NO932200D0 - Fremgangsmaate for bleking av papirmasse - Google Patents

Fremgangsmaate for bleking av papirmasse

Info

Publication number
NO932200D0
NO932200D0 NO932200A NO932200A NO932200D0 NO 932200 D0 NO932200 D0 NO 932200D0 NO 932200 A NO932200 A NO 932200A NO 932200 A NO932200 A NO 932200A NO 932200 D0 NO932200 D0 NO 932200D0
Authority
NO
Norway
Prior art keywords
whiting
wheat
paper
procedure
borohydride
Prior art date
Application number
NO932200A
Other languages
English (en)
Other versions
NO301343B1 (no
NO932200L (no
Inventor
Patrick Meyers
David L-K Wang
Original Assignee
Morton Int Inc
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 Morton Int Inc filed Critical Morton Int Inc
Publication of NO932200D0 publication Critical patent/NO932200D0/no
Publication of NO932200L publication Critical patent/NO932200L/no
Publication of NO301343B1 publication Critical patent/NO301343B1/no

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
    • D21C9/1057—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
    • 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
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
NO19932200A 1992-06-18 1993-06-15 Fremgangsmåte for bleking av papirmasse i flere trinn NO301343B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9212926A GB9212926D0 (en) 1992-06-18 1992-06-18 Method of bleaching paper pulp

Publications (3)

Publication Number Publication Date
NO932200D0 true NO932200D0 (no) 1993-06-15
NO932200L NO932200L (no) 1993-12-20
NO301343B1 NO301343B1 (no) 1997-10-13

Family

ID=10717309

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19932200A NO301343B1 (no) 1992-06-18 1993-06-15 Fremgangsmåte for bleking av papirmasse i flere trinn

Country Status (10)

Country Link
US (1) US5562803A (no)
EP (1) EP0587270B1 (no)
JP (1) JP2948717B2 (no)
AT (1) ATE160189T1 (no)
CA (1) CA2098661C (no)
DE (1) DE69315146T2 (no)
FI (1) FI932848A (no)
GB (1) GB9212926D0 (no)
NO (1) NO301343B1 (no)
ZA (1) ZA933906B (no)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5582681A (en) 1994-06-29 1996-12-10 Kimberly-Clark Corporation Production of soft paper products from old newspaper
US6074527A (en) 1994-06-29 2000-06-13 Kimberly-Clark Worldwide, Inc. Production of soft paper products from coarse cellulosic fibers
US6001218A (en) 1994-06-29 1999-12-14 Kimberly-Clark Worldwide, Inc. Production of soft paper products from old newspaper
US6296736B1 (en) 1997-10-30 2001-10-02 Kimberly-Clark Worldwide, Inc. Process for modifying pulp from recycled newspapers
US6224548B1 (en) * 1998-05-26 2001-05-01 Ineedmd.Com, Inc. Tele-diagnostic device
US6387210B1 (en) 1998-09-30 2002-05-14 Kimberly-Clark Worldwide, Inc. Method of making sanitary paper product from coarse fibers
US7306698B2 (en) * 2001-03-20 2007-12-11 Biopulping International Method for producing pulp
US7074299B2 (en) * 2002-05-01 2006-07-11 Fort James Corporation Process for using a phloroglucinol color delta to control blending, deinking and bleaching of groundwood-containing secondary pulp
US20040000383A1 (en) * 2002-05-01 2004-01-01 Henry Chou Process for facilitating the use of high lignin containing waste paper in the manufacture of paper products
US20040211533A1 (en) * 2003-04-28 2004-10-28 Qiang Huang Method for bleaching and color stripping recycled fibers
CA2522144A1 (en) * 2004-10-15 2006-04-15 Rohm And Haas Company Method for bleaching wood fibers
FI121114B (fi) * 2007-05-04 2010-07-15 Kemira Oyj Ditioniitin valmistusmenetelmä
US9932709B2 (en) * 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
KR20130062262A (ko) * 2010-04-14 2013-06-12 에프. 호프만-라 로슈 아게 장기간 생성 세포의 선별 방법
CN113174771A (zh) * 2021-04-29 2021-07-27 玖龙纸业（东莞）有限公司 一种涂布白板纸浆料的三元漂白方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE638828A (no) * 1962-10-18
FR1401122A (fr) * 1963-08-27 1965-05-28 Metal Hydrides Inc Procédé de blanchiment de la pulpe de bois
NL6413774A (no) * 1964-11-26 1966-05-27
US3284283A (en) * 1964-02-17 1966-11-08 Fmc Corp Production of wood pulps including treatment of cellulosic fibers with bisulfite ion followed by alkali metal borohydride
SU536271A1 (ru) * 1975-04-01 1976-11-25 Пермский Филиал Всесоюзного Научно-Производственного Объединения Целлюлозно-Бумажной Промышленности Способ отбелки волокнистой массы
SE7806928L (sv) * 1977-06-17 1978-12-18 Ventron Corp Reduktionsforfarande med ditionit och natriumborhydrid
US4198266A (en) * 1977-10-12 1980-04-15 Airco, Inc. Oxygen delignification of wood pulp
DE3012184A1 (de) * 1980-03-28 1981-10-08 Siemens AG, 1000 Berlin und 8000 München Lichtwellenleiterverzweigung
CA1249402A (en) * 1984-12-21 1989-01-31 Pulp And Paper Research Institute Of Canada Multistage brightening of high yield and ultra high- yield wood pulps
DE3661641D1 (en) * 1985-02-15 1989-02-09 Kamyr Ab Multi peroxide stage mechanical pulp bleaching
FR2639371B1 (fr) * 1988-11-24 1995-04-14 Atochem Procede de blanchiment de pates desencrees
DE4115575A1 (de) * 1991-05-13 1992-11-19 Brueggemann L Kg Bleichmittel
JP2827195B2 (ja) * 1991-11-13 1998-11-18 日本電気株式会社 半導体記憶装置
GB9214041D0 (en) * 1992-07-02 1992-08-12 Morton Int Inc Process for de-inking recycled paper pulp

