ES2160300T3 - Procedimiento para el deslignificado y el blanqueo de pastas quimicas de papel. - Google Patents

Procedimiento para el deslignificado y el blanqueo de pastas quimicas de papel.

Info

Publication number
ES2160300T3
ES2160300T3 ES97400497T ES97400497T ES2160300T3 ES 2160300 T3 ES2160300 T3 ES 2160300T3 ES 97400497 T ES97400497 T ES 97400497T ES 97400497 T ES97400497 T ES 97400497T ES 2160300 T3 ES2160300 T3 ES 2160300T3
Authority
ES
Spain
Prior art keywords
whitening
procedure
unlinking
chemical paper
paper pastes
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
ES97400497T
Other languages
English (en)
Inventor
Michel Devic
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.)
Arkema France SA
Original Assignee
Atofina SA
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 Atofina SA filed Critical Atofina SA
Application granted granted Critical
Publication of ES2160300T3 publication Critical patent/ES2160300T3/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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

LA PRESENTE INVENCION SE REFIERE A UN PROCEDIMIENTO DE DESLIGNIFICACION Y DE BLANQUEO DE PULPAS DE PAPEL QUIMICAS QUE COMPRENDEN UNA O VARIAS ETAPAS DE TRATAMIENTO CON PEROXIDO DE HIDROGENO, A UNA TEMPERATURA SUPERIOR A 100 (GRADOS) C Y A PRESION ELEVADA EN PRESENCIA DE UN POLIMERO Y DE UN COMPUESTO A ELEGIDO ENTRE EL HIDROXIDO DE POTASIO, EL HIDROXIDO DE SODIO Y LOS CARBONATOS DE UN METAL ALCALINO O ALCALINOTERREO.
ES97400497T 1996-04-12 1997-03-04 Procedimiento para el deslignificado y el blanqueo de pastas quimicas de papel. Expired - Lifetime ES2160300T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9604611A FR2747407B1 (fr) 1996-04-12 1996-04-12 Procede de delignification et de blanchiment de pates a papier chimiques

Publications (1)

Publication Number Publication Date
ES2160300T3 true ES2160300T3 (es) 2001-11-01

Family

ID=9491158

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97400497T Expired - Lifetime ES2160300T3 (es) 1996-04-12 1997-03-04 Procedimiento para el deslignificado y el blanqueo de pastas quimicas de papel.

Country Status (9)

Country Link
US (1) US6554958B1 (es)
EP (1) EP0801169B1 (es)
JP (1) JP3054378B2 (es)
CN (1) CN1085756C (es)
CA (1) CA2200486C (es)
DE (1) DE69705255T2 (es)
ES (1) ES2160300T3 (es)
FR (1) FR2747407B1 (es)
NO (1) NO321519B1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI117393B (fi) 2003-01-10 2006-09-29 Kemira Oyj Menetelmä selluloosakuitumateriaalin valkaisemiseksi
FI120202B (fi) 2003-01-10 2009-07-31 Kemira Oyj Polymeerikoostumus ja sen käyttö
JP4595285B2 (ja) * 2003-02-28 2010-12-08 日本製紙株式会社 未晒クラフトパルプ処理方法および高白色度漂白パルプ製造方法
EP2113044A1 (en) * 2007-02-21 2009-11-04 SOLVAY (Société Anonyme) Process for the bleaching of paper pulp
EP2128331A1 (en) * 2008-05-26 2009-12-02 SOLVAY (Société Anonyme) Process for the bleaching of paper pulp
CN102002876A (zh) * 2010-09-17 2011-04-06 南开大学 一种草类原料无氯无硫清洁制浆方法
WO2013000074A1 (en) * 2011-06-30 2013-01-03 Nano-Green Biorefineries Inc. Catalytic biomass conversion
US11168151B2 (en) 2016-01-28 2021-11-09 Nano-Green Biorefineries Inc. Production of crystalline cellulose
FR3062138B1 (fr) * 2017-01-23 2019-06-07 Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses Procede de blanchiment d'une pate a papier

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU74434A1 (es) * 1976-02-25 1977-09-12
US4787959A (en) * 1977-07-29 1988-11-29 Atochem Process for preparing chemical paper pulps by cooking, intermediate grinding and a final alkaline peroxide delignification
DE3720806C2 (de) 1986-07-03 1997-08-21 Clariant Finance Bvi Ltd Verwendung eines Stabilisators in Peroxydbleichverfahren
US5241026A (en) 1986-07-03 1993-08-31 Sandoz Ltd. Polylactones of poly-α-hydroxyacrylic acid
SE466061B (sv) * 1990-04-23 1991-12-09 Eka Nobel Ab Blekning av kemisk massa genom behandling med foerst ett komplexbildande aemne och sedan ett peroxidinnehaallande aemne
CA2063351C (en) * 1992-03-18 1996-08-13 Stanley Alan Heimburger Process for bleaching hardwood pulp
SE500616C2 (sv) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck
SE501613C2 (sv) 1993-08-03 1995-03-27 Kvaerner Pulping Tech Sätt vid integrering av blekning och återvinning vid framställning av massa
FR2719854B1 (fr) * 1994-05-11 1996-06-21 Atochem Elf Sa Procédé de préparation de pâtes à papier chimiques délignifiées et blanchies.
FR2719853B1 (fr) 1994-05-11 1996-06-21 Atochem Elf Sa Procédé de délignification et de blanchiment d'une pâte à papier chimique.

Also Published As

Publication number Publication date
JP3054378B2 (ja) 2000-06-19
CN1167855A (zh) 1997-12-17
US6554958B1 (en) 2003-04-29
DE69705255D1 (de) 2001-07-26
CA2200486C (fr) 2002-01-15
CA2200486A1 (fr) 1997-10-12
EP0801169B1 (fr) 2001-06-20
JPH1025685A (ja) 1998-01-27
DE69705255T2 (de) 2001-10-11
NO971407D0 (no) 1997-03-25
NO971407L (no) 1997-10-13
CN1085756C (zh) 2002-05-29
EP0801169A1 (fr) 1997-10-15
FR2747407B1 (fr) 1998-05-07
NO321519B1 (no) 2006-05-15
FR2747407A1 (fr) 1997-10-17

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