ZA908684B - Method for the chlorine-free bleaching of pulps - Google Patents

Method for the chlorine-free bleaching of pulps

Info

Publication number
ZA908684B
ZA908684B ZA908684A ZA908684A ZA908684B ZA 908684 B ZA908684 B ZA 908684B ZA 908684 A ZA908684 A ZA 908684A ZA 908684 A ZA908684 A ZA 908684A ZA 908684 B ZA908684 B ZA 908684B
Authority
ZA
South Africa
Prior art keywords
pulps
chlorine
free bleaching
bleaching
free
Prior art date
Application number
ZA908684A
Other languages
English (en)
Inventor
Herbert Sixta
Gerhard Goetzinger
Anton Hoeglinger
Peter Hendel
Wilfried Rueckl
Walter Peter
Friedrich Kurz
Alfred Schrittwieser
Manfred Schneeweisz
Original Assignee
Chemiefaser Lenzing Ag
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 Chemiefaser Lenzing Ag filed Critical Chemiefaser Lenzing Ag
Publication of ZA908684B publication Critical patent/ZA908684B/xx

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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
ZA908684A 1989-10-30 1990-10-30 Method for the chlorine-free bleaching of pulps ZA908684B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0249489A AT404740B (de) 1989-10-30 1989-10-30 Verfahren zum chlorfreien bleichen von zellstoffen

Publications (1)

Publication Number Publication Date
ZA908684B true ZA908684B (en) 1991-08-28

Family

ID=3535300

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA908684A ZA908684B (en) 1989-10-30 1990-10-30 Method for the chlorine-free bleaching of pulps

Country Status (7)

Country Link
KR (1) KR100194405B1 (cs)
AT (1) AT404740B (cs)
CZ (1) CZ283692B6 (cs)
LT (1) LT3393B (cs)
PL (1) PL164587B1 (cs)
RU (1) RU2044809C1 (cs)
ZA (1) ZA908684B (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA955290B (en) * 1994-07-11 1996-12-27 Ingersoll Rand Co Peroxide bleaching process for cellulosic and lignocellulosic material
DE10158449C1 (de) * 2001-11-30 2003-12-24 Wedeco Umwelttechnologie Gmbh Verfahren und Vorrichtung zum Verdichten von ozonhaltigem Gas für eine Ozon-Zellstoffbleiche
RU2290469C1 (ru) * 2005-06-24 2006-12-27 Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" (ОАО "ЦНИИБ") Способ многоступенчатой отбелки сульфитной целлюлозы
US8753477B2 (en) * 2010-03-23 2014-06-17 International Paper Company BCTMP filtrate recycling system and method
AU2014213691B2 (en) * 2013-02-08 2017-03-16 Gp Cellulose Gmbh Softwood kraft fiber having an improved a-cellulose content and its use in the production of chemical cellulose products

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE406430C (de) 1923-02-10 1924-11-21 Manfred Gottfried Semper Dr In Raffinierverfahren fuer Edelmetalle und deren Legierungen
US3775359A (en) 1967-08-04 1973-11-27 Diamond Shamrock Corp Rigid polyvinyl chloride resin powder composition for extrusion processes
US3635834A (en) 1969-12-22 1972-01-18 Squibb & Sons Inc Process for preparing semisolid emulsions
US4119486A (en) * 1975-08-14 1978-10-10 Westvaco Corporation Process for bleaching wood pulp with ozone in the presence of a cationic surfactant
US4080249A (en) * 1976-06-02 1978-03-21 International Paper Company Delignification and bleaching of a lignocellulosic pulp slurry with ozone
US4216054A (en) * 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
US4372812A (en) * 1978-04-07 1983-02-08 International Paper Company Chlorine free process for bleaching lignocellulosic pulp
US4283251A (en) * 1980-01-24 1981-08-11 Scott Paper Company Ozone effluent bleaching
DE3118384C1 (de) * 1981-05-09 1982-11-11 Mannesmann AG, 4000 Düsseldorf Verfahren zum Bleichen von chemisch hergestelltem Zellstoff mit Ozon
US4619733A (en) * 1983-11-30 1986-10-28 Kooi Boon Lam Pollution free pulping process using recycled wash effluent from multiple bleach stages to remove black liquor and recovering sodium hydroxide from the black liquor
AT380496B (de) * 1984-06-27 1986-05-26 Steyrermuehl Papier Verfahren und reaktor zur delignifizierung von zellstoff mit sauerstoff
AT384837B (de) * 1985-06-27 1988-01-11 Steyrermuehl Papier Verfahren und anordnung zur delignifizierung von zellstoff mit sauerstoff
JPH0768675B2 (ja) 1986-10-13 1995-07-26 新王子製紙株式会社 セルロ−スパルプの酸素による脱リグニン、漂白方法

Also Published As

Publication number Publication date
KR910008225A (ko) 1991-05-30
LTIP754A (en) 1995-01-31
ATA249489A (de) 1992-01-15
PL164587B1 (pl) 1994-08-31
RU2044809C1 (ru) 1995-09-27
KR100194405B1 (ko) 1999-06-15
CZ283692B6 (cs) 1998-06-17
LT3393B (en) 1995-08-25
AT404740B (de) 1999-02-25

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