[go: up one dir, main page]

ES528138A0 - Procedimiento para el blanqueo con peroxido de material conteniendo lignocelulosa - Google Patents

Procedimiento para el blanqueo con peroxido de material conteniendo lignocelulosa

Info

Publication number
ES528138A0
ES528138A0 ES528138A ES528138A ES528138A0 ES 528138 A0 ES528138 A0 ES 528138A0 ES 528138 A ES528138 A ES 528138A ES 528138 A ES528138 A ES 528138A ES 528138 A0 ES528138 A0 ES 528138A0
Authority
ES
Spain
Prior art keywords
bleaching
pct
pulp
peroxide
procedure
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.)
Granted
Application number
ES528138A
Other languages
English (en)
Other versions
ES8505001A1 (es
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.)
Svenska Traforskningsinstitutet
Original Assignee
Svenska Traforskningsinstitutet
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 Svenska Traforskningsinstitutet filed Critical Svenska Traforskningsinstitutet
Publication of ES528138A0 publication Critical patent/ES528138A0/es
Publication of ES8505001A1 publication Critical patent/ES8505001A1/es
Expired 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Detergent Compositions (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Graft Or Block Polymers (AREA)
ES528138A 1982-12-17 1983-12-16 Procedimiento para el blanqueo con peroxido de material conteniendo lignocelulosa Expired ES8505001A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8207236A SE452346C (sv) 1982-12-17 1982-12-17 Foerfarande foer peroxidblekning av lignocellulosahaltigt material i tvaa steg

Publications (2)

Publication Number Publication Date
ES528138A0 true ES528138A0 (es) 1985-04-16
ES8505001A1 ES8505001A1 (es) 1985-04-16

Family

ID=20349053

Family Applications (1)

Application Number Title Priority Date Filing Date
ES528138A Expired ES8505001A1 (es) 1982-12-17 1983-12-16 Procedimiento para el blanqueo con peroxido de material conteniendo lignocelulosa

Country Status (13)

Country Link
US (1) US4734160A (es)
EP (1) EP0128190B1 (es)
JP (1) JPS60500263A (es)
AT (1) ATE36565T1 (es)
BR (1) BR8307656A (es)
CA (1) CA1234655A (es)
DE (1) DE3377724D1 (es)
ES (1) ES8505001A1 (es)
FI (1) FI843242A7 (es)
IT (1) IT1197760B (es)
NO (1) NO163631C (es)
SE (1) SE452346C (es)
WO (1) WO1984002366A1 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE455203B (sv) * 1986-10-20 1988-06-27 Eka Nobel Ab Forfarande for styrning av peroxidblekning av massa
FR2673813B1 (fr) * 1991-03-15 1995-02-24 Atochem Procede de blanchiment en deux etapes de matieres vegetales a usage alimentaire.
CA2063351C (en) * 1992-03-18 1996-08-13 Stanley Alan Heimburger Process for bleaching hardwood pulp
SE9301960L (sv) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck
JP2926518B2 (ja) * 1994-07-11 1999-07-28 ベロイト・テクノロジーズ・インコーポレイテッド リグニンセルロース、セルロース及び合成高分子繊維材料の高効率漂白方法
US7052578B2 (en) * 2000-01-28 2006-05-30 Martin Marietta Magnesia Specialties, Inc. Process employing magnesium hydroxide in peroxide bleaching of mechanical pulp
US6627041B2 (en) 2000-03-06 2003-09-30 Georgia-Pacific Corporation Method of bleaching and providing papermaking fibers with durable curl
US6899790B2 (en) * 2000-03-06 2005-05-31 Georgia-Pacific Corporation Method of providing papermaking fibers with durable curl
US7297225B2 (en) * 2004-06-22 2007-11-20 Georgia-Pacific Consumer Products Lp Process for high temperature peroxide bleaching of pulp with cool discharge
FI122238B (fi) 2006-02-09 2011-10-31 Metso Automation Oy Menetelmä ja laitteisto massasuspension kokonaisperoksidipitoisuuden määrittämiseksi
US8673113B2 (en) 2010-06-09 2014-03-18 The University Of British Columbia Process for reducing specific energy demand during refining of thermomechanical and chemi-thermomechanical pulp
SE2450646A1 (en) 2024-06-12 2025-12-13 Holmen Ab Method for producing a high yield pulp and products based on high yield cellulose pulp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966542A (en) * 1974-09-20 1976-06-29 General Signal Corporation Multi-stage bleaching of pulp using successively lower power levels
SE413684C (sv) * 1974-09-23 1987-05-18 Mo Och Domsjoe Ab Forfarande for framstellning av cellulosamassa i utbytesomradet 65-95 %
SE387977B (sv) * 1975-01-27 1976-09-20 Elektrokemiska Ab Sett att framstella blekt, mekanisk massa med hog styrka och ljushet
SE407091B (sv) * 1976-02-05 1979-03-12 Sca Development Ab Sett att peroxidbleka genom raffinering framstelld cellulosamassa
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
SE8207236D0 (sv) 1982-12-17
ES8505001A1 (es) 1985-04-16
CA1234655A (en) 1988-04-05
FI843242A0 (fi) 1984-08-16
FI843242L (fi) 1984-08-16
EP0128190A1 (en) 1984-12-19
EP0128190B1 (en) 1988-08-17
DE3377724D1 (en) 1988-09-22
NO163631B (no) 1990-03-19
IT8349543A1 (it) 1985-06-19
IT1197760B (it) 1988-12-06
NO843255L (no) 1984-08-15
SE452346B (sv) 1987-11-23
SE8207236L (sv) 1984-06-18
JPS60500263A (ja) 1985-02-28
FI843242A7 (fi) 1984-08-16
BR8307656A (pt) 1984-12-11
NO163631C (no) 1990-06-27
WO1984002366A1 (en) 1984-06-21
SE452346C (sv) 1990-03-26
IT8349543A0 (it) 1983-12-19
US4734160A (en) 1988-03-29
ATE36565T1 (de) 1988-09-15

Similar Documents

Publication Publication Date Title
FR2552125B1 (fr) Procede pour le taitement des matieres cellulosiques par des agents oxydants
EP0415149A3 (en) Process for bleaching and delignification of lignocellulosic materials
JPS5691094A (en) Oxygen delignifying method and apparatus of medium concentrated pulp
ES528138A0 (es) Procedimiento para el blanqueo con peroxido de material conteniendo lignocelulosa
DE3164680D1 (en) A process for producing a wood composition using a liquid adhesive comprising a solution of lignin
FR2467910B1 (es)
BR9007655A (pt) Aperfeicoamento no alvejamento de polpa usando oxigenio
DK80390D0 (es)
FR2604197B1 (fr) Procede de blanchiment de matieres lignocellulosiques.
DE3772967D1 (de) Verfahren sowie anlage zur aufloesung von papierstoff.
BR8400278A (pt) Composicao aquosa,processo para sua obtencao,utilizacao,processo para o tratamento previo de materiais fibrosos,banho aquoso,utilizacao e material fibroso
BR8707508A (pt) Controle do alvejamento com peroxido de diferentes polpas
SE8008337L (sv) Forfarande for delignifiering/blekning av cellulosamassa
SE8303458D0 (sv) Mixer for use in pulp process
BR9910866A (pt) Método para a deslignificação seletiva demateriais lignocelulósicos
KR880007189A (ko) 타일용 금형의 우레탄 코팅방법
SE8106501L (sv) Forfarande for framstellning av kemisk pappersmassa samt salunda framstelld massa
FI854148L (fi) Foerfarande foer behandling av pappersmassor foer blekning av desamma.