DE3773204D1 - - Google Patents

Info

Publication number
DE3773204D1
DE3773204D1 DE88900488T DE3773204T DE3773204D1 DE 3773204 D1 DE3773204 D1 DE 3773204D1 DE 88900488 T DE88900488 T DE 88900488T DE 3773204 T DE3773204 T DE 3773204T DE 3773204 D1 DE3773204 D1 DE 3773204D1
Authority
DE
Germany
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
DE88900488T
Other languages
German (de)
Inventor
Monica S-163 27 Spanga Se Bokstroem
Raimo Sf-08100 Lohja Fi Rasimus
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.)
AGA AB
Original Assignee
AGA AB
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 SE8605510A external-priority patent/SE8605510L/
Application filed by AGA AB filed Critical AGA AB
Application granted granted Critical
Publication of DE3773204D1 publication Critical patent/DE3773204D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
DE88900488T 1986-12-22 1987-12-21 Expired - Fee Related DE3773204D1 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8605510A SE8605510L (sv) 1986-12-22 1986-12-22 Sett vid tvettning av massa
PCT/SE1987/000198 WO1988004705A1 (en) 1986-12-22 1987-04-16 Method for washing of alcaline pulp

Publications (1)

Publication Number Publication Date
DE3773204D1 true DE3773204D1 (fi) 1991-10-24

Family

ID=26659637

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88900488T Expired - Fee Related DE3773204D1 (fi) 1986-12-22 1987-12-21

Country Status (3)

Country Link
EP (1) EP0296198B1 (fi)
DE (1) DE3773204D1 (fi)
WO (1) WO1988004706A1 (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5401362A (en) * 1993-03-24 1995-03-28 Kamyr, Inc. Control of metals and dissolved organics in the bleach plant
US5509999A (en) * 1993-03-24 1996-04-23 Kamyr, Inc. Treatment of bleach plant effluents
SE502172C2 (sv) * 1993-12-15 1995-09-04 Mo Och Domsjoe Ab Förfarande för framställning av blekt cellulosamassa med en klorfri bleksekvens i närvaro av karbonat
SE502706E (sv) 1994-04-05 1999-06-18 Mo Och Domsjoe Ab Framställnng av blekt cellulosamassa genom blekning med klordioxid och behandling av komplexbildare i samma steg
SE516030C2 (sv) * 1994-11-14 2001-11-12 Aga Ab Regenerering av en gasblandning från ett ozonbleksteg
FI103520B (fi) 1998-03-03 1999-07-15 Upm Kymmene Corp Parannetut paperinvalmistusmenetelmät
FI991241A (fi) 1999-06-01 2000-12-02 Aga Ab Ligniinin valkaisu ja menetelmä paperin valmistamiseksi
FI110533B (fi) * 2000-05-04 2003-02-14 Aga Ab Menetelmä mikrobikasvun torjumiseksi
US7056419B2 (en) 2002-09-30 2006-06-06 American Air Liquide, Inc. Methods for modifying electrical properties of papermaking compositions using carbon dioxide
FI20070126A0 (fi) * 2006-09-08 2007-02-13 Linde Ag Menetelmä hartsin poistamiseksi massasta ja hiilidioksidin tai (bi)karbonaatin käyttö tähän tarkoitukseen
FI20075503L (fi) * 2007-07-03 2008-06-19 Stora Enso Oyj Menetelmä paperin valmistamiseksi ja happo/emäskäsittelyn käyttö paperin valmistuksessa

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI52876C (fi) * 1974-09-03 1978-10-17 Ahlstroem Oy Foerfarande foer tvaettning av en cellulosamassa fraon alkalikok

Also Published As

Publication number Publication date
EP0296198A1 (en) 1988-12-28
WO1988004706A1 (en) 1988-06-30
EP0296198B1 (en) 1991-09-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee