ATE23376T1 - Verfahren zum bleichen von papierrohstoffen. - Google Patents

Verfahren zum bleichen von papierrohstoffen.

Info

Publication number
ATE23376T1
ATE23376T1 AT83112505T AT83112505T ATE23376T1 AT E23376 T1 ATE23376 T1 AT E23376T1 AT 83112505 T AT83112505 T AT 83112505T AT 83112505 T AT83112505 T AT 83112505T AT E23376 T1 ATE23376 T1 AT E23376T1
Authority
AT
Austria
Prior art keywords
raw materials
paper raw
bleaching
bleaching paper
termination
Prior art date
Application number
AT83112505T
Other languages
English (en)
Inventor
Hans-Ulrich Dr Suess
Horst Dr Krueger
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
Application granted granted Critical
Publication of ATE23376T1 publication Critical patent/ATE23376T1/de

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
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
AT83112505T 1983-03-19 1983-12-13 Verfahren zum bleichen von papierrohstoffen. ATE23376T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3309956A DE3309956C1 (de) 1983-03-19 1983-03-19 Verfahren zum Bleichen von Papierrohstoffen
EP83112505A EP0120132B1 (de) 1983-03-19 1983-12-13 Verfahren zum Bleichen von Papierrohstoffen

Publications (1)

Publication Number Publication Date
ATE23376T1 true ATE23376T1 (de) 1986-11-15

Family

ID=6194000

Family Applications (1)

Application Number Title Priority Date Filing Date
AT83112505T ATE23376T1 (de) 1983-03-19 1983-12-13 Verfahren zum bleichen von papierrohstoffen.

Country Status (3)

Country Link
EP (1) EP0120132B1 (de)
AT (1) ATE23376T1 (de)
DE (2) DE3309956C1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3616816A1 (de) * 1986-05-17 1987-11-19 Degussa Verfahren zum entfaerben von in der masse gefaerbten papieren und selbstdurchschreibepapieren
DE3831668A1 (de) * 1988-09-17 1990-03-22 Escher Wyss Gmbh Verfahren zur weissgraderhoehung von altpapier mit neutralem wasserkreislauf
DE3902423A1 (de) * 1989-01-27 1990-08-02 Degussa Verfahren zur bleiche von faserstoffen zur papierherstellung
GB9214041D0 (en) * 1992-07-02 1992-08-12 Morton Int Inc Process for de-inking recycled paper pulp
AT407762B (de) * 1994-03-22 2001-06-25 Brueggemann L Kg Bleichmittel zur bleiche von sekundärfaserstoffen für die papierherstellung
DE19920338A1 (de) * 1999-05-03 2000-11-16 Voith Sulzer Papiertech Patent Verfahren zur Erhöhung des Weißgrades von Papierfaserstoff
DE102007007654A1 (de) * 2007-02-13 2008-08-14 Voith Patent Gmbh FAS Bleiche
US10974348B2 (en) 2016-06-02 2021-04-13 Priefert Mfg. Co, Inc. Method for forming a brazed joint
DE102020111675A1 (de) * 2020-04-29 2021-11-04 Kübler & Niethammer Papierfabrik Kriebstein AG Verfahren zur Herstellung eines Etikettenpapiers aus abgelösten Nassetiketten

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3384534A (en) * 1964-12-16 1968-05-21 Fmc Corp Bleaching of wood pulps with thiourea dioxide
GB1404315A (en) * 1971-09-15 1975-08-28 Albright & Wilson Production of bleached high yield pulp
DE3118192A1 (de) * 1981-05-08 1982-11-25 Basf Ag, 6700 Ludwigshafen Verfahren zum deinken von altpapier

Also Published As

Publication number Publication date
DE3309956C1 (de) 1984-07-12
EP0120132A1 (de) 1984-10-03
EP0120132B1 (de) 1986-11-05
DE3367421D1 (en) 1986-12-11

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