SE466062B - Blekning av kemisk massa - Google Patents

Blekning av kemisk massa

Info

Publication number: SE466062B
Authority: SE; Sweden
Prior art keywords: pulp; chlorine dioxide; amount; bleaching; hydrogen peroxide
Prior art date: 1990-04-30

Application number

SE9001548A

Other languages

English (en)

Swedish (sv)

Other versions

SE9001548L (sv

SE9001548D0 (sv

Inventor

P Aa Faernstrand

Original Assignee

Sunds Defibrator Ind Ab

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.)

1990-04-30

Filing date

1990-04-30

Publication date

1991-12-09

1990-04-30 Application filed by Sunds Defibrator Ind Ab filed Critical Sunds Defibrator Ind Ab

1990-04-30 Priority to SE9001548A priority Critical patent/SE466062B/sv

1990-04-30 Publication of SE9001548D0 publication Critical patent/SE9001548D0/xx

1991-03-07 Priority to JP91507954A priority patent/JPH05506698A/ja

1991-03-07 Priority to EP91908393A priority patent/EP0527808B1/en

1991-03-07 Priority to PCT/SE1991/000178 priority patent/WO1991017306A1/en

1991-03-07 Priority to ES91908393T priority patent/ES2055602T3/es

1991-03-07 Priority to AT91908393T priority patent/ATE106962T1/de

1991-03-07 Priority to CA002080242A priority patent/CA2080242A1/en

1991-03-07 Priority to AU77427/91A priority patent/AU639335B2/en

1991-03-07 Priority to DE69102430T priority patent/DE69102430T2/de

1991-03-07 Priority to US07/930,665 priority patent/US5589031A/en

1991-03-07 Priority to BR919106390A priority patent/BR9106390A/pt

1991-03-21 Priority to NZ237528A priority patent/NZ237528A/xx

1991-04-04 Priority to ZA912504A priority patent/ZA912504B/xx

1991-04-30 Priority to PT97537A priority patent/PT97537B/pt

1991-10-31 Publication of SE9001548L publication Critical patent/SE9001548L/

1991-12-09 Publication of SE466062B publication Critical patent/SE466062B/sv

1992-10-28 Priority to FI924889A priority patent/FI106215B/fi

1992-10-29 Priority to NO924182A priority patent/NO179417C/no

Links

239000000126 substance Substances 0.000 title description 3
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims abstract description 36
239000004155 Chlorine dioxide Substances 0.000 claims abstract description 18
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 18
235000019398 chlorine dioxide Nutrition 0.000 claims abstract description 18
238000004061 bleaching Methods 0.000 claims abstract description 13
238000000605 extraction Methods 0.000 claims abstract description 10
239000002253 acid Substances 0.000 claims abstract description 8
238000000034 method Methods 0.000 claims abstract description 7
238000005406 washing Methods 0.000 claims abstract description 7
238000006386 neutralization reaction Methods 0.000 claims abstract description 3
239000007800 oxidant agent Substances 0.000 claims abstract description 3
229920001131 Pulp (paper) Polymers 0.000 claims abstract 2
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 16
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
239000001301 oxygen Substances 0.000 claims description 8
229910052760 oxygen Inorganic materials 0.000 claims description 8
239000003513 alkali Substances 0.000 claims description 4
239000001257 hydrogen Substances 0.000 claims 1
229910052739 hydrogen Inorganic materials 0.000 claims 1
-1 hydrogen ions Chemical class 0.000 claims 1
230000003647 oxidation Effects 0.000 abstract 1
238000007254 oxidation reaction Methods 0.000 abstract 1
239000000460 chlorine Substances 0.000 description 3
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
229910001902 chlorine oxide Inorganic materials 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
239000011122 softwood Substances 0.000 description 1
229910021653 sulphate ion Inorganic materials 0.000 description 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- 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
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
- 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
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Detergent Compositions (AREA)
Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Coloring Foods And Improving Nutritive Qualities (AREA)
Saccharide Compounds (AREA)
Diaphragms For Electromechanical Transducers (AREA)
Nonmetallic Welding Materials (AREA)
Lubricants (AREA)

SE9001548A 1990-04-30 1990-04-30 Blekning av kemisk massa SE466062B (sv)

Priority Applications (16)

