BR9712891A - tágio único com ácido fórmico e lavagem com ácido perfórmico. - Google Patents
tágio único com ácido fórmico e lavagem com ácido perfórmico.Info
- Publication number
- BR9712891A BR9712891A BR9712891A BR9712891A BR9712891A BR 9712891 A BR9712891 A BR 9712891A BR 9712891 A BR9712891 A BR 9712891A BR 9712891 A BR9712891 A BR 9712891A BR 9712891 A BR9712891 A BR 9712891A
- Authority
- BR
- Brazil
- Prior art keywords
- formic acid
- pct
- washing
- date
- performic acid
- Prior art date
Links
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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/003—Pulping cellulose-containing materials with organic compounds
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/006—Pulping cellulose-containing materials with compounds not otherwise provided for
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
-
- 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)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatment Of Fiber Materials (AREA)
- Artificial Filaments (AREA)
Abstract
IDO PERFóRMICO".<D> A presente invenção se refere a um método para produção de polpa de alto brilho, usando cozimento de estágio único com ácido fórmico, lavagem com ácido perfórmico e branqueamento com produtos químicos descorantes oxidantes. Na lavlizadas para modificação da lignina residual. O método da invenção proporciona um brilho segundo o padrão ISO, superior a 90%, sem o uso de produtos químicos de cloro. O método pode ser aplicado tanto às plantas herbáceas como à madeira.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI964466A FI103899B1 (fi) | 1996-11-06 | 1996-11-06 | Menetelmä erityisen vaalean massan valmistamiseksi |
| PCT/FI1997/000671 WO1998020198A1 (en) | 1996-11-06 | 1997-11-05 | Method of producing pulp using single-stage cooking with formic acid and washing with performic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9712891A true BR9712891A (pt) | 2000-03-21 |
Family
ID=8547017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9712891A BR9712891A (pt) | 1996-11-06 | 1997-11-05 | tágio único com ácido fórmico e lavagem com ácido perfórmico. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6156156A (pt) |
| EP (1) | EP0937172B1 (pt) |
| CN (1) | CN1110601C (pt) |
| AT (1) | ATE273413T1 (pt) |
| BR (1) | BR9712891A (pt) |
| CA (1) | CA2270524C (pt) |
| DE (1) | DE69730233T2 (pt) |
| ES (1) | ES2222505T3 (pt) |
| FI (1) | FI103899B1 (pt) |
| ID (1) | ID21642A (pt) |
| IN (1) | IN189584B (pt) |
| WO (1) | WO1998020198A1 (pt) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI116390B (fi) | 1998-05-05 | 2005-11-15 | Chempolis Oy | Menetelmä massan valmistamiseksi |
| FI109545B (fi) * | 1998-08-27 | 2002-08-30 | Metso Paper Inc | Menetelmä kuitumassan valmistamiseksi ruohovartisista kasveista |
| TR200202804T2 (tr) * | 1999-10-15 | 2003-03-21 | Cargill Incorporated | Bitki tohumlarından yapılan fiberler ve kullanımları |
| FI108234B (fi) * | 2000-02-28 | 2001-12-14 | Chempolis Oy | Menetelmä massan valmistamiseksi |
| FR2814180B1 (fr) * | 2000-09-18 | 2003-12-05 | Michel Delmas | Procede de blanchiment de pates a papier en milieu organique a hydratation controlee |
| JP2007108378A (ja) * | 2005-10-13 | 2007-04-26 | Sony Corp | 表示装置の駆動方法および表示装置 |
| US20080303033A1 (en) | 2007-06-05 | 2008-12-11 | Cree, Inc. | Formation of nitride-based optoelectronic and electronic device structures on lattice-matched substrates |
| US8809392B2 (en) | 2008-03-28 | 2014-08-19 | Ecolab Usa Inc. | Sulfoperoxycarboxylic acids, their preparation and methods of use as bleaching and antimicrobial agents |
| US8871807B2 (en) | 2008-03-28 | 2014-10-28 | Ecolab Usa Inc. | Detergents capable of cleaning, bleaching, sanitizing and/or disinfecting textiles including sulfoperoxycarboxylic acids |
| MX2010010236A (es) | 2008-03-28 | 2010-10-20 | Ecolab Inc | Acidos sulfoperoxicarboxilicos, su preparacion y metodos de uso como agentes blanqueadores y antimicrobianos. |
| US12203056B2 (en) | 2008-03-28 | 2025-01-21 | Ecolab Usa Inc. | Sulfoperoxycarboxylic acids, their preparation and methods of use as bleaching and antimicrobial agents |
| FI123052B (fi) | 2011-09-23 | 2012-10-15 | Chempolis Oy | Esikäsittelymenetelmä vesiliukoisten sokereiden tuottamiseksi lignoselluloosamateriaalista |
