SE0403202L - Metod för syrgasdelignifiering av cellulosamassa med inmixning av kemikalier vid högt tryck - Google Patents

Metod för syrgasdelignifiering av cellulosamassa med inmixning av kemikalier vid högt tryck

Info

Publication number
SE0403202L
SE0403202L SE0403202A SE0403202A SE0403202L SE 0403202 L SE0403202 L SE 0403202L SE 0403202 A SE0403202 A SE 0403202A SE 0403202 A SE0403202 A SE 0403202A SE 0403202 L SE0403202 L SE 0403202L
Authority
SE
Sweden
Prior art keywords
pulp
pressure
run
delignification
dwell time
Prior art date
Application number
SE0403202A
Other languages
English (en)
Swedish (sv)
Other versions
SE526707C2 (sv
SE0403202D0 (sv
Inventor
Vidar Snekkenes
Jonas Saetheraasen
Lennart Gustavsson
Martin Ragnar
Original Assignee
Kvaerner Pulping Tech
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 Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Priority to SE0403202A priority Critical patent/SE0403202L/xx
Publication of SE0403202D0 publication Critical patent/SE0403202D0/sv
Priority to US10/595,839 priority patent/US20080271861A1/en
Priority to BRPI0506424-4A priority patent/BRPI0506424A/pt
Priority to EP05777705A priority patent/EP1834034A4/en
Priority to CA002559362A priority patent/CA2559362A1/en
Priority to PCT/SE2005/001274 priority patent/WO2006071163A1/en
Priority to JP2007549311A priority patent/JP2008527183A/ja
Publication of SE526707C2 publication Critical patent/SE526707C2/sv
Publication of SE0403202L publication Critical patent/SE0403202L/xx

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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SE0403202A 2004-12-30 2004-12-30 Metod för syrgasdelignifiering av cellulosamassa med inmixning av kemikalier vid högt tryck SE0403202L (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE0403202A SE0403202L (sv) 2004-12-30 2004-12-30 Metod för syrgasdelignifiering av cellulosamassa med inmixning av kemikalier vid högt tryck
US10/595,839 US20080271861A1 (en) 2004-12-30 2005-09-05 Method for Oxygen Delignification of Cellulose Pulp by Mixing of Chemicals
BRPI0506424-4A BRPI0506424A (pt) 2004-12-30 2005-09-05 método para deslignificação por oxigênio de polpa de celulose através de mistura de produtos quìmicos
EP05777705A EP1834034A4 (en) 2004-12-30 2005-09-05 PROCESS FOR OXYGEN DELIGNIFICATION OF PAPER PULP BY MIXING CHEMICAL SUBSTANCES
CA002559362A CA2559362A1 (en) 2004-12-30 2005-09-05 Method for oxygen delignification of cellulose pulp by mixing of chemicals
PCT/SE2005/001274 WO2006071163A1 (en) 2004-12-30 2005-09-05 Method for oxygen delignification of cellulose pulp by mixing of chemicals
JP2007549311A JP2008527183A (ja) 2004-12-30 2005-09-05 薬剤の混合によりセルロースパルプの酸素での脱リグニン方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0403202A SE0403202L (sv) 2004-12-30 2004-12-30 Metod för syrgasdelignifiering av cellulosamassa med inmixning av kemikalier vid högt tryck

Publications (3)

Publication Number Publication Date
SE0403202D0 SE0403202D0 (sv) 2004-12-30
SE526707C2 SE526707C2 (sv) 2005-10-25
SE0403202L true SE0403202L (sv) 2005-10-25

Family

ID=34102144

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0403202A SE0403202L (sv) 2004-12-30 2004-12-30 Metod för syrgasdelignifiering av cellulosamassa med inmixning av kemikalier vid högt tryck

Country Status (7)

Country Link
US (1) US20080271861A1 (pt)
EP (1) EP1834034A4 (pt)
JP (1) JP2008527183A (pt)
BR (1) BRPI0506424A (pt)
CA (1) CA2559362A1 (pt)
SE (1) SE0403202L (pt)
WO (1) WO2006071163A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100317053A1 (en) * 2009-06-15 2010-12-16 Andritz Inc. Process machinery for feeding pre-treated lignocellulosic materials into bioreactors for bio-fuels and biochemicals
SE540043C2 (en) * 2015-11-27 2018-03-06 Valmet Oy Method and system for oxygen delignification of cellulose pulp

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4363697A (en) * 1979-12-03 1982-12-14 The Black Clawson Company Method for medium consistency oxygen delignification of pulp
US5217575A (en) * 1988-10-18 1993-06-08 Kamyr Ab Process for oxygen bleaching using two vertical reactors
US5460696A (en) * 1993-08-12 1995-10-24 The Boc Group, Inc. Oxygen delignification method incorporating wood pulp mixing apparatus
SE9401628L (sv) * 1994-05-10 1995-11-11 Stora Kopparbergs Bergslags Ab Förfarande vid syrgasdelignifiering
SE505141C2 (sv) * 1995-10-23 1997-06-30 Sunds Defibrator Ind Ab Syrgasdelignifiering av massa i två steg med hög satsning av alkali och syrgas och temperatur under 90 C i första steget
US6319357B1 (en) * 1995-10-23 2001-11-20 Valmet Fibertech Aktiebolag Method for two-stage oxygen bleaching and delignification of chemical pulp
WO1997020983A1 (en) * 1995-12-07 1997-06-12 Beloit Technologies, Inc. Oxygen delignification of medium consistency pulp slurry
SE510740C2 (sv) * 1996-11-26 1999-06-21 Sunds Defibrator Ind Ab Styrning av syrgasdelignifiering
SE522593C2 (sv) * 1999-07-06 2004-02-24 Kvaerner Pulping Tech System och förfarande för syragasdelignifiering av massa av lignocellulosahaltigt material

Also Published As

Publication number Publication date
SE526707C2 (sv) 2005-10-25
WO2006071163A1 (en) 2006-07-06
BRPI0506424A (pt) 2006-12-26
EP1834034A4 (en) 2012-12-19
US20080271861A1 (en) 2008-11-06
EP1834034A1 (en) 2007-09-19
JP2008527183A (ja) 2008-07-24
CA2559362A1 (en) 2006-07-06
SE0403202D0 (sv) 2004-12-30

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Legal Events

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NUG Patent has lapsed