ES2050747T3 - Procedimiento para el blanqueo de pasta papelera. - Google Patents

Procedimiento para el blanqueo de pasta papelera.

Info

Publication number: ES2050747T3
Authority: ES; Spain
Prior art keywords: bleaching; pulp; procedure; oxidation; pasta
Prior art date: 1989-02-14
Legal status (The legal status 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 status listed.): Expired - Lifetime

Application number

ES89117235T

Other languages

English (en)

Spanish (es)

Inventor

Marja Vaheri

Veikko Jokela

Kari Miikki

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Stora Enso Oyj

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.)

1989-02-14

Filing date

1989-09-18

Publication date

1994-06-01

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8527891&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2050747(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1989-09-18 Application filed by Enso Gutzeit Oy filed Critical Enso Gutzeit Oy

1994-06-01 Application granted granted Critical

1994-06-01 Publication of ES2050747T3 publication Critical patent/ES2050747T3/es

2009-09-18 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000004061 bleaching Methods 0.000 title abstract 3
238000000034 method Methods 0.000 title abstract 2
235000015927 pasta Nutrition 0.000 title 1
102000004190 Enzymes Human genes 0.000 abstract 3
108090000790 Enzymes Proteins 0.000 abstract 3
230000003647 oxidation Effects 0.000 abstract 3
238000007254 oxidation reaction Methods 0.000 abstract 3
239000000126 substance Substances 0.000 abstract 3
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 2
239000000460 chlorine Substances 0.000 abstract 2
229910052801 chlorine Inorganic materials 0.000 abstract 2
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 abstract 2
VGVRPFIJEJYOFN-UHFFFAOYSA-N 2,3,4,6-tetrachlorophenol Chemical class OC1=C(Cl)C=C(Cl)C(Cl)=C1Cl VGVRPFIJEJYOFN-UHFFFAOYSA-N 0.000 abstract 1
239000004155 Chlorine dioxide Substances 0.000 abstract 1
239000003513 alkali Substances 0.000 abstract 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
239000007844 bleaching agent Substances 0.000 abstract 1
235000019398 chlorine dioxide Nutrition 0.000 abstract 1
239000001301 oxygen Substances 0.000 abstract 1
229910052760 oxygen Inorganic materials 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
- D21C9/1057—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
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Chemical & Material Sciences (AREA)
Biochemistry (AREA)
Microbiology (AREA)
Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Silver Salt Photography Or Processing Solution Therefor (AREA)
Cereal-Derived Products (AREA)
Table Devices Or Equipment (AREA)
Noodles (AREA)

ES89117235T 1989-02-14 1989-09-18 Procedimiento para el blanqueo de pasta papelera. Expired - Lifetime ES2050747T3 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FI890700A FI90888B (fi)	1989-02-14	1989-02-14	Menetelmä selluloosamassan valkaisemiseksi

Publications (1)

Publication Number	Publication Date
ES2050747T3 true ES2050747T3 (es)	1994-06-01

Family

ID=8527891

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES89117235T Expired - Lifetime ES2050747T3 (es)	1989-02-14	1989-09-18	Procedimiento para el blanqueo de pasta papelera.

Country Status (8)

