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
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/en

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
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 (en) 1989-10-30 1989-10-30 Process for the chlorine-free bleaching of pulps

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 (en)
AT (1) AT404740B (en)
CZ (1) CZ283692B6 (en)
LT (1) LT3393B (en)
PL (1) PL164587B1 (en)
RU (1) RU2044809C1 (en)
ZA (1) ZA908684B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10158449C1 (en) * 2001-11-30 2003-12-24 Wedeco Umwelttechnologie Gmbh Method and device for compressing ozone-containing gas for ozone pulp bleaching
WO2011119423A2 (en) * 2010-03-23 2011-09-29 International Paper Company Improved bctmp filtrate recycling system and method
EP2954115B1 (en) * 2013-02-08 2022-01-12 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 (en) 1923-02-10 1924-11-21 Manfred Gottfried Semper Dr In Refining process for precious metals and their alloys
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 (en) * 1981-05-09 1982-11-11 Mannesmann AG, 4000 Düsseldorf Process for bleaching chemically produced pulp with ozone
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 (en) * 1984-06-27 1986-05-26 Steyrermuehl Papier METHOD AND REACTOR FOR DELIGNIFYING CELLULAR WITH OXYGEN
AT384837B (en) * 1985-06-27 1988-01-11 Steyrermuehl Papier Process and arrangement for the delignification of pulp with oxygen
JPH0768675B2 (en) 1986-10-13 1995-07-26 新王子製紙株式会社 Oxygen delignification and bleaching method for cellulose pulp

Also Published As

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

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