Also Published As

Publication number Publication date
ATE160189T1 (de) 1997-11-15
EP0587270B1 (en) 1997-11-12
EP0587270A1 (en) 1994-03-16
CA2098661C (en) 1997-06-03
JP2948717B2 (ja) 1999-09-13
JPH0657671A (ja) 1994-03-01
DE69315146D1 (de) 1997-12-18
CA2098661A1 (en) 1993-12-19
FI932848A (fi) 1993-12-19
NO301343B1 (no) 1997-10-13
NO932200L (no) 1993-12-20
US5562803A (en) 1996-10-08
ZA933906B (en) 1994-10-07
GB9212926D0 (en) 1992-07-29
FI932848A0 (fi) 1993-06-18
DE69315146T2 (de) 1998-03-05

Similar Documents

Publication Publication Date Title
NO932200D0 (no) Fremgangsmaate for bleking av papirmasse
ES2123600T3 (es) Digestion de madera con acido acetico y adicion de acido formico.
CA2099679A1 (en) Process for de-inking recycled paper pulp
AU4731293A (en) Process for enhancing the whiteness, brightness and chromaticity of paper making fibres
SE8904313L (sv) Vaeteperoxid-blekningsprocess
DE68924793D1 (de) Verfahren zum Bleichen von mechanischem Holzstoff.
AU1145895A (en) Electrodialysis treatment
DE69517199D1 (de) Bleichen von füllstoffhaltigem papier
ID883B (id) Metoda pengolahan bubur kertas sekunder dengan oksigen
FI891559A (fi) Foerfarande foer framstaellning av lignocellulosamaterialfibrer innehaollande produkter.
DE69212051D1 (de) Verfahren zur Herstellung von gebleichtem Hochausbeutepapierzellstoff
SE8200756L (sv) Sett att framstella kemimekanisk pappersmassa
AU2538292A (en) Process for improving the selectivity of the delignification of a chemical paper pulp
FI893742A0 (fi) Parannettu peroksidivalkaisumenetelmä
SE9301834D0 (sv) A pulp production process
AU553303B2 (en) Process for the manufacturing of paper
FI970398A (fi) Menetelmä paperin valmistamiseksi
GB1111273A (en) Process for making a special paper
SE9803538D0 (sv) Fiberskiva samt sätt att framställa densamma
GB883224A (en) Method of producing wood pulp
ES2049165A1 (es) Procedimiento para pre-blanquear o deslignificar pasta kraft empleando oxigeno.
SE8703541L (en) Paper pulp boiling by the sulphate method - works in combination with alkaline oxygen delignification and final bleaching process

Legal Events

Date Code Title Description
CREP Change of representative

Representative=s name: ACAPO AS, POSTBOKS 1880 NORDNES, 5817 BERGEN, NO