| US9321664B2 (en) | 2011-12-20 | 2016-04-26 | Ecolab Usa Inc. | Stable percarboxylic acid compositions and uses thereof |
| US9242879B2 (en) | 2012-03-30 | 2016-01-26 | Ecolab Usa Inc. | Use of peracetic acid/hydrogen peroxide and peroxide-reducing agents for treatment of drilling fluids, frac fluids, flowback water and disposal water |
| WO2013162881A1 (en) * | 2012-04-26 | 2013-10-31 | Archer Daniels Midland Company | Liquid/liquid separation of lignocellulosic biomass to produce sugar syrups and lignin fractions |
| US10165774B2 (en) | 2013-03-05 | 2019-01-01 | Ecolab Usa Inc. | Defoamer useful in a peracid composition with anionic surfactants |
| US20140256811A1 (en) | 2013-03-05 | 2014-09-11 | Ecolab Usa Inc. | Efficient stabilizer in controlling self accelerated decomposition temperature of peroxycarboxylic acid compositions with mineral acids |
| US8822719B1 (en) | 2013-03-05 | 2014-09-02 | Ecolab Usa Inc. | Peroxycarboxylic acid compositions suitable for inline optical or conductivity monitoring |
| FR3016359B1 (fr) | 2014-01-10 | 2022-04-29 | Arkema France | Compositions de peroxyde d'hydrogene pour la delignification de matiere vegetale et leurs utilisations |
| US9845290B2 (en) | 2014-12-18 | 2017-12-19 | Ecolab Usa Inc. | Methods for forming peroxyformic acid and uses thereof |
| US11040902B2 (en) | 2014-12-18 | 2021-06-22 | Ecolab Usa Inc. | Use of percarboxylic acids for scale prevention in treatment systems |
| CN117142998A (zh) | 2014-12-18 | 2023-12-01 | 艺康美国股份有限公司 | 通过多元醇甲酸酯生产过氧甲酸 |
| US10172351B2 (en) | 2015-09-04 | 2019-01-08 | Ecolab Usa Inc. | Performic acid on-site generator and formulator |
| CN115400146A (zh) | 2018-06-15 | 2022-11-29 | 埃科莱布美国股份有限公司 | 用于乳头治疗的现场产生的过甲酸组合物 |
| EP3841059A1 (en) | 2018-08-22 | 2021-06-30 | Ecolab USA Inc. | Hydrogen peroxide and peracid stabilization with molecules based on a pyridine carboxylic acid at c-3, -4 or -5 |
| US12096768B2 (en) | 2019-08-07 | 2024-09-24 | Ecolab Usa Inc. | Polymeric and solid-supported chelators for stabilization of peracid-containing compositions |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU821614A1 (ru) * | 1979-06-19 | 1981-04-15 | Белорусский Технологический Институт Им.C.M.Кирова | Способ получени целлюлозного полу-фАбРиКАТА |
| FI74750C (fi) * | 1985-03-22 | 1988-03-10 | Keskuslaboratorio | Foerfarande foer framstaellning av blekt cellulosamassa utav ligninhaltigt raomaterial. |
-
1996
- 1996-11-06 FI FI964466A patent/FI103899B1/fi not_active IP Right Cessation
-
1997
- 1997-11-05 WO PCT/FI1997/000671 patent/WO1998020198A1/en active IP Right Grant
- 1997-11-05 ID IDW990299A patent/ID21642A/id unknown
- 1997-11-05 EP EP97912235A patent/EP0937172B1/en not_active Expired - Lifetime
- 1997-11-05 ES ES97912235T patent/ES2222505T3/es not_active Expired - Lifetime
- 1997-11-05 IN IN645BO1997 patent/IN189584B/en unknown
- 1997-11-05 BR BR9712891A patent/BR9712891A/pt not_active IP Right Cessation
- 1997-11-05 CN CN97199963A patent/CN1110601C/zh not_active Expired - Fee Related
- 1997-11-05 DE DE69730233T patent/DE69730233T2/de not_active Expired - Lifetime
- 1997-11-05 CA CA002270524A patent/CA2270524C/en not_active Expired - Fee Related
- 1997-11-05 US US09/297,546 patent/US6156156A/en not_active Expired - Lifetime
- 1997-11-05 AT AT97912235T patent/ATE273413T1/de active
Also Published As
| Publication number | Publication date |
|---|---|
| DE69730233D1 (de) | 2004-09-16 |
| EP0937172B1 (en) | 2004-08-11 |
| EP0937172A1 (en) | 1999-08-25 |
| FI103899B (fi) | 1999-10-15 |
| FI964466A (fi) | 1998-05-07 |
| FI103899B1 (fi) | 1999-10-15 |
| US6156156A (en) | 2000-12-05 |
| CN1238816A (zh) | 1999-12-15 |
| ES2222505T3 (es) | 2005-02-01 |
| IN189584B (pt) | 2003-03-29 |
| WO1998020198A1 (en) | 1998-05-14 |
| CA2270524A1 (en) | 1998-05-14 |
| ID21642A (id) | 1999-07-08 |
| CN1110601C (zh) | 2003-06-04 |
| DE69730233T2 (de) | 2004-12-30 |
| ATE273413T1 (de) | 2004-08-15 |
| CA2270524C (en) | 2008-02-19 |
| FI964466A0 (fi) | 1996-11-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06A | Patent application procedure suspended [chapter 6.1 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: 20 (VINTE) ANOS CONTADOS A PARTIR DE 05/11/1997, 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 17A ANUIDADE. PAGAR RESTAURACAO. |
|
| 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 2289 DE 18-11-2014 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. |