SE8306511D0 - Method and apparatus for washing paper pulp - Google Patents

Method and apparatus for washing paper pulp

Info

Publication number
SE8306511D0
SE8306511D0 SE8306511A SE8306511A SE8306511D0 SE 8306511 D0 SE8306511 D0 SE 8306511D0 SE 8306511 A SE8306511 A SE 8306511A SE 8306511 A SE8306511 A SE 8306511A SE 8306511 D0 SE8306511 D0 SE 8306511D0
Authority
SE
Sweden
Prior art keywords
mat
wash liquor
paper pulp
disturbing
flow
Prior art date
Application number
SE8306511A
Other languages
English (en)
Other versions
SE461990B (sv
SE8306511L (sv
Original Assignee
Westvaco 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
Application filed by Westvaco Corp filed Critical Westvaco Corp
Publication of SE8306511D0 publication Critical patent/SE8306511D0/sv
Publication of SE8306511L publication Critical patent/SE8306511L/sv
Publication of SE461990B publication Critical patent/SE461990B/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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • D21C9/06—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in filters ; Washing of concentrated pulp, e.g. pulp mats, on filtering surfaces

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)
SE8306511A 1982-12-08 1983-11-25 Metod och apparat foer tvaettning av pappersmassa SE461990B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/447,960 US4491501A (en) 1982-12-08 1982-12-08 Method for washing a fibrous particle mat with wash liquor having an impact energy sufficient to disrupt and rearrange the interstitial pore matrix

Publications (3)

Publication Number Publication Date
SE8306511D0 true SE8306511D0 (sv) 1983-11-25
SE8306511L SE8306511L (sv) 1984-06-09
SE461990B SE461990B (sv) 1990-04-23

Family

ID=23778448

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8306511A SE461990B (sv) 1982-12-08 1983-11-25 Metod och apparat foer tvaettning av pappersmassa

Country Status (4)

Country Link
US (1) US4491501A (sv)
CA (1) CA1225267A (sv)
FI (1) FI75005C (sv)
SE (1) SE461990B (sv)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4670099A (en) * 1983-02-04 1987-06-02 Lavalley Industrial Plastics, Inc. Method and apparatus for washing a mat of pulp stock on a drum filter
US4719772A (en) * 1985-02-21 1988-01-19 Michael Scheck Apparatus for removing ink particles from paper products
US4680088A (en) * 1985-02-21 1987-07-14 Michael Scheck Process for removing ink particles from paper products
FI74752C (sv) * 1986-03-20 1992-12-01 Ahlstroem Oy Förfarande och anordning för tvättning av cellulosa
JPH089838B2 (ja) * 1987-07-08 1996-01-31 エイ．アフルストロム コ−ポレ−ション 繊維懸濁液を濃化する方法と装置
US5156750A (en) * 1987-07-08 1992-10-20 A. Ahlstrom Corporation Method and apparatus for thickening a fiber suspension and removing fine particles therefrom
US4986881A (en) * 1989-06-28 1991-01-22 Kamyr, Inc. Method and apparatus for liquid treatment of and liquid extraction on a paper pulp
US5266168A (en) * 1991-12-20 1993-11-30 The Black Clawson Company Gravity type pulp washer or thickener with rotating disrupters
US5965017A (en) * 1997-07-15 1999-10-12 Paper Inc. Sealed shower system for rotary vacuum filter
FI118277B (sv) 2002-03-25 2007-09-14 Environics Oy Cellstruktur, instrument och metod
US20040060674A1 (en) * 2002-10-01 2004-04-01 George Seymour Method for measuring the percent consistency of pulp leaving a blow tank
DE102004033328A1 (de) * 2004-07-09 2006-02-09 Bhs-Sonthofen Gmbh Filter mit Feststoff-Resuspendierung
SE528722C2 (sv) * 2005-06-03 2007-01-30 Metso Paper Inc Anordning för behandling av cellulosamassa i en tvättapparat anordnad med en förstärkande spant
SE542326C2 (en) * 2018-06-21 2020-04-14 Valmet Oy Vacuum filter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3032100A (en) * 1958-12-31 1962-05-01 Schibbye Lauritz Benedictus Device for even spreading of water onto a running web, particularly a cellulosic pulp web
GB1010296A (en) * 1961-08-25 1965-11-17 Eimco Corp Improvements in or relating to aqueous caustic soda production
US3363774A (en) * 1965-04-12 1968-01-16 Improved Machinery Inc Rotary drum filter
US3409139A (en) * 1965-09-03 1968-11-05 Dorr Oliver Inc Rotary-vacuum filter drum and suction box arrangement
US3403786A (en) * 1966-08-25 1968-10-01 Improved Machinery Inc Rotary drum filter
US3487941A (en) * 1967-05-10 1970-01-06 Pertti Olavi Haapamaki Pressure washer
SE406944B (sv) * 1976-04-14 1979-03-05 Mo Och Domsjoe Ab Forfarande for att reglera tillsatsen av suspensinsvetska vid kontinuerlig tvettning av suspensioner
US4297164A (en) * 1980-03-10 1981-10-27 Weyerhaeuser Company Process for displacement washing of porous media

