DE3672577D1 - Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten. - Google Patents

Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten.

Info

Publication number
DE3672577D1
DE3672577D1 DE8686116722T DE3672577T DE3672577D1 DE 3672577 D1 DE3672577 D1 DE 3672577D1 DE 8686116722 T DE8686116722 T DE 8686116722T DE 3672577 T DE3672577 T DE 3672577T DE 3672577 D1 DE3672577 D1 DE 3672577D1
Authority
DE
Germany
Prior art keywords
bleaching
delignification
cellular
based products
cellulose
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.)
Expired - Lifetime
Application number
DE8686116722T
Other languages
English (en)
Inventor
Benedikt Dr Hammer
Horst Dr Michaud
Stefan Dr Weiss
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.)
Evonik Operations GmbH
Original Assignee
SKW Trostberg AG
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 SKW Trostberg AG filed Critical SKW Trostberg AG
Priority to DE8686116722T priority Critical patent/DE3672577D1/de
Application granted granted Critical
Publication of DE3672577D1 publication Critical patent/DE3672577D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Cereal-Derived Products (AREA)
  • Detergent Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Prostheses (AREA)
  • Optical Transform (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
DE8686116722T 1985-12-16 1986-12-02 Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten. Expired - Lifetime DE3672577D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8686116722T DE3672577D1 (de) 1985-12-16 1986-12-02 Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853544398 DE3544398A1 (de) 1985-12-16 1985-12-16 Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten
DE8686116722T DE3672577D1 (de) 1985-12-16 1986-12-02 Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten.

Publications (1)

Publication Number Publication Date
DE3672577D1 true DE3672577D1 (de) 1990-08-16

Family

ID=6288532

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19853544398 Ceased DE3544398A1 (de) 1985-12-16 1985-12-16 Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten
DE8686116722T Expired - Lifetime DE3672577D1 (de) 1985-12-16 1986-12-02 Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19853544398 Ceased DE3544398A1 (de) 1985-12-16 1985-12-16 Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten

Country Status (9)

Country Link
US (1) US5034096A (de)
EP (1) EP0226114B1 (de)
JP (1) JPH0723593B2 (de)
AT (1) ATE54475T1 (de)
CA (1) CA1277457C (de)
DE (2) DE3544398A1 (de)
ES (1) ES2016084B3 (de)
FI (1) FI85390C (de)
NO (1) NO169023C (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4004364A1 (de) * 1990-02-13 1991-08-14 Sueddeutsche Kalkstickstoff Verfahren zur chlorfreien bleiche und delignifizierung von zellstoff
DE4031597A1 (de) * 1990-10-05 1992-04-09 Sueddeutsche Kalkstickstoff Verfahren zur chlorarmen bleiche und delignifizierung von zellstoff
US5242464A (en) * 1991-04-22 1993-09-07 Pyxis Corporation Method of bleaching wood
DE4114135A1 (de) * 1991-04-30 1992-11-05 Sueddeutsche Kalkstickstoff Verfahren zur chlorfreien bleiche und delignifizierung von alkalizellstoff
US6398908B1 (en) 1991-04-30 2002-06-04 Eka Nobel Ab Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound
DE4114134A1 (de) * 1991-04-30 1992-11-05 Sueddeutsche Kalkstickstoff Verfahren zur chlorfreien bleiche und delignifizierung von alkalizellstoff
DE4128968A1 (de) * 1991-08-31 1993-03-04 Genkinger Hebe Foerdertech Verfahren und vorrichtung zum wechseln eines warenbaums in einer webmaschine
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
CA2137450C (en) * 1993-04-06 2001-07-24 Jack Kogan Bleaching recycled pulp with ozone and hydrogen peroxide
US5620563A (en) * 1994-10-31 1997-04-15 Pulp Paper Res Inst Process for delignification and bleaching of chemical wood pulps with hydrogen peroxide and a dicyandiamide activator
US6302997B1 (en) * 1999-08-30 2001-10-16 North Carolina State University Process for producing a pulp suitable for papermaking from nonwood fibrous materials
US8268122B2 (en) * 2005-12-02 2012-09-18 Akzo Nobel N.V. Process of producing high-yield pulp
AU2006321020B2 (en) * 2005-12-02 2011-02-10 Akzo Nobel Chemicals International B.V. Process of producing high-yield pulp
US20100224336A1 (en) * 2005-12-14 2010-09-09 University Of Maine System Board Of Trustees Process of bleaching a wood pulp
US20070131364A1 (en) * 2005-12-14 2007-06-14 University Of Maine Process for treating a cellulose-lignin pulp
EP2861799B1 (de) 2012-06-13 2019-06-05 University of Maine System Board of Trustees Energieeffizientes verfahren zur herstellung von nanocellulosefasern

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE532222C (de) * 1929-08-30 1931-08-29 Noviston Akt Ges Verfahren zur Herstellung von Zellstoff durch alkalischen Aufschluss
US4025453A (en) * 1976-02-09 1977-05-24 Shell Oil Company Activated bleaching process and compositions therefor
US4158595A (en) * 1977-07-27 1979-06-19 Hercules Incorporated Preparation of hydrophilic styrene maleic anhydride copolymer fibers for use in papermaking
US4426466A (en) * 1982-06-09 1984-01-17 Minnesota Mining And Manufacturing Company Paper treatment compositions containing fluorochemical carboxylic acid and epoxidic cationic resin
FR2557605B1 (fr) * 1983-12-29 1987-12-11 Atochem Procede de blanchiment de pates papetieres par le peroxyde d'hydrogene
FR2560898B1 (fr) * 1984-03-06 1988-01-08 Air Liquide Procede de destructuration de matieres lignocellulosiques

Also Published As

Publication number Publication date
FI865100A0 (fi) 1986-12-15
ES2016084B3 (es) 1990-10-16
FI865100A (fi) 1987-06-17
ATE54475T1 (de) 1990-07-15
US5034096A (en) 1991-07-23
FI85390C (fi) 1992-04-10
NO169023C (no) 1992-04-29
JPH0723593B2 (ja) 1995-03-15
FI85390B (fi) 1991-12-31
EP0226114A1 (de) 1987-06-24
NO864983D0 (no) 1986-12-10
NO169023B (no) 1992-01-20
JPS62191588A (ja) 1987-08-21
CA1277457C (en) 1990-12-11
EP0226114B1 (de) 1990-07-11
NO864983L (no) 1987-06-17
DE3544398A1 (de) 1987-06-19

Similar Documents

Publication Publication Date Title
DE3672577D1 (de) Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten.
ATE31753T1 (de) Verfahren zur behandlung von zellulosematerialien mit oxydativen mitteln.
ATE48290T1 (de) Verfahren zur delignifizierung und bleiche von zellstoffen.
FI890700A (fi) Menetelmä selluloosamassan valkaisemiseksi
DE3674866D1 (de) Verfahren zur delignifizierung von zellulosematerialien.
DE3674859D1 (de) Verfahren zur delignifizierung von zellulosematerialien.
ATE35433T1 (de) Verfahren zur bereitstellung von chemischen holzpulpen hinsichtlich der bleiche.
SE8008336L (sv) Forfarande for delignifiering/blekning av cellulosamassa
DE59704964D1 (de) Verfahren zur Herstellung von gebleichten Spezialzellstoffen

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee