BR9508365A - Processo para a deslignificação de uma polpa quimica - Google Patents

Processo para a deslignificação de uma polpa quimica

Info

Publication number
BR9508365A
BR9508365A BR9508365A BR9508365A BR9508365A BR 9508365 A BR9508365 A BR 9508365A BR 9508365 A BR9508365 A BR 9508365A BR 9508365 A BR9508365 A BR 9508365A BR 9508365 A BR9508365 A BR 9508365A
Authority
BR
Brazil
Prior art keywords
pulp
pct
transition metal
activating
treatment
Prior art date
Application number
BR9508365A
Other languages
English (en)
Inventor
Paren Aarto
Jaakaaraa Jukka
Patola Juha
Original Assignee
Kemira Chemicals Oy
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 Kemira Chemicals Oy filed Critical Kemira Chemicals Oy
Publication of BR9508365A publication Critical patent/BR9508365A/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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BR9508365A 1994-06-20 1995-06-19 Processo para a deslignificação de uma polpa quimica BR9508365A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI942969A FI98841C (fi) 1994-06-20 1994-06-20 Menetelmä kemiallisen massan delignifioimiseksi
PCT/FI1995/000352 WO1995035407A1 (en) 1994-06-20 1995-06-19 Delignification of chemical pulp with peroxide in the presence of a transition metal

Publications (1)

Publication Number Publication Date
BR9508365A true BR9508365A (pt) 1997-10-28

Family

ID=8540967

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9508365A BR9508365A (pt) 1994-06-20 1995-06-19 Processo para a deslignificação de uma polpa quimica

Country Status (12)

