BR9813747A - "alvejamento de polpa quìmica com perácido" - Google Patents
"alvejamento de polpa quìmica com perácido"Info
- Publication number
- BR9813747A BR9813747A BR9813747-6A BR9813747A BR9813747A BR 9813747 A BR9813747 A BR 9813747A BR 9813747 A BR9813747 A BR 9813747A BR 9813747 A BR9813747 A BR 9813747A
- Authority
- BR
- Brazil
- Prior art keywords
- bleaching
- peracid
- pulp
- post
- chemical pulp
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/32—Bleaching 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Detergent Compositions (AREA)
- Cosmetics (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
<B>"ALVEJAMENTO DE POLPA QUìMICA COM PERáCIDO"<D>. A presente invenção se refere a um processo para alvejamento de polpa quimica e ao uso de uma solução de alvejamento. De acordo com a invenção, a polpa é tratada em uma pluralidade de diferentes etapas, mediante uso de pelo menos em uma etapa, de uma solução de alvejamento que contém um perácido e a idéia essencial da invenção é que o perácido é usado em um pós-alvejamento, que é a última etapa do processo de alvejamento, o pós-alvejamento sendo realizado na presença de um ou mais compostos de metais alcalino terrosos. Ao utilizar um perácido, a polpa é trazida para o seu brilho final e a finalidade do metal alcalino terroso adicionado é combater a redução da viscosidade da polpa. De acordo com a invenção, o pós-alvejamento pode ser realizado após as etapas da instalação de alvejamento, em uma tubulação de fluxo de polpa, numa torre de armazenamento ou na máquina de papel em uma fábrica de papel.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI974575A FI112958B (fi) | 1997-12-19 | 1997-12-19 | Menetelmä kemiallisen massan valkaisemiseksi sekä valkaisuliuoksen käyttö |
PCT/FI1998/000993 WO1999032710A1 (en) | 1997-12-19 | 1998-12-18 | Bleaching of chemical pulp with peracid |
Publications (2)
Publication Number | Publication Date |
---|---|
BR9813747A true BR9813747A (pt) | 2000-10-17 |
BR9813747B1 BR9813747B1 (pt) | 2009-01-13 |
Family
ID=8550176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI9813747-6A BR9813747B1 (pt) | 1997-12-19 | 1998-12-18 | alvejamento de polpa quÍmica com perÁcido. |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP1040222B1 (pt) |
JP (1) | JP4499280B2 (pt) |
AT (1) | ATE385526T1 (pt) |
AU (1) | AU1674399A (pt) |
BR (1) | BR9813747B1 (pt) |
CA (1) | CA2315063C (pt) |
DE (1) | DE69839097T2 (pt) |
ES (1) | ES2302362T3 (pt) |
FI (1) | FI112958B (pt) |
PT (1) | PT1040222E (pt) |
WO (1) | WO1999032710A1 (pt) |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI117392B (fi) * | 1999-03-02 | 2006-09-29 | Kemira Oyj | Monivaiheinen valkaisumenetelmä kemiallisen selluloosamassan valkaisemiseksi |
JP3794254B2 (ja) * | 2000-02-28 | 2006-07-05 | 王子製紙株式会社 | 中性紙 |
FI111459B (fi) | 2001-04-04 | 2003-07-31 | Kemira Chemicals Oy | Menetelmä stabiilin peretikkahappotuotteen valmistamiseksi |
FI111745B (fi) | 2001-12-19 | 2003-09-15 | Kemira Chemicals Oy | Parannettu kartonginvalmistusmenetelmä |
DE10211292A1 (de) | 2002-03-14 | 2003-09-25 | Basf Ag | Verfahren zur Herstellung von gefälltem Calciumcarbonat mit hohem Weißgrad |
