DK0644965T3 - Blegning af genbrugspulp med ozon og hydrogenperoxid - Google Patents

Blegning af genbrugspulp med ozon og hydrogenperoxid

Info

Publication number
DK0644965T3
DK0644965T3 DK94913541T DK94913541T DK0644965T3 DK 0644965 T3 DK0644965 T3 DK 0644965T3 DK 94913541 T DK94913541 T DK 94913541T DK 94913541 T DK94913541 T DK 94913541T DK 0644965 T3 DK0644965 T3 DK 0644965T3
Authority
DK
Denmark
Prior art keywords
bleaching
ozone
hydrogen peroxide
recycled pulp
pulp
Prior art date
Application number
DK94913541T
Other languages
English (en)
Inventor
Jack Kogan
Michel Muguet
Original Assignee
Air Liquide
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Air Liquide filed Critical Air Liquide
Application granted granted Critical
Publication of DK0644965T3 publication Critical patent/DK0644965T3/da

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
    • 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
    • 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
    • D21C9/10—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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
DK94913541T 1993-04-06 1994-04-05 Blegning af genbrugspulp med ozon og hydrogenperoxid DK0644965T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4436993A 1993-04-06 1993-04-06

Publications (1)

Publication Number Publication Date
DK0644965T3 true DK0644965T3 (da) 1998-04-14

Family

ID=21932007

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94913541T DK0644965T3 (da) 1993-04-06 1994-04-05 Blegning af genbrugspulp med ozon og hydrogenperoxid

Country Status (10)

Country Link
US (1) US5755925A (da)
EP (1) EP0644965B1 (da)
BR (1) BR9404892A (da)
CA (1) CA2137450C (da)
DE (1) DE69408065T2 (da)
DK (1) DK0644965T3 (da)
ES (1) ES2111298T3 (da)
FI (1) FI945721A (da)
NO (1) NO944696L (da)
WO (1) WO1994023117A2 (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2801327B1 (fr) * 1999-11-18 2002-07-12 Papeteries Matussiere Forest Procede de desencrage, de decoloration, de desinfection et de blanchiment de papiers de recuperation
US20030131958A1 (en) * 2001-11-30 2003-07-17 Thomas Jaschinski Use of ozone for increasing the wet strength of paper and nonwoven
GB2382592A (en) * 2001-11-30 2003-06-04 Sca Hygiene Prod Gmbh Use of ozone to enhance the wet strength of fibrous cellulosic material
US6875414B2 (en) 2002-01-14 2005-04-05 American Air Liquide, Inc. Polysulfide measurement methods using colormetric techniques
SE526241C2 (sv) * 2003-12-18 2005-08-02 Metso Paper Inc Förfarande för att surgöra lignocellulosahaltig massa före ozonblekning
US7297225B2 (en) * 2004-06-22 2007-11-20 Georgia-Pacific Consumer Products Lp Process for high temperature peroxide bleaching of pulp with cool discharge
US20100224336A1 (en) * 2005-12-14 2010-09-09 University Of Maine System Board Of Trustees Process of bleaching a wood pulp
FR2910027B1 (fr) * 2006-12-13 2009-11-06 Itt Mfg Enterprises Inc Procede de blanchiment des pates papeteries chimiques par traitement final a l'ozone a haute temperature
CA2876082C (en) 2012-06-13 2021-06-01 University Of Maine System Board Of Trustees Energy efficient process for preparing nanocellulose fibers
US11078624B2 (en) 2018-09-21 2021-08-03 King Abdulaziz University Method for isolating alpha cellulose from lignocellulosic materials

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA902861A (en) * 1969-11-27 1972-06-20 Pulp And Paper Research Institute Of Canada Bleaching of cellulosic pulp
NO144711C (no) * 1978-04-04 1981-10-21 Myrens Verksted As Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon
DE3544398A1 (de) * 1985-12-16 1987-06-19 Sueddeutsche Kalkstickstoff Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten
DE3923728A1 (de) * 1989-07-18 1991-01-24 Degussa Verfahren zur stabilisierung der viskositaet von zellstoffen
US5211809A (en) * 1991-05-21 1993-05-18 Air Products And Chemicals, Inc,. Dye removal in oxygen color stripping of secondary fibers
US5464501A (en) * 1993-04-06 1995-11-07 Societe Anonyme Pour L'etude Et L'exploitation L'air Liquide, Des Procedes Georges Claude Bleaching recycled pulp with a reductive-oxidative sequence

Also Published As

Publication number Publication date
NO304702B1 (da) 1999-02-01
FI945721A (fi) 1995-01-26
BR9404892A (pt) 1999-06-15
NO944696D0 (no) 1994-12-06
NO944696L (no) 1995-02-03
WO1994023117A2 (en) 1994-10-13
FI945721A0 (fi) 1994-12-05
CA2137450A1 (en) 1994-10-13
WO1994023117A3 (en) 1994-11-24
DE69408065T2 (de) 1998-06-10
EP0644965B1 (en) 1998-01-21
ES2111298T3 (es) 1998-03-01
EP0644965A1 (en) 1995-03-29
US5755925A (en) 1998-05-26
DE69408065D1 (de) 1998-02-26
CA2137450C (en) 2001-07-24

Similar Documents

Publication Publication Date Title
DE69508051T2 (de) Rückgewinnung von Olefin und Sauerstoff in einer Wasserstoffperoxid-Epoxidation
DK0644965T3 (da) Blegning af genbrugspulp med ozon og hydrogenperoxid
FI940412A (fi) Selluloosamassojen happi/otsoni/peretikkahappodelignifiointi ja -valkaisu
DK0426949T3 (da) Stabilisering af koncentrerede hydrogenperoxidopløsninger
NO944697D0 (no) Bleking av resirkulert papirmasse med reduktiv/oksidativ sekvens
FI894028A (fi) Sellumassan valkaisu otsoni/kloori-seoksilla
DK0460164T3 (da) Stabilisering af hydrogenperoxidopløsninger
FI99154B (fi) Menetelmä suursaantoisten paperimassojen vetyperoksidivalkaisuun
NO177606C (no) Fremgangsmåte for hydrogenperoksydbleking av papirmasse
DE59306905D1 (de) Bleichregulator-Zusammensetzungen und Bleichverfahren damit
BR9407214A (pt) Processo de integrar alvejamento e recuperação de polpa química
SG55425A1 (en) On-site manufacture of ultra-high-purity hydrogen peroxide
FI960973A (fi) Otsonilla valkaistun suursakeusmassan keskisakeusvaalentaminen otsonilla
FI945202A0 (fi) Kemiallisen massan valkaisu
NO934406L (no) Fremgangsmaate for bleking og delignifisering av kjemisk papirmasse
FI90680C (fi) Paperirainan valkaisu peroksidilla
DE59507709D1 (de) Herstellung von salzfreiem und wasserarmem methylethylketonperoxid
FI961279A (fi) Kemiallisen massan kloorivapaa valkaisu käsittäen kaksivaiheisen käsittelyn kelaatinmuodostajalla
ID23571A (id) Metoda penerapan ozon dalam pemutihan ecf
NO971536D0 (no) Behandling av kjemisk masse med et chelateringsmiddel og et oksydasjonsmiddel i forbindelse med bleking
SE9303037D0 (sv) Blekning av pappersmassa
FI960297A (fi) Menetelmä paperimassan otsonivalkaisuun
ATA220392A (de) Ozon-zellstoffbleichen
ZA952751B (en) Pre-treatment of sulfite pulp before bleaching with oxygen containing chemicals
SE9303971L (sv) Blekning av massa