[go: up one dir, main page]

ES2089567T3 - Un metodo para blanqueo de pasta con ozono. - Google Patents

Un metodo para blanqueo de pasta con ozono.

Info

Publication number
ES2089567T3
ES2089567T3 ES92920388T ES92920388T ES2089567T3 ES 2089567 T3 ES2089567 T3 ES 2089567T3 ES 92920388 T ES92920388 T ES 92920388T ES 92920388 T ES92920388 T ES 92920388T ES 2089567 T3 ES2089567 T3 ES 2089567T3
Authority
ES
Spain
Prior art keywords
ozone
solution
sodium
essential
cellulose pulp
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
ES92920388T
Other languages
English (en)
Spanish (es)
Inventor
Rolf Carl August Brannland
Sture Erik Olof Noreus
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.)
Mo och Domsjo AB
Original Assignee
Mo och Domsjo AB
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 Mo och Domsjo AB filed Critical Mo och Domsjo AB
Application granted granted Critical
Publication of ES2089567T3 publication Critical patent/ES2089567T3/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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • 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)
  • Detergent Compositions (AREA)
ES92920388T 1991-09-17 1992-09-16 Un metodo para blanqueo de pasta con ozono. Expired - Lifetime ES2089567T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9102693A SE500053C2 (sv) 1991-09-17 1991-09-17 Ozonblekning varvid massan surgöres med genom elektrolys framställd svavelsyra

Publications (1)

Publication Number Publication Date
ES2089567T3 true ES2089567T3 (es) 1996-10-01

Family

ID=20383749

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92920388T Expired - Lifetime ES2089567T3 (es) 1991-09-17 1992-09-16 Un metodo para blanqueo de pasta con ozono.

Country Status (10)

Country Link
EP (1) EP0605565B1 (fr)
AT (1) ATE138989T1 (fr)
AU (1) AU657003B2 (fr)
CA (1) CA2116974A1 (fr)
DE (1) DE69211351T2 (fr)
ES (1) ES2089567T3 (fr)
FI (1) FI941238A0 (fr)
PT (1) PT100870B (fr)
SE (1) SE500053C2 (fr)
WO (1) WO1993006297A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9704298L (sv) * 1997-11-24 1999-05-25 Kvaerner Pulping Tech Förfarande vid blekning av cellulosa i ett slutet system under användning av Caro´s syra
KR101815677B1 (ko) * 2011-07-26 2018-01-30 롯데정밀화학 주식회사 셀룰로오스와 그 유도체의 탈색 방법
DE102013100997A1 (de) 2013-01-31 2014-07-31 Thyssenkrupp Resource Technologies Gmbh 1;2Verfahren und Anlage zur Mahlung von stückigem Ausgangsmaterial
CN115490372A (zh) * 2021-06-17 2022-12-20 中国石油化工股份有限公司 一种废旧棉制浆黑液处理方法及系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS503990B1 (fr) * 1969-02-19 1975-02-13
NO144711C (no) * 1978-04-04 1981-10-21 Myrens Verksted As Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon

Also Published As

Publication number Publication date
PT100870A (pt) 1994-01-31
SE500053C2 (sv) 1994-03-28
PT100870B (pt) 1999-07-30
FI941238A7 (fi) 1994-03-16
DE69211351D1 (de) 1996-07-11
ATE138989T1 (de) 1996-06-15
FI941238L (fi) 1994-03-16
EP0605565A1 (fr) 1994-07-13
EP0605565B1 (fr) 1996-06-05
AU657003B2 (en) 1995-02-23
SE9102693D0 (sv) 1991-09-17
DE69211351T2 (de) 1997-01-23
SE9102693L (sv) 1993-03-18
AU2663192A (en) 1993-04-27
CA2116974A1 (fr) 1993-04-01
FI941238A0 (fi) 1994-03-16
WO1993006297A1 (fr) 1993-04-01

Similar Documents

Publication Publication Date Title
ES2222505T3 (es) Metodo de produccion de pasta de papel que utiliza coccion en una sola etapa con acido formico y lavado con acido performico.
MX9201966A (es) Proceso para blanqueo de pasta que contiene lignocelulosa.
RU95117112A (ru) Способ дезинфицирования водных растворов
FI933729A0 (fi) Traedefibrering med aettikasyra genom att tillaegga myrsyror
EP0395792B1 (fr) Procédé de blanchiment de pâte
SI9300362A (en) Process for bleaching of chemical paper pulp
DE69420306T2 (de) Verfahren zum Bleichen von Lignozellulose-enthaltendem Zellstoff
GB1322750A (en) Decolourization of wood pulp bleach effluents
DE2415498A1 (de) Bleich- und rueckgewinnungsverfahren fuer kraftzellstoff
EP0141355B1 (fr) Procédé pour blanchir une pulpe de bois broyé
ES2089567T3 (es) Un metodo para blanqueo de pasta con ozono.
US4268350A (en) Method of treating pulp bleaching effluents
NO920968D0 (no) To-trinns blekeprosess for plantematerialer
US5169555A (en) Pulp bleaching solution
RU2128261C1 (ru) Способ отбелки целлюлозы
BR9913584A (pt) Processo para branqueamento eficiente com ozÈnio
FI91545C (fi) Parannettu peroksidivalkaisumenetelmä
JPH0217678B2 (fr)
FI85725B (fi) Foerfarande foer delignifiering av cellulosamaterial.
RU93031029A (ru) Способ получения беленой целлюлозы
FI88315B (fi) Foerfarande foer blekning av cellulosamassa
Akim et al. REDUCTION OF EFFLUENT VOLUME AND FRESH WATER CONSUMPTION(SNIZHENIE OB'EMA CTOCHNYKH VOD I RASKHODA SVEZHEJ VODY)
ES2109273T3 (es) Blanqueo de pasta de madera quimica empleando cloro/dioxido de cloro y luego ozono.
GB1059282A (en) Production of cellulosic fibre pulp
DK0654448T3 (da) Fremgangsmåde til behandling af restlud fra landbrugsfødevareindustrien

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 605565

Country of ref document: ES

FG2A Definitive protection

Ref document number: 605565

Country of ref document: ES