FI904088A0 - Förfarande för blekning och delignifiering av lignocellulosamaterial - Google Patents

Förfarande för blekning och delignifiering av lignocellulosamaterial

Info

Publication number
FI904088A0
FI904088A0 FI904088A FI904088A FI904088A0 FI 904088 A0 FI904088 A0 FI 904088A0 FI 904088 A FI904088 A FI 904088A FI 904088 A FI904088 A FI 904088A FI 904088 A0 FI904088 A0 FI 904088A0
Authority
FI
Finland
Prior art keywords
bleaching
lignocellulosic materials
delignifying lignocellulosic
delignifying
materials
Prior art date
Application number
FI904088A
Other languages
English (en)
Finnish (fi)
Other versions
FI98536B (sv
FI98536C (sv
Inventor
Juergen Meier
Gerhard Arnold
Oswald Helmling
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of FI904088A0 publication Critical patent/FI904088A0/sv
Publication of FI98536B publication Critical patent/FI98536B/sv
Application granted granted Critical
Publication of FI98536C publication Critical patent/FI98536C/sv

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
    • D21C9/147—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
    • D21C9/1026—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
    • 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)
  • Detergent Compositions (AREA)
FI904088A 1989-08-18 1990-08-17 Förfarande för blekning och delignifiering av lignocellulosamaterial FI98536C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39552089 1989-08-18
US07/395,520 US5091054A (en) 1989-08-18 1989-08-18 Process for bleaching and delignification of lignocellulosic

Publications (3)

Publication Number Publication Date
FI904088A0 true FI904088A0 (sv) 1990-08-17
FI98536B FI98536B (sv) 1997-03-27
FI98536C FI98536C (sv) 1997-07-10

Family

ID=23563395

Family Applications (1)

Application Number Title Priority Date Filing Date
FI904088A FI98536C (sv) 1989-08-18 1990-08-17 Förfarande för blekning och delignifiering av lignocellulosamaterial

Country Status (8)

