ATE128498T1 - Verfahren zum bleichen von chemischem papierzellstoff. - Google Patents

Verfahren zum bleichen von chemischem papierzellstoff.

Info

Publication number: ATE128498T1
Authority: AT; Austria
Prior art keywords: enzyme; steps; pulp; bleaching; chemical
Prior art date: 1990-02-02

Application number

AT91903684T

Other languages

English (en)

Inventor

Marja Vaheri

Kimmo Ruohoniemi

Hannu Sonni

Original Assignee

Enso Gutzeit Oy

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.)

1990-02-02

Filing date

1991-02-01

Publication date

1995-10-15

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8529828&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE128498(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1991-02-01 Application filed by Enso Gutzeit Oy filed Critical Enso Gutzeit Oy

1995-10-15 Application granted granted Critical

1995-10-15 Publication of ATE128498T1 publication Critical patent/ATE128498T1/de

Links

238000000034 method Methods 0.000 title abstract 4
238000004061 bleaching Methods 0.000 title abstract 3
239000000126 substance Substances 0.000 title abstract 3
229920001131 Pulp (paper) Polymers 0.000 title abstract 2
102000004190 Enzymes Human genes 0.000 abstract 7
108090000790 Enzymes Proteins 0.000 abstract 7
239000003513 alkali Substances 0.000 abstract 2
230000003247 decreasing effect Effects 0.000 abstract 2
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 abstract 2
230000003647 oxidation Effects 0.000 abstract 2
238000007254 oxidation reaction Methods 0.000 abstract 2
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
239000004155 Chlorine dioxide Substances 0.000 abstract 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
239000000460 chlorine Substances 0.000 abstract 1
235000019398 chlorine dioxide Nutrition 0.000 abstract 1
229910001902 chlorine oxide Inorganic materials 0.000 abstract 1
150000002894 organic compounds Chemical class 0.000 abstract 1
230000001590 oxidative effect Effects 0.000 abstract 1
239000001301 oxygen Substances 0.000 abstract 1
229910052760 oxygen Inorganic materials 0.000 abstract 1
230000036284 oxygen consumption Effects 0.000 abstract 1
150000002978 peroxides Chemical class 0.000 abstract 1
231100000331 toxic Toxicity 0.000 abstract 1
230000002588 toxic effect Effects 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
- 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
- D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively
- 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
- D21C9/16—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)
Chemical & Material Sciences (AREA)
Biochemistry (AREA)
Microbiology (AREA)
Paper (AREA)
Hard Magnetic Materials (AREA)
Agricultural Chemicals And Associated Chemicals (AREA)
Investigating Or Analysing Biological Materials (AREA)

AT91903684T 1990-02-02 1991-02-01 Verfahren zum bleichen von chemischem papierzellstoff. ATE128498T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FI900549A FI89814C (fi)	1990-02-02	1990-02-02	Foerfarande foer blekning av cellulosamassa

Publications (1)

Publication Number	Publication Date
ATE128498T1 true ATE128498T1 (de)	1995-10-15

Family

ID=8529828

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT91903684T ATE128498T1 (de)	1990-02-02	1991-02-01	Verfahren zum bleichen von chemischem papierzellstoff.

Country Status (8)

Country	Link
EP (1)	EP0513140B2 (de)
JP (1)	JPH05509362A (de)
AT (1)	ATE128498T1 (de)
CA (1)	CA2075187A1 (de)
DE (1)	DE69113444D1 (de)
ES (1)	ES2079062T5 (de)
FI (1)	FI89814C (de)
WO (1)	WO1991011553A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI90670C (sv) *	1991-05-02	1994-03-10	Metsae Serla Oy	Behandling av alkalibehandlad massa för användning i pappersframställning
US7816129B2 (en)	1994-07-29	2010-10-19	Ab Enzymes Gmbh	Production and secretion of proteins of bacterial origin in filamentous fungi
EP0905306A1 (de)	1997-09-26	1999-03-31	Consortium für elektrochemische Industrie GmbH	Mehrkomponentensystem zum Verändern, Abbau oder Bleichen von Lignin, ligninhaltigen Materialien sowie Verfahren zu seiner Anwendung
US6602700B1 (en)	1998-09-04	2003-08-05	University Of Georgia Research Foundation, Inc.	Phenolic acid esterases, coding sequences and methods
EP1109912A1 (de)	1998-09-04	2001-06-27	University Of Georgia Research Foundation, Inc.	Phenolsäure esterasen, kodierende sequenzen und verfahren
WO2002052100A2 (en)	2000-12-22	2002-07-04	Iogen Bio-Products Corporation	Alkaline extraction stages comprising xylanase
US7320741B2 (en)	2001-01-18	2008-01-22	Iogen Bio-Products Corporation	Method of xylanase treatment in a chlorine dioxide bleaching sequence
FI20041152L (fi) *	2002-03-06	2004-09-06	Iogen Bio Products Corp	Kemiallisen massan ksylanaasikäsittely
CN1675365A (zh)	2002-06-14	2005-09-28	戴弗萨公司	木聚糖酶、编码木聚糖酶的核酸以及制备和应用它们的方法
BRPI0707784B1 (pt)	2006-02-14	2018-05-22	Verenium Corporation	Ácido nucléico isolado, sintético ou recombinante, cassete de expressão, vetor ou veículo de clonagem, célula hospedeira isolada transformada, e método para produção de um polipeptídeo recombinante