GB2391011A (en) * | 2002-07-19 | 2004-01-28 | Crosmill Ltd | Bleaching cellulose suspensions |
US7638016B2 (en) | 2005-02-19 | 2009-12-29 | International Paper Company | Method for treating kraft pulp with optical brighteners after chlorine bleaching to increase brightness |
BRPI0607171A2 (pt) * | 2005-02-19 | 2009-08-11 | Int Paper Co | método para fazer polpa e/ou um substrato de papel, polpa, polpa ou substrato de papel e composição |
US7914646B2 (en) | 2006-07-21 | 2011-03-29 | Nalco Company | Compositions and processes for paper production |
JP4956991B2 (ja) * | 2005-12-22 | 2012-06-20 | 三菱瓦斯化学株式会社 | 化学パルプの製造方法 |
JP4967451B2 (ja) | 2006-05-17 | 2012-07-04 | 三菱瓦斯化学株式会社 | 漂白パルプの製造方法 |
CA2709526C (en) | 2007-12-20 | 2016-02-02 | Mitsubishi Gas Chemical Company Inc. | Process for production of bleached pulp |
US7960528B1 (en) | 2009-12-07 | 2011-06-14 | E. I. Du Pont De Nemours And Company | Perhydrolase providing improved peracid stability |
US7932072B1 (en) | 2009-12-07 | 2011-04-26 | E. I. Du Pont De Nemours And Company | Perhydrolase providing improved peracid stability |
US7927854B1 (en) | 2009-12-07 | 2011-04-19 | E. I. Du Pont De Nemours And Company | Perhydrolase providing improved peracid stability |
US7910347B1 (en) | 2009-12-07 | 2011-03-22 | E. I. Du Pont De Nemours And Company | Perhydrolase providing improved peracid stability |
US7923233B1 (en) | 2009-12-07 | 2011-04-12 | E. I. Du Pont De Nemours And Company | Perhydrolase providing improved peracid stability |
US8450091B2 (en) | 2010-03-26 | 2013-05-28 | E. I. Du Pont De Nemours And Company | Perhydrolase providing improved specific activity |
WO2011119706A1 (en) | 2010-03-26 | 2011-09-29 | E.I. Dupont De Nemours And Company | Perhydrolase providing improved specific activity |
WO2011119708A1 (en) | 2010-03-26 | 2011-09-29 | E.I. Dupont De Nemours And Company | Perhydrolase providing improved specific activity |
US8206964B2 (en) | 2010-03-26 | 2012-06-26 | E. I. Du Pont De Nemours And Company | Perhydrolase providing improved specific activity |
US8586339B2 (en) | 2010-03-26 | 2013-11-19 | E. I. Du Pont De Nemours And Company | Facilitated process for purification of proteins |
US8389255B2 (en) | 2010-03-26 | 2013-03-05 | E.I. De Pont De Nemours And Company | Perhydrolase providing improved specific activity |
WO2012087966A2 (en) | 2010-12-20 | 2012-06-28 | E. I. Du Pont De Nemours And Company | Targeted perhydrolases |
WO2012087786A1 (en) | 2010-12-21 | 2012-06-28 | E.I. Dupont De Nemours And Company | Perhydrolase variant providing improved specific activity |
US8399234B2 (en) | 2010-12-21 | 2013-03-19 | E.I. Du Pont De Nemours And Company | Perhydrolase variant providing improved specific activity |
WO2012087785A1 (en) | 2010-12-21 | 2012-06-28 | E.I. Dupont De Nemours And Company | Perhydrolase variant providing improved specific activity |
WO2012087793A1 (en) | 2010-12-21 | 2012-06-28 | E.I. Dupont De Nemours And Company | Perhydrolase variant providing improved specific activity |
WO2012087790A1 (en) | 2010-12-21 | 2012-06-28 | E.I. Dupont De Nemours And Company | Perhydrolase variant providing improved specific activity |
