SE9203585L - Delignifiering och blekning av lignocellulosahaltig massa med persyra och klorfritt blekmedel - Google Patents

Delignifiering och blekning av lignocellulosahaltig massa med persyra och klorfritt blekmedel

Info

Publication number: SE9203585L
Authority: SE; Sweden
Prior art keywords: peracid; pulp; delignification; bleaching; chlorine
Prior art date: 1992-11-27

Application number

SE9203585A

Other languages

English (en)

Other versions

SE500605C2 (sv

SE9203585D0 (sv

Inventor

Magnus Linsten

Jiri Basta

Ann-Sofie Haellstroem

Original Assignee

Eka Nobel 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.)

1992-11-27

Filing date

1992-11-27

Publication date

1994-05-28

1992-11-27 Application filed by Eka Nobel Ab filed Critical Eka Nobel Ab

1992-11-27 Priority to SE9203585A priority Critical patent/SE500605C2/sv

1992-11-27 Publication of SE9203585D0 publication Critical patent/SE9203585D0/sv

1993-11-23 Priority to ZA938748A priority patent/ZA938748B/xx

1993-11-25 Priority to JP6513052A priority patent/JP2864167B2/ja

1993-11-25 Priority to PL93309191A priority patent/PL309191A1/xx

1993-11-25 Priority to MX9307415A priority patent/MX9307415A/es

1993-11-25 Priority to AT94901143T priority patent/ATE146833T1/de

1993-11-25 Priority to RU9595114367A priority patent/RU2097462C1/ru

1993-11-25 Priority to US08/436,243 priority patent/US5785812A/en

1993-11-25 Priority to AU55832/94A priority patent/AU670659B2/en

1993-11-25 Priority to NZ258274A priority patent/NZ258274A/en

1993-11-25 Priority to CA002149648A priority patent/CA2149648C/en

1993-11-25 Priority to EP94901143A priority patent/EP0670928B2/en

1993-11-25 Priority to DE69306974T priority patent/DE69306974T3/de

1993-11-25 Priority to CZ951329A priority patent/CZ282692B6/cs

1993-11-25 Priority to ES94901143T priority patent/ES2096441T3/es

1993-11-25 Priority to BR9307521-9A priority patent/BR9307521A/pt

1993-11-25 Priority to PCT/SE1993/001019 priority patent/WO1994012721A1/en

1994-05-28 Publication of SE9203585L publication Critical patent/SE9203585L/sv

1994-07-25 Publication of SE500605C2 publication Critical patent/SE500605C2/sv

1995-05-24 Priority to FI952552A priority patent/FI118571B/sv

1995-05-26 Priority to NO952076A priority patent/NO307260B1/no

1998-02-19 Priority to US09/026,510 priority patent/US6007678A/en

Links

150000004965 peroxy acids Chemical class 0.000 title abstract 5
239000007844 bleaching agent Substances 0.000 title abstract 2
238000004061 bleaching Methods 0.000 title 1
KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 abstract 2
150000002978 peroxides Chemical class 0.000 abstract 2
KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 abstract 1
QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 abstract 1
CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract 1
238000010668 complexation reaction Methods 0.000 abstract 1
QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 abstract 1
238000006213 oxygenation reaction Methods 0.000 abstract 1
150000003839 salts Chemical class 0.000 abstract 1
JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 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
- D21C9/1026—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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
- 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)

SE9203585A 1992-11-27 1992-11-27 Delignifiering och blekning av lignocellulosahaltig massa med persyra och klorfritt blekmedel SE500605C2 (sv)

Priority Applications (20)

Application Number	Priority Date	Filing Date	Title
SE9203585A SE500605C2 (sv)	1992-11-27	1992-11-27	Delignifiering och blekning av lignocellulosahaltig massa med persyra och klorfritt blekmedel
ZA938748A ZA938748B (en)	1992-11-27	1993-11-23	Process for delignification of lignocellulose-containing pulp
PCT/SE1993/001019 WO1994012721A1 (en)	1992-11-27	1993-11-25	Process for delignification of lignocellulose-containing pulp
CA002149648A CA2149648C (en)	1992-11-27	1993-11-25	Process for delignification of lignocellulose-containing pulp
EP94901143A EP0670928B2 (en)	1992-11-27	1993-11-25	Process for delignification of lignocellulose-containing pulp
MX9307415A MX9307415A (es)	1992-11-27	1993-11-25	Proceso para la deslignificacion de pulpa que contiene lignocelulosa.
AT94901143T ATE146833T1 (de)	1992-11-27	1993-11-25	Verfahren zur deligrifizierung von lignocellulosehaltigem zellstoff
RU9595114367A RU2097462C1 (ru)	1992-11-27	1993-11-25	Способ делигнификации и отбеливания лигноцеллюлозосодержащей пульпы
US08/436,243 US5785812A (en)	1992-11-27	1993-11-25	Process for treating oxygen delignified pulp using an organic peracid or salt, complexing agent and peroxide bleach sequence
AU55832/94A AU670659B2 (en)	1992-11-27	1993-11-25	Process for delignification of lignocellulose-containing pulp
NZ258274A NZ258274A (en)	1992-11-27	1993-11-25	Delignifying and bleaching lignocellulose pulp using peracid delignification followed by treatment with a complexing agent then a chlorine-free bleach
JP6513052A JP2864167B2 (ja)	1992-11-27	1993-11-25	リグノセルロース含有パルプの脱リグニン化法
PL93309191A PL309191A1 (en)	1992-11-27	1993-11-25	Method delignifying a lignocellulose containing pulp
DE69306974T DE69306974T3 (de)	1992-11-27	1993-11-25	Verfahren zur deligrifizierung von lignocellulosehaltigem zellstoff
CZ951329A CZ282692B6 (cs)	1992-11-27	1993-11-25	Způsob delignifikace buničiny obsahující lignocelulozu
ES94901143T ES2096441T3 (es)	1992-11-27	1993-11-25	Procedimiento para deslignificar pasta que contiene lignocelulosa.
BR9307521-9A BR9307521A (pt)	1992-11-27	1993-11-25	Processo para a deslignificação e alvejamento de polpa contendo lignocelulose
FI952552A FI118571B (sv)	1992-11-27	1995-05-24	Förfarande för delignifiering av lignocellulosahaltig massa
NO952076A NO307260B1 (no)	1992-11-27	1995-05-26	Fremgangsmåte ved delignifisering og bleking av lignocelluloseholdig masse
US09/026,510 US6007678A (en)	1992-11-27	1998-02-19	Process for delignification of lignocellulose-containing pulp with an organic peracid or salts thereof

