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
WO2000008251A1 (en) * 1998-07-31 2000-02-17 Asia Pulp & Paper Co. Ltd. An improved method for bleaching pulp
EP1101860A1 (en) * 1999-11-19 2001-05-23 Praxair Technology, Inc. Method for bleaching pulp with activated ozone
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
CA3120959A1 (en) * 2018-11-29 2020-06-04 Rise Innventia Ab Method of producing holocellulose and paper strength agent, process for the production of paper, the paper produced and use of the produced paper
JP7529399B2 (ja) * 2018-12-31 2024-08-06 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
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
US4404061A (en) * 1981-08-17 1983-09-13 International Paper Company Bleaching of lignocellulosic materials with monopersulfuric acid or its salts
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
ES2041828T3 (es) * 1988-01-25 1993-12-01 Acetocell Gmbh & Co. Kg Procedimiento para el tratamiento de masa de celulosa conteniendo lignina, con ozono.
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
AU683461B2 (en) 1997-11-13
AU6494894A (en) 1994-10-11
CA2158563A1 (en) 1994-09-29
JPH08511308A (ja) 1996-11-26
NO953712L (no) 1995-09-20
NO953712D0 (no) 1995-09-20
US5411635A (en) 1995-05-02
FI954463A (fi) 1995-10-19
EP0705362A1 (en) 1996-04-10
WO1994021856A1 (en) 1994-09-29
FI954463A0 (fi) 1995-09-21
EP0705362A4 (en) 1997-02-26

Similar Documents

Publication Publication Date Title
BR9306334A (pt) Processo para o branqueamento de polpa
BR9408596A (pt) Processo para alvejamento de polpa de madeira kraft
PT93103A (pt) Processo para a preparacao de um material linhocelulosico branqueado
BR9403589A (pt) Compostos, composição, aplicação e processo para a estabilização de material
BR9405953A (pt) Processo ozônio/perácido aperfeiçoado para a delignificação de um material lignocelulósico
BR9305759A (pt) Processo para a produçao de peróxido de hidrogenio
BR9002953A (pt) Processo para deslignificacao de material lignocelulosico
BR9610583A (pt) Composição detergente líquida concentrada e processo para preparar a mesma
BR9404176A (pt) Processo para o branqueamento de uma pasta de papel química
BR9200401A (pt) Processo para a delignificacao de materiais de fibras vegetais
BR9505502A (pt) Processo para deslignificação e branqueamento de polpa de organossolvente e polpa de organossolvente
PT90776A (pt) Processo para a deslenhificacao enzimatica de material lignocelulosico
BR9707272A (pt) Processo para a produção de um material lignocelulósico e o respectivo material lignocelulósico
BR9107257A (pt) Composicao detergente enzimatrica,processo para o tratamento de uma protease,e,protease
BR9100592A (pt) Processo para producao de polpa de material contendo lignocelulose
BR8707832A (pt) Processo para a fabricacao de produtos contendo fibras de material lignocelulosico
BR9605132A (pt) Processo para a decomposição de hidroperóxido de cicloalquila
BR9301360A (pt) Processo e aparelho para alimentar material solido para dentro de um espaco pressurizado
BR9305760A (pt) Processo para deslignificaçao de material lignocelulósico
BR9408532A (pt) Processo para a cocção contínua de polpa química
BR9206366A (pt) Processo para deslignificar polpa de madeira
BR9405943A (pt) Processo para a deslignificacão de uma pasta de papel quimica
FI960972A (fi) Menetelmä lignoselluloosasulpun valkaisemiseksi
BR9307135A (pt) Processo possuindo seletividade aumentada para alvejamento de polpa lignocelulósica
BR9407075A (pt) Processo para aumentar a estabilidade de lavagem de um artigo fibroso

Legal Events

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