ATA249489A - Verfahren zum chlorfreien bleichen von zellstoffen - Google Patents

Verfahren zum chlorfreien bleichen von zellstoffen

Info

Publication number
ATA249489A
ATA249489A AT892494A AT249489A ATA249489A AT A249489 A ATA249489 A AT A249489A AT 892494 A AT892494 A AT 892494A AT 249489 A AT249489 A AT 249489A AT A249489 A ATA249489 A AT A249489A
Authority
AT
Austria
Prior art keywords
cellulas
chlorine
free bleaching
bleaching
free
Prior art date
Application number
AT892494A
Other languages
English (en)
Other versions
AT404740B (de
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
Priority to AT0249489A priority Critical patent/AT404740B/de
Priority to CS904662A priority patent/CZ283692B6/cs
Priority to AU64552/90A priority patent/AU636173B2/en
Priority to KR1019900016532A priority patent/KR100194405B1/ko
Priority to PH41432A priority patent/PH30483A/en
Priority to RO146180A priority patent/RO107715B1/ro
Priority to TR90/1031A priority patent/TR24891A/xx
Priority to AR90318208A priority patent/AR243946A1/es
Priority to UA4831464A priority patent/UA27098A1/uk
Priority to HU906923A priority patent/HU205175B/hu
Priority to PL90287560A priority patent/PL164587B1/pl
Priority to CA002028788A priority patent/CA2028788C/en
Priority to SI9012041A priority patent/SI9012041B/sl
Priority to BR9005476-8A priority patent/BR9005476A/pt
Priority to BG093110A priority patent/BG51052A3/bg
Priority to YU204190A priority patent/YU47233B/sh
Priority to FI905327A priority patent/FI102194B1/fi
Priority to PT95718A priority patent/PT95718B/pt
Priority to SU904831464A priority patent/RU2044809C1/ru
Priority to NO904673A priority patent/NO176975B/no
Priority to AT9090890291T priority patent/ATE105599T1/de
Priority to DK90890291.9T priority patent/DK0426652T3/da
Priority to DE59005677T priority patent/DE59005677D1/de
Priority to JP2290960A priority patent/JP2995422B2/ja
Priority to ES90890291T priority patent/ES2023623T3/es
Priority to ZA908684A priority patent/ZA908684B/xx
Priority to EP90890291A priority patent/EP0426652B2/de
Priority to GR91300078T priority patent/GR910300078T1/el
Publication of ATA249489A publication Critical patent/ATA249489A/de
Priority to US07/859,236 priority patent/US5346588A/en
Priority to LVP-93-20A priority patent/LV10513B/lv
Priority to HRP-2041/90A priority patent/HRP930459B1/xx
Priority to LTIP754A priority patent/LT3393B/lt
Application granted granted Critical
Publication of AT404740B publication Critical patent/AT404740B/de

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)
AT0249489A 1989-10-30 1989-10-30 Verfahren zum chlorfreien bleichen von zellstoffen AT404740B (de)

Priority Applications (32)