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE9203585A SE500605C2 (sv)	1992-11-27	1992-11-27	Delignifiering och blekning av lignocellulosahaltig massa med persyra och klorfritt blekmedel

Publications (3)

Publication Number	Publication Date
SE9203585D0 SE9203585D0 (sv)	1992-11-27
SE9203585L true SE9203585L (sv)	1994-05-28
SE500605C2 SE500605C2 (sv)	1994-07-25

Family

ID=20387965

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9203585A SE500605C2 (sv)	1992-11-27	1992-11-27	Delignifiering och blekning av lignocellulosahaltig massa med persyra och klorfritt blekmedel

Country Status (3)

Country	Link
RU (1)	RU2097462C1 (sv)
SE (1)	SE500605C2 (sv)
ZA (1)	ZA938748B (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
RU2179209C1 (ru) *	2001-04-16	2002-02-10	Мозырева Елена Анатольевна	Способ делигнификации и отбелки целлюлозных материалов
RU2321696C1 (ru) *	2006-08-11	2008-04-10	Закрытое акционерное общество "ХИМПРОЦЕСС"	Способ получения целлюлозы
FI127996B (sv)	2016-07-01	2019-07-15	Kemira Oyj	Process för behandling av cellulosa

1992
- 1992-11-27 SE SE9203585A patent/SE500605C2/sv not_active IP Right Cessation
1993
- 1993-11-23 ZA ZA938748A patent/ZA938748B/xx unknown
- 1993-11-25 RU RU9595114367A patent/RU2097462C1/ru active

Also Published As

Publication number	Publication date
ZA938748B (en)	1994-06-30
SE500605C2 (sv)	1994-07-25
RU2097462C1 (ru)	1997-11-27
RU95114367A (ru)	1996-12-27
SE9203585D0 (sv)	1992-11-27

Legal Events

Date	Code	Title	Description
2010-06-29	NUG	Patent has lapsed

Publication	Publication Date	Title
NO952076D0 (no)	1995-05-26	Fremgangsmåte ved delignifisering av lignocelluloseholdig masse
SE7902901L (sv)	1979-10-05	Sett for blekning av oxygendelignifierad, cellulosahaltig massa med ozon
SE8100373L (sv)	1981-07-25	Forfarande vid ozonblekning av pappersmassa
SE9101301L (sv)	1992-10-31	Foerfarande vid blekning av lignocellulosahaltig massa
FI940412A0 (sv)	1994-01-27	Syre/ozon/perättiksyradelignifiering och -blekning av cellulosamassor
SE9700992D0 (sv)	1997-03-18	Method of bleaching kraft pulp
SE9203585L (sv)	1994-05-28	Delignifiering och blekning av lignocellulosahaltig massa med persyra och klorfritt blekmedel
FI906076A0 (sv)	1990-12-10	Förfarande för blekning av kemiska cellulosamassor för framställning av blekta absorberande massor
YU23892A (sh)	1994-06-10	Postupak za beljenje hemijske kaše hartije i primena ovog postupka za beljenje kraft kaše
FI952551A0 (sv)	1995-05-24	Förfarande för blekning av lignocellulosahaltig massa
BR9508653A (pt)	1997-11-11	Processo de alvejar polpa quimica em diversas etapas
SE9301984L (sv)	1994-12-09	Klorfri blekning av kemisk pappersmassa
FI934056L (sv)	1995-03-16	Förfarande för blekning av massa
SE9303066L (sv)	1995-03-22	Blekning av kemisk massa varvid massan behandlas med komplexbildare före och efter ett ozonsteg
SE9300277D0 (sv)	1993-01-29	Klorfri massablekning
NO913848D0 (no)	1991-10-01	Fremgangsmaate til klorfattig bleking og delignifisering av cellulose