WO1990005806A3 - Desencrage de vieux papiers - Google Patents

Desencrage de vieux papiers Download PDF

Info

Publication number
WO1990005806A3
WO1990005806A3 PCT/EP1989/001364 EP8901364W WO9005806A3 WO 1990005806 A3 WO1990005806 A3 WO 1990005806A3 EP 8901364 W EP8901364 W EP 8901364W WO 9005806 A3 WO9005806 A3 WO 9005806A3
Authority
WO
WIPO (PCT)
Prior art keywords
inking
old papers
papers
old
soluble polymers
Prior art date
Application number
PCT/EP1989/001364
Other languages
German (de)
English (en)
Other versions
WO1990005806A2 (fr
Inventor
Konrad Engelskirchen
Herbert Fischer
Klaus Hornfeck
Doris Oberkobusch
Ludwig Schieferstein
Original Assignee
Henkel Kgaa
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
Priority to US07/689,262 priority Critical patent/US5286346A/en
Application filed by Henkel Kgaa filed Critical Henkel Kgaa
Publication of WO1990005806A2 publication Critical patent/WO1990005806A2/fr
Publication of WO1990005806A3 publication Critical patent/WO1990005806A3/fr
Priority to FI912249A priority patent/FI912249A0/fi

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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • D21C5/025—De-inking
    • D21C5/027—Chemicals therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Paper (AREA)

Abstract

Procédé de désencrage de vieux papiers en présence de polymères et/ou de copolymères au moins partiellement solubles dans l'eau et contenant des groupes amino et/ou ammonium.
PCT/EP1989/001364 1988-11-23 1989-11-14 Desencrage de vieux papiers WO1990005806A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US07/689,262 US5286346A (en) 1988-11-23 1988-11-14 Deinking of wastepaper with quaternized hydroxyethyl cellulose
FI912249A FI912249A0 (fi) 1988-11-23 1991-05-09 Avsvaertning av avfallspapper.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19883839478 DE3839478A1 (de) 1988-11-23 1988-11-23 Deinken von altpapieren
DEP3839478.2 1988-11-23

Publications (2)

Publication Number Publication Date
WO1990005806A2 WO1990005806A2 (fr) 1990-05-31
WO1990005806A3 true WO1990005806A3 (fr) 1990-07-12

Family

ID=6367685

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1989/001364 WO1990005806A2 (fr) 1988-11-23 1989-11-14 Desencrage de vieux papiers

Country Status (8)

Country Link
US (1) US5286346A (fr)
EP (2) EP0445161A1 (fr)
JP (1) JPH04502039A (fr)
CA (1) CA2003407A1 (fr)
DE (2) DE3839478A1 (fr)
TR (1) TR24029A (fr)
WO (1) WO1990005806A2 (fr)
YU (1) YU46704B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2082557C (fr) * 1992-02-24 1997-03-11 Charles W. Hankins Procede de desintegration integre de dechets de papier produisant des fibres de papier de categorie hygienique
US5415733A (en) * 1993-05-27 1995-05-16 High Point Chemical Corp. Method of removing hydrophilic ink
ES2125671T3 (es) * 1994-10-31 1999-03-01 Cytec Tech Corp Procedimientos de coagulacion y decoloracion de corrientes residuales.
DE4442056A1 (de) * 1994-11-25 1996-05-30 Henkel Kgaa Verfahren zur Entfernung von Druckfarben aus bedrucktem Altpapier
US5622597A (en) * 1995-01-24 1997-04-22 Callaway Corporation Process for deinking of recycled paper
DE19631150B4 (de) * 1996-08-01 2007-04-19 Süd-Chemie AG Verfahren zur Ablösung von Druckfarben (Deinking) von cellulosehaltigen Druckträgern
DE19703360A1 (de) * 1997-01-30 1998-08-06 Henkel Kgaa Verwendung von Alkylpolyglycosiden zum Deinken von Altpapieren
US7169257B2 (en) * 2003-11-12 2007-01-30 Kemira Chemicals, Inc. Method of deinking waste paper using a reduced alkali system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE667722C (de) * 1936-10-06 1938-11-18 Chem Fab Gruenau Akt Ges Verfahren zur Wiedergewinnung von reinem Papierstoff aus bedrucktem Altpapier
EP0172684A1 (fr) * 1984-08-02 1986-02-26 Calgon Corporation Copolymères diméthyldiallyl chlorure d'ammonium/acrylamide comme agent de désencrage

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3472840A (en) * 1965-09-14 1969-10-14 Union Carbide Corp Quaternary nitrogen-containing cellulose ethers
US3846227A (en) * 1972-11-01 1974-11-05 Gaf Corp Deinking of waste paper with an aqueous solution containing an n-alkyllactam solvent
DE2856845A1 (de) * 1978-12-30 1980-07-17 Henkel Kgaa Verfahren zum deinken von bedrucktem altpapier
JPS59223390A (ja) * 1983-05-27 1984-12-15 花王株式会社 古紙再生用脱墨剤
SE439787B (sv) * 1984-03-19 1985-07-01 Berol Kemi Ab Sett att reducera missfergning och/eller klibbighet vid upparbetning av avfallspapper
GB2178079A (en) * 1985-07-23 1987-02-04 Kao Corp Deinking of waste paper
JPH0641676B2 (ja) * 1985-10-07 1994-06-01 花王株式会社 古紙再生用脱墨助剤
US4871424A (en) * 1986-07-02 1989-10-03 Betz Laboratories, Inc. Process for controlling pitch deposition from pulp in papermaking systems
DE3627407C2 (de) * 1986-08-13 1994-05-19 Steinbeis Temming Papier Gmbh Verfahren zur Reinigung von Wasserkreisläufen bei der Halbstoff- und Papierherstellung
DE3811025A1 (de) * 1988-03-31 1989-10-12 Gruenau Gmbh Chem Fab Verfahren zum de-inken von bedrucktem altpapier

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE667722C (de) * 1936-10-06 1938-11-18 Chem Fab Gruenau Akt Ges Verfahren zur Wiedergewinnung von reinem Papierstoff aus bedrucktem Altpapier
EP0172684A1 (fr) * 1984-08-02 1986-02-26 Calgon Corporation Copolymères diméthyldiallyl chlorure d'ammonium/acrylamide comme agent de désencrage

Also Published As

Publication number Publication date
US5286346A (en) 1994-02-15
EP0445161A1 (fr) 1991-09-11
CA2003407A1 (fr) 1990-05-23
JPH04502039A (ja) 1992-04-09
DE58906706D1 (de) 1994-02-24
YU46704B (sh) 1994-04-05
WO1990005806A2 (fr) 1990-05-31
EP0372267B1 (fr) 1994-01-12
TR24029A (tr) 1991-02-04
YU219989A (en) 1990-12-31
EP0372267A2 (fr) 1990-06-13
DE3839478A1 (de) 1990-06-07
EP0372267A3 (en) 1990-08-01

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