FI117394B - Menetelmä delignifioitujen ja valkaistujen kemiallisten paperimassojen valmistamiseksi - Google Patents

Menetelmä delignifioitujen ja valkaistujen kemiallisten paperimassojen valmistamiseksi Download PDF

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Publication number
FI117394B
FI117394B FI964499A FI964499A FI117394B FI 117394 B FI117394 B FI 117394B FI 964499 A FI964499 A FI 964499A FI 964499 A FI964499 A FI 964499A FI 117394 B FI117394 B FI 117394B
Authority
FI
Finland
Prior art keywords
process according
pulp
treatment
weight
pressure
Prior art date
Application number
FI964499A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI964499L (fi
FI964499A0 (fi
Inventor
Michel Devic
Jean-Pierre Schirmann
Original Assignee
Atochem Elf Sa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9463129&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI117394(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Atochem Elf Sa filed Critical Atochem Elf Sa
Publication of FI964499L publication Critical patent/FI964499L/fi
Publication of FI964499A0 publication Critical patent/FI964499A0/fi
Application granted granted Critical
Publication of FI117394B publication Critical patent/FI117394B/fi

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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
    • 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
    • D21C9/16—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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FI964499A 1994-05-11 1996-11-08 Menetelmä delignifioitujen ja valkaistujen kemiallisten paperimassojen valmistamiseksi FI117394B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9405815A FR2719854B1 (fr) 1994-05-11 1994-05-11 Procédé de préparation de pâtes à papier chimiques délignifiées et blanchies.
FR9405815 1994-05-11
FR9500494 1995-01-18
PCT/FR1995/000494 WO1995031599A1 (fr) 1994-05-11 1995-04-14 Procede de preparation de pates a papier chimiques delignifiees et blanchies

Publications (3)

Publication Number Publication Date
FI964499L FI964499L (fi) 1996-11-08
FI964499A0 FI964499A0 (fi) 1996-11-08
FI117394B true FI117394B (fi) 2006-09-29

Family

ID=9463129

Family Applications (1)

Application Number Title Priority Date Filing Date
FI964499A FI117394B (fi) 1994-05-11 1996-11-08 Menetelmä delignifioitujen ja valkaistujen kemiallisten paperimassojen valmistamiseksi

Country Status (10)

Country Link
US (1) US6019870A (de)
EP (1) EP0759105B2 (de)
CN (1) CN1065304C (de)
AU (1) AU2348495A (de)
CA (1) CA2189796C (de)
ES (1) ES2126278T5 (de)
FI (1) FI117394B (de)
FR (1) FR2719854B1 (de)
NO (1) NO320946B1 (de)
WO (1) WO1995031599A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2747407B1 (fr) * 1996-04-12 1998-05-07 Atochem Elf Sa Procede de delignification et de blanchiment de pates a papier chimiques
SE0004438L (sv) * 1999-12-02 2001-06-03 Andritz Ahlstrom Inc Miljövänlig fiberlinje för framställning av blekt kemimassa
AU2001256024A1 (en) * 2000-05-04 2001-11-12 University Of New Brunswick Peroxide bleaching of wood pulp
US7001484B2 (en) 2000-05-04 2006-02-21 University Of New Brunswick Peroxide bleaching of wood pulp using stabilizers and sodium hydrosulfide reducing agent
US20050087315A1 (en) * 2003-10-28 2005-04-28 Donovan Joseph R. Low consistency oxygen delignification process
CN103088699B (zh) * 2008-06-20 2015-04-22 国际纸业公司 具有改良光学特性的组合物和记录片材
CN102926254B (zh) * 2012-11-18 2018-02-27 天津容业达科技发展有限公司 常压低温清洁制浆过程中添加的制浆助剂
US9365525B2 (en) 2013-02-11 2016-06-14 American Science And Technology Corporation System and method for extraction of chemicals from lignocellulosic materials
CN104088187A (zh) * 2014-06-05 2014-10-08 华南理工大学 一种纸浆漂白方法
US9382283B2 (en) 2014-08-01 2016-07-05 American Science And Technology Corporation Oxygen assisted organosolv process, system and method for delignification of lignocellulosic materials and lignin recovery
US9950858B2 (en) 2015-01-16 2018-04-24 R.J. Reynolds Tobacco Company Tobacco-derived cellulose material and products formed thereof
US11154087B2 (en) 2016-02-02 2021-10-26 R.J. Reynolds Tobacco Company Method for preparing flavorful compounds isolated from black liquor and products incorporating the flavorful compounds
US10196778B2 (en) 2017-03-20 2019-02-05 R.J. Reynolds Tobacco Company Tobacco-derived nanocellulose material
CN110644270B (zh) * 2019-08-27 2022-01-07 齐鲁工业大学 一种杨木kp浆tcf漂白生产溶解浆的工艺

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE422818B (sv) * 1978-03-31 1982-03-29 Modo Chemetrics Ab Forfarande for foredling av allulosamassa genom blekning eller extrahering
JPS5658086A (en) * 1979-10-17 1981-05-20 Kogyo Gijutsuin Multistage bleaching method of pulps
DE3207157C1 (de) * 1982-02-27 1983-06-09 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von halbgebleichten Zellstoffen
DE69004492T3 (de) † 1989-06-06 2001-11-15 Eka Nobel Ab, Bohus Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen.
ZA924351B (en) * 1991-06-27 1993-03-31 Ahlstroem Oy Ozone bleaching process
SE469842C (sv) * 1992-01-21 1996-01-15 Sunds Defibrator Ind Ab Blekning av kemisk massa med peroxid
BE1006056A3 (fr) * 1992-07-06 1994-05-03 Solvay Interox Procede pour le blanchiment d'une pate a papier chimique.

Also Published As

Publication number Publication date
FR2719854B1 (fr) 1996-06-21
FI964499L (fi) 1996-11-08
CA2189796A1 (fr) 1995-11-23
CN1147841A (zh) 1997-04-16
FR2719854A1 (fr) 1995-11-17
EP0759105A1 (de) 1997-02-26
WO1995031599A1 (fr) 1995-11-23
NO964609D0 (no) 1996-10-31
ES2126278T3 (es) 1999-03-16
US6019870A (en) 2000-02-01
EP0759105B1 (de) 1998-12-02
EP0759105B2 (de) 2001-10-10
ES2126278T5 (es) 2002-02-16
NO320946B1 (no) 2006-02-20
CA2189796C (fr) 2000-08-22
NO964609L (no) 1996-10-31
FI964499A0 (fi) 1996-11-08
AU2348495A (en) 1995-12-05
CN1065304C (zh) 2001-05-02

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