Application Number	Priority Date	Filing Date	Title
SE9001548A SE466062B (sv)	1990-04-30	1990-04-30	Blekning av kemisk massa
EP91908393A EP0527808B1 (en)	1990-04-30	1991-03-07	Bleaching of chemical pulp
DE69102430T DE69102430T2 (de)	1990-04-30	1991-03-07	Bleichen von chemischem zellstoff.
BR919106390A BR9106390A (pt)	1990-04-30	1991-03-07	Processo para alvejamento de polpa quimica
PCT/SE1991/000178 WO1991017306A1 (en)	1990-04-30	1991-03-07	Bleaching of chemical pulp
ES91908393T ES2055602T3 (es)	1990-04-30	1991-03-07	Blanqueo de pasta quimica.
AT91908393T ATE106962T1 (de)	1990-04-30	1991-03-07	Bleichen von chemischem zellstoff.
CA002080242A CA2080242A1 (en)	1990-04-30	1991-03-07	Bleaching of chemical pulp
AU77427/91A AU639335B2 (en)	1990-04-30	1991-03-07	Bleaching of chemical pulp
JP91507954A JPH05506698A (ja)	1990-04-30	1991-03-07	ケミカルパルプの漂白法
US07/930,665 US5589031A (en)	1990-04-30	1991-03-07	Chlorine dioxide bleaching of chemical pulp
NZ237528A NZ237528A (en)	1990-04-30	1991-03-21	Bleaching pulp with (1) clo 2 , (2) washing then addition of naoh, (3) o 2 and/or h 2 o 2 , (4) addition of acid, and then (5) clo 2
ZA912504A ZA912504B (en)	1990-04-30	1991-04-04	Bleaching of chemical pulp
PT97537A PT97537B (pt)	1990-04-30	1991-04-30	Processo de branqueamento de pasta quimica em pelo menos quatro passos
FI924889A FI106215B (fi)	1990-04-30	1992-10-28	Kemiallisen massan valkaisu
NO924182A NO179417C (no)	1990-04-30	1992-10-29	Bleking av kjemisk masse

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE9001548A SE466062B (sv)	1990-04-30	1990-04-30	Blekning av kemisk massa

Publications (3)

Publication Number	Publication Date
SE9001548D0 SE9001548D0 (sv)	1990-04-30
SE9001548L SE9001548L (sv)	1991-10-31
SE466062B true SE466062B (sv)	1991-12-09

Family

ID=20379338

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9001548A SE466062B (sv)	1990-04-30	1990-04-30	Blekning av kemisk massa

Country Status (16)

Country	Link
US (1)	US5589031A (pt)
EP (1)	EP0527808B1 (pt)
JP (1)	JPH05506698A (pt)
AT (1)	ATE106962T1 (pt)
AU (1)	AU639335B2 (pt)
BR (1)	BR9106390A (pt)
CA (1)	CA2080242A1 (pt)
DE (1)	DE69102430T2 (pt)
ES (1)	ES2055602T3 (pt)
FI (1)	FI106215B (pt)
NO (1)	NO179417C (pt)
NZ (1)	NZ237528A (pt)
PT (1)	PT97537B (pt)
SE (1)	SE466062B (pt)
WO (1)	WO1991017306A1 (pt)
ZA (1)	ZA912504B (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8257550B2 (en)	2008-02-28	2012-09-04	Metso Paper, Inc.	Method of bleaching a pulp

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6322768B1 (en)	1998-09-29	2001-11-27	International Paper Company	Recovery of chlorine dioxide from gas streams
SE518692C2 (sv) *	2001-03-20	2002-11-05	Metso Paper Inc	Blekning av massa med klordioxid

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2432574A1 (fr) *	1978-08-01	1980-02-29	Europeen Cellulose	Procede de blanchiment de pate a papier
SE462919B (sv) *	1979-05-11	1990-09-17	Sunds Defibrator Ind Ab	Saett att genomfoera alkaliextraktion av cellulosamassa i naervaro av syre
US4568420B1 (en) *	1984-12-03	1999-03-02	Int Paper Co	Multi-stage bleaching process including an enhanced oxidative extraction stage
US4657633A (en) *	1985-05-24	1987-04-14	Westvaco Corporation	Delignification and bleaching of a cellulose pulp with an alkalioxygen-hypochlorite single stage sequential extraction

1990
- 1990-04-30 SE SE9001548A patent/SE466062B/sv not_active IP Right Cessation
1991
- 1991-03-07 AU AU77427/91A patent/AU639335B2/en not_active Ceased
- 1991-03-07 CA CA002080242A patent/CA2080242A1/en not_active Abandoned
- 1991-03-07 US US07/930,665 patent/US5589031A/en not_active Expired - Fee Related
- 1991-03-07 JP JP91507954A patent/JPH05506698A/ja active Pending
- 1991-03-07 BR BR919106390A patent/BR9106390A/pt not_active Application Discontinuation
- 1991-03-07 AT AT91908393T patent/ATE106962T1/de not_active IP Right Cessation
- 1991-03-07 DE DE69102430T patent/DE69102430T2/de not_active Expired - Fee Related
- 1991-03-07 ES ES91908393T patent/ES2055602T3/es not_active Expired - Lifetime
- 1991-03-07 EP EP91908393A patent/EP0527808B1/en not_active Expired - Lifetime
- 1991-03-07 WO PCT/SE1991/000178 patent/WO1991017306A1/en not_active Ceased
- 1991-03-21 NZ NZ237528A patent/NZ237528A/xx unknown
- 1991-04-04 ZA ZA912504A patent/ZA912504B/xx unknown
- 1991-04-30 PT PT97537A patent/PT97537B/pt not_active IP Right Cessation
1992
- 1992-10-28 FI FI924889A patent/FI106215B/fi active
- 1992-10-29 NO NO924182A patent/NO179417C/no unknown

