PT98487A - Processo de producao de uma pasta branqueada e de deslenhificacao e branqueamento de materiais lenhocelulosicos - Google Patents

Processo de producao de uma pasta branqueada e de deslenhificacao e branqueamento de materiais lenhocelulosicos

Info

Publication number
PT98487A
PT98487A PT98487A PT9848791A PT98487A PT 98487 A PT98487 A PT 98487A PT 98487 A PT98487 A PT 98487A PT 9848791 A PT9848791 A PT 9848791A PT 98487 A PT98487 A PT 98487A
Authority
PT
Portugal
Prior art keywords
iii
pulp
bleaching
lenhocellulosic
dislenchification
Prior art date
Application number
PT98487A
Other languages
English (en)
Other versions
PT98487B (pt
Inventor
Bruce F Griggs
Thomas P Gandek
Michael A Pikulin
Allen Rosen
Original Assignee
Union Camp Patent Holding
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22220868&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT98487(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Union Camp Patent Holding filed Critical Union Camp Patent Holding
Publication of PT98487A publication Critical patent/PT98487A/pt
Publication of PT98487B publication Critical patent/PT98487B/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
    • 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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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
    • 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
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Detergent Compositions (AREA)
PT98487A 1990-05-17 1991-07-29 Processo de producao de uma pasta branqueada e de deslenhificacao e branqueamento de materiais lenhocelulosicos PT98487B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1990/002823 WO1991018145A1 (en) 1990-05-17 1990-05-17 Environmentally improved process for bleaching lignocellulosic materials

Publications (2)

Publication Number Publication Date
PT98487A true PT98487A (pt) 1993-01-29
PT98487B PT98487B (pt) 1998-06-30

Family

ID=22220868

Family Applications (1)

Application Number Title Priority Date Filing Date
PT98487A PT98487B (pt) 1990-05-17 1991-07-29 Processo de producao de uma pasta branqueada e de deslenhificacao e branqueamento de materiais lenhocelulosicos

Country Status (16)

