CA2154778A1 - Improved process and composition for delignifying a lignocellulosic material - Google Patents

Improved process and composition for delignifying a lignocellulosic material

Info

Publication number
CA2154778A1
CA2154778A1 CA 2154778 CA2154778A CA2154778A1 CA 2154778 A1 CA2154778 A1 CA 2154778A1 CA 2154778 CA2154778 CA 2154778 CA 2154778 A CA2154778 A CA 2154778A CA 2154778 A1 CA2154778 A1 CA 2154778A1
Authority
CA
Canada
Prior art keywords
pulp
ketone
acetone
caroate
process according
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.)
Abandoned
Application number
CA 2154778
Other languages
English (en)
French (fr)
Inventor
Raymond C. Francis
Daniel J. Nicholson
Nicholas A. Troughton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SOLVAY INTEROX
Research Foundation of State University of New York
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2154778A1 publication Critical patent/CA2154778A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/055—Peroxyhydrates; Peroxyacids or salts thereof
    • C01B15/06—Peroxyhydrates; Peroxyacids or salts thereof containing sulfur
    • C01B15/08—Peroxysulfates
    • 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
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • 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
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
CA 2154778 1993-02-01 1994-01-31 Improved process and composition for delignifying a lignocellulosic material Abandoned CA2154778A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1205793A 1993-02-01 1993-02-01
US08/012,057 1993-02-01

Publications (1)

Publication Number Publication Date
CA2154778A1 true CA2154778A1 (en) 1994-08-18

Family

ID=21753173

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2154778 Abandoned CA2154778A1 (en) 1993-02-01 1994-01-31 Improved process and composition for delignifying a lignocellulosic material

Country Status (9)

Country Link
EP (1) EP0681625A4 (ja)
JP (1) JPH08508791A (ja)
AU (1) AU6130794A (ja)
BR (1) BR9405754A (ja)
CA (1) CA2154778A1 (ja)
FI (1) FI953651A0 (ja)
NO (1) NO952913L (ja)
NZ (1) NZ262009A (ja)
WO (1) WO1994018386A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5770011A (en) * 1995-11-17 1998-06-23 International Paper Company Neutral monoperoxysulfate bleaching process
EP1012376A2 (de) * 1997-06-20 2000-06-28 Blume, Hildegard Oxidations- und bleichsystem mit enzymatisch hergestellten oxidationsmitteln
JP4967451B2 (ja) 2006-05-17 2012-07-04 三菱瓦斯化学株式会社 漂白パルプの製造方法
CN101903591A (zh) 2007-12-20 2010-12-01 三菱瓦斯化学株式会社 漂白纸浆的制造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1368400A (en) * 1971-08-05 1974-09-25 Procter & Gamble Bleaching process and compositions therefor
US4404061A (en) * 1981-08-17 1983-09-13 International Paper Company Bleaching of lignocellulosic materials with monopersulfuric acid or its salts
DE69202149T2 (de) * 1991-02-12 1995-11-09 Pulp Paper Res Inst Bleichen von lignocellulosischen Materialien mit aktiviertem Sauerstoff.
IT1251180B (it) * 1991-08-28 1995-05-04 Ausimont Spa Processo per la degradazione della lignina con diossirani

Also Published As

Publication number Publication date
BR9405754A (pt) 1995-11-28
FI953651A (fi) 1995-07-31
AU6130794A (en) 1994-08-29
WO1994018386A1 (en) 1994-08-18
EP0681625A1 (en) 1995-11-15
JPH08508791A (ja) 1996-09-17
FI953651A0 (fi) 1995-07-31
NO952913D0 (no) 1995-07-21
NZ262009A (en) 1996-06-25
EP0681625A4 (en) 1997-03-12
NO952913L (no) 1995-07-21

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Legal Events

Date Code Title Description
FZDE Dead