Country	Link
EP (1)	EP0383999B1 (fr)
JP (1)	JPH02221482A (fr)
AT (1)	ATE103351T1 (fr)
CA (1)	CA1339594C (fr)
DE (1)	DE68914135D1 (fr)
ES (1)	ES2050747T3 (fr)
FI (1)	FI90888B (fr)
NO (1)	NO176406C (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI86896B (fi) *	1989-05-04	1992-07-15	Enso Gutzeit Oy	Foerfarande foer blekning av cellulosamassa.
SE465320B (sv) *	1990-01-10	1991-08-26	Korsnaes Ab	Preparat som uppvisar enzymatisk delignifieringsaktivitet, saett att framstaella detsamma och tillaempningar daerav
FI89814C (fi) *	1990-02-02	1993-11-25	Enso Gutzeit Oy	Foerfarande foer blekning av cellulosamassa
US5837515A (en) *	1990-05-16	1998-11-17	Alko-Yhtiot Oy	Enzyme preparations and methods for their production
JP2859393B2 (ja) *	1990-07-24	1999-02-17	ノボノルディスクアクティーゼルスカブ	セルラーゼ及びその製造法
DK203490D0 (da) *	1990-08-24	1990-08-24	Novo Nordisk As	Fremgangsmaade til behandling af lignocellulosepulp og apparat til udfoerelse af processen
DE4129739A1 (de) *	1990-09-11	1992-03-12	Sandoz Ag	Chlorfreies bleichen von papierpulpe
FI108800B (fi) *	1991-05-07	2002-03-28	Iogen Corp	Menetelmä ja laitteisto entsyymin käyttämiseksi paperimassan valmistuksessa ja valkaisussa
CA2044100A1 (fr) *	1991-06-07	1992-12-08	Janice Hamilton	Procede de bioblanchiment
US5369024A (en) *	1992-03-25	1994-11-29	The United States Of America As Represented By The Secretary Of Agriculture	Xylanase from streptomyces roseiscleroticus NRRL-11019 for removing color from kraft wood pulps
US5498534A (en) *	1992-03-25	1996-03-12	The United States Of America As Represented By The Secretary Of Agriculture	Method of removing color from wood pulp using xylanase from streptomyces roseiscleroticus NRRL B-11019
DE4422307A1 (de) *	1994-06-17	1995-12-21	Melitta Haushaltsprodukte	Verfahren zum Delignifizieren und Bleichen von ungebleichten Zellstoffsuspensionen unter Verwendung von Stickstoffverbindungen
US7816129B2 (en)	1994-07-29	2010-10-19	Ab Enzymes Gmbh	Production and secretion of proteins of bacterial origin in filamentous fungi
US5871730A (en) *	1994-07-29	1999-02-16	Universite De Sherbrooke	Thermostable xylanase DNA, protein and methods of use
US6300114B1 (en)	1994-07-29	2001-10-09	Rohm Enzyme Finland Oy	Sequences of xylanase and xylanase expression vectors
US5935836A (en) *	1994-07-29	1999-08-10	Rohm Enzyme Finland Oy	Actinomadura xylanase sequences and methods of use
AU2002229430A1 (en)	2001-01-18	2002-07-30	Iogen Bio-Products Corporation	Use of xylanase in pulp bleaching
US7368036B2 (en)	2002-03-06	2008-05-06	Iogen Bio-Products Corporation	Xylanase treatment of chemical pulp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1086905A (fr) *	1977-10-25	1980-10-07	W. Howard Rapson	Fonctionnement d'une installation de blanchiment
JPS5468402A (en) *	1977-11-09	1979-06-01	Kogyo Gijutsuin	Property modification of biochemical pulp
FI81395B (fi) *	1988-03-14	1990-06-29	Cultor Oy	Foerfarande foer blekning av cellulosamassa.

1989
- 1989-02-14 FI FI890700A patent/FI90888B/fi not_active Application Discontinuation
- 1989-09-18 JP JP1241667A patent/JPH02221482A/ja active Pending
- 1989-09-18 CA CA000611773A patent/CA1339594C/fr not_active Expired - Fee Related
- 1989-09-18 NO NO893714A patent/NO176406C/no not_active IP Right Cessation
- 1989-09-18 DE DE89117235T patent/DE68914135D1/de not_active Expired - Lifetime
- 1989-09-18 ES ES89117235T patent/ES2050747T3/es not_active Expired - Lifetime
- 1989-09-18 EP EP89117235A patent/EP0383999B1/fr not_active Revoked
- 1989-09-18 AT AT89117235T patent/ATE103351T1/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP0383999A3 (en)	1990-12-12
EP0383999B1 (fr)	1994-03-23
FI890700A (fi)	1990-08-15
NO893714D0 (no)	1989-09-18
NO176406B (no)	1994-12-19
JPH02221482A (ja)	1990-09-04
ATE103351T1 (de)	1994-04-15
FI890700A0 (fi)	1989-02-14
FI90888B (fi)	1993-12-31
NO893714L (no)	1990-08-15
NO176406C (no)	1995-03-29
EP0383999A2 (fr)	1990-08-29
DE68914135D1 (de)	1994-04-28
CA1339594C (fr)	1997-12-23

Legal Events

Date

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Title

Description