SK278326B6 - Chlorineless bleaching method of viscose cellulose - Google Patents

Chlorineless bleaching method of viscose cellulose Download PDF

Info

Publication number
SK278326B6
SK278326B6 SK280-91A SK28091A SK278326B6 SK 278326 B6 SK278326 B6 SK 278326B6 SK 28091 A SK28091 A SK 28091A SK 278326 B6 SK278326 B6 SK 278326B6
Authority
SK
Slovakia
Prior art keywords
stage
bleaching
eop
oxygen
pulp
Prior art date
Application number
SK280-91A
Other languages
English (en)
Slovak (sk)
Inventor
Anton Hruschka
Walter Peter
Oskar Hoglinger
Original Assignee
Anton Hruschka
Walter Peter
Oskar Hoglinger
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 Anton Hruschka, Walter Peter, Oskar Hoglinger filed Critical Anton Hruschka
Publication of SK278326B6 publication Critical patent/SK278326B6/sk

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
    • 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Artificial Filaments (AREA)
  • Detergent Compositions (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Processing Of Solid Wastes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
SK280-91A 1990-02-07 1991-02-06 Chlorineless bleaching method of viscose cellulose SK278326B6 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0026190A AT395028B (de) 1990-02-07 1990-02-07 Verfahren zum chlorfreien bleichen von kunstfaserzellstoff

Publications (1)

Publication Number Publication Date
SK278326B6 true SK278326B6 (en) 1996-11-06

Family

ID=3485841

Family Applications (1)

Application Number Title Priority Date Filing Date
SK280-91A SK278326B6 (en) 1990-02-07 1991-02-06 Chlorineless bleaching method of viscose cellulose

Country Status (22)

Country Link
US (1) US5145557A (pt)
EP (1) EP0441113B1 (pt)
JP (1) JPH04300380A (pt)
AT (2) AT395028B (pt)
BR (1) BR9100516A (pt)
CA (1) CA2035698C (pt)
CZ (1) CZ280077B6 (pt)
DE (1) DE59007341D1 (pt)
DK (1) DK0441113T3 (pt)
ES (1) ES2061008T3 (pt)
FI (1) FI98077C (pt)
HR (1) HRP930456A2 (pt)
IN (1) IN174833B (pt)
LT (1) LT3392B (pt)
LV (1) LV10514B (pt)
NO (1) NO178079C (pt)
PL (1) PL169421B1 (pt)
RU (1) RU2040616C1 (pt)
SI (1) SI9110206B (pt)
SK (1) SK278326B6 (pt)
YU (1) YU47388B (pt)
ZA (1) ZA91840B (pt)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2053035C (en) * 1990-10-12 1997-09-30 Repap Enterprises Inc. Chlorine-free wood pulps and process of making
US5211809A (en) * 1991-05-21 1993-05-18 Air Products And Chemicals, Inc,. Dye removal in oxygen color stripping of secondary fibers
BE1006056A3 (fr) * 1992-07-06 1994-05-03 Solvay Interox Procede pour le blanchiment d'une pate a papier chimique.
SE500113C2 (sv) * 1992-07-09 1994-04-18 Kamyr Ab Sätt vid blekning av massa för omhändertagande av utlösta metaller
US5374333A (en) * 1992-07-30 1994-12-20 Kamyr, Inc. Method for minimizing pulp mill effluents
FR2695947B1 (fr) * 1992-09-18 1994-10-21 Saint Gobain Papier Bois Gie C Procédé de blanchiment de pâtes cellulosiques chimiques.
CA2147244A1 (en) * 1992-10-23 1994-05-11 Marco Solinas Improved ozone bleaching
SE500335C2 (sv) * 1992-10-26 1994-06-06 Sca Wifsta Oestrand Ab Blekning av sulfatmassa med peroxid-ozon-peroxid
US6210527B1 (en) 1994-03-14 2001-04-03 The Boc Group, Inc. Pulp bleaching method wherein an ozone bleaching waste stream is scrubbed to form an oxygen containing stream
SE504424C2 (sv) * 1994-11-04 1997-02-10 Kvaerner Pulping Tech Sätt att fälla ut övergångsmetaller och alkaliska jordartsmetaller ur blekeriavlutar genom att tillsätta alkalisk vätska
SE516030C2 (sv) * 1994-11-14 2001-11-12 Aga Ab Regenerering av en gasblandning från ett ozonbleksteg
US5656130A (en) * 1995-04-28 1997-08-12 Union Camp Holding, Inc. Ambient temperature pulp bleaching with peroxyacid salts
WO1997020983A1 (en) * 1995-12-07 1997-06-12 Beloit Technologies, Inc. Oxygen delignification of medium consistency pulp slurry
AT402827B (de) * 1995-12-22 1997-09-25 Chemiefaser Lenzing Ag Celluloseformkörper und verfahren zu seiner herstellung
EP1728918A3 (de) * 2005-05-12 2006-12-13 Voith Patent GmbH Verfahren zur Entfernung von Störstoffen aus einer wässrigen Papierfasersuspension
US9339058B2 (en) 2012-04-19 2016-05-17 R. J. Reynolds Tobacco Company Method for producing microcrystalline cellulose from tobacco and related tobacco product
SE538064C2 (sv) * 2014-06-17 2016-02-23 Valmet Oy Metod för att producera dissolving massa från lignocellulosahaltiga material
FI127444B (en) 2015-05-27 2018-06-15 Kemira Oyj A method for reducing the viscosity of a pulp in the manufacture of soluble cellulose

