BR9307858A - Processo para o processamento de polpa que contem metais pesados tais como manganês - Google Patents

Processo para o processamento de polpa que contem metais pesados tais como manganês

Info

Publication number: BR9307858A
Authority: BR; Brazil
Prior art keywords: washer; pulp; washing; manganese; processing
Prior art date: 1993-03-03

Application number

BR9307858A

Other languages

English (en)

Portuguese (pt)

Inventor

Kaj Henricson

Bertil Stromberg

Original Assignee

Ahlstroem 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.)

1993-03-03

Filing date

1993-05-25

Publication date

1996-02-27

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8537491&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9307858(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1993-05-25 Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy

1996-02-27 Publication of BR9307858A publication Critical patent/BR9307858A/pt

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
- D21C9/1026—Other features in bleaching processes
- 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating 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
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
- 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
- D21C9/1057—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
- D21C9/147—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
- D21C9/147—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)
Detergent Compositions (AREA)
Coloring Foods And Improving Nutritive Qualities (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

BR9307858A 1993-03-03 1993-05-25 Processo para o processamento de polpa que contem metais pesados tais como manganês BR9307858A (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI930954A FI93232C (sv)	1993-03-03	1993-03-03	Förfarande för blekning av massa med klorfria kemikalier
PCT/FI1993/000222 WO1994020673A1 (en)	1993-03-03	1993-05-25	Method of bleaching pulp with chlorine-free chemicals

Publications (1)

Publication Number	Publication Date
BR9307858A true BR9307858A (pt)	1996-02-27

Family

ID=8537491

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9307858A BR9307858A (pt)	1993-03-03	1993-05-25	Processo para o processamento de polpa que contem metais pesados tais como manganês

Country Status (13)

Country	Link
EP (2)	EP0884415B1 (sv)
JP (1)	JP3276083B2 (sv)
AT (2)	ATE176808T1 (sv)
AU (1)	AU5370594A (sv)
BR (1)	BR9307858A (sv)
CA (1)	CA2157109C (sv)
DE (2)	DE69323566T2 (sv)
ES (2)	ES2186948T3 (sv)
FI (3)	FI93232C (sv)
NO (1)	NO953444L (sv)
PT (1)	PT884415E (sv)
RU (1)	RU2126471C1 (sv)
WO (1)	WO1994020673A1 (sv)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI89516B (fi)	1989-05-10	1993-06-30	Ahlstroem Oy	Foerfarande foer blekning av cellulosamassa med otson
FI103818B1 (sv) *	1995-02-21	1999-09-30	Ahlstrom Machinery Oy	Massablekningsförfarande
US20080110584A1 (en) *	2006-11-15	2008-05-15	Caifang Yin	Bleaching process with at least one extraction stage
FR2910027B1 (fr) *	2006-12-13	2009-11-06	Itt Mfg Enterprises Inc	Procede de blanchiment des pates papeteries chimiques par traitement final a l'ozone a haute temperature
FI119062B (sv) *	2006-12-28	2008-07-15	Upm Kymmene Corp	Förfarande för tillverkning av mekanisk massa
MX382646B (es)	2009-05-28	2025-03-13	Gp Cellulose Gmbh	Celulosa modificada a partir de fibra kraft química y métodos para elaborarla y su uso.
CN103703184B (zh)	2011-05-23	2016-09-07	Gp纤维素股份有限公司	具有改进的白度和亮度的针叶树材牛皮纸纤维及其制造和使用方法
WO2013106703A1 (en)	2012-01-12	2013-07-18	Georgia-Pacific Consumer Products Lp	A low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same
CN106968127B (zh)	2012-04-18	2019-03-01	Gp纤维素股份有限公司	用于粘胶溶液的针叶木牛皮纸浆
EP2954115B1 (en)	2013-02-08	2022-01-12	GP Cellulose GmbH	Softwood kraft fiber having an improved a-cellulose content and its use in the production of chemical cellulose products
BR112015019882A2 (pt)	2013-03-14	2017-07-18	Gp Cellulose Gmbh	fibra kraft clareada oxidada e métodos para fazer polpa kraft e fibra kraft de madeira macia e para clarear polpa kraft de celulose em sequência de branqueamento de multi-estágios
AU2014229512B2 (en)	2013-03-15	2017-06-22	Gp Cellulose Gmbh	A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
FR3007044B1 (fr) *	2013-06-13	2016-01-15	Air Liquide	Procede de traitement des pates papetieres chimiques par traitement a l'ozone en presence d'ions magnesium
AT515152B1 (de) *	2013-11-26	2015-12-15	Chemiefaser Lenzing Ag	Verfahren zum Vorbehandeln von rückgewonnenen Baumwollfasern zur Verwendung bei der Herstellung von Formkörpern aus regenerierter Cellulose
WO2018093697A1 (en)	2016-11-16	2018-05-24	Gp Cellulose Gmbh	Modified cellulose from chemical fiber and methods of making and using the same
SE2051513A1 (en) *	2020-12-21	2022-03-08	Valmet Oy	Method for bleaching pulp from recycled textile material
SE545759C2 (en) *	2022-06-20	2024-01-02	Valmet Oy	Method for bleaching pulp from recycled textile material