Also Published As

Publication number Publication date
US4491501A (en) 1985-01-01
FI75005C (sv) 1988-04-11
FI834460A (fi) 1984-06-09
SE461990B (sv) 1990-04-23
CA1225267A (en) 1987-08-11
FI75005B (fi) 1987-12-31
SE8306511L (sv) 1984-06-09
FI834460A0 (fi) 1983-12-05

Similar Documents

Publication Publication Date Title
SE8306511D0 (sv) Method and apparatus for washing paper pulp
PT78458B (en) Process and device for the recovery of chemicals from pulp wast liquor
SE7514189L (sv) Sett och anordning for behandling av en uppslamning av cellulosahaltigt material
NO162977C (no) Filt for fremstilling av en vaatpressefilt for en papirmaskin, samt fremgangsmaate ved fremstilling derav.
AR221923A1 (es) Aparato para lavar pulpa de celulosa
ATE14762T1 (de) Verfahren zur verbesserung des waschens von cellulosepulpen, hergestellt aus lignocellulosematerial.
BR8402445A (pt) Dispositivo e conjunto espremedor a vacuo para filtro de vacuo de tambor rotativo,processo de filtragem de pasta fluida de polpa e processo de lavagem e de filtragem
NO142410C (no) Apparat for vasking og avvanning av suspensjoner, f.eks. cellulose
SE8400801L (sv) Forfarande for behandling av fran en cellulosakokningsprocess erhallen cellulosa
ATE36565T1 (de) Peroxydbleichverfahren fuer cellulose enthaltendes material.
FI865136A0 (fi) Foerfarande och anordning foer urvattning av fibersuspensioner.
FI804047L (fi) Foerfarande foer framstaellning av viskos
DE69107620D1 (de) Herstellungsverfahren von lignozellulosischem zellstoff und vorrichtung zur durchführung des verfahrens.
ES2101830T3 (es) Proceso de reduccion a pasta en la fabricacion de papel.
SE8205241L (sv) Sett vid blekning av cellulosahaltigt material
FR2158873A5 (en) Bleaching of wood cellulose - using nitrogen oxides
MX167744B (es) Un metodo para lavar pasta de papel celulosica alclina
FR2353673A1 (fr) Cuisson alcaline et delignification des matieres cellulosiques
SU1490201A1 (ru) Устройство дл релаксационной промывки целлюлозы
Lincoln et al. METHOD OF BLEACHING WOOD PULP
FI46534C (sv) Tvättfilter för filtrering och tvättning av fibersuspension, speciellt massasuspension.
FR2446354A1 (fr) Procede de lavage d'une pulpe cellulosique de bois
GB1064949A (en) Process for the removal of water from suspensions of fibrous materials
JPS53140870A (en) Dehydrating tank for washing machine
KR850003740A (ko) 프라스틱 피복고지에서 섬유 회수방법

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 8306511-0

Effective date: 19930610

Format of ref document f/p: F