DE69019350D1 - Umweltfreundlicheres verfahren zum bleichen von lignocellulosischen materialien. - Google Patents

Umweltfreundlicheres verfahren zum bleichen von lignocellulosischen materialien.

Info

Publication number
DE69019350D1
DE69019350D1 DE69019350T DE69019350T DE69019350D1 DE 69019350 D1 DE69019350 D1 DE 69019350D1 DE 69019350 T DE69019350 T DE 69019350T DE 69019350 T DE69019350 T DE 69019350T DE 69019350 D1 DE69019350 D1 DE 69019350D1
Authority
DE
Germany
Prior art keywords
iii
pulp
environmentally friendly
lignocellulosic materials
friendly method
Prior art date
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
DE69019350T
Other languages
English (en)
Other versions
DE69019350T2 (de
Inventor
Bruce Griggs
Thomas Gandek
Michael Pikulin
Allen Rosen
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.)
Union Camp Patent Holding Inc
Original Assignee
Union Camp Patent Holding Inc
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=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69019350(D1) "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 Inc filed Critical Union Camp Patent Holding Inc
Application granted granted Critical
Publication of DE69019350D1 publication Critical patent/DE69019350D1/de
Publication of DE69019350T2 publication Critical patent/DE69019350T2/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
    • D21C9/10—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)
DE69019350T 1990-05-17 1990-05-17 Umweltfreundlicheres verfahren zum bleichen von lignocellulosischen materialien. Expired - Fee Related DE69019350T2 (de)

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
DE69019350D1 true DE69019350D1 (de) 1995-06-14
DE69019350T2 DE69019350T2 (de) 1996-02-15

Family

ID=22220868

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69019350T Expired - Fee Related DE69019350T2 (de) 1990-05-17 1990-05-17 Umweltfreundlicheres verfahren zum bleichen von lignocellulosischen materialien.

Country Status (16)

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

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
WO1992012289A1 (en) * 1991-01-03 1992-07-23 Union Camp Patent Holding, Inc. Chlorine-free process for bleaching lignocellulosic pulp
SE468355B (sv) * 1991-04-30 1992-12-21 Eka Nobel Ab Blekning av kemisk massa genom behandling med komplexbildare och ozon
EP0515303B2 (de) † 1991-05-24 2001-07-04 Union Camp Patent Holding, Inc. Verfahren zum Bleichen mit Ozon
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
SE469387B (sv) * 1992-05-11 1993-06-28 Kamyr Ab Saett vid blekning av massa utan anvaendning av klorkemikalier
CA2144433A1 (en) * 1992-10-01 1994-04-14 Thomas P. Gandek Improved bleaching of high consistency lignocellulosic 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
BR9407409A (pt) * 1993-09-02 1996-11-12 Union Camp Patent Holding Processo para tratar polpa lignocelulósica antes da etapa de alvejamento e deslignificar a mesma na etapa de deslignificação por oxigênio
BR9407457A (pt) * 1993-09-03 1996-11-12 Union Camp Patent Holding Processo para a preparação de uma polpa alvejada possuindo um certo brilho e uma certa resistência como indicado por uma certa viscosidade
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
ATE176285T1 (de) * 1994-06-27 1999-02-15 Champion Int Corp Verbessertes verfahren zum wiedergewinnen von filtraten von blechgeräte
US5672247A (en) * 1995-03-03 1997-09-30 Union Camp Patent Holding, Inc. Control scheme for rapid pulp delignification and bleaching
US5736004A (en) * 1995-03-03 1998-04-07 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
NO300929B1 (no) 1997-08-18
NO920217D0 (no) 1992-01-16
CN1069304A (zh) 1993-02-24
CN1043798C (zh) 1999-06-23
ZA915969B (en) 1992-04-29
EP0483163A1 (de) 1992-05-06
PT98487A (pt) 1993-01-29
BR9007533A (pt) 1992-04-28
DE69019350T2 (de) 1996-02-15
JPH05500243A (ja) 1993-01-21
ATE122421T1 (de) 1995-05-15
SE9200107L (en) 1992-03-13
CA2063591C (en) 1998-02-03
JP2825346B2 (ja) 1998-11-18
RU2102547C1 (ru) 1998-01-20
PT98487B (pt) 1998-06-30
AU638017B2 (en) 1993-06-17
EP0483163A4 (en) 1992-08-05
WO1991018145A1 (en) 1991-11-28
EP0483163B1 (de) 1995-05-10
KR920703922A (ko) 1992-12-18
NO920217L (no) 1992-03-05
CA2063591A1 (en) 1991-11-18
SE9200107D0 (sv) 1992-01-15
AU5676890A (en) 1991-12-10
ES2073027T3 (es) 1995-08-01

Similar Documents

Publication Publication Date Title
DE69019350T2 (de) Umweltfreundlicheres verfahren zum bleichen von lignocellulosischen materialien.
SE7902901L (sv) Sett for blekning av oxygendelignifierad, cellulosahaltig massa med ozon
SE8504236L (sv) Forbettrad oxidativ extraktion
DE69009868T2 (de) Zellstoffkochen mit hoher Sulfidität, durch Sulfonierung von gedämpften Holzspänen mit Schwarzlauge.
FI852505A0 (fi) Metod foer avlaegsnande av lignin och blekning av cellulosa.
FI963985A (fi) Menetelmä massan kompleksikäsittelylle klooridioksidivaiheen yhteydessä
SE9700992D0 (sv) Method of bleaching kraft pulp
EP0442806A1 (de) Verfahren zur Herstellung von Zellstoff aus lignozellulosehaltigen Materialien
SE8003911L (sv) Forfarande for syrgasblekning av cellulosamassa
ATE115208T1 (de) Verfahren zum bleichen von lignozellulosehaltigen materialien.
SE9202561D0 (sv) Tillverkning av cellulosa
SE8604852L (sv) Delignifiering och blekning av en cellulosamassa med en alkali-syre-hypokloritextraktion
KR930701654A (ko) 고 경점도 산소 탈리그닌화를 제공하기 위해 펄프에 알칼리를 첨가하는 방법
ATE147808T1 (de) Modifikation von einer waschpresse zur delignifizierung mittels sauerstoff
AU2001282184A1 (en) Steaming process
RU2138590C1 (ru) Способ получения целлюлозы для химической переработки
SE8306139D0 (sv) Process and alkaline sulfite-sulfide cooking liquor for the preparation of pulp out of lignin-containing cellulose raw-material
SE9002001L (sv) Metod foer tillfoersel av vaeteperoxid i cellulosasuspensioner
ES2005387A6 (es) Procedimiento de varias etapas para el blanqueo de pastas papeleras alcalinas.
TH33893A (th) วิธีการทำให้เยื่อที่มีลิกนินขาวในระหว่างการผลิต
RU92004578A (ru) Способ интенсифицированной избирательной кислородной делигнификации высококонсистентной суспензии древеснобумажной массы

Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee