ES2157932T3 - Procedimiento para preparar una solucion de peracidos mixtos y metodos para tratar oxidativamente un sustrato. - Google Patents
Procedimiento para preparar una solucion de peracidos mixtos y metodos para tratar oxidativamente un sustrato.Info
- Publication number
- ES2157932T3 ES2157932T3 ES93923721T ES93923721T ES2157932T3 ES 2157932 T3 ES2157932 T3 ES 2157932T3 ES 93923721 T ES93923721 T ES 93923721T ES 93923721 T ES93923721 T ES 93923721T ES 2157932 T3 ES2157932 T3 ES 2157932T3
- Authority
- ES
- Spain
- Prior art keywords
- solution
- substrate
- prepare
- procedure
- methods
- Prior art date
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/055—Peroxyhydrates; Peroxyacids or salts thereof
- C01B15/06—Peroxyhydrates; Peroxyacids or salts thereof containing sulfur
-
- 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
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
UN PROCESO PARA TRATAR UN SUSTRATO, P. EJ., PULPA LIGNOCELULOSICA O PULPAS CELULOSICAS CON UNA DISOLUCION MEZCLADA DE PERACIDO QUE COMPRENDE ACIDO PERCARBOXILICO Y ACIDO DE CARO QUE PRODUCE UNA MAYOR RELACION DE CONVERSION DEL OXIGENO ACTIVO EN EL PEROXIDO E HIDROGENO PARA PROPORCIONAR UNA DESLIGNIFICACION BARATA Y EFECTIVA Y/O DISOLUCION BLANQUEANTE Y EL PROCESO PARA PRODUCIR LA DISOLUCION MEZCLADA DE PERACIDO.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US94812292A | 1992-09-21 | 1992-09-21 | |
US08/123,532 US5589032A (en) | 1992-09-21 | 1993-09-17 | Process for preparing a bleaching liquor containing percarboxylic acid and caro's acid |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2157932T3 true ES2157932T3 (es) | 2001-09-01 |
Family
ID=26821653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES93923721T Expired - Lifetime ES2157932T3 (es) | 1992-09-21 | 1993-09-20 | Procedimiento para preparar una solucion de peracidos mixtos y metodos para tratar oxidativamente un sustrato. |
Country Status (13)
Country | Link |
---|---|
US (2) | US5589032A (es) |
EP (1) | EP0660895B1 (es) |
AT (1) | ATE201245T1 (es) |
AU (1) | AU672654B2 (es) |
BR (1) | BR9307066A (es) |
CA (1) | CA2141807A1 (es) |
DE (1) | DE69330229T2 (es) |
DK (1) | DK0660895T3 (es) |
ES (1) | ES2157932T3 (es) |
FI (1) | FI951334A0 (es) |
NZ (1) | NZ257205A (es) |
PT (1) | PT660895E (es) |
WO (1) | WO1994006964A1 (es) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5656130A (en) * | 1995-04-28 | 1997-08-12 | Union Camp Holding, Inc. | Ambient temperature pulp bleaching with peroxyacid salts |
SE9704298L (sv) * | 1997-11-24 | 1999-05-25 | Kvaerner Pulping Tech | Förfarande vid blekning av cellulosa i ett slutet system under användning av Caro´s syra |
FI107545B (fi) * | 1999-06-15 | 2001-08-31 | Kemira Chemicals Oy | Menetelmä mekaanisten massojen käsittelemiseksi |
GB2391011A (en) * | 2002-07-19 | 2004-01-28 | Crosmill Ltd | Bleaching cellulose suspensions |
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 |
US20080087390A1 (en) * | 2006-10-11 | 2008-04-17 | Fort James Corporation | Multi-step pulp bleaching |
US8080129B2 (en) * | 2009-11-17 | 2011-12-20 | Naila Yaqoob | Environmentally benign TCF bleaching sequences for AS/AQ wheat straw pulp |
US8845860B2 (en) | 2010-09-16 | 2014-09-30 | Georgia-Pacific Consumer Products Lp | High brightness pulps from lignin rich waste papers |
TW201544652A (zh) * | 2014-05-20 | 2015-12-01 | Georgia Pacific Consumer Prod | 非木材纖維之漂白及植物性雜質減量方法 |
EP3202978A1 (en) * | 2016-02-04 | 2017-08-09 | Kaya, Muhammet | Method for producing nanocrystalline cellulose from linter |
CN109338774A (zh) * | 2018-09-18 | 2019-02-15 | 巴州泰昌浆粕有限公司 | 混合纤维素浆粕及其制备方法 |
