DE69017205T2 - Verfahren zum de-inken von altpapieren. - Google Patents

Verfahren zum de-inken von altpapieren.

Info

Publication number
DE69017205T2
DE69017205T2 DE69017205T DE69017205T DE69017205T2 DE 69017205 T2 DE69017205 T2 DE 69017205T2 DE 69017205 T DE69017205 T DE 69017205T DE 69017205 T DE69017205 T DE 69017205T DE 69017205 T2 DE69017205 T2 DE 69017205T2
Authority
DE
Germany
Prior art keywords
dispersing
composition
mixture
weight
ink
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 - Fee Related
Application number
DE69017205T
Other languages
German (de)
English (en)
Other versions
DE69017205D1 (de
Inventor
Stanley London W11 Blum
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.)
Woodfree Ltd
Original Assignee
Woodfree Ltd
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 Woodfree Ltd filed Critical Woodfree Ltd
Priority claimed from PCT/GB1990/000385 external-priority patent/WO1990010749A1/en
Publication of DE69017205D1 publication Critical patent/DE69017205D1/de
Application granted granted Critical
Publication of DE69017205T2 publication Critical patent/DE69017205T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • 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

  • Paper (AREA)
  • Treatment Of Sludge (AREA)
DE69017205T 1989-03-15 1990-03-14 Verfahren zum de-inken von altpapieren. Expired - Fee Related DE69017205T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8905942A GB8905942D0 (en) 1989-03-15 1989-03-15 A method of de-inking waste paper materials
PCT/GB1990/000385 WO1990010749A1 (en) 1989-03-15 1990-03-14 Method of de-inking waste paper materials

Publications (2)

Publication Number Publication Date
DE69017205D1 DE69017205D1 (de) 1995-03-30
DE69017205T2 true DE69017205T2 (de) 1995-10-19

Family

ID=10653370

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69017205T Expired - Fee Related DE69017205T2 (de) 1989-03-15 1990-03-14 Verfahren zum de-inken von altpapieren.

Country Status (16)

Country Link
KR (1) KR0151110B1 (OSRAM)
BG (1) BG95308A (OSRAM)
BR (1) BR9007224A (OSRAM)
CA (1) CA2048618C (OSRAM)
DE (1) DE69017205T2 (OSRAM)
FI (1) FI914276A0 (OSRAM)
GB (1) GB8905942D0 (OSRAM)
IN (1) IN174412B (OSRAM)
LT (1) LTIP1852A (OSRAM)
MC (1) MC2179A1 (OSRAM)
MW (1) MW5091A1 (OSRAM)
MY (1) MY107139A (OSRAM)
NZ (1) NZ232892A (OSRAM)
PH (1) PH27030A (OSRAM)
PT (1) PT93425B (OSRAM)
ZA (1) ZA901713B (OSRAM)

Also Published As

Publication number Publication date
DE69017205D1 (de) 1995-03-30
LTIP1852A (en) 1995-08-25
CA2048618C (en) 2002-04-23
MY107139A (en) 1995-09-30
CA2048618A1 (en) 1990-09-16
KR920701565A (ko) 1992-08-12
BG95308A (bg) 1993-12-24
KR0151110B1 (ko) 1999-05-15
FI914276A7 (fi) 1991-09-11
MC2179A1 (fr) 1992-05-22
PH27030A (en) 1993-02-01
PT93425B (pt) 1996-09-30
FI914276A0 (fi) 1991-09-11
IN174412B (OSRAM) 1994-12-03
MW5091A1 (en) 1993-02-10
GB8905942D0 (en) 1989-04-26
NZ232892A (en) 1991-11-26
ZA901713B (en) 1990-12-28
BR9007224A (pt) 1992-02-18
PT93425A (pt) 1990-11-07

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Legal Events

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