SE9300277L - Förfarande för klorfri blekning av massa, varvid massan surgöres med ättiksyra vid behandlingen med komplexbildare - Google Patents

Förfarande för klorfri blekning av massa, varvid massan surgöres med ättiksyra vid behandlingen med komplexbildare

Info

Publication number: SE9300277L
Authority: SE; Sweden
Prior art keywords: pulp; acidified; chlorine; treatment; acetic acid
Prior art date: 1993-01-29

Application number

SE9300277A

Other languages

Unknown language ( )

English (en)

Other versions

SE9300277D0 (sv

SE501325E (sv

SE501325C2 (sv

Inventor

Erik Nilsson

Petter Tibbling

Original Assignee

Kvaerner Pulping Tech

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.)

1993-01-29

Filing date

1993-01-29

Publication date

1994-07-30

1993-01-29 Application filed by Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech

1993-01-29 Priority to SE9300277A priority Critical patent/SE501325E/sv

1993-01-29 Publication of SE9300277D0 publication Critical patent/SE9300277D0/sv

1994-01-26 Priority to CA002154076A priority patent/CA2154076A1/en

1994-01-26 Priority to JP6516930A priority patent/JPH08505907A/ja

1994-01-26 Priority to AU59820/94A priority patent/AU675291B2/en

1994-01-26 Priority to BR9406193A priority patent/BR9406193A/pt

1994-01-26 Priority to CN94191058.XA priority patent/CN1117301A/zh

1994-01-26 Priority to PCT/SE1994/000054 priority patent/WO1994017239A1/en

1994-01-26 Priority to EP94905899A priority patent/EP0681624A1/en

1994-07-30 Publication of SE9300277L publication Critical patent/SE9300277L/sv

1995-01-16 Publication of SE501325C2 publication Critical patent/SE501325C2/sv

1995-07-24 Priority to NO952935A priority patent/NO305763B1/no

1995-07-27 Priority to FI953589A priority patent/FI111387B/sv

1999-09-20 Publication of SE501325E publication Critical patent/SE501325E/sv

Links

QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 title abstract 6
238000004061 bleaching Methods 0.000 title abstract 3
238000000034 method Methods 0.000 title abstract 2
239000008139 complexing agent Substances 0.000 title 1
150000002978 peroxides Chemical class 0.000 abstract 2
239000003352 sequestering agent Substances 0.000 abstract 2
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
229920001131 Pulp (paper) Polymers 0.000 abstract 1
239000002253 acid Substances 0.000 abstract 1
229910052801 chlorine Inorganic materials 0.000 abstract 1
239000000460 chlorine Substances 0.000 abstract 1
239000000835 fiber Substances 0.000 abstract 1
238000004519 manufacturing process Methods 0.000 abstract 1
239000000463 material Substances 0.000 abstract 1
150000004967 organic peroxy acids Chemical class 0.000 abstract 1

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
- D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids
- 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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
- 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
- D21C9/1026—Other features in bleaching processes
- D21C9/1042—Use of chelating agents
- 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)

SE9300277A 1993-01-29 1993-01-29 Förfarande för klorfri blekning av massa, varvid massan surgöres med ättiksyra vid behandlingen med komplexbildare SE501325E (sv)

Priority Applications (10)

Application Number	Priority Date	Filing Date	Title
SE9300277A SE501325E (sv)	1993-01-29	1993-01-29	Förfarande för klorfri blekning av massa, varvid massan surgöres med ättiksyra vid behandlingen med komplexbildare
EP94905899A EP0681624A1 (en)	1993-01-29	1994-01-26	Method for chlorine-free bleaching of pulp with acetic acid as acidifying agent
BR9406193A BR9406193A (pt)	1993-01-29	1994-01-26	Processo para alvejar pasta de material de fibra celulósica sem o uso de cloro
JP6516930A JPH08505907A (ja)	1993-01-29	1994-01-26	酸性化剤として酢酸を用いるパルプの塩素無含有漂白方法
AU59820/94A AU675291B2 (en)	1993-01-29	1994-01-26	Method for chlorine-free bleaching of pulp with acetic acid as acidifying agent
CA002154076A CA2154076A1 (en)	1993-01-29	1994-01-26	Method for chlorine-free bleaching of pulp with acetic acid as acidifying agent
CN94191058.XA CN1117301A (zh)	1993-01-29	1994-01-26	用乙酸作酸化剂的纸浆无氯漂白方法
PCT/SE1994/000054 WO1994017239A1 (en)	1993-01-29	1994-01-26	Method for chlorine-free bleaching of pulp with acetic acid as acidifying agent
NO952935A NO305763B1 (no)	1993-01-29	1995-07-24	FremgangsmÕte ved klorfri bleking av masse ved anvendelse av eddiksyre som surgj°rende middel
FI953589A FI111387B (sv)	1993-01-29	1995-07-27	Förfarande för klorfri blekning av massa med ättiksyra som surgörningsmedel

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE9300277A SE501325E (sv)	1993-01-29	1993-01-29	Förfarande för klorfri blekning av massa, varvid massan surgöres med ättiksyra vid behandlingen med komplexbildare

Publications (4)

Publication Number	Publication Date
SE9300277D0 SE9300277D0 (sv)	1993-01-29
SE9300277L true SE9300277L (sv)	1994-07-30
SE501325C2 SE501325C2 (sv)	1995-01-16
SE501325E SE501325E (sv)	1999-09-20

Family

ID=20388704

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9300277A SE501325E (sv)	1993-01-29	1993-01-29	Förfarande för klorfri blekning av massa, varvid massan surgöres med ättiksyra vid behandlingen med komplexbildare

Country Status (10)

