SE524896C2 - Blekning av cellulosamassa med klordioxid i två faser med uppvärmning mellan faserna - Google Patents

Blekning av cellulosamassa med klordioxid i två faser med uppvärmning mellan faserna

Info

Publication number: SE524896C2
Authority: SE; Sweden
Prior art keywords: pulp; phase; chlorine dioxide; bleaching; minutes
Prior art date: 2003-03-07

Application number

SE0300608A

Other languages

English (en)

Swedish (sv)

Other versions

SE0300608L (sv

SE0300608D0 (sv

Inventor

Martin Ragnar

Marcelo R Leite

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.)

2003-03-07

Filing date

2003-03-07

Publication date

2004-10-19

2003-03-07 Application filed by Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech

2003-03-07 Priority to SE0300608A priority Critical patent/SE524896C2/sv

2003-03-07 Publication of SE0300608D0 publication Critical patent/SE0300608D0/xx

2004-03-04 Priority to EP04717335A priority patent/EP1604061A1/en

2004-03-04 Priority to BRPI0408171-4A priority patent/BRPI0408171A/pt

2004-03-04 Priority to US10/547,038 priority patent/US20060118260A1/en

2004-03-04 Priority to JP2006507938A priority patent/JP2006519939A/ja

2004-03-04 Priority to PCT/SE2004/000303 priority patent/WO2004079087A1/en

2004-09-08 Publication of SE0300608L publication Critical patent/SE0300608L/xx

2004-10-19 Publication of SE524896C2 publication Critical patent/SE524896C2/sv

Links

OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 title claims abstract description 44
239000004155 Chlorine dioxide Substances 0.000 title claims abstract description 22
235000019398 chlorine dioxide Nutrition 0.000 title claims abstract description 22
238000004061 bleaching Methods 0.000 title claims abstract description 21
229920002678 cellulose Polymers 0.000 title claims abstract description 7
239000001913 cellulose Substances 0.000 title claims abstract description 7
238000010438 heat treatment Methods 0.000 title description 11
238000000034 method Methods 0.000 claims abstract description 20
238000005406 washing Methods 0.000 claims description 5
150000007524 organic acids Chemical class 0.000 abstract description 5
235000005985 organic acids Nutrition 0.000 abstract description 5
230000004048 modification Effects 0.000 abstract description 2
238000012986 modification Methods 0.000 abstract description 2
230000014759 maintenance of location Effects 0.000 abstract 2
230000006378 damage Effects 0.000 abstract 1
239000011121 hardwood Substances 0.000 description 7
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 6
239000000460 chlorine Substances 0.000 description 6
229910052801 chlorine Inorganic materials 0.000 description 6
239000007788 liquid Substances 0.000 description 4
239000011122 softwood Substances 0.000 description 4
238000010411 cooking Methods 0.000 description 3
230000003068 static effect Effects 0.000 description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
230000002378 acidificating effect Effects 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
239000000470 constituent Substances 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
239000000706 filtrate Substances 0.000 description 2
229920005610 lignin Polymers 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
230000001105 regulatory effect Effects 0.000 description 2
229910021653 sulphate ion Inorganic materials 0.000 description 2
238000010306 acid treatment Methods 0.000 description 1
230000006978 adaptation Effects 0.000 description 1
239000003513 alkali Substances 0.000 description 1
239000007844 bleaching agent Substances 0.000 description 1
238000009835 boiling Methods 0.000 description 1
210000000988 bone and bone Anatomy 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
239000002655 kraft paper Substances 0.000 description 1
150000002978 peroxides Chemical class 0.000 description 1
238000004537 pulping Methods 0.000 description 1
238000005086 pumping Methods 0.000 description 1
230000035484 reaction time Effects 0.000 description 1
239000000243 solution Substances 0.000 description 1
238000003860 storage Methods 0.000 description 1
230000007704 transition Effects 0.000 description 1
238000011144 upstream manufacturing Methods 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

SE0300608A 2003-03-07 2003-03-07 Blekning av cellulosamassa med klordioxid i två faser med uppvärmning mellan faserna SE524896C2 (sv)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
SE0300608A SE524896C2 (sv)	2003-03-07	2003-03-07	Blekning av cellulosamassa med klordioxid i två faser med uppvärmning mellan faserna
EP04717335A EP1604061A1 (en)	2003-03-07	2004-03-04	Bleaching of cellulose pulp in a first chlorine dioxide bleaching step
BRPI0408171-4A BRPI0408171A (pt)	2003-03-07	2004-03-04	método para branqueamento de polpa de celulose em uma primeira etapa de branqueamento com dióxido de cloro
US10/547,038 US20060118260A1 (en)	2003-03-07	2004-03-04	Bleaching of cellulose pulp in a first chlorine dioxide bleaching step
JP2006507938A JP2006519939A (ja)	2003-03-07	2004-03-04	第１の二酸化塩素漂白工程でセルロースパルプの漂白方法
PCT/SE2004/000303 WO2004079087A1 (en)	2003-03-07	2004-03-04	Bleaching of cellulose pulp in a first chlorine dioxide bleaching step

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE0300608A SE524896C2 (sv)	2003-03-07	2003-03-07	Blekning av cellulosamassa med klordioxid i två faser med uppvärmning mellan faserna

Publications (3)

Publication Number	Publication Date
SE0300608D0 SE0300608D0 (sv)	2003-03-07
SE0300608L SE0300608L (sv)	2004-09-08
SE524896C2 true SE524896C2 (sv)	2004-10-19