US8394616B2 (en) | 2010-12-21 | 2013-03-12 | E.I. Du Pont De Nemours And Company | Perhydrolase variant providing improved specific activity |
WO2012087787A1 (en) | 2010-12-21 | 2012-06-28 | E.I. Dupont De Nemours And Company | Perhydrolase variant providing improved specific activity |
US8389257B2 (en) | 2010-12-21 | 2013-03-05 | E. I. Du Pont De Nemours And Company | Perhydrolase variant providing improved specific activity |
US9551076B2 (en) | 2011-05-31 | 2017-01-24 | Clean Chemistry, Inc. | Electrochemical reactor and process |
US8546119B2 (en) | 2011-10-25 | 2013-10-01 | E. I. Du Pont De Nemours And Company | Perhydrolase variant providing improved specific activity |
US8557556B2 (en) | 2011-10-25 | 2013-10-15 | E. I. Du Pont De Nemours And Company | Perhydrolase variant providing improved specific activity |
US8546120B2 (en) | 2011-10-25 | 2013-10-01 | E. I. Du Pont De Nemours And Company | Perhydrolase variant providing improved specific activity |
US8809030B2 (en) | 2011-10-25 | 2014-08-19 | E. I. Du Pont De Nemours And Company | Perhydrolase variant providing improved specific activity |
US8735125B2 (en) | 2011-10-25 | 2014-05-27 | E. I. Du Pont De Nemours And Company | Perhydrolase variant providing improved specific activity |
US8956843B2 (en) | 2011-10-25 | 2015-02-17 | E. I. Du Pont De Nemours And Company | Perhydrolase variant providing improved specific activity |
WO2013062885A1 (en) | 2011-10-25 | 2013-05-02 | E.I. Dupont De Nemours And Company | Perhydrolase variant providing improved specific activity |
US8486679B2 (en) | 2011-10-25 | 2013-07-16 | E. I. Du Pont De Nemours And Company | Perhydrolase variant providing improved specific activity |
US8962294B2 (en) | 2011-10-25 | 2015-02-24 | E. I. Du Pont De Nemours And Company | Perhydrolase variant providing improved specific activity |
WO2013096045A1 (en) | 2011-12-19 | 2013-06-27 | E. I. Du Pont De Nemours And Company | Perhydrolase variants providing improved specific activity in the presence of surfactant |
CN104350154B (zh) | 2012-03-30 | 2020-12-29 | 纳幕尔杜邦公司 | 对于过酸的生产有用的酶 |
BR112014024207B1 (pt) | 2012-03-30 | 2022-04-05 | E.I. Du Pont De Nemours And Company | Processo para a produção de um ácido peroxicarboxílico, composição e sistema de geração e fornecimento de perácido |
CA2867998C (en) | 2012-03-30 | 2021-05-04 | E. I. Du Pont De Nemours And Company | Enzymes useful for peracid production |
EP2831252B1 (en) | 2012-03-30 | 2021-11-24 | DuPont US Holding, LLC | Enzymes useful for peracid production |
CA2867939C (en) | 2012-03-30 | 2022-01-04 | E. I. Du Pont De Nemours And Company | Enzymes useful for peracid production |
CA2900460C (en) | 2012-09-07 | 2021-08-31 | Clean Chemistry, Llc | Systems and methods for generation of reactive oxygen species and applications thereof |
FR2997069B1 (fr) * | 2012-10-18 | 2014-12-26 | Nicolas Saverino | Procede de fabrication d'une barquette coloree |
WO2016037149A1 (en) | 2014-09-04 | 2016-03-10 | Clean Chemistry, Inc. | Method of water treatment utilizing a peracetate oxidant solution |
WO2016154531A1 (en) | 2015-03-26 | 2016-09-29 | Clean Chemistry, Inc. | Systems and methods of reducing a bacteria population in high hydrogen sulfide water |
