[go: up one dir, main page]

FI914276A7 - Deinking method for waste paper materials - Google Patents

Deinking method for waste paper materials Download PDF

Info

Publication number
FI914276A7
FI914276A7 FI914276A FI914276A FI914276A7 FI 914276 A7 FI914276 A7 FI 914276A7 FI 914276 A FI914276 A FI 914276A FI 914276 A FI914276 A FI 914276A FI 914276 A7 FI914276 A7 FI 914276A7
Authority
FI
Finland
Prior art keywords
waste paper
paper materials
deinking method
deinking
materials
Prior art date
Application number
FI914276A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI914276A0 (en
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
Priority claimed from PCT/GB1990/000385 external-priority patent/WO1990010749A1/en
Publication of FI914276A0 publication Critical patent/FI914276A0/en
Publication of FI914276A7 publication Critical patent/FI914276A7/en

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
FI914276A 1989-03-15 1990-03-14 Deinking method for waste paper materials FI914276A7 (en)

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
FI914276A0 FI914276A0 (en) 1991-09-11
FI914276A7 true FI914276A7 (en) 1991-09-11

Family

ID=10653370

Family Applications (1)

Application Number Title Priority Date Filing Date
FI914276A FI914276A7 (en) 1989-03-15 1990-03-14 Deinking method for waste paper materials

Country Status (16)

Country Link
KR (1) KR0151110B1 (en)
BG (1) BG95308A (en)
BR (1) BR9007224A (en)
CA (1) CA2048618C (en)
DE (1) DE69017205T2 (en)
FI (1) FI914276A7 (en)
GB (1) GB8905942D0 (en)
IN (1) IN174412B (en)
LT (1) LTIP1852A (en)
MC (1) MC2179A1 (en)
MW (1) MW5091A1 (en)
MY (1) MY107139A (en)
NZ (1) NZ232892A (en)
PH (1) PH27030A (en)
PT (1) PT93425B (en)
ZA (1) ZA901713B (en)

Also Published As

Publication number Publication date
ZA901713B (en) 1990-12-28
DE69017205T2 (en) 1995-10-19
MY107139A (en) 1995-09-30
NZ232892A (en) 1991-11-26
KR920701565A (en) 1992-08-12
BG95308A (en) 1993-12-24
MW5091A1 (en) 1993-02-10
PT93425A (en) 1990-11-07
BR9007224A (en) 1992-02-18
GB8905942D0 (en) 1989-04-26
IN174412B (en) 1994-12-03
FI914276A0 (en) 1991-09-11
LTIP1852A (en) 1995-08-25
PT93425B (en) 1996-09-30
PH27030A (en) 1993-02-01
MC2179A1 (en) 1992-05-22
CA2048618A1 (en) 1990-09-16
CA2048618C (en) 2002-04-23
KR0151110B1 (en) 1999-05-15
DE69017205D1 (en) 1995-03-30

Similar Documents

Publication Publication Date Title
FI920875A7 (en) Method for deinking waste paper
FI922057L (en) Method for making paper
FI892475L (en) Method for making paper
FI944870L (en) Method and apparatus for sorting waste paper pulp
FI891523A7 (en) Foaming method for deinking printed waste paper
FI884987L (en) Method for making paper
FI881107L (en) Method for making paper
FI900707A7 (en) Paper machine related improvements
FI933066A7 (en) Method for deinking recycled paper pulp
FI915591L (en) Method for making paper pulp
FI873177L (en) Method for making paper
FI945669L (en) Waste paper processing method
FI885089A7 (en) Method for comminuting fibrous material
FI904384A0 (en) Method for making paper
FI924168A7 (en) Method for processing waste paper using enzymatic deinking
FI95604B (en) Device for removing ash from recycled waste paper
HU902372D0 (en) Waste paper processing method
DE58906706D1 (en) Deinking of waste paper.
GB2234761B (en) A method for processing waste paper
FI933299A7 (en) Waste paper deinking method
FI921815A7 (en) Method for treating waste paper in the presence of hydroxysulfonate salts
FI914276A7 (en) Deinking method for waste paper materials
FI945210A7 (en) Method and apparatus for disintegrating waste paper
DE59304192D1 (en) Waste paper digester
FI902034A0 (en) Method for analyzing paper

Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: WOODFREE LIMITED

FD Application lapsed