Country Link
EP (1) EP0483163B1 (pt)
JP (1) JP2825346B2 (pt)
KR (1) KR920703922A (pt)
CN (1) CN1043798C (pt)
AT (1) ATE122421T1 (pt)
AU (1) AU638017B2 (pt)
BR (1) BR9007533A (pt)
CA (1) CA2063591C (pt)
DE (1) DE69019350T2 (pt)
ES (1) ES2073027T3 (pt)
NO (1) NO300929B1 (pt)
PT (1) PT98487B (pt)
RU (1) RU2102547C1 (pt)
SE (1) SE9200107L (pt)
WO (1) WO1991018145A1 (pt)
ZA (1) ZA915969B (pt)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5472572A (en) * 1990-10-26 1995-12-05 Union Camp Patent Holding, Inc. Reactor for bleaching high consistency pulp with ozone
US5441603A (en) * 1990-05-17 1995-08-15 Union Camp Patent Holding, Inc. Method for chelation of pulp prior to ozone delignification
US5328564A (en) * 1990-09-17 1994-07-12 Kamyr, Inc. Modified digestion of paper pulp followed by ozone bleaching
BR9205490A (pt) * 1991-01-03 1994-04-05 Union Camp Patent Holding Processos para a fabricacao de pasta branqueada tendo um britho GE final de pelo menos cerca de 75 e para a deslignificacao e branqueamento de uma pasta lignocelulosica
SE468355B (sv) * 1991-04-30 1992-12-21 Eka Nobel Ab Blekning av kemisk massa genom behandling med komplexbildare och ozon
CA2068981C (en) † 1991-05-24 1996-08-27 Michael A. Pikulin Two stage pulp bleaching reactor
US5364503A (en) * 1992-02-20 1994-11-15 Macmillan Bloedel Limited Nitric oxide treatment for ozone bleaching
CA2089516A1 (en) * 1992-02-21 1993-08-22 Kaj Henricson Chlorine free pulping and bleaching sequence
SE9201477L (sv) * 1992-05-11 1993-06-28 Kamyr Ab Saett vid blekning av massa utan anvaendning av klorkemikalier
EP0663030A4 (en) * 1992-10-01 1995-12-06 Union Camp Patent Holding IMPROVED BLEACHING OF HIGH CONSISTENCY pulp.
US5403441A (en) * 1992-11-13 1995-04-04 Union Camp Patent Holding, Inc. Method for controlling an ozone bleaching process
SE501613C2 (sv) * 1993-08-03 1995-03-27 Kvaerner Pulping Tech Sätt vid integrering av blekning och återvinning vid framställning av massa
CA2170398A1 (en) * 1993-09-02 1995-03-09 Michael A. Pikulin Improved method for bleaching lignocellulosic pulp
WO1995006773A1 (en) * 1993-09-03 1995-03-09 Union Camp Patent Holding, Inc. Medium consistency ozone brightening of high consistency ozone bleached pulp
US5810973A (en) * 1993-09-21 1998-09-22 Beloit Technologies, Inc. Apparatus for producing small particles from high consistency wood pulp
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
EP0831170A3 (en) * 1994-06-27 1998-11-11 Champion International Corporation Improved process for recycling bleach plant filtrate
US5736004A (en) * 1995-03-03 1998-04-07 Union Camp Patent Holding, Inc. Control scheme for rapid pulp delignification and bleaching
US5672247A (en) * 1995-03-03 1997-09-30 Union Camp Patent Holding, Inc. Control scheme for rapid pulp delignification and bleaching
US5944952A (en) * 1995-07-26 1999-08-31 Beloit Technologies, Inc. Method for bleaching high consistency pulp with a gaseous bleaching reagent
CN1050642C (zh) * 1996-06-25 2000-03-22 华南理工大学 高浓纸浆过氧化氢漂白方法
US6077396A (en) * 1997-05-16 2000-06-20 Lariviere; Christopher J. Apparatus for fluffing and contacting high consistancy wood pulp with a gaseous bleaching reagent
ID23571A (id) * 1997-08-25 2000-05-04 Praxair Technology Inc Metoda penerapan ozon dalam pemutihan ecf
FR2910027B1 (fr) * 2006-12-13 2009-11-06 Itt Mfg Enterprises Inc Procede de blanchiment des pates papeteries chimiques par traitement final a l'ozone a haute temperature
FI119062B (fi) * 2006-12-28 2008-07-15 Upm Kymmene Corp Menetelmä mekaanisen massan valmistamiseksi
JP4973284B2 (ja) * 2007-03-30 2012-07-11 栗田工業株式会社 パルプ洗浄剤、パルプ製造方法、及びパルプ洗浄方法
US8497097B2 (en) * 2010-08-11 2013-07-30 Georgia Tech Research Corporation Chlorine dioxide treatment of biomass feedstock
CN104313933A (zh) * 2014-09-23 2015-01-28 华南理工大学 一种硫酸盐蔗渣浆绿色漂白方法
CN115584653B (zh) * 2022-12-12 2023-03-10 河南禾力能源有限公司 一种利用糠醛渣提取α-纤维素的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1090510A (en) * 1976-06-02 1980-12-02 Arthur W. Kempf Delignification and bleaching of a lignocellulosic pulp slurry with ozone
JPS5390402A (en) * 1977-01-12 1978-08-09 Kogyo Gijutsuin Pulp bleaching method
FI67413C (fi) * 1977-04-27 1985-03-11 Myrens Verksted As Foerfarande foer behandling av finfoerdelad fiberhaltig eller cellulosahaltig massa samt anordning foer utfoerande av foerfarandet
US4216054A (en) * 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
NO142091C (no) * 1977-10-17 1980-06-25 Myrens Verksted As Fremgangsmaate ved ozonbehandling av raffinoermekanisk og termomekanisk masse.
JPS5679797A (en) * 1979-11-30 1981-06-30 Weyerhaeuser Co Bleaching of cellulose fiber
US4619733A (en) * 1983-11-30 1986-10-28 Kooi Boon Lam Pollution free pulping process using recycled wash effluent from multiple bleach stages to remove black liquor and recovering sodium hydroxide from the black liquor
US4806203A (en) * 1985-02-14 1989-02-21 Elton Edward F Method for alkaline delignification of lignocellulosic fibrous material at a consistency which is raised during reaction
CA2015296C (en) * 1989-05-31 2001-08-07 Karnail Atwal Pyranyl cyanoguanidine derivatives
CA2053035C (en) * 1990-10-12 1997-09-30 Repap Enterprises Inc. Chlorine-free wood pulps and process of making

Also Published As

Publication number Publication date
CA2063591A1 (en) 1991-11-18
SE9200107D0 (sv) 1992-01-15
DE69019350T2 (de) 1996-02-15
CN1043798C (zh) 1999-06-23
NO920217D0 (no) 1992-01-16
ES2073027T3 (es) 1995-08-01
EP0483163B1 (en) 1995-05-10
ZA915969B (en) 1992-04-29
PT98487B (pt) 1998-06-30
CA2063591C (en) 1998-02-03
ATE122421T1 (de) 1995-05-15
AU638017B2 (en) 1993-06-17
JP2825346B2 (ja) 1998-11-18
KR920703922A (ko) 1992-12-18
BR9007533A (pt) 1992-04-28
NO300929B1 (no) 1997-08-18
EP0483163A1 (en) 1992-05-06
RU2102547C1 (ru) 1998-01-20
JPH05500243A (ja) 1993-01-21
NO920217L (no) 1992-03-05
DE69019350D1 (de) 1995-06-14
WO1991018145A1 (en) 1991-11-28
AU5676890A (en) 1991-12-10
SE9200107L (en) 1992-03-13
CN1069304A (zh) 1993-02-24
EP0483163A4 (en) 1992-08-05

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BB1A Laying open of patent application

Effective date: 19920130

FG3A Patent granted, date of granting

Effective date: 19980331

MM4A Annulment/lapse due to non-payment of fees, searched and examined patent

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Effective date: 20121001

MM4A Annulment/lapse due to non-payment of fees, searched and examined patent

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