ES2058043T1 - Descontaminacion de oxigeno en una recuperacion de fibras secundaria. - Google Patents
Descontaminacion de oxigeno en una recuperacion de fibras secundaria.Info
- Publication number
- ES2058043T1 ES2058043T1 ES92108513T ES92108513T ES2058043T1 ES 2058043 T1 ES2058043 T1 ES 2058043T1 ES 92108513 T ES92108513 T ES 92108513T ES 92108513 T ES92108513 T ES 92108513T ES 2058043 T1 ES2058043 T1 ES 2058043T1
- Authority
- ES
- Spain
- Prior art keywords
- oxygen
- decontamination
- secondary fiber
- fiber recovery
- stickies
- 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.)
- Granted
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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
-
- 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
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
-
- 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
-
- 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
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
- D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S162/00—Paper making and fiber liberation
- Y10S162/04—Pitch control
Abstract
SE DESCRIBE UN METODO PARA EL DESPEGADO DE ADHERENCIAS EN LA PRODUCCION DE PRODUCTOS DE PAPEL RECICLADO QUE CONTIENEN FIBRAS SECUNDARIAS. SE UTILIZA OXIGENO PARA REDUCIR EL PEGADO DE ADHERENCIAS EN PASTAS DE PAPEL SECUNDARIAS, Y OPCIONALMENTE SE UTILIZA CON AGENTES ALCALINOS Y/O DE DESPEGADO PARA UN OPTIMO CONTROL DE ADHERENCIAS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/703,549 US5213661A (en) | 1991-05-21 | 1991-05-21 | Oxygen alkali detackification in secondary fiber recovery |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2058043T1 true ES2058043T1 (es) | 1994-11-01 |
ES2058043T3 ES2058043T3 (es) | 1996-10-16 |
Family
ID=24825825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES92108513T Expired - Lifetime ES2058043T3 (es) | 1991-05-21 | 1992-05-20 | Desincrustacion con oxigeno en la recuperacion de fibras secundarias. |
Country Status (13)
Country | Link |
---|---|
US (2) | US5213661A (es) |
EP (1) | EP0514864B1 (es) |
JP (1) | JP2531898B2 (es) |
KR (1) | KR920021804A (es) |
CN (1) | CN1068162A (es) |
AT (1) | ATE137825T1 (es) |
BR (1) | BR9201847A (es) |
CA (1) | CA2068708C (es) |
DE (2) | DE514864T1 (es) |
ES (1) | ES2058043T3 (es) |
HK (1) | HK218396A (es) |
ID (1) | ID883B (es) |
ZA (1) | ZA923700B (es) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2082557C (en) * | 1992-02-24 | 1997-03-11 | Charles W. Hankins | Integrated pulping process of waste paper yielding tissue-grade paper fibers |
US5560805A (en) * | 1993-07-27 | 1996-10-01 | Hoechst Celanese Corporation | Enhanced decolorization of waste paper with selected amines |
US5527426A (en) * | 1994-01-21 | 1996-06-18 | Westvaco Corporation | Magnetic deinking of waste papers |
US5882476A (en) * | 1995-05-05 | 1999-03-16 | Solvay Minerals, Inc. | Deinking printed wastepaper using alkaline solution containing sodium sulfite and sodium carbonate |
US5985095A (en) * | 1997-06-06 | 1999-11-16 | Avery Dennison Corporation | Process for removing contaminants from paper pulp using a deinking composition comprising pressure-sensitive-adhesive |
US5936024A (en) * | 1997-06-06 | 1999-08-10 | Betzdearborn Inc. | Methods and compositions for treating stickies |
DE19742729A1 (de) * | 1997-09-26 | 1999-04-01 | Sca Hygiene Prod Gmbh | Verfahren zur Aufbereitung von Altpapier unter Vermeidung von Bioziden und Chlorverbindungen, sowie von Wasserstoffperoxid und Peressigsäure, Einrichtung zur Ausführung dieses Verfahrens sowie Recycling Tissuepapiere mit einer Gesamtkeimzahl kleiner 1000 KBE/g und einer Oberflächenkeimzahl kleiner 20 KBE/dm·2· |
DE69914072D1 (de) | 1998-02-24 | 2004-02-12 | Weyerhaeuser Co | Verfahren zur entfernung von wachs aus zellstoff |