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NO144711C (no) *	1978-04-04	1981-10-21	Myrens Verksted As	Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon
US4310384A (en) *	1979-01-11	1982-01-12	Weyerhaeuser Company	Reducing chemical transfer between treatment stages
FI74752C (sv) *	1986-03-20	1992-12-01	Ahlstroem Oy	Förfarande och anordning för tvättning av cellulosa
DE402335T1 (de) *	1989-06-06	1992-04-09	Eka Nobel Ab, Surte	Verfahren zum bleichen von lignocellulose enthaltenden zellstoffen.
SU1675451A1 (ru) *	1989-09-25	1991-09-07	Центральный научно-исследовательский институт бумаги	Способ подготовки волокнистого полуфабриката к отливу бумажного полотна при изготовлении бумаги
AU636173B2 (en) *	1989-10-30	1993-04-22	Lenzing Aktiengesellschaft	Method for the chlorine-free bleaching of pulps
US5567262A (en) *	1991-04-16	1996-10-22	Ahlstrom Machinery Inc.	Two stage pressure diffuser
SE468355B (sv) *	1991-04-30	1992-12-21	Eka Nobel Ab	Blekning av kemisk massa genom behandling med komplexbildare och ozon
AT400153B (de) *	1991-05-02	1995-10-25	Voest Alpine Ind Anlagen	Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien

1993
- 1993-03-03 FI FI930954A patent/FI93232C/sv active
- 1993-05-25 WO PCT/FI1993/000222 patent/WO1994020673A1/en not_active Ceased
- 1993-05-25 FI FI954093A patent/FI954093A7/sv not_active IP Right Cessation
- 1993-05-25 PT PT98113684T patent/PT884415E/pt unknown
- 1993-05-25 JP JP51962394A patent/JP3276083B2/ja not_active Expired - Fee Related
- 1993-05-25 EP EP98113684A patent/EP0884415B1/en not_active Expired - Lifetime
- 1993-05-25 ES ES98113684T patent/ES2186948T3/es not_active Expired - Lifetime
- 1993-05-25 EP EP93910051A patent/EP0687321B1/en not_active Expired - Lifetime
- 1993-05-25 DE DE69323566T patent/DE69323566T2/de not_active Expired - Fee Related
- 1993-05-25 AT AT93910051T patent/ATE176808T1/de not_active IP Right Cessation
- 1993-05-25 RU RU95122814A patent/RU2126471C1/ru active
- 1993-05-25 CA CA002157109A patent/CA2157109C/en not_active Expired - Fee Related
- 1993-05-25 AU AU53705/94A patent/AU5370594A/en not_active Abandoned
- 1993-05-25 AT AT98113684T patent/ATE228181T1/de not_active IP Right Cessation
- 1993-05-25 BR BR9307858A patent/BR9307858A/pt not_active IP Right Cessation
- 1993-05-25 ES ES93910051T patent/ES2130260T3/es not_active Expired - Lifetime
- 1993-05-25 DE DE69332508T patent/DE69332508T2/de not_active Expired - Fee Related
- 1993-09-15 FI FI934036A patent/FI98223B/sv not_active IP Right Cessation
1995
- 1995-09-01 NO NO953444A patent/NO953444L/no unknown

