FI944928A0 - Menetelmä kemiallisen paperimassan valkaisemiseksi - Google Patents

Menetelmä kemiallisen paperimassan valkaisemiseksi

Info

Publication number
FI944928A0
FI944928A0 FI944928A FI944928A FI944928A0 FI 944928 A0 FI944928 A0 FI 944928A0 FI 944928 A FI944928 A FI 944928A FI 944928 A FI944928 A FI 944928A FI 944928 A0 FI944928 A0 FI 944928A0
Authority
FI
Finland
Prior art keywords
chemical pulp
bleaching chemical
bleaching
pulp
chemical
Prior art date
Application number
FI944928A
Other languages
English (en)
Swedish (sv)
Other versions
FI944928A (fi
Inventor
Nicholas A Troughton
Johan Devenyns
Francois Desprez
Pierre Ledoux
Rene Detroz
Original Assignee
Solvay Interox
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 filed Critical Solvay Interox
Publication of FI944928A0 publication Critical patent/FI944928A0/fi
Publication of FI944928A publication Critical patent/FI944928A/fi

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005Treatment of cellulose-containing material with microorganisms or enzymes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/16Bleaching ; Apparatus therefor with per compounds
    • D21C9/166Bleaching ; 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)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
FI944928A 1993-10-22 1994-10-20 Menetelmä kemiallisen paperimassan valkaisemiseksi FI944928A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9301131A BE1007651A3 (fr) 1993-10-22 1993-10-22 Procede pour le blanchiment d'une pate a papier chimique.

Publications (2)

Publication Number Publication Date
FI944928A0 true FI944928A0 (fi) 1994-10-20
FI944928A FI944928A (fi) 1995-04-23

Family

ID=3887461

Family Applications (1)

Application Number Title Priority Date Filing Date
FI944928A FI944928A (fi) 1993-10-22 1994-10-20 Menetelmä kemiallisen paperimassan valkaisemiseksi

Country Status (9)

Country Link
US (1) US5645686A (fi)
EP (1) EP0649938A1 (fi)
JP (1) JPH07150493A (fi)
AU (1) AU682209B2 (fi)
BE (1) BE1007651A3 (fi)
BR (1) BR9404176A (fi)
CA (1) CA2117984A1 (fi)
FI (1) FI944928A (fi)
NO (1) NO944015L (fi)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3610686B2 (ja) * 1996-07-31 2005-01-19 王子製紙株式会社 印刷用塗被紙の製造方法
US6057438A (en) * 1996-10-11 2000-05-02 Eastman Chemical Company Process for the co-production of dissolving-grade pulp and xylan
JP3511816B2 (ja) * 1996-10-25 2004-03-29 王子製紙株式会社 キャスト塗被紙およびその製造方法
FI112958B (fi) * 1997-12-19 2004-02-13 Kemira Oyj Menetelmä kemiallisen massan valkaisemiseksi sekä valkaisuliuoksen käyttö
CA2432788C (en) * 2000-12-22 2008-10-07 Iogen Bio-Products Corporation Alkaline extraction stages comprising xylanase
AU2002229430A1 (en) * 2001-01-18 2002-07-30 Iogen Bio-Products Corporation Use of xylanase in pulp bleaching
CA2436765A1 (en) * 2001-12-03 2003-06-12 Iogen Bio-Products Corporation Bleaching stage using xylanase with hydrogen peroxide, peracids, or a combination thereof
US7368036B2 (en) * 2002-03-06 2008-05-06 Iogen Bio-Products Corporation Xylanase treatment of chemical pulp
EP1516053B1 (en) * 2002-06-14 2012-10-17 Verenium Corporation Xylanases, nucleic adics encoding them and methods for making and using them
US20040112555A1 (en) * 2002-12-03 2004-06-17 Jeffrey Tolan Bleaching stage using xylanase with hydrogen peroxide, peracids, or a combination thereof
AU2004254640B2 (en) 2003-07-02 2010-08-26 Bp Corporation North America Inc. Glucanases, nucleic acids encoding them and methods for making and using them
US7741089B2 (en) 2003-08-11 2010-06-22 Verenium Corporation Laccases, nucleic acids encoding them and methods for making and using them
EP3406621A1 (en) 2006-02-14 2018-11-28 BP Corporation North America Inc. Xylanases, nucleic acids encoding them and methods for making and using them
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
AU2007356171B8 (en) 2006-08-04 2014-01-16 Bp Corporation North America Inc. Glucanases, nucleic acids encoding them, and methods for making and using them
US20080087390A1 (en) * 2006-10-11 2008-04-17 Fort James Corporation Multi-step pulp bleaching
DK2205744T3 (en) 2007-10-03 2015-04-27 Bp Corp North America Inc Xylanases, nucleic acids encoding them, and methods of making and an-facing presence thereof
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
US8845860B2 (en) 2010-09-16 2014-09-30 Georgia-Pacific Consumer Products Lp High brightness pulps from lignin rich waste papers
JP7100315B2 (ja) * 2018-05-30 2022-07-13 三菱瓦斯化学株式会社 漂白パルプの製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5179021A (en) * 1989-02-10 1993-01-12 Gil Inc. (Now Ici Canada Inc.) Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment
US5246543A (en) * 1989-08-18 1993-09-21 Degussa Corporation Process for bleaching and delignification of lignocellulosic materials
NZ239500A (en) * 1990-08-24 1993-08-26 Novo Nordisk As Xylanases obtained from bacillus pumilus and use in a lignocellulosic chemical pulping process
DK30991D0 (da) * 1991-02-22 1991-02-22 Novo Nordisk As Hidtil ukendte enzymer
BE1004674A3 (fr) * 1991-03-11 1993-01-12 Interox Internat Sa Procede pour le blanchiment d'une pate a papier chimique et application de ce procede au blanchiment d'une pate kraft.

Also Published As

Publication number Publication date
US5645686A (en) 1997-07-08
BE1007651A3 (fr) 1995-09-05
BR9404176A (pt) 1995-06-27
NO944015L (no) 1995-04-24
AU7575794A (en) 1995-05-11
NO944015D0 (no) 1994-10-21
JPH07150493A (ja) 1995-06-13
FI944928A (fi) 1995-04-23
EP0649938A1 (fr) 1995-04-26
CA2117984A1 (fr) 1995-04-23
AU682209B2 (en) 1997-09-25

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