GB0018314D0 (en) * | 2000-07-27 | 2000-09-13 | Ciba Spec Chem Water Treat Ltd | Processes of reducing contamination from cellulosic suspensions |
DE102006024405A1 (de) * | 2006-05-24 | 2007-11-29 | Siemens Ag | Verfahren zur Reduzierung klebender Verunreinigungen bei der Papierherstellung |
WO2011037819A1 (en) * | 2009-09-22 | 2011-03-31 | Sonoco Development, Inc. | Paperboard containing a biocide and method for making the same |
US20130180677A1 (en) * | 2012-01-12 | 2013-07-18 | Buckman Laboratories International, Inc. | Methods To Control Organic Contaminants In Fibers |
EP2839073A1 (en) * | 2012-04-16 | 2015-02-25 | Stora Enso Oyj | Method for automatically determining stickies in a recycled fibre process |
US10207933B2 (en) | 2013-01-17 | 2019-02-19 | Imerys Talc America, Inc. | Deaerated talc and related methods |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4363697A (en) * | 1979-12-03 | 1982-12-14 | The Black Clawson Company | Method for medium consistency oxygen delignification of pulp |
US4416727A (en) * | 1982-01-11 | 1983-11-22 | Air Products And Chemicals, Inc. | Process for recovering fiber from wet-strength resin coated paper |
SE439787B (sv) * | 1984-03-19 | 1985-07-01 | Berol Kemi Ab | Sett att reducera missfergning och/eller klibbighet vid upparbetning av avfallspapper |
US4886575A (en) * | 1985-10-08 | 1989-12-12 | Betz Laboratories, Inc. | Detackification of adhesive materials contained in secondary fiber with polyvinyl alcohol |
JP2679726B2 (ja) * | 1987-08-28 | 1997-11-19 | 協和化学工業 株式会社 | 原子炉冷却水用浄化剤及び浄化方法 |
JPH0242950A (ja) * | 1988-08-03 | 1990-02-13 | Fuoton:Kk | 字や模様入り茸 |
US5266166A (en) * | 1992-05-18 | 1993-11-30 | Betz Paperchem, Inc. | Methods for controlling the deposition of organic contaminants in pulp and papermaking processes using a polyalkylene oxide/vinyl acetate graft copolymer |
-
1991
- 1991-05-21 US US07/703,549 patent/US5213661A/en not_active Expired - Fee Related
-
1992
- 1992-05-14 JP JP14816592A patent/JP2531898B2/ja not_active Expired - Lifetime
- 1992-05-14 CA CA 2068708 patent/CA2068708C/en not_active Expired - Fee Related
- 1992-05-15 BR BR9201847A patent/BR9201847A/pt not_active Application Discontinuation
- 1992-05-20 ES ES92108513T patent/ES2058043T3/es not_active Expired - Lifetime
- 1992-05-20 DE DE1992108513 patent/DE514864T1/de active Pending
- 1992-05-20 KR KR1019920008696A patent/KR920021804A/ko not_active Application Discontinuation
- 1992-05-20 AT AT92108513T patent/ATE137825T1/de not_active IP Right Cessation
- 1992-05-20 ID ID923038A patent/ID883B/id unknown
- 1992-05-20 EP EP19920108513 patent/EP0514864B1/en not_active Expired - Lifetime
- 1992-05-20 DE DE1992610469 patent/DE69210469T2/de not_active Expired - Fee Related
- 1992-05-21 ZA ZA923700A patent/ZA923700B/xx unknown
- 1992-05-21 CN CN92103937A patent/CN1068162A/zh active Pending
-
1993
- 1993-03-03 US US08/025,491 patent/US5338401A/en not_active Expired - Fee Related
-
1996
- 1996-12-19 HK HK218396A patent/HK218396A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69210469T2 (de) | 1996-09-05 |
HK218396A (en) | 1996-12-27 |
EP0514864A1 (en) | 1992-11-25 |
ID883B (id) | 1996-08-30 |
KR920021804A (ko) | 1992-12-18 |
US5213661A (en) | 1993-05-25 |
CN1068162A (zh) | 1993-01-20 |
EP0514864B1 (en) | 1996-05-08 |
ZA923700B (en) | 1993-11-22 |
DE514864T1 (de) | 1994-11-03 |
JPH05171583A (ja) | 1993-07-09 |
DE69210469D1 (de) | 1996-06-13 |
BR9201847A (pt) | 1993-01-05 |
CA2068708A1 (en) | 1992-11-22 |
CA2068708C (en) | 1997-01-14 |
ATE137825T1 (de) | 1996-05-15 |
US5338401A (en) | 1994-08-16 |
JP2531898B2 (ja) | 1996-09-04 |
ES2058043T3 (es) | 1996-10-16 |
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Legal Events
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FG2A | Definitive protection |
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