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196043A (en) * 1970-12-21 1980-04-01 Scott Paper Company Kraft pulp bleaching and recovery process
CA966604A (en) * 1970-12-21 1975-04-29 Scott Paper Company Kraft pulp bleaching and recovery process
JPS5430902A (en) 1977-06-27 1979-03-07 Seisan Kaihatsu Kagaku Kenkyus Industrial multistage pulp bleaching method
US4216054A (en) * 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
US4372812A (en) * 1978-04-07 1983-02-08 International Paper Company Chlorine free process for bleaching lignocellulosic pulp
US4283251A (en) * 1980-01-24 1981-08-11 Scott Paper Company Ozone effluent bleaching
US4619733A (en) * 1983-11-30 1986-10-28 Kooi Boon Lam Pollution free pulping process using recycled wash effluent from multiple bleach stages to remove black liquor and recovering sodium hydroxide from the black liquor
AT384837B (de) * 1985-06-27 1988-01-11 Steyrermuehl Papier Verfahren und anordnung zur delignifizierung von zellstoff mit sauerstoff

Also Published As

Publication number Publication date
DE59007341D1 (de) 1994-11-03
IN174833B (pt) 1995-03-18
LV10514A (lv) 1995-02-20
ES2061008T3 (es) 1994-12-01
AT395028B (de) 1992-08-25
FI910601A (fi) 1991-08-08
HRP930456A2 (en) 1995-12-31
ATA26190A (de) 1992-01-15
CS9100280A2 (en) 1991-09-15
FI98077B (fi) 1996-12-31
FI910601A0 (fi) 1991-02-07
NO910455D0 (no) 1991-02-06
YU47388B (sh) 1995-01-31
LT3392B (en) 1995-08-25
NO910455L (no) 1991-08-08
FI98077C (fi) 1997-04-10
DK0441113T3 (da) 1994-10-24
US5145557A (en) 1992-09-08
EP0441113A1 (de) 1991-08-14
YU20691A (sh) 1994-05-10
PL169421B1 (pl) 1996-07-31
ZA91840B (en) 1992-01-29
BR9100516A (pt) 1991-10-29
CZ280077B6 (cs) 1995-10-18
ATE112338T1 (de) 1994-10-15
PL288978A1 (en) 1992-01-13
CA2035698C (en) 2003-03-25
LV10514B (en) 1995-10-20
NO178079C (no) 1996-01-17
JPH04300380A (ja) 1992-10-23
SI9110206A (sl) 1998-02-28
LTIP753A (en) 1995-01-31
RU2040616C1 (ru) 1995-07-25
SI9110206B (sl) 2000-04-30
CA2035698A1 (en) 1991-08-08
NO178079B (no) 1995-10-09
EP0441113B1 (de) 1994-09-28

Similar Documents

Publication Publication Date Title
SK278326B6 (en) Chlorineless bleaching method of viscose cellulose
US5415734A (en) Process for bleaching pulp without using chlorine containing chemicals
US4451332A (en) Method for delignification of ligno-cellulose containing fiber material with an alkali-oxygen extraction stage
FI67242B (fi) Saett att avlaegsna lignin fraon oblekt kemisk pappersmassa
CA2219759A1 (en) Ambient temperature pulp bleaching with peroxyacid salts
RU2148118C1 (ru) Двустадийная делигнификация лигноцеллюлозной массы кислородом
US5529660A (en) Method of reducing fluorescence in deinked pulp by treating pulp with ozone and a bleaching agent
EP0494519A1 (en) High yield pulping process
EP0464110B1 (en) Bleaching process for the production of high bright pulps
US5645687A (en) Process for manufacturing bleached pulp with reduced chloride production
WO1994023117A2 (en) Bleaching recycled pulp with ozone and hydrogen peroxide
FI73020C (fi) Foerfarande foer delignifiering/blekning av cellulosamassa.
USH1690H (en) Process for bleaching kraft pulp
US20120031575A1 (en) Pulp Bleaching and Alkaline Extraction Method
SK281308B6 (sk) Spôsob delignifikácie surovej celulózy
RU2071518C1 (ru) Способ кислородной делигнификации небеленой целлюлозной массы
EP2606175B1 (en) Method for removing hexenuronic acids
Tanifuji et al. Kraft Cooking and Bleaching Ability of Lowdensity Acacia Wood and Hardwoods with Varying Chemical Characteristics of Lignin
EP0279845A4 (en) Pulp bleaching process
CA2230961A1 (en) Process for producing bleached pulp
JPH04308292A (ja) 脱墨パルプ含有クラフトパルプの漂白パルプ化法
JP2002173885A (ja) 広葉樹漂白パルプの製造方法
JP2003278088A (ja) Ｅｃｆ漂白パルプの製造方法
CA2032315C (en) Process for bleaching of chemical cellulose pulp
US20070051483A1 (en) Process for Bleaching Kraft Pulp