * 1989-04-27 1993-05-11 Poeyry Jaakko & Co Oy Foerfarande och anordning foer kontinuerlig kokning av cellulosa
US5256255A (en) * 1989-09-28 1993-10-26 Beloit Technologies, Inc. Displacement heating in continuous digesters
WO1991005103A2 (en) * 1989-09-28 1991-04-18 Beloit Corporation Displacement heating in continuous digesters
US5183535B1 (en) * 1990-02-09 1996-02-06 Sunds Defibrator Rauma Oy Process for preparing kraft pulp using black liquor pretreatment reaction
FI110327B (fi) 1999-10-04 2002-12-31 Metso Chemical Pulping Oy Menetelmä sellumassan valmistamiseksi
FI121384B (fi) * 1999-12-29 2010-10-29 Metso Paper Inc Parannettu menetelmä sellumassan valmistamiseksi tärpätin talteenotolla
FI120361B (fi) * 2003-12-31 2009-09-30 Gl & V Finance Hungary Kft Eräkeittomenetelmä kraftmassan valmistamiseksi
US20060157209A1 (en) * 2005-01-19 2006-07-20 Bianchini Craig A Method and apparatus to distribute the inflow of liquors in a Batch Digester

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2229886A (en) * 1934-12-19 1941-01-28 Chemipulp Process Inc Method of digesting fibrous materials
US2195378A (en) * 1935-11-22 1940-03-26 Chemipulp Process Inc Process of producing cellulosic pulp
US3303088A (en) * 1963-04-19 1967-02-07 Lummus Co Continuous liquid-phase rapid pulping
NO123511C (fi) * 1966-05-14 1976-07-22 Domtar Ltd
NO122466B (fi) * 1966-06-24 1971-06-28 Ass Pulp & Paper Mills
SE359331B (fi) * 1970-03-17 1973-08-27 Kamyr Ab
US3679543A (en) * 1970-08-18 1972-07-25 Calgon Corp Controlling the cooking process in pulp digestion by differential conductivity measurements
NO134919C (fi) * 1973-11-08 1977-01-05 Peterson & Son As M
CA1057007A (en) * 1974-04-03 1979-06-26 George H. Tomlinson (Ii) Impregnation of wood particles
JPS542281A (en) * 1977-06-07 1979-01-09 Anelva Corp Treating method for surface
JPS542282A (en) * 1977-06-08 1979-01-09 Kenkichi Tsukamoto Suckner separating agent
US4236961A (en) * 1979-07-25 1980-12-02 Green Frank B Pulping lignocellulose in continuous pressurized batch digesters
JPS57171784A (en) * 1981-04-11 1982-10-22 Mitsubishi Heavy Ind Ltd Digesting method

Also Published As

Publication number Publication date
FI834380A (fi) 1985-05-31
US4764251A (en) 1988-08-16
FI71176B (fi) 1986-08-14
JPH0830311B2 (ja) 1996-03-27
CA1230207A (en) 1987-12-15
JPS61500979A (ja) 1986-05-15
SE8503618D0 (sv) 1985-07-26
SE8503618L (sv) 1985-07-26
WO1985002423A1 (en) 1985-06-06
FI834380A0 (fi) 1983-11-30
FI71176C (fi) 1991-12-03

Similar Documents

Publication Publication Date Title
SE445120B (sv) Forfarande for framstellning av alkalisk massa
NO115644B (fi)
SE459262B (sv) Foerfarande foer framstaellning av cellulosa med satsvis kokning
JPH03130482A (ja) セルロースの連続蒸解方法及び装置
NO179016B (no) Framgangsmåte og anordning for behandling av celluloseholdig treflis
SE502039C2 (sv) Sätt och anordning för kontinuerlig kokning av massa
NO152869B (no) Sekskantet bretteeske med lokk i forlengelse av sideveggene
FI57981B (fi) Saett och anordning foer impregnering av fibermaterial foere kokning medelst pulsering av tryck mellan kokartryck och ett laegre tryck
EP0135461B1 (en) Batch digester multi-stage pulping process
SE518993C2 (sv) Framställning av cellulosamassa genom kokning med en kokvätska innehållande förindunstad svartlut
JP2001507409A (ja) 蒸解装置内でパルプを蒸解する際に液体を連続的に案内する方法
JPH06510091A (ja) セルロース繊維材料の連続蒸解方法
NO118203B (fi)
SU1475491A3 (ru) Способ непрерывной варки древесной щепы
SE0200189A1 (sv) System och förfarande för styrning av en operation av 16
NO176485B (no) Fremgangsmåte for behandling av fibermasse med en kjemisk opplösning
RU1838487C (ru) Способ получени сульфатной целлюлозы
US1646084A (en) Method and apparatus for treating fibrous materials
NO157109B (no) Fremgangsmaate til satsvis koking av cellulose i koker.
US1836862A (en) Process of removing liquor from wood pulp digesters
US1885561A (en) Accumulator system
TW444078B (en) Method of improving bleachability and runability of kraft pulps
SE506703C2 (sv) Impregnering av fibermaterial i medström vid kontinuerlig kokning
FI79724C (fi) Foerfarande foer kokning av cellulosamaterial
FI58797C (fi) Saett och anordning foer att oeverfoera med vaetska transporterbara material saosom fibermaterial

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8503618-4

Format of ref document f/p: F

NUG Patent has lapsed