FI127444B (en) * | 2015-05-27 | 2018-06-15 | Kemira Oyj | A method for reducing the viscosity of a pulp in the manufacture of soluble cellulose |
WO2017055504A1 (en) * | 2015-09-30 | 2017-04-06 | Imerys Minerals Limited | Methods for bleaching aqueous pulps and compositions for use in these methods |
US10883224B2 (en) | 2015-12-07 | 2021-01-05 | Clean Chemistry, Inc. | Methods of pulp fiber treatment |
CA3007778C (en) | 2015-12-07 | 2023-09-26 | Clean Chemistry, Inc. | Methods of microbial control |
FI127996B (en) * | 2016-07-01 | 2019-07-15 | Kemira Oyj | Process for treating cellulose |
US11136714B2 (en) | 2016-07-25 | 2021-10-05 | Clean Chemistry, Inc. | Methods of optical brightening agent removal |
US11311012B1 (en) | 2017-09-07 | 2022-04-26 | Clean Chemistry, Inc. | Bacterial control in fermentation systems |
US11001864B1 (en) | 2017-09-07 | 2021-05-11 | Clean Chemistry, Inc. | Bacterial control in fermentation systems |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE420430B (sv) * | 1978-02-17 | 1981-10-05 | Mo Och Domsjoe Ab | Forfarande for blekning och extraktion av lignocellulosahaltig material med peroxidhaltiga blekmedel |
JPH01148891A (ja) * | 1987-12-04 | 1989-06-12 | Nippon Shokubai Kagaku Kogyo Co Ltd | 木材パルプの漂白方法 |
FI90795C (fi) * | 1990-06-07 | 1994-11-22 | Ahlstroem Oy | Tuotantolaitos aines- tai tavaravirtojen käsittelemiseksi, erityisesti sellutehdas |
BE1006057A3 (fr) * | 1992-07-06 | 1994-05-03 | Solvay Interox | Procede pour la delignification d'une pate a papier chimique. |
BE1007651A3 (fr) * | 1993-10-22 | 1995-09-05 | Solvay Interox | Procede pour le blanchiment d'une pate a papier chimique. |
CA2163389A1 (en) * | 1994-11-23 | 1996-05-24 | Malcolm Cronlund | Chlorine-free organosolv pulps |
CN1074073C (zh) * | 1994-12-28 | 2001-10-31 | 矿业技术有限公司 | 提高填料纸亮度的方法和所得改进纸 |
SE506480C2 (sv) * | 1995-06-29 | 1997-12-22 | Sca Graphic Res Ab | Blekning av lignocellulosahaltigt fibermaterial med ozon och persyra i ett kombinationssteg |
JP3698178B2 (ja) * | 1995-09-22 | 2005-09-21 | 三菱瓦斯化学株式会社 | 製紙用化学パルプの漂白方法 |
EP0801170A1 (fr) * | 1996-04-12 | 1997-10-15 | Chemoxal Sa | Procédé pour la délignification et/ou le blanchiment d'une pâte à papier |
FI964715A (fi) * | 1996-11-26 | 1998-05-27 | Keskuslaboratorio | Menetelmä selluloosamassan valkaisemiseksi |
-
1997
- 1997-12-19 FI FI974575A patent/FI112958B/fi not_active IP Right Cessation
-
1998
- 1998-12-18 AT AT98961279T patent/ATE385526T1/de active
- 1998-12-18 ES ES98961279T patent/ES2302362T3/es not_active Expired - Lifetime
- 1998-12-18 EP EP98961279A patent/EP1040222B1/en not_active Expired - Lifetime
- 1998-12-18 AU AU16743/99A patent/AU1674399A/en not_active Abandoned
- 1998-12-18 CA CA002315063A patent/CA2315063C/en not_active Expired - Fee Related
- 1998-12-18 PT PT98961279T patent/PT1040222E/pt unknown
- 1998-12-18 WO PCT/FI1998/000993 patent/WO1999032710A1/en active IP Right Grant
- 1998-12-18 JP JP2000525621A patent/JP4499280B2/ja not_active Expired - Lifetime
- 1998-12-18 DE DE69839097T patent/DE69839097T2/de not_active Expired - Lifetime
- 1998-12-18 BR BRPI9813747-6A patent/BR9813747B1/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
PT1040222E (pt) | 2008-05-05 |
