ES2086183T3 - Procedimiento para la deslignificacion de una pasta papelera quimica. - Google Patents

Procedimiento para la deslignificacion de una pasta papelera quimica.

Info

Publication number
ES2086183T3
ES2086183T3 ES93201885T ES93201885T ES2086183T3 ES 2086183 T3 ES2086183 T3 ES 2086183T3 ES 93201885 T ES93201885 T ES 93201885T ES 93201885 T ES93201885 T ES 93201885T ES 2086183 T3 ES2086183 T3 ES 2086183T3
Authority
ES
Spain
Prior art keywords
procedure
delignification
chemical paper
paper paste
peroxide
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 - Lifetime
Application number
ES93201885T
Other languages
English (en)
Inventor
Patricia B Walsh
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.)
SOLVAY INTEROX
Original Assignee
SOLVAY INTEROX
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=25425145&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2086183(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SOLVAY INTEROX filed Critical SOLVAY INTEROX
Application granted granted Critical
Publication of ES2086183T3 publication Critical patent/ES2086183T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

PROCEDIMIENTO PARA LA DESLIGNIFICACION DE UNA PASTA DE PAPEL QUIMICO POR MEDIO DE UN PEROXIDO ORGANICO, CONFORME AL CUAL SE TRATA LA PASTA CRUDA QUE PROVIENE DE LA OPERACION DE COCCION MEDIANTE UNA SOLUCION ACUOSA DE ESTE PEROXIDO ORGANICO, CUYO CONTENIDO DE PEROXIDO DE HIDROGENO NO EXCEDE DEL 20% DEL PESO DEL PEROXIACIDO.
ES93201885T 1992-07-06 1993-06-29 Procedimiento para la deslignificacion de una pasta papelera quimica. Expired - Lifetime ES2086183T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US90808392A 1992-07-06 1992-07-06

Publications (1)

Publication Number Publication Date
ES2086183T3 true ES2086183T3 (es) 1996-06-16

Family

ID=25425145

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93201885T Expired - Lifetime ES2086183T3 (es) 1992-07-06 1993-06-29 Procedimiento para la deslignificacion de una pasta papelera quimica.

Country Status (13)

Country Link
US (1) US5431781A (es)
EP (1) EP0578303B1 (es)
JP (1) JPH06108392A (es)
AT (1) ATE132926T1 (es)
AU (1) AU666375B2 (es)
BR (1) BR9302768A (es)
CA (1) CA2099828A1 (es)
DE (1) DE69301285T2 (es)
ES (1) ES2086183T3 (es)
FI (1) FI933105A7 (es)
NZ (1) NZ248082A (es)
SI (1) SI9300364A (es)
SK (1) SK70493A3 (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI942970A7 (fi) * 1994-06-20 1995-12-21 Kemira Chemicals Oy Menetelmä kemiallisen massan delignifioimiseksi
FI942968A7 (fi) * 1994-06-20 1995-12-21 Kemira Chemicals Oy Menetelmä kemiallisen massan delignifioimiseksi
FI98841C (fi) * 1994-06-20 1997-08-25 Kemira Chemicals Oy Menetelmä kemiallisen massan delignifioimiseksi
EP0858526A1 (en) * 1995-02-17 1998-08-19 Ahlstrom Machinery Oy Method of pretreating pulp to be bleached with peroxide
FI104572B (fi) 1996-05-30 2000-02-29 Kemira Chemicals Oy Menetelmä kemiallisen massan valkaisemiseksi
FR2814180B1 (fr) * 2000-09-18 2003-12-05 Michel Delmas Procede de blanchiment de pates a papier en milieu organique a hydratation controlee
DK2213678T3 (da) * 2007-10-17 2013-12-02 Nippon Steel & Sumikin Chem Co Fremgangsmåde til fremstilling af opløst lignin, saccharidråmateriale og monosaccharidråmateriale såvel som opløst lignin
US9551076B2 (en) 2011-05-31 2017-01-24 Clean Chemistry, Inc. Electrochemical reactor and process
US20170107128A1 (en) 2012-09-07 2017-04-20 Clean Chemistry, Inc. System and method for generation of reactive oxygen species and applications thereof
WO2016037149A1 (en) 2014-09-04 2016-03-10 Clean Chemistry, Inc. Method of water treatment utilizing a peracetate oxidant solution
US10472265B2 (en) 2015-03-26 2019-11-12 Clean Chemistry, Inc. Systems and methods of reducing a bacteria population in high hydrogen sulfide water
US10611656B2 (en) 2015-12-07 2020-04-07 Clean Chemistry, Inc. Methods of microbial control
US10883224B2 (en) 2015-12-07 2021-01-05 Clean Chemistry, Inc. Methods of pulp fiber treatment
FI127996B (en) 2016-07-01 2019-07-15 Kemira Oyj A process for treating pulp
US11136714B2 (en) 2016-07-25 2021-10-05 Clean Chemistry, Inc. Methods of optical brightening agent removal
US11001864B1 (en) 2017-09-07 2021-05-11 Clean Chemistry, Inc. Bacterial control in fermentation systems
US11311012B1 (en) 2017-09-07 2022-04-26 Clean Chemistry, Inc. Bacterial control in fermentation systems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1014536A (fr) * 1940-04-01 1952-08-18 Du Pont Perfectionnements au blanchiment des pâtes de bois
DE3005947B1 (de) * 1980-02-16 1981-01-29 Degussa Verfahren zur Bleiche von Zellstoffen mittels organischer Persaeure
JPS5721591A (en) * 1980-07-11 1982-02-04 Mitsubishi Gas Chemical Co Peroxide bleaching of wood pulp
US4793898A (en) * 1985-02-22 1988-12-27 Oy Keskuslaboratorio - Centrallaboratorium Ab Process for bleaching organic peroxyacid cooked material with an alkaline solution of hydrogen peroxide
US4826568A (en) * 1985-08-05 1989-05-02 Interox (Societe Anonyme) Process for delignification of cellulosic substances by pretreating with a complexing agent followed by peroxide prior to kraft digestion

Also Published As

Publication number Publication date
SI9300364A (en) 1994-03-31
DE69301285T2 (de) 1996-08-22
ATE132926T1 (de) 1996-01-15
FI933105L (fi) 1994-01-07
US5431781A (en) 1995-07-11
EP0578303A1 (fr) 1994-01-12
SK70493A3 (en) 1994-02-02
EP0578303B1 (fr) 1996-01-10
CA2099828A1 (fr) 1994-01-07
FI933105A0 (fi) 1993-07-06
JPH06108392A (ja) 1994-04-19
FI933105A7 (fi) 1994-01-07
NZ248082A (en) 1995-12-21
AU4170493A (en) 1994-01-13
AU666375B2 (en) 1996-02-08
BR9302768A (pt) 1994-02-08
DE69301285D1 (de) 1996-02-22

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