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LT3393B - Process for bleaching of cellulose excluding the use of chlorine - Google Patents

Process for bleaching of cellulose excluding the use of chlorine Download PDF

Info

Publication number
LT3393B
LT3393B LTIP754A LTIP754A LT3393B LT 3393 B LT3393 B LT 3393B LT IP754 A LTIP754 A LT IP754A LT IP754 A LTIP754 A LT IP754A LT 3393 B LT3393 B LT 3393B
Authority
LT
Lithuania
Prior art keywords
bleaching
cellulose
ozone
suspension
pulp
Prior art date
Application number
LTIP754A
Other languages
English (en)
Lithuanian (lt)
Inventor
Herbert Sixta
Gerhard Goetzinger
Oskar 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 LTIP754A publication Critical patent/LTIP754A/xx
Publication of LT3393B publication Critical patent/LT3393B/lt

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)
LTIP754A 1989-10-30 1993-07-02 Process for bleaching of cellulose excluding the use of chlorine LT3393B (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 (2)

Publication Number Publication Date
LTIP754A LTIP754A (en) 1995-01-31
LT3393B true LT3393B (en) 1995-08-25

Family

ID=3535300

Family Applications (1)

Application Number Title Priority Date Filing Date
LTIP754A LT3393B (en) 1989-10-30 1993-07-02 Process for bleaching of cellulose excluding the use of chlorine

Country Status (7)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10158449C1 (de) * 2001-11-30 2003-12-24 Wedeco Umwelttechnologie Gmbh Verfahren und Vorrichtung zum Verdichten von ozonhaltigem Gas für eine Ozon-Zellstoffbleiche
EP2550393A2 (de) * 2010-03-23 2013-01-30 International Paper Company System und verfahren für optimiertes recycling von bctmp-filtrat
JP6472758B2 (ja) * 2013-02-08 2019-02-20 ゲーペー ツェルローゼ ゲーエムベーハー 改善されたα−セルロース含量を有する軟材クラフト繊維およびその化学セルロース製品の生産における使用

Citations (7)

* 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
US3635834A (en) 1969-12-22 1972-01-18 Squibb & Sons Inc Process for preparing semisolid emulsions
US3775359A (en) 1967-08-04 1973-11-27 Diamond Shamrock Corp Rigid polyvinyl chloride resin powder composition for extrusion processes
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
JPS6399389A (ja) 1986-10-13 1988-04-30 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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4119486A (en) * 1975-08-14 1978-10-10 Westvaco Corporation Process for bleaching wood pulp with ozone in the presence of a cationic surfactant
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

Patent Citations (7)

* 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
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
JPS6399389A (ja) 1986-10-13 1988-04-30 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

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
LINDHOLM C.-A.: "Effect of pulp consistency and pH in Ozonbleaching Part 2"
LINDHOLM C.-A.: "Effect of pulp consistency and pH in Ozonbleaching Part 3"
LINDHOLM C.-A.: "Effect of pulp consistency and pH in Ozonbleaching Part 4"

Also Published As

Publication number Publication date
ATA249489A (de) 1992-01-15
AT404740B (de) 1999-02-25
RU2044809C1 (ru) 1995-09-27
PL164587B1 (pl) 1994-08-31
ZA908684B (en) 1991-08-28
LTIP754A (en) 1995-01-31
KR100194405B1 (ko) 1999-06-15
KR910008225A (ko) 1991-05-30
CZ283692B6 (cs) 1998-06-17

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Effective date: 20010702