BR9813747B1 (pt) | 2009-01-13 |
JP4499280B2 (ja) | 2010-07-07 |
CA2315063A1 (en) | 1999-07-01 |
WO1999032710A1 (en) | 1999-07-01 |
EP1040222B1 (en) | 2008-02-06 |
FI112958B (fi) | 2004-02-13 |
DE69839097D1 (de) | 2008-03-20 |
AU1674399A (en) | 1999-07-12 |
FI974575A0 (fi) | 1997-12-19 |
CA2315063C (en) | 2008-11-18 |
ES2302362T3 (es) | 2008-07-01 |
FI974575A (fi) | 1999-06-20 |
EP1040222A1 (en) | 2000-10-04 |
DE69839097T2 (de) | 2009-01-29 |
ATE385526T1 (de) | 2008-02-15 |
JP2001527168A (ja) | 2001-12-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR9813747A (pt) | "alvejamento de polpa quìmica com perácido" | |
RU94046173A (ru) | Способ отбеливания пульпы без использования химических продуктов, содержащих хлор | |
FI98841B (fi) | Menetelmä kemiallisen massan delignifioimiseksi | |
SE9302409L (sv) | Massaframställning | |
CA1339593C (en) | Procedure for the bleaching of pulp in which oxygen is used as the oxidating bleaching chemical | |
BR9306842A (pt) | Processo para alvejamento isento de cloro de pasta química | |
ATE210216T1 (de) | Verfahren und enzymatische herstellung zur behandlung von zellstoffpulpe | |
NO953265L (no) | Inhibering av hydrogenperoksiddekomponerende enzymer, for eksempel katalase og peroksidase ved bleking av cellulosefibre | |
SE9700992L (sv) | Förfarande för blekning av kraftmassa | |
DE69113444D1 (de) | Verfahren zum bleichen von chemischem papierzellstoff. | |
SE7907850L (sv) | Forfarande for fullstendig blekning av cellulosa | |
CA2220769A1 (en) | Process for treating paper pulp | |
SE9600773D0 (sv) | Medium consistency ozone brightening of high consistency ozone bleached pulp | |
SE9402726D0 (sv) | Sätt vid massablekning | |
ATE343674T1 (de) | Verfahren zum bleichen von holzstoff und chemothermomechanischer pulpe | |
SE9502365D0 (sv) | Blekning av lignocellulosahaltigt fibermaterial | |
Almberg et al. | Study Favors Oxygen Bleaching over Biological Treatment Plant | |
NO951464L (no) | Fremgangsmåte til behandling av sulfittmasse för bleking med oksygenholdige kjemikalier | |
SE9303551L (sv) | Sätt att behandla kemisk pappersmassa utan användning av klorhaltiga kemikalier | |
SE9603630D0 (sv) | Förfarande för blekning av massa | |
ES2195123T3 (es) | Tratamiento de pasta papelera con un agente quelante sin utilizar torre de blanqueo. | |
SE9403174D0 (sv) | A Method for the enzymatic treatment of chemical pulp before bleaching | |
SE9604511A0 (sv) | Förfarande för blekning av kraftmassa i ett surt peroxidsteg | |
TH18744EX (th) | การผลิตเยื่อ | |
ATE109842T1 (de) | Verfahren zum wasserstoffperoxydbleichen von hochausbeute-zellstoffen. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] | ||
B08G | Application fees: restoration [chapter 8.7 patent gazette] | ||
B25A | Requested transfer of rights approved |
Owner name: KEMIRA OYJ (FI) Free format text: TRANSFERIDO POR FUSAO DE: KEMIRA CHEMICALS OY |
|
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 10/02/2009, OBSERVADAS AS CONDICOES LEGAIS. |
|
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 20A ANUIDADE. |
|
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 2494 DE 23-10-2018 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. |