FI945287L - Förfarande för blekning av massa med användning av klorhaltiga kemikalier - Google Patents
Förfarande för blekning av massa med användning av klorhaltiga kemikalier Download PDFInfo
- Publication number
- FI945287L FI945287L FI945287A FI945287A FI945287L FI 945287 L FI945287 L FI 945287L FI 945287 A FI945287 A FI 945287A FI 945287 A FI945287 A FI 945287A FI 945287 L FI945287 L FI 945287L
- Authority
- FI
- Finland
- Prior art keywords
- chlorine
- containing chemicals
- bleaching pulp
- bleaching
- pulp
- Prior art date
Links
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title 1
- 238000004061 bleaching Methods 0.000 title 1
- 229910052801 chlorine Inorganic materials 0.000 title 1
- 239000000460 chlorine Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000000126 substance Substances 0.000 title 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
- D21C9/1026—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
- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9201477A SE469387B (sv) | 1992-05-11 | 1992-05-11 | Saett vid blekning av massa utan anvaendning av klorkemikalier |
| PCT/SE1993/000312 WO1993023607A1 (en) | 1992-05-11 | 1993-04-08 | A process for bleaching pulp without using chlorine-containing chemicals |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI945287A0 FI945287A0 (sv) | 1994-11-10 |
| FI945287L true FI945287L (sv) | 1994-11-10 |
| FI117204B FI117204B (sv) | 2006-07-31 |
Family
ID=20386207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI945287A FI117204B (sv) | 1992-05-11 | 1994-11-10 | Förfarande för blekning av massa med användning av klorhaltiga kemikalier |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5415734A (sv) |
| EP (1) | EP0705360A1 (sv) |
| JP (1) | JPH07506637A (sv) |
| AU (1) | AU664453B2 (sv) |
| BR (1) | BR9306334A (sv) |
| CA (1) | CA2118316A1 (sv) |
| FI (1) | FI117204B (sv) |
| NO (1) | NO944291D0 (sv) |
| NZ (1) | NZ252341A (sv) |
| RU (1) | RU94046173A (sv) |
| SE (1) | SE469387B (sv) |
| WO (1) | WO1993023607A1 (sv) |
Families Citing this family (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9200183L (sv) * | 1992-01-23 | 1993-07-24 | Kamyr Ab | Avskiljningsanordning samt foerfarande |
| DE69316988T2 (de) * | 1992-10-23 | 1998-07-30 | Mac Millan Bloedel Ltd | Verbessertes ozonbleichen |
| JPH06242478A (ja) * | 1993-02-18 | 1994-09-02 | Fuji Photo Film Co Ltd | 強誘電体のドメイン反転構造形成方法 |
| US5639347A (en) * | 1993-03-24 | 1997-06-17 | Ahlstrom Machinery Inc. | Method of controlling of metals in a bleach plant, using oxidation |
| US5509999A (en) | 1993-03-24 | 1996-04-23 | Kamyr, Inc. | Treatment of bleach plant effluents |
| SE501253C2 (sv) * | 1993-06-08 | 1994-12-19 | Kvaerner Pulping Tech | Klorfri blekning av kemisk pappersmassa |
| SE500616C2 (sv) * | 1993-06-08 | 1994-07-25 | Kvaerner Pulping Tech | Blekning av kemisk massa med peroxid vid övertryck |
| SE501613C2 (sv) * | 1993-08-03 | 1995-03-27 | Kvaerner Pulping Tech | Sätt vid integrering av blekning och återvinning vid framställning av massa |
| US6605181B1 (en) | 1993-10-01 | 2003-08-12 | Kvaerner Pulping Aktiebolag | Peroxide bleach sequence including an acidic bleach stage and including a wash stage |
| SE501985C2 (sv) * | 1993-11-05 | 1995-07-03 | Sunds Defibrator Ind Ab | Förfarande för avskiljning av metalljoner från massa i samband med blekning av massan |
| BE1007757A3 (fr) * | 1993-11-10 | 1995-10-17 | Solvay Interox | Procede pour le blanchiment d'une pate a papier chimique. |
| SE502172C2 (sv) * | 1993-12-15 | 1995-09-04 | Mo Och Domsjoe Ab | Förfarande för framställning av blekt cellulosamassa med en klorfri bleksekvens i närvaro av karbonat |
| US6074527A (en) | 1994-06-29 | 2000-06-13 | Kimberly-Clark Worldwide, Inc. | Production of soft paper products from coarse cellulosic fibers |
| US5582681A (en) | 1994-06-29 | 1996-12-10 | Kimberly-Clark Corporation | Production of soft paper products from old newspaper |
| US6001218A (en) | 1994-06-29 | 1999-12-14 | Kimberly-Clark Worldwide, Inc. | Production of soft paper products from old newspaper |