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8257550B2 (en)	2008-02-28	2012-09-04	Metso Paper, Inc.	Method of bleaching a pulp

Also Published As

Publication number	Publication date
CA2080242A1 (en)	1991-10-31
FI924889L (fi)	1992-10-28
SE9001548L (sv)	1991-10-31
JPH05506698A (ja)	1993-09-30
DE69102430T2 (de)	1994-09-29
ES2055602T3 (es)	1994-08-16
NO179417B (no)	1996-06-24
AU7742791A (en)	1991-11-27
DE69102430D1 (de)	1994-07-14
BR9106390A (pt)	1993-04-27
ATE106962T1 (de)	1994-06-15
FI924889A0 (fi)	1992-10-28
EP0527808A1 (en)	1993-02-24
WO1991017306A1 (en)	1991-11-14
PT97537B (pt)	1998-08-31
FI106215B (fi)	2000-12-15
NO179417C (no)	1996-10-02
EP0527808B1 (en)	1994-06-08
AU639335B2 (en)	1993-07-22
SE9001548D0 (sv)	1990-04-30
ZA912504B (en)	1992-01-29
NO924182L (no)	1992-10-29
NO924182D0 (no)	1992-10-29
US5589031A (en)	1996-12-31
PT97537A (pt)	1992-01-31
NZ237528A (en)	1993-06-25

Legal Events

Date

Code

Title

Description

1995-01-31

NAL

Patent in force

Ref document number: 9001548-8

Format of ref document f/p: F

2004-01-07

NUG

Patent has lapsed

Publication	Publication Date	Title
SE470065B (sv)	1993-11-01	Behandling av kemisk massa med en syra och därefter en magnesiumförening vid klorfri blekning
SE420430B (sv)	1981-10-05	Forfarande for blekning och extraktion av lignocellulosahaltig material med peroxidhaltiga blekmedel
SE468355B (sv)	1992-12-21	Blekning av kemisk massa genom behandling med komplexbildare och ozon
SE450257B (sv)	1987-06-15	Forfarande vid ozonblekning av pappersmassa varvid massan utsettes for en sur retentionsbehandling
SE544236C2 (en)	2022-03-08	Method for bleaching pulp from recycled textile material
ES2166398T3 (es)	2002-04-16	Metodo para el tratamiento complejo de pasta papelera conjuntamente con una etapa de dioxido de cloro.
SE466062B (sv)	1991-12-09	Blekning av kemisk massa
SE514825C2 (sv)	2001-04-30	Oxygendelignifiering av cellulosamassa med oxiderad vitlut som alkalikälla
US2226356A (en)	1940-12-24	Process of purifying cellulosic material
US2203205A (en)	1940-06-04	Method of bleaching pulp
SE469842B (sv)	1993-09-27	Blekning av kemisk massa med peroxid
US20030168190A1 (en)	2003-09-11	Method for controlling the delignfication and bleaching of a pulp suspension
SE507164C2 (sv)	1998-04-20	Blekning med klordioxid i ett trefassteg
SE507742C2 (sv)	1998-07-06	Förblekningsbehandling av pappersmassa med klordioxid, alkali och komplexbildare utan mellanliggande tvättar
SU781243A1 (ru)	1980-11-23	Способ отбелки целлюлозы
SE512137C2 (sv)	2000-01-31	Förfarande för blekning av lignocellulosahaltig massa
US20030155086A1 (en)	2003-08-21	Process for bleaching a lignocellulosic pulp
JP3509832B2 (ja)	2004-03-22	製紙用化学パルプの漂白方法
SU1449605A1 (ru)	1989-01-07	Способ отбелки сульфитной целлюлозы
SE518692C2 (sv)	2002-11-05	Blekning av massa med klordioxid
SE532470C2 (sv)	2010-02-02	Slutblekning av oxygendelignifierad massa med ozon, klordioxid och peroxid
SE501325C2 (sv)	1995-01-16	Förfarande för klorfri blekning av massa, varvid massan surgöres med ättiksyra vid behandlingen med komplexbildare
US1579525A (en)	1926-04-06	Process for treating pulp
KR102011081B1 (ko)	2019-08-14	펄프에서 형광을 저하시키는 방법
JPH08218290A (ja)	1996-08-27	非塩素漂白パルプの製造方法

SE466062B - Blekning av kemisk massa - Google Patents

Info

Links

Classifications

Landscapes

Priority Applications (16)

Applications Claiming Priority (1)

Publications (3)

Family

ID=20379338

Family Applications (1)

Country Status (16)

Cited By (1)

Families Citing this family (2)

Family Cites Families (4)

Cited By (1)

Also Published As

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