Application Number Priority Date Filing Date Title
AT0249489A AT404740B (de) 1989-10-30 1989-10-30 Verfahren zum chlorfreien bleichen von zellstoffen
CS904662A CZ283692B6 (cs) 1989-10-30 1990-09-25 Způsob bělení buničiny bez použití chlóru
AU64552/90A AU636173B2 (en) 1989-10-30 1990-10-15 Method for the chlorine-free bleaching of pulps
KR1019900016532A KR100194405B1 (ko) 1989-10-30 1990-10-17 목재펄프의 무염소 표백방법
PH41432A PH30483A (en) 1989-10-30 1990-10-23 Method for chlorine-free bleaching of pulps
RO146180A RO107715B1 (ro) 1989-10-30 1990-10-23 Procedeu pentru inalbirea fara clor a celulozelor
AR90318208A AR243946A1 (es) 1989-10-30 1990-10-26 Procedimiento para blanquear pulpas, sin usar cloro.
TR90/1031A TR24891A (tr) 1989-10-30 1990-10-26 SELüLOZLARIN KLORSUZ OLARAK AGARTILMASINA MAHSUS USUL.
PT95718A PT95718B (pt) 1989-10-30 1990-10-29 Processo para o branqueamento isento de cloro de pastas de celulose
PL90287560A PL164587B1 (pl) 1989-10-30 1990-10-29 Sposób bezchlorowego bielenia mas celulozowych PL PL PL
CA002028788A CA2028788C (en) 1989-10-30 1990-10-29 Process for the chlorine-free bleaching of cellulosic materials
SI9012041A SI9012041B (sl) 1989-10-30 1990-10-29 Postopek za beljenje celuloze brez uporabe klora
BR9005476-8A BR9005476A (pt) 1989-10-30 1990-10-29 Processo para alvejamento,isento de cloro,de polpas
BG093110A BG51052A3 (bg) 1989-10-30 1990-10-29 Метод за безхлорно избелване на целулоза
YU204190A YU47233B (sh) 1989-10-30 1990-10-29 Postupak za beljenje celuloze bez upotrebe hlora
FI905327A FI102194B1 (fi) 1989-10-30 1990-10-29 Menetelmä massan valkaisemiseksi ilman klooria
UA4831464A UA27098A1 (uk) 1989-10-30 1990-10-29 Багатоступіhчатий спосіб вибілюваhhя целюлози
SU904831464A RU2044809C1 (ru) 1989-10-30 1990-10-29 Многоступенчатый способ отбелки целлюлозы
NO904673A NO176975B (no) 1989-10-30 1990-10-29 Fremgangsmåte ved klorfri bleking av masse
HU906923A HU205175B (en) 1989-10-30 1990-10-29 Method for chlorie-free bleaching celluloses
AT9090890291T ATE105599T1 (de) 1989-10-30 1990-10-30 Verfahren zum chlorfreien bleichen von zellstoffen.
DE59005677T DE59005677D1 (de) 1989-10-30 1990-10-30 Verfahren zum chlorfreien Bleichen von Zellstoffen.
JP2290960A JP2995422B2 (ja) 1989-10-30 1990-10-30 パルプの無塩素漂白方法
ES90890291T ES2023623T3 (es) 1989-10-30 1990-10-30 Procedimiento para blanquear materiales celulosicos sin cloro.
ZA908684A ZA908684B (en) 1989-10-30 1990-10-30 Method for the chlorine-free bleaching of pulps
EP90890291A EP0426652B2 (de) 1989-10-30 1990-10-30 Verfahren zum chlorfreien Bleichen von Zellstoffen
DK90890291.9T DK0426652T3 (da) 1989-10-30 1990-10-30 Fremgangsmåde til blegning af cellulose uden brug af klor
GR91300078T GR910300078T1 (en) 1989-10-30 1991-12-10 Process for the chlorine-free bleaching of pulp
US07/859,236 US5346588A (en) 1989-10-30 1992-03-26 Process for the chlorine-free bleaching of cellulosic materials with ozone
LVP-93-20A LV10513B (en) 1989-10-30 1993-01-12 Cellulose bleaching method not using the chlor
HRP-2041/90A HRP930459B1 (en) 1989-10-30 1993-03-23 Process for the chlorine-free bleaching of pulp
LTIP754A LT3393B (en) 1989-10-30 1993-07-02 Process for bleaching of cellulose excluding the use of chlorine

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
ATA249489A true ATA249489A (de) 1992-01-15
AT404740B AT404740B (de) 1999-02-25

Family

ID=3535300

Family Applications (1)

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

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 (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
AU2011229776B2 (en) * 2010-03-23 2013-11-28 International Paper Company Improved BCTMP filtrate recycling system and method
WO2014122533A2 (en) * 2013-02-08 2014-08-14 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
PL164587B1 (pl) 1994-08-31
LT3393B (en) 1995-08-25
KR910008225A (ko) 1991-05-30
RU2044809C1 (ru) 1995-09-27
CZ283692B6 (cs) 1998-06-17
LTIP754A (en) 1995-01-31
AT404740B (de) 1999-02-25
KR100194405B1 (ko) 1999-06-15
ZA908684B (en) 1991-08-28

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
EFA Change in the company name
ELA Expired due to lapse of time