Family

ID=20290593

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE0300608A SE524896C2 (sv)	2003-03-07	2003-03-07	Blekning av cellulosamassa med klordioxid i två faser med uppvärmning mellan faserna

Country Status (6)

Country	Link
US (1)	US20060118260A1 (pt)
EP (1)	EP1604061A1 (pt)
JP (1)	JP2006519939A (pt)
BR (1)	BRPI0408171A (pt)
SE (1)	SE524896C2 (pt)
WO (1)	WO2004079087A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20050173082A1 (en) *	1998-08-24	2005-08-11	Arbozon Oy Ltd.	Bleaching of medium consistency pulp with ozone without high shear mixing
US7976677B2 (en)	2006-12-18	2011-07-12	International Paper Company	Process of bleaching hardwood pulps in a D1 or D2 stage in a presence of a weak base
US7976676B2 (en)	2006-12-18	2011-07-12	International Paper Company	Process of bleaching softwood pulps in a D1 or D2 stage in a presence of a weak base
US8262856B2 (en)	2007-06-18	2012-09-11	Andritz Inc.	Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3745065A (en) *	1971-09-07	1973-07-10	Cons Paper Inc	Control of chlorine dioxide bleaching
ES2085358T3 (es) *	1989-10-19	1996-06-01	Univ North Carolina State	Proceso de alta eficacia para blanquear celulosa con dioxido de cloro.
FI119383B (fi) *	1998-03-06	2008-10-31	Andritz Oy	Menetelmä massan käsittelemiseksi
SE0002198L (sv) *	2000-06-13	2001-12-14	Valmet Fibertech Ab	Blekning av massa
US20050051288A1 (en) *	2003-09-09	2005-03-10	Caifang Yin	Extended retention and medium consistency pulp treatment

2003
- 2003-03-07 SE SE0300608A patent/SE524896C2/sv not_active IP Right Cessation
2004
- 2004-03-04 EP EP04717335A patent/EP1604061A1/en not_active Withdrawn
- 2004-03-04 JP JP2006507938A patent/JP2006519939A/ja active Pending
- 2004-03-04 US US10/547,038 patent/US20060118260A1/en not_active Abandoned
- 2004-03-04 WO PCT/SE2004/000303 patent/WO2004079087A1/en not_active Ceased
- 2004-03-04 BR BRPI0408171-4A patent/BRPI0408171A/pt not_active IP Right Cessation

Also Published As

Publication number	Publication date
SE0300608L (sv)	2004-09-08
EP1604061A1 (en)	2005-12-14
BRPI0408171A (pt)	2006-03-21
WO2004079087A1 (en)	2004-09-16
US20060118260A1 (en)	2006-06-08
JP2006519939A (ja)	2006-08-31
SE0300608D0 (sv)	2003-03-07

Legal Events

Date	Code	Title	Description
2008-11-25	NUG	Patent has lapsed

Publication	Publication Date	Title
CN1036728C (zh)	1997-12-17	连续蒸煮纸浆的蒸煮器和蒸煮方法
US7918967B2 (en)	2011-04-05	Apparatus for decreasing scaling in digester systems
SE1450753A1 (sv)	2015-12-18	Metod för att producera dissolving massa från lignocellulosahaltiga material
US6123807A (en)	2000-09-26	Method for the continuous cooking of pulp
SE524896C2 (sv)	2004-10-19	Blekning av cellulosamassa med klordioxid i två faser med uppvärmning mellan faserna
US5919337A (en)	1999-07-06	Method of continuously isothermally cooking of pulp
US6203662B1 (en)	2001-03-20	Method for the continuous cooking of pulp in a digester system having a top separator
US6136145A (en)	2000-10-24	Method for treating pulp in an indirect heat exchanger in connection with bleaching
US20210040688A1 (en)	2021-02-11	Method of producing dissolving pulp
SE530719C2 (sv)	2008-08-19	Kontinuerlig kokning av cellulosahaltigt material med förbehandling med alkaliska vätskor i två steg
US6103058A (en)	2000-08-15	Method for the continuous cooking of pulp
EP2531644B1 (en)	2014-04-02	Method of controlling filtrate flows and storing of filtrates of a fibre line in a pulp mill
JP5049980B2 (ja)	2012-10-17	連続蒸煮方法及び装置
SE525773C2 (sv)	2005-04-26	Metod och arrangemang för syrgasdelignifiering av cellulosamassa med pH-reglering i slutfasen
JP3898160B2 (ja)	2007-03-28	反転式トップセパレーターを備えた連続蒸解缶装置
US8277608B2 (en)	2012-10-02	Method for treating pulp in connection with the bleaching of chemical pulp
WO1994024362A1 (en)	1994-10-27	Method of continuously cooking pulp
SE1551638A1 (en)	2017-04-18	Method for controlling viscosity in dissolving pulps
US20020088571A1 (en)	2002-07-11	Method and apparatus for treating pulp
SE526241C2 (sv)	2005-08-02	Förfarande för att surgöra lignocellulosahaltig massa före ozonblekning
SE519574C2 (sv)	2003-03-11	Förfarande för avkylning av massa med en värmeväxlare i samband med kokning
SE504078C2 (sv)	1996-11-04	Förfarande och apparatsystem för behandling av cellulosamassa med syra för sänkande av dess kappatal
JPH05125680A (ja)	1993-05-21	カツパー価の異なるパルプを同一のダイジエスター内で交互に切り替えて生産する木材チツプの蒸解方法
BRPI1103082A2 (pt)	2012-11-20	mÉtodo e disposiÇço para lavar polpa com relaÇço À alvejamento