Also Published As

Publication number	Publication date
AU5370594A (en)	1994-09-26
EP0884415B1 (en)	2002-11-20
NO953444L (no)	1995-10-19
DE69323566D1 (de)	1999-03-25
JPH08509781A (ja)	1996-10-15
ES2186948T3 (es)	2003-05-16
FI934036A0 (sv)	1993-09-15
FI954093A0 (sv)	1995-08-30
PT884415E (pt)	2003-03-31
RU2126471C1 (ru)	1999-02-20
FI930954A0 (sv)	1993-03-03
DE69332508T2 (de)	2003-07-03
JP3276083B2 (ja)	2002-04-22
NO953444D0 (no)	1995-09-01
FI930954L (sv)	1994-09-04
FI93232B (sv)	1994-11-30
ES2130260T3 (es)	1999-07-01
WO1994020673A1 (en)	1994-09-15
ATE176808T1 (de)	1999-03-15
DE69332508D1 (de)	2003-01-02
ATE228181T1 (de)	2002-12-15
FI93232C (sv)	1995-03-10
FI934036L (sv)	1994-09-04
DE69323566T2 (de)	1999-07-15
EP0687321B1 (en)	1999-02-17
CA2157109C (en)	2002-09-03
EP0884415A1 (en)	1998-12-16
FI954093A7 (sv)	1995-10-17
CA2157109A1 (en)	1994-09-15
EP0687321A1 (en)	1995-12-20
FI98223B (sv)	1997-01-31

Publication	Publication Date	Title
BR9307858A (pt)	1996-02-27	Processo para o processamento de polpa que contem metais pesados tais como manganês
ATE2018T1 (de)	1982-12-15	Verfahren zur delignifizierung und zum bleichen von chemischen und halbchemischen zellstoffen.
DE69415619D1 (de)	1999-02-11	Behandlung von bleichanlageabwässern
CA2231551A1 (en)	1997-03-20	Supply of washing liquid in a fractionating multi-stage washer
EP0656966B1 (en)	1997-04-16	Method of treating process water
SE9803052D0 (sv)	1998-09-09	Blekning av massa
SE9801232D0 (sv)	1998-04-08	Sätt vid peroxidblekning av massa
BR9304438A (pt)	1994-05-03	Processo para o alvejamento de polpa contendo ligno-celulose.
FI934056L (sv)	1995-03-16	Förfarande för blekning av massa
BR9407975A (pt)	1996-12-03	Processo de separaçao de ions de metal de pasta de material contendo lignocelulose
SE9401628L (sv)	1995-11-11	Förfarande vid syrgasdelignifiering
FI86895B (fi)	1992-07-15	Foerfarande foer motstroemstvaettning och blekning av massa fraon cellulosakok.
SE8902058D0 (sv)	1989-06-06	Foerfarande vid blekning av lignocellulosa- haltigt material
DE59203937D1 (de)	1995-11-16	Verfahren zum Waschen und Bleichen von Wäsche.
DE3674859D1 (de)	1990-11-15	Verfahren zur delignifizierung von zellulosematerialien.
DE59704964D1 (de)	2001-11-22	Verfahren zur Herstellung von gebleichten Spezialzellstoffen
CA2156523A1 (en)	1994-09-01	Wood pulp processing apparatus and method
DE69406457D1 (de)	1997-11-27	Ozonbleichverfahren für zellstoff
SE9301293L (sv)	1994-10-21	Förfarande för blekning av lignocellulosahaltig massa

Legal Events

Date	Code	Title	Description
1999-11-16	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
2000-09-05	FF	Decision: intention to grant
2001-02-06	FG9A	Patent or certificate of addition granted
2001-05-15	TC	Change of name
2001-06-26	HKT	Transfer or change (deleted)
2001-07-17	PC	Transfer	Free format text: AHLSTROM MACHINERY OY (FI)
2001-08-14	TC	Change of name
2010-12-07	B24C	Patent annual fee: request for for restoration	Free format text: REFERENTE A 9A,13A,14A,15A,16A E 17A ANUIDADES.
2015-11-24	B21F	Lapse acc. art. 78, item iv - on non-payment of the annual fees in time	Free format text: REFERENTE AS 18A, 19A E 20A ANUIDADES. PAGAR RESTAURACAO.
2017-01-24	B24J	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)	Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2342 DE 24-11-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.