BR9405953A - Processo ozônio/perácido aperfeiçoado para a delignificação de um material lignocelulósico - Google Patents

Processo ozônio/perácido aperfeiçoado para a delignificação de um material lignocelulósico

Info

Publication number
BR9405953A
BR9405953A BR9405953A BR9405953A BR9405953A BR 9405953 A BR9405953 A BR 9405953A BR 9405953 A BR9405953 A BR 9405953A BR 9405953 A BR9405953 A BR 9405953A BR 9405953 A BR9405953 A BR 9405953A
Authority
BR
Brazil
Prior art keywords
delignification
lignocellulosic material
improved ozone
peracid process
peracid
Prior art date
Application number
BR9405953A
Other languages
English (en)
Inventor
Raymond C Francis
Xiao-Zhu Zhang
Nicholas A Troughton
Original Assignee
Solvay Interox
Univ New York State Res Found
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 Solvay Interox, Univ New York State Res Found filed Critical Solvay Interox
Publication of BR9405953A publication Critical patent/BR9405953A/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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
BR9405953A 1993-03-22 1994-03-22 Processo ozônio/perácido aperfeiçoado para a delignificação de um material lignocelulósico BR9405953A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/034,092 US5411635A (en) 1993-03-22 1993-03-22 Ozone/peroxymonosulfate process for delignifying a lignocellulosic material
PCT/US1994/003447 WO1994021856A1 (en) 1993-03-22 1994-03-22 Improved ozone/peracid process for delignifying a lignocellulosic material

Publications (1)

Publication Number Publication Date
BR9405953A true BR9405953A (pt) 1995-12-19

Family

ID=21874258

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9405953A BR9405953A (pt) 1993-03-22 1994-03-22 Processo ozônio/perácido aperfeiçoado para a delignificação de um material lignocelulósico

Country Status (9)

Country Link
US (1) US5411635A (pt)
EP (1) EP0705362A4 (pt)
JP (1) JPH08511308A (pt)
AU (1) AU683461B2 (pt)
BR (1) BR9405953A (pt)
CA (1) CA2158563A1 (pt)
FI (1) FI954463A (pt)
NO (1) NO953712D0 (pt)
WO (1) WO1994021856A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5656130A (en) * 1995-04-28 1997-08-12 Union Camp Holding, Inc. Ambient temperature pulp bleaching with peroxyacid salts
FI964715A (fi) * 1996-11-26 1998-05-27 Keskuslaboratorio Menetelmä selluloosamassan valkaisemiseksi
EP0931874A1 (en) * 1998-01-22 1999-07-28 Degussa-Hüls Aktiengesellschaft Pulp bleaching process including final stage treatment step with salt of peroxymonosulfuric acid
AU8642698A (en) * 1998-07-31 2000-02-28 Asia Pulp & Paper Co Ltd An improved method for bleaching pulp
BR0005444A (pt) * 1999-11-19 2001-07-03 Praxair Technology Inc Processo para alvejamento de materiais lignocelulósicos
US6830578B2 (en) * 2001-11-26 2004-12-14 Neosurg Technologies, Inc. Trocar
US6960164B2 (en) * 2003-08-01 2005-11-01 Neosurg Technologies, Inc. Obturator tip for a trocar
US20050040065A1 (en) * 2003-08-22 2005-02-24 O'heeron Peter T. Medical procedure kit
US7320694B2 (en) * 2004-03-11 2008-01-22 Coopersurgical, Inc. Obturator tip
JP4967451B2 (ja) 2006-05-17 2012-07-04 三菱瓦斯化学株式会社 漂白パルプの製造方法
US20080087390A1 (en) * 2006-10-11 2008-04-17 Fort James Corporation Multi-step pulp bleaching
BRPI0821031B1 (pt) 2007-12-20 2018-05-15 Mitsubishi Gas Chemical Company, Inc. Processo para produção de polpa alvejada
CN106283794B (zh) * 2016-11-02 2017-11-21 江南大学 一种利用臭氧去除麻纤维木质素的方法
EP3887596A4 (en) * 2018-11-29 2022-08-24 RISE Innventia AB METHOD FOR PRODUCTION OF HOLOCELLULOSE AND RESISTANT AGENT FOR PAPER, METHOD FOR PRODUCTION OF PAPER, PRODUCT PAPER AND USE OF PRODUCT PAPER
WO2020141589A1 (ja) * 2018-12-31 2020-07-09 ユニ・チャーム株式会社 パルプ繊維原料を製造する方法、及びセルロース原料としてのパルプ繊維原料

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA902861A (en) * 1969-11-27 1972-06-20 Pulp And Paper Research Institute Of Canada Bleaching of cellulosic pulp
NO144711C (no) * 1978-04-04 1981-10-21 Myrens Verksted As Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon
US4404061A (en) * 1981-08-17 1983-09-13 International Paper Company Bleaching of lignocellulosic materials with monopersulfuric acid or its salts
US4475984A (en) * 1981-08-17 1984-10-09 International Paper Co. Process for pretreating wood chips with monoperoxy sulfuric acid or its salts prior to alkaline pulping
US4568420B1 (en) * 1984-12-03 1999-03-02 Int Paper Co Multi-stage bleaching process including an enhanced oxidative extraction stage
DE3544398A1 (de) * 1985-12-16 1987-06-19 Sueddeutsche Kalkstickstoff Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten
US4773966A (en) * 1986-09-29 1988-09-27 Regents Of The University Of Minnesota Oxidative degradation of lignin with inorganic metal complexes
ATE90404T1 (de) * 1988-01-25 1993-06-15 Acetocell Gmbh & Co Kg Verfahren zur behandlung von lignin enthaltender cellulosemasse mit ozon.
US4902381A (en) * 1988-12-09 1990-02-20 Kamyr, Inc. Method of bleaching pulp with ozone-chlorine mixtures
US5004523A (en) * 1989-03-30 1991-04-02 The United States Of America As Represented By The Secretary Of Agriculture Delignification of lignocellulosic materials with monoperoxysulfuric acid
US5091054A (en) * 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
JPH05302287A (ja) * 1992-04-22 1993-11-16 O D S:Kk パルプ漂白方法

Also Published As

Publication number Publication date
EP0705362A4 (en) 1997-02-26
CA2158563A1 (en) 1994-09-29
AU6494894A (en) 1994-10-11
NO953712L (no) 1995-09-20
NO953712D0 (no) 1995-09-20
US5411635A (en) 1995-05-02
AU683461B2 (en) 1997-11-13
FI954463A (fi) 1995-10-19
WO1994021856A1 (en) 1994-09-29
EP0705362A1 (en) 1996-04-10
JPH08511308A (ja) 1996-11-26
FI954463A0 (fi) 1995-09-21

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Legal Events

Date Code Title Description
EG Technical examination (opinion): publication of technical examination (opinion)
FC Decision: refusal