| SE504803C2 (sv) * | 1995-08-24 | 1997-04-28 | Sunds Defibrator Ind Ab | Behandling av massa med komplexbildare i minst två blandningssteg utan mellanliggande tvätt |
| US5728264A (en) * | 1995-10-25 | 1998-03-17 | Union Camp Patent Holding, Inc. | Avoidance of salt scaling by acidic pulp washing process |
| US6296736B1 (en) | 1997-10-30 | 2001-10-02 | Kimberly-Clark Worldwide, Inc. | Process for modifying pulp from recycled newspapers |
| SE508239C2 (sv) * | 1997-01-03 | 1998-09-21 | Sunds Defibrator Ind Ab | Behandling av massa med komplexbildare i minst ett blandningssteg, utan användning av blektorn |
| US6174409B1 (en) | 1997-09-19 | 2001-01-16 | American Air Liquide Inc. | Method to improve final bleached pulp strength properties by adjusting the CI02:03 ration within a single (D/Z) stage of the bleaching process |
| US6387210B1 (en) | 1998-09-30 | 2002-05-14 | Kimberly-Clark Worldwide, Inc. | Method of making sanitary paper product from coarse fibers |
| WO2001068547A1 (en) | 2000-03-14 | 2001-09-20 | James Hardie Research Pty Limited | Fiber cement building materials with low density additives |
| BR0114443A (pt) | 2000-10-04 | 2003-07-01 | James Hardie Res Pty Ltd | Materiais compostos de fibrocimento usando fibras celulósicas encoladas |
| KR100829265B1 (ko) | 2000-10-04 | 2008-05-13 | 제임스 하디 인터내셔널 파이낸스 비.브이. | 무기 및(또는) 유기 물질이 로딩된 셀룰로즈 섬유를 이용한 섬유 시멘트 복합 자재 |
| US20050126430A1 (en) * | 2000-10-17 | 2005-06-16 | Lightner James E.Jr. | Building materials with bioresistant properties |
| KR100865807B1 (ko) * | 2000-10-17 | 2008-10-28 | 제임스 하디 인터내셔널 파이낸스 비.브이. | 섬유 강화 시멘트 복합 재료의 제조를 위해 셀룰로스섬유의 불순물을 감소시키는 방법 및 장치 |
| CZ20031212A3 (en) * | 2000-10-17 | 2004-03-17 | James Hardie Research Pty Limited | Fiber cement composite material using biocide treated durable cellulose fibers |
| CN1247487C (zh) * | 2001-03-09 | 2006-03-29 | 詹姆斯哈迪国际财金公司 | 经化学处理而有改善的分散性的纤维形成的纤维强化水泥复合材料 |
| US7018509B2 (en) * | 2002-08-31 | 2006-03-28 | International Paper Co. | Elimination of alum yellowing of aspen thermomechanical pulp through pulp washing |
| MXPA05003691A (es) | 2002-10-07 | 2005-11-17 | James Hardie Int Finance Bv | Material mixto de fibrocemento de densidad media durable. |
| RU2005124843A (ru) | 2003-01-09 | 2006-01-20 | Джеймс Харди Интернейшенел Файненс Б.В. (Nl) | Волоконно-цементные композитные материалы с отбеленными целлюлозными волокнами |
| FI121792B (sv) | 2003-06-30 | 2011-04-15 | Andritz Oy | Förfarande för behandling av massa i samband med blekning av kemisk massa |
| US20050152621A1 (en) * | 2004-01-09 | 2005-07-14 | Healy Paul T. | Computer mounted file folder apparatus |
| US7220001B2 (en) * | 2004-02-24 | 2007-05-22 | Searete, Llc | Defect correction based on “virtual” lenslets |
| US7998571B2 (en) | 2004-07-09 | 2011-08-16 | James Hardie Technology Limited | Composite cement article incorporating a powder coating and methods of making same |
| NZ571874A (en) | 2006-04-12 | 2010-11-26 | Hardie James Technology Ltd | A surface sealed reinforced building element |
| US7854847B2 (en) * | 2006-11-09 | 2010-12-21 | Rayonier Trs Holdings Inc. | Process of purifying wood pulp with caustic-borate solution and recovering the purifying chemical |
| SE0602476L (sv) * | 2006-11-22 | 2007-08-21 | Metso Fiber Karlstad Ab | Metod för att återvinna värmeenergi från svartlut |
| US20080202714A1 (en) * | 2007-02-26 | 2008-08-28 | Andritz Inc. | Methods and systems for the use of recycled filtrate in bleaching pulp |
| US8209927B2 (en) | 2007-12-20 | 2012-07-03 | James Hardie Technology Limited | Structural fiber cement building materials |
| US8951388B2 (en) | 2011-04-08 | 2015-02-10 | Pec-Tech Engineering And Construction Pte Ltd | Method and system for efficient production of dissolving pulp in a kraft mill producing paper grade pulp with a continuous type digester |
| RU2634586C1 (ru) * | 2016-08-01 | 2017-10-31 | федеральное государственное бюджетное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" | Способ отбелки лиственной сульфатной целлюлозы |