Country	Link
EP (1)	EP0681624A1 (sv)
JP (1)	JPH08505907A (sv)
CN (1)	CN1117301A (sv)
AU (1)	AU675291B2 (sv)
BR (1)	BR9406193A (sv)
CA (1)	CA2154076A1 (sv)
FI (1)	FI111387B (sv)
NO (1)	NO305763B1 (sv)
SE (1)	SE501325E (sv)
WO (1)	WO1994017239A1 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN1050642C (zh) *	1996-06-25	2000-03-22	华南理工大学	高浓纸浆过氧化氢漂白方法
CN103726382B (zh) *	2013-12-31	2016-08-17	安徽泾县千年古宣宣纸有限公司	一种纯草型宣纸及其无氯漂白生产工艺
EP3882380B1 (en) *	2020-03-16	2022-04-27	Re:NewCell AB	One stage method for acid metal removal and bleach

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2219505C3 (de) *	1972-04-21	1974-10-17	Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt	Chlorfreie Mehrstufenbleiche von Zellstoff
DE2841013C2 (de) *	1978-09-21	1984-06-07	Degussa Ag, 6000 Frankfurt	Verfahren zur Vollbleiche von Zellstoff
DE69004492T3 (de) *	1989-06-06	2001-11-15	Eka Nobel Ab, Bohus	Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen.
SE468355B (sv) *	1991-04-30	1992-12-21	Eka Nobel Ab	Blekning av kemisk massa genom behandling med komplexbildare och ozon

1993
- 1993-01-29 SE SE9300277A patent/SE501325E/sv not_active IP Right Cessation
1994
- 1994-01-26 CA CA002154076A patent/CA2154076A1/en not_active Abandoned
- 1994-01-26 BR BR9406193A patent/BR9406193A/pt not_active IP Right Cessation
- 1994-01-26 AU AU59820/94A patent/AU675291B2/en not_active Expired - Fee Related
- 1994-01-26 JP JP6516930A patent/JPH08505907A/ja active Pending
- 1994-01-26 CN CN94191058.XA patent/CN1117301A/zh active Pending
- 1994-01-26 WO PCT/SE1994/000054 patent/WO1994017239A1/en not_active Ceased
- 1994-01-26 EP EP94905899A patent/EP0681624A1/en not_active Ceased
1995
- 1995-07-24 NO NO952935A patent/NO305763B1/no not_active IP Right Cessation
- 1995-07-27 FI FI953589A patent/FI111387B/sv active

Also Published As

Publication number	Publication date
SE9300277D0 (sv)	1993-01-29
NO305763B1 (no)	1999-07-19
SE501325E (sv)	1999-09-20
NO952935L (no)	1995-09-13
JPH08505907A (ja)	1996-06-25
AU675291B2 (en)	1997-01-30
SE501325C2 (sv)	1995-01-16
FI953589L (sv)	1995-07-27
AU5982094A (en)	1994-08-15
CA2154076A1 (en)	1994-08-04
CN1117301A (zh)	1996-02-21
FI953589A0 (sv)	1995-07-27
WO1994017239A1 (en)	1994-08-04
EP0681624A1 (en)	1995-11-15
NO952935D0 (no)	1995-07-24
FI111387B (sv)	2003-07-15
BR9406193A (pt)	1996-01-09

Legal Events

Date	Code	Title	Description
2008-09-16	NUG	Patent has lapsed

Publication	Publication Date	Title
FI921886A0 (fi)	1992-04-27	Foerfarande foer blekning av ligno- cellulosahaltig massa.
FI103899B1 (sv)	1999-10-15	Förfarande för framställning av ytterst blek massa
FI952552A0 (sv)	1995-05-24	Förfarande för delignifiering av lignocellulosahaltig massa
FI921887A0 (fi)	1992-04-27	Foerfarande foer blekning av ligno- cellulosahaltig massa.
SE9301960L (sv)	1994-07-25	Blekning av kemisk massa med peroxid vid övertryck
SE9700992L (sv)	1997-05-16	Förfarande för blekning av kraftmassa
DE69113444D1 (de)	1995-11-02	Verfahren zum bleichen von chemischem papierzellstoff.
SE9300277D0 (sv)	1993-01-29	Klorfri massablekning
ES2038954A6 (es)	1993-08-01	Metodo para blanquear pasta de papel.
SE9301160D0 (sv)	1993-04-07	Foerfarande foer behandling av processvatten
SE9501897D0 (sv)	1995-05-22	Förfarande för delignifiering/blekning av lignininnehållande cellulosamassa
SE9303066D0 (sv)	1993-09-21	Blekning av kemisk massa
AU6986294A (en)	1995-01-03	Method of bleaching pulp without using chlorine chemicals
SE9403074L (sv)	1995-03-16	Förfarande för blekning av massa
SE9600773L (sv)	1996-04-18	Medelkonsistens-ljushetsförbättring med ozon av h ögkonsistens-ozonblekt massa
SE9501623D0 (sv)	1995-05-02	Blekning av massa
SE9603630D0 (sv)	1996-10-04	Förfarande för blekning av massa
RU95116657A (ru)	1997-08-10	Способ бесхлорного отбеливания пульпы с использованием уксусной кислоты в качестве подкисляющего реагента
SE9403174L (sv)	1994-11-16	Metod för enzymatisk behandling av kemisk massa före blekning
FI19991816A7 (sv)	2001-02-27	Förfarande och anordningar för behandling av massa
FI19991817A7 (sv)	2001-02-27	Förfarande och anordningar för behandling av massa
UA10479A (uk)	1996-12-25	Спосіб вигодовуваhhя корисhих шовкопрядів
SE9604511D0 (sv)	1996-12-06	Förfarande för blekning av kraftmassa