FI953651A - Parannettu menetelmä ja koostumus lignoselluloosamateriaalin delignifioimiseksi - Google Patents

Parannettu menetelmä ja koostumus lignoselluloosamateriaalin delignifioimiseksi Download PDF

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Publication number
FI953651A
FI953651A FI953651A FI953651A FI953651A FI 953651 A FI953651 A FI 953651A FI 953651 A FI953651 A FI 953651A FI 953651 A FI953651 A FI 953651A FI 953651 A FI953651 A FI 953651A
Authority
FI
Finland
Prior art keywords
composition
improved method
lignocellulosic material
delignifying lignocellulosic
delignifying
Prior art date
Application number
FI953651A
Other languages
English (en)
Swedish (sv)
Other versions
FI953651A0 (fi
Inventor
Raymond C Francis
Daniel J Nicholson
Nicholas A Troughton
Original Assignee
Solvay Interox
Univ New York State Res Found
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 Solvay Interox, Univ New York State Res Found filed Critical Solvay Interox
Publication of FI953651A publication Critical patent/FI953651A/fi
Publication of FI953651A0 publication Critical patent/FI953651A0/fi

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)
FI953651A 1993-02-01 1995-07-31 Parannettu menetelmä ja koostumus lignoselluloosamateriaalin delignifioimiseksi FI953651A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1205793A 1993-02-01 1993-02-01
PCT/US1994/001085 WO1994018386A1 (en) 1993-02-01 1994-01-31 Improved process and composition for delignifying a lignocellulosic material

Publications (2)

Publication Number Publication Date
FI953651A true FI953651A (fi) 1995-07-31
FI953651A0 FI953651A0 (fi) 1995-07-31

Family

ID=21753173

Family Applications (1)

Application Number Title Priority Date Filing Date
FI953651A FI953651A0 (fi) 1993-02-01 1995-07-31 Parannettu menetelmä ja koostumus lignoselluloosamateriaalin delignifioimiseksi

Country Status (9)

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

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
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
CA2154778A1 (en) 1994-08-18
NZ262009A (en) 1996-06-25
EP0681625A4 (en) 1997-03-12
NO952913L (no) 1995-07-21

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