PT93425B - Processo para a eliminacao de tinta de materiais residuais de papel - Google Patents

Processo para a eliminacao de tinta de materiais residuais de papel Download PDF

Info

Publication number
PT93425B
PT93425B PT93425A PT9342590A PT93425B PT 93425 B PT93425 B PT 93425B PT 93425 A PT93425 A PT 93425A PT 9342590 A PT9342590 A PT 9342590A PT 93425 B PT93425 B PT 93425B
Authority
PT
Portugal
Prior art keywords
ink
paint
weight
composition
phosphate
Prior art date
Application number
PT93425A
Other languages
English (en)
Portuguese (pt)
Other versions
PT93425A (pt
Inventor
Stanley Blum
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
Publication of PT93425A publication Critical patent/PT93425A/pt
Publication of PT93425B publication Critical patent/PT93425B/pt

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)
PT93425A 1989-03-15 1990-03-14 Processo para a eliminacao de tinta de materiais residuais de papel PT93425B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8905942A GB8905942D0 (en) 1989-03-15 1989-03-15 A method of de-inking waste paper materials

Publications (2)

Publication Number Publication Date
PT93425A PT93425A (pt) 1990-11-07
PT93425B true PT93425B (pt) 1996-09-30

Family

ID=10653370

Family Applications (1)

Application Number Title Priority Date Filing Date
PT93425A PT93425B (pt) 1989-03-15 1990-03-14 Processo para a eliminacao de tinta de materiais residuais de papel

Country Status (16)

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

Also Published As

Publication number Publication date
ZA901713B (en) 1990-12-28
PH27030A (en) 1993-02-01
NZ232892A (en) 1991-11-26
DE69017205D1 (de) 1995-03-30
KR920701565A (ko) 1992-08-12
BR9007224A (pt) 1992-02-18
BG95308A (bg) 1993-12-24
FI914276A7 (fi) 1991-09-11
CA2048618C (en) 2002-04-23
FI914276A0 (fi) 1991-09-11
MW5091A1 (en) 1993-02-10
DE69017205T2 (de) 1995-10-19
IN174412B (online.php) 1994-12-03
MY107139A (en) 1995-09-30
CA2048618A1 (en) 1990-09-16
PT93425A (pt) 1990-11-07
GB8905942D0 (en) 1989-04-26
MC2179A1 (fr) 1992-05-22
KR0151110B1 (ko) 1999-05-15
LTIP1852A (en) 1995-08-25

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19960223

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20040823