Country Link
US (1) US5091054A (sv)
EP (1) EP0415149B1 (sv)
AT (1) ATE112339T1 (sv)
CA (1) CA2023429C (sv)
DE (1) DE69012931T2 (sv)
ES (1) ES2060877T3 (sv)
FI (1) FI98536C (sv)
MX (1) MX166992B (sv)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
US6398908B1 (en) 1991-04-30 2002-06-04 Eka Nobel Ab Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound
BE1004974A3 (fr) * 1991-06-06 1993-03-09 Interox Internat Sa Procede pour le blanchiment et la delignification de pates a papier chimiques et application de ce procede au blanchiment et a la delignification des pates kraft et des pates asam.
BE1005094A3 (fr) * 1991-07-10 1993-04-20 Interox Internat Sa Procede pour la preservation des caracteristiques de resistance mecanique des pates a papier chimiques et application de ce procede au blanchiment et a la delignification des pates kraft.
IT1258844B (it) * 1992-01-31 1996-02-29 Ausimont Spa Procedimento per la delignificazione di cellulosa grezza
US5433825A (en) * 1992-02-06 1995-07-18 The United States Of America As Represented By The Secretary Of Agriculture Method for pulping wood chips separate alkali and peroxymonosulfate treatments
BE1006056A3 (fr) * 1992-07-06 1994-05-03 Solvay Interox Procede pour le blanchiment d'une pate a papier chimique.
BE1006057A3 (fr) * 1992-07-06 1994-05-03 Solvay Interox Procede pour la delignification d'une pate a papier chimique.
US5589032A (en) * 1992-09-21 1996-12-31 North Carolina State University Process for preparing a bleaching liquor containing percarboxylic acid and caro's acid
SE512137C2 (sv) † 1992-10-29 2000-01-31 Eka Chemicals Ab Förfarande för blekning av lignocellulosahaltig massa
MX9307415A (es) * 1992-11-27 1994-07-29 Eka Nobel Ab Proceso para la deslignificacion de pulpa que contiene lignocelulosa.
DE69304342T3 (de) * 1992-11-27 2004-07-01 Eka Chemicals Ab Verfahren zum bleichen von lignocellulose-enthaltendem zellstoff
US6007678A (en) * 1992-11-27 1999-12-28 Eka Nobel Ab Process for delignification of lignocellulose-containing pulp with an organic peracid or salts thereof
US5387317A (en) * 1993-01-28 1995-02-07 The Mead Corporation Oxygen/ozone/peracetic aicd delignification and bleaching of cellulosic pulps
US5411635A (en) * 1993-03-22 1995-05-02 The Research Foundation Of State University Of New York Ozone/peroxymonosulfate process for delignifying a lignocellulosic material
SE9401628L (sv) * 1994-05-10 1995-11-11 Stora Kopparbergs Bergslags Ab Förfarande vid syrgasdelignifiering
DE4422307A1 (de) * 1994-06-17 1995-12-21 Melitta Haushaltsprodukte Verfahren zum Delignifizieren und Bleichen von ungebleichten Zellstoffsuspensionen unter Verwendung von Stickstoffverbindungen
US5503709A (en) * 1994-07-27 1996-04-02 Burton; Steven W. Environmentally improved process for preparing recycled lignocellulosic materials for bleaching
SE514697C2 (sv) * 1994-08-31 2001-04-02 Valmet Fibertech Ab Eliminering av metalljoner vid blekning av massa
US5656130A (en) * 1995-04-28 1997-08-12 Union Camp Holding, Inc. Ambient temperature pulp bleaching with peroxyacid salts
US5770011A (en) * 1995-11-17 1998-06-23 International Paper Company Neutral monoperoxysulfate bleaching process
FR2747406B1 (fr) * 1996-04-12 1998-08-28 Air Liquide Procede de delignification a l'oxygene d'une pate a papier
JP2001518153A (ja) * 1997-03-21 2001-10-09 ペロックシト−ヒェミー ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト カロ酸塩／カロ酸によるセルロースの漂白および脱リグニンならびにその製造方法
US6511578B2 (en) 1997-03-21 2003-01-28 Peroxid-Chemie Gmbh & Co. Kg Bleaching and delignifying cellulosic pulp using caroate/caro's acid solution
EP0931874A1 (en) * 1998-01-22 1999-07-28 Degussa-Hüls Aktiengesellschaft Pulp bleaching process including final stage treatment step with salt of peroxymonosulfuric acid
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
US7976677B2 (en) * 2006-12-18 2011-07-12 International Paper Company Process of bleaching hardwood pulps in a D1 or D2 stage in a presence of a weak base
US7976676B2 (en) * 2006-12-18 2011-07-12 International Paper Company Process of bleaching softwood pulps in a D1 or D2 stage in a presence of a weak base
BRPI0821031B1 (pt) * 2007-12-20 2018-05-15 Mitsubishi Gas Chemical Company, Inc. Processo para produção de polpa alvejada
US9365525B2 (en) 2013-02-11 2016-06-14 American Science And Technology Corporation System and method for extraction of chemicals from lignocellulosic materials
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520397A1 (fr) * 1982-01-28 1983-07-29 Centre Tech Ind Papier Procede pour le traitement de pates papetieres chimiques
FR2576930B1 (fr) * 1985-02-04 1988-08-12 Interox Procede pour la delignification et le blanchiment de pate a papier chimique ou semi-chimique de bagasse
FR2626020B1 (fr) * 1988-01-20 1990-05-04 Protex Manuf Prod Chimiq Procede ameliore de blanchiment de fibres cellulosiques a l'aide de peroxyde d'hydrogene en milieu alcalin

Also Published As

Publication number Publication date
FI98536B (sv) 1997-03-27
EP0415149B1 (en) 1994-09-28
EP0415149A3 (en) 1992-01-29
DE69012931D1 (de) 1994-11-03
CA2023429C (en) 2000-05-30
DE69012931T2 (de) 1995-03-16
FI98536C (sv) 1997-07-10
CA2023429A1 (en) 1991-02-19
MX166992B (es) 1993-02-19
US5091054A (en) 1992-02-25
ATE112339T1 (de) 1994-10-15
ES2060877T3 (es) 1994-12-01
EP0415149A2 (en) 1991-03-06

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: DEGUSSA AKTIENGESELLSCHAFT

BB Publication of examined application
MM Patent lapsed

Owner name: DEGUSSA AKTIENGESELLSCHAFT