CA3074194A1 (en) * | 2020-02-28 | 2021-08-28 | Fluid Energy Group Ltd. | Modified sulfuric acid and uses thereof |
CA3110389A1 (en) * | 2021-02-25 | 2022-08-25 | Sixring Inc. | Modified sulfuric acid and uses thereof |
WO2023132814A1 (en) * | 2022-01-04 | 2023-07-13 | Releaf Paper France Sas | Method of obtaining chemical-thermomechanical fibrous mass from plant raw materials and systems for its realization |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2519299C2 (de) * | 1975-04-30 | 1983-08-11 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Perpropionsäurelösungen |
SU761647A1 (ru) * | 1978-01-30 | 1980-09-07 | Bruss Ti Kirova | Способ получения целлюлозного полуфабриката 1 |
DE2929839C2 (de) * | 1979-07-23 | 1983-01-27 | Degussa Ag, 6000 Frankfurt | Verfahren zur Herstellung von Peroxyphthalsäuren |
DE3005947B1 (de) * | 1980-02-16 | 1981-01-29 | Degussa | Verfahren zur Bleiche von Zellstoffen mittels organischer Persaeure |
US4334897A (en) * | 1981-02-24 | 1982-06-15 | Andersen 2000, Inc. | Gas scrubbing apparatus |
US4440237A (en) * | 1982-06-11 | 1984-04-03 | Ingersoll-Rand Co. | Pavement breaker |
US4793898A (en) * | 1985-02-22 | 1988-12-27 | Oy Keskuslaboratorio - Centrallaboratorium Ab | Process for bleaching organic peroxyacid cooked material with an alkaline solution of hydrogen peroxide |
GB8911957D0 (en) * | 1989-05-24 | 1989-07-12 | Interox Chemicals Ltd | Peroxyacid manufacture |
US5246543A (en) * | 1989-08-18 | 1993-09-21 | Degussa Corporation | Process for bleaching and delignification of lignocellulosic materials |
US5091054A (en) * | 1989-08-18 | 1992-02-25 | Degussa Corporation | Process for bleaching and delignification of lignocellulosic |
SU1755802A1 (ru) * | 1990-02-21 | 1992-08-23 | Тартуский государственный университет | Способ получени дезинфицирующего препарата |
-
1993
- 1993-09-17 US US08/123,532 patent/US5589032A/en not_active Expired - Lifetime
- 1993-09-20 DE DE69330229T patent/DE69330229T2/de not_active Expired - Fee Related
- 1993-09-20 AT AT93923721T patent/ATE201245T1/de not_active IP Right Cessation
- 1993-09-20 DK DK93923721T patent/DK0660895T3/da active
- 1993-09-20 EP EP93923721A patent/EP0660895B1/en not_active Expired - Lifetime
- 1993-09-20 BR BR9307066-7A patent/BR9307066A/pt not_active Application Discontinuation
- 1993-09-20 PT PT93923721T patent/PT660895E/pt unknown
- 1993-09-20 ES ES93923721T patent/ES2157932T3/es not_active Expired - Lifetime
- 1993-09-20 CA CA002141807A patent/CA2141807A1/en not_active Abandoned
- 1993-09-20 WO PCT/US1993/008917 patent/WO1994006964A1/en active IP Right Grant
- 1993-09-20 AU AU53478/94A patent/AU672654B2/en not_active Ceased
- 1993-09-20 NZ NZ257205A patent/NZ257205A/en unknown
-
1995
- 1995-03-21 FI FI951334A patent/FI951334A0/fi unknown
-
1996
- 1996-08-30 US US08/705,997 patent/US5693185A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5693185A (en) | 1997-12-02 |
FI951334A (fi) | 1995-03-21 |
ATE201245T1 (de) | 2001-06-15 |
EP0660895B1 (en) | 2001-05-16 |
US5589032A (en) | 1996-12-31 |
AU672654B2 (en) | 1996-10-10 |
NZ257205A (en) | 1996-10-28 |
DK0660895T3 (da) | 2001-07-30 |
CA2141807A1 (en) | 1994-03-31 |
PT660895E (pt) | 2001-08-30 |
EP0660895A4 (en) | 1997-02-26 |
AU5347894A (en) | 1994-04-12 |
DE69330229T2 (de) | 2001-10-25 |
BR9307066A (pt) | 1999-10-13 |
DE69330229D1 (de) | 2001-06-21 |
WO1994006964A1 (en) | 1994-03-31 |
EP0660895A1 (en) | 1995-07-05 |
FI951334A0 (fi) | 1995-03-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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