Country Link
US (1) US6165318A (pt)
EP (1) EP0766761B1 (pt)
JP (1) JP3772991B2 (pt)
AT (1) ATE212391T1 (pt)
AU (1) AU2739995A (pt)
BR (1) BR9508365A (pt)
CA (1) CA2193204C (pt)
DE (1) DE69525156T2 (pt)
ES (1) ES2171541T3 (pt)
FI (1) FI98841C (pt)
PT (1) PT766761E (pt)
WO (1) WO1995035407A1 (pt)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6468472B1 (en) * 1999-09-16 2002-10-22 Metrex Research Corporation Cleaning and decontaminating dialyzers by per-compound solutions
US20030108462A1 (en) * 2001-12-06 2003-06-12 Oskoui Kazem Eradat Method of extracting contaminants from solid matter
AU2003209591A1 (en) * 2002-02-22 2003-09-09 Gilles Gervais Process of treating lignocellulosic material to produce bio-ethanol
US7754460B2 (en) 2003-12-03 2010-07-13 Danisco Us Inc. Enzyme for the production of long chain peracid
US8476052B2 (en) * 2003-12-03 2013-07-02 Danisco Us Inc. Enzyme for the production of long chain peracid
DK1689859T3 (da) 2003-12-03 2011-06-06 Danisco Us Inc Perhydrolase
CA2558266C (en) 2004-03-05 2017-10-17 Gen-Probe Incorporated Reagents, methods and kits for use in deactivating nucleic acids
US7351764B2 (en) * 2004-03-31 2008-04-01 Nalco Company Methods to enhance brightness of pulp and optimize use of bleaching chemicals
EP3575489B1 (en) * 2005-05-02 2021-02-17 International Paper Company Ligno cellulosic materials and the products made therefrom
US8268122B2 (en) 2005-12-02 2012-09-18 Akzo Nobel N.V. Process of producing high-yield pulp
US8871722B2 (en) * 2005-12-06 2014-10-28 Danisco Us Inc. Perhydrolase epitopes
BRPI0619560A2 (pt) * 2005-12-09 2011-10-04 Genencor Int sistema de enzima e métodos para descontaminação
JP5486810B2 (ja) * 2006-03-02 2014-05-07 ザ プロクター アンド ギャンブル カンパニー 表面活性漂白剤及び動的ｐＨ
US20090325252A1 (en) * 2008-06-27 2009-12-31 Law Donald L Process of treating cellulosic biomass material to produce ethanol
US9512237B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Method for inhibiting the growth of microbes with a modified cellulose fiber
WO2010138941A2 (en) 2009-05-28 2010-12-02 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
US9511167B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
US9512563B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Surface treated modified cellulose from chemical kraft fiber and methods of making and using same
US9951470B2 (en) 2013-03-15 2018-04-24 Gp Cellulose Gmbh Low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
CA2929443A1 (en) * 2013-11-06 2015-05-14 Evonik Industries Ag Method for delignifying and bleaching pulp
US9382283B2 (en) 2014-08-01 2016-07-05 American Science And Technology Corporation Oxygen assisted organosolv process, system and method for delignification of lignocellulosic materials and lignin recovery
US9950858B2 (en) 2015-01-16 2018-04-24 R.J. Reynolds Tobacco Company Tobacco-derived cellulose material and products formed thereof
US11154087B2 (en) 2016-02-02 2021-10-26 R.J. Reynolds Tobacco Company Method for preparing flavorful compounds isolated from black liquor and products incorporating the flavorful compounds
US10196778B2 (en) 2017-03-20 2019-02-05 R.J. Reynolds Tobacco Company Tobacco-derived nanocellulose material
CN107151931B (zh) * 2017-06-30 2019-01-25 陕西科技大学 一种用杂多酸提高粘胶纤维用溶解浆反应性能的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2219504C2 (de) * 1972-04-21 1974-10-03 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Mehrstufenbleiche von Zellstoffen mit erheblich reduziertem Chloreinsatz
SE420430B (sv) * 1978-02-17 1981-10-05 Mo Och Domsjoe Ab Forfarande for blekning och extraktion av lignocellulosahaltig material med peroxidhaltiga blekmedel
US4427490A (en) * 1978-04-07 1984-01-24 International Paper Company Delignification and bleaching process for lignocellulosic pulp with peroxide in the presence of metal additives
US4410397A (en) * 1978-04-07 1983-10-18 International Paper Company Delignification and bleaching process and solution for lignocellulosic pulp with peroxide in the presence of metal additives
CA1129161A (en) * 1978-04-07 1982-08-10 Robert C. Eckert Delignification and bleaching process and solution for lignocellulosic pulp with peroxide in the presence of metal additives
DE3005947B1 (de) * 1980-02-16 1981-01-29 Degussa Verfahren zur Bleiche von Zellstoffen mittels organischer Persaeure
US4661205A (en) * 1981-08-28 1987-04-28 Scott Paper Company Method of bleaching lignocellulosic material with peroxide catalyzed with a salt of a metal
DE402335T1 (de) * 1989-06-06 1992-04-09 Eka Nobel Ab, Surte Verfahren zum bleichen von lignocellulose enthaltenden zellstoffen.
ES2086183T3 (es) * 1992-07-06 1996-06-16 Solvay Interox Procedimiento para la deslignificacion de una pasta papelera quimica.

Also Published As

Publication number Publication date
AU2739995A (en) 1996-01-15
FI942969A0 (fi) 1994-06-20
CA2193204C (en) 2005-08-23
FI98841C (fi) 1997-08-25
DE69525156D1 (de) 2002-03-14
CA2193204A1 (en) 1995-12-28
ES2171541T3 (es) 2002-09-16
EP0766761B1 (en) 2002-01-23
PT766761E (pt) 2002-05-31
FI98841B (fi) 1997-05-15
EP0766761A1 (en) 1997-04-09
JP3772991B2 (ja) 2006-05-10
JPH10501587A (ja) 1998-02-10
US6165318A (en) 2000-12-26
DE69525156T2 (de) 2002-09-26
WO1995035407A1 (en) 1995-12-28
ATE212391T1 (de) 2002-02-15
FI942969A (fi) 1995-12-21

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B25A Requested transfer of rights approved

Owner name: KEMIRA OYJ (FI)

Free format text: TRANSFERIDO POR FUSAO DE: KEMIRA CHEMICALS OY

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 18A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2257 DE 08-04-2014 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.