| SE540646C2 (sv) * | 2016-09-08 | 2018-10-09 | Suncarbon Ab | Method and system for treating spent pulping liquor |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE225814C1 (sv) * | 1965-03-25 | 1969-03-25 | ||
| SE330323B (sv) * | 1968-01-19 | 1970-11-09 | Kamyr Ab | |
| SE379069B (sv) * | 1973-08-27 | 1975-09-22 | Kamyr Ab | |
| US4372812A (en) * | 1978-04-07 | 1983-02-08 | International Paper Company | Chlorine free process for bleaching lignocellulosic pulp |
| US4780053A (en) * | 1978-04-10 | 1988-10-25 | Johan Gullichsen | Method and apparatus for pumping fiber suspensions |
| US4547264A (en) * | 1979-02-12 | 1985-10-15 | Kamyr, Inc. | Method of withdrawing liquid from a pair of vertically spaced annular screens |
| US4436586A (en) * | 1982-01-22 | 1984-03-13 | Kamyr, Inc. | Method of producing kraft pulp using an acid prehydrolysis and pre-extraction |
| US4668340A (en) * | 1984-03-20 | 1987-05-26 | Kamyr, Inc. | Method of countercurrent acid hydrolysis of comminuted cellulosic fibrous material |
| US4793161A (en) * | 1987-11-27 | 1988-12-27 | Kamyr Ab | Effective diffuser/thickener screen backflushing |
| SE468053B (sv) * | 1988-12-20 | 1992-10-26 | Kamyr Ab | Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial |
| US4971694A (en) * | 1989-01-05 | 1990-11-20 | Kamyr Ab | Double diffuser with backflush pistons |
| DE69004492T3 (de) * | 1989-06-06 | 2001-11-15 | Eka Nobel Ab, Bohus | Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen. |
| US5053108A (en) * | 1989-06-28 | 1991-10-01 | Kamyr Ab | High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips |
| US4976586A (en) * | 1989-07-18 | 1990-12-11 | Kamyr Ab | Pump with separate fluidizing vaned shaft adjacent impeller |
| US5069752A (en) * | 1990-04-30 | 1991-12-03 | Kamyr Ab | Digester screen switching |
| AU638017B2 (en) * | 1990-05-17 | 1993-06-17 | Union Camp Corporation | Environmentally improved process for bleaching lignocellulosic materials |
| US5131980A (en) * | 1990-08-09 | 1992-07-21 | Kamyr, Inc. | Hydrocyclone removal of sticky contaminants during paper recycling |
| SE468355B (sv) * | 1991-04-30 | 1992-12-21 | Eka Nobel Ab | Blekning av kemisk massa genom behandling med komplexbildare och ozon |
-
1992
- 1992-05-11 SE SE9201477A patent/SE469387B/sv unknown
-
1993
- 1993-04-08 CA CA002118316A patent/CA2118316A1/en not_active Abandoned
- 1993-04-08 BR BR9306334A patent/BR9306334A/pt not_active Application Discontinuation
- 1993-04-08 JP JP5520106A patent/JPH07506637A/ja active Pending
- 1993-04-08 WO PCT/SE1993/000312 patent/WO1993023607A1/en not_active Ceased
- 1993-04-08 NZ NZ252341A patent/NZ252341A/en unknown
- 1993-04-08 EP EP93910496A patent/EP0705360A1/en not_active Withdrawn
- 1993-04-08 AU AU40967/93A patent/AU664453B2/en not_active Ceased
- 1993-04-08 RU RU94046173/12A patent/RU94046173A/ru unknown
- 1993-05-11 US US08/059,404 patent/US5415734A/en not_active Expired - Fee Related
-
1994
- 1994-11-10 FI FI945287A patent/FI117204B/sv not_active IP Right Cessation
- 1994-11-10 NO NO944291A patent/NO944291D0/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI117204B (sv) | 2006-07-31 |
| NO944291L (no) | 1994-11-10 |
| NO944291D0 (no) | 1994-11-10 |
| SE9201477L (sv) | 1993-06-28 |
| FI945287A0 (sv) | 1994-11-10 |
| SE469387B (sv) | 1993-06-28 |
| JPH07506637A (ja) | 1995-07-20 |
| WO1993023607A1 (en) | 1993-11-25 |
| SE9201477D0 (sv) | 1992-05-11 |
| RU94046173A (ru) | 1996-09-20 |
| NZ252341A (en) | 1996-05-28 |
| US5415734A (en) | 1995-05-16 |
| AU4096793A (en) | 1993-12-13 |
| BR9306334A (pt) | 1998-06-30 |
| CA2118316A1 (en) | 1993-11-25 |
| AU664453B2 (en) | 1995-11-16 |
| EP0705360A1 (en) | 1996-04-10 |
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Legal Events
| Date | Code | Title | Description |
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| FG | Patent granted |
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| MA | Patent expired |