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI90888B (fi) *	1989-02-14	1993-12-31	Enso Gutzeit Oy	Menetelmä selluloosamassan valkaisemiseksi
ZA904441B (en) *	1989-06-22	1991-03-27	Int Paper Co	Enzymatic delignification of lignocellulosic material

1990
- 1990-02-02 FI FI900549A patent/FI89814C/fi not_active IP Right Cessation
1991
- 1991-02-01 AT AT91903684T patent/ATE128498T1/de not_active IP Right Cessation
- 1991-02-01 EP EP91903684A patent/EP0513140B2/de not_active Expired - Lifetime
- 1991-02-01 ES ES91903684T patent/ES2079062T5/es not_active Expired - Lifetime
- 1991-02-01 CA CA002075187A patent/CA2075187A1/en not_active Abandoned
- 1991-02-01 JP JP3503752A patent/JPH05509362A/ja active Pending
- 1991-02-01 WO PCT/FI1991/000033 patent/WO1991011553A1/en not_active Ceased
- 1991-02-01 DE DE69113444T patent/DE69113444D1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
FI89814C (fi)	1993-11-25
EP0513140B2 (de)	1998-03-18
CA2075187A1 (en)	1991-08-03
ES2079062T3 (es)	1996-01-01
FI900549L (fi)	1991-08-03
FI900549A0 (fi)	1990-02-02
DE69113444D1 (de)	1995-11-02
JPH05509362A (ja)	1993-12-22
ES2079062T5 (es)	1998-07-16
WO1991011553A1 (en)	1991-08-08
EP0513140A1 (de)	1992-11-19
FI89814B (fi)	1993-08-13
EP0513140B1 (de)	1995-09-27

Legal Events

Date	Code	Title	Description
2008-11-15	REN	Ceased due to non-payment of the annual fee

Publication	Publication Date	Title
ATE2018T1 (de)	1982-12-15	Verfahren zur delignifizierung und zum bleichen von chemischen und halbchemischen zellstoffen.
DE68907593D1 (de)	1993-08-19	Verfahren zum bleichen von zellstoff.
DE68914135D1 (de)	1994-04-28	Verfahren zum Bleichen von Zellstoff.
ATE128498T1 (de)	1995-10-15	Verfahren zum bleichen von chemischem papierzellstoff.
DE68912322D1 (de)	1994-02-24	Verfahren zum Bleichen von Sulfatzellstoff.
ES2038954A6 (es)	1993-08-01	Metodo para blanquear pasta de papel.
DE69309938D1 (de)	1997-05-22	Methode zum behandeln von abwässern
ATE24745T1 (de)	1987-01-15	Hypochlorit-behandlung von chemischen papierpulpen.
FI905456L (fi)	1992-05-03	Foerfarande foer blekning av cellulosamassa.
ATE168149T1 (de)	1998-07-15	Verfahren zur verbesserung der selektivität bei der delignifizierung von chemischem zellstoff
SE9603029D0 (sv)	1996-08-20	Method for lowering the level of oxalic acid
ATE183264T1 (de)	1999-08-15	Verfahren zum bleichen von zellstoff ohne verwendung von chlor enthaltenden chemikalien
SE9601709D0 (sv)	1996-05-03	Treatment of filtrates in peroxide bleaching of pulp
DE3667184D1 (de)	1990-01-04	Verfahren zum bleichen von chemischen holzpulpen.
SE9300277L (sv)	1994-07-30	Förfarande för klorfri blekning av massa, varvid massan surgöres med ättiksyra vid behandlingen med komplexbildare
ATE175738T1 (de)	1999-01-15	Verfahren zum bleichen von zellstoff
NO984593L (no)	1999-04-06	FremgangsmÕte for bleking av kjemiske papirmasser
SE9603630D0 (sv)	1996-10-04	Förfarande för blekning av massa
FI19991816A7 (fi)	2001-02-27	Menetelmä ja laitteisto massan käsittelemiseksi
FI19991817A7 (fi)	2001-02-27	Menetelmä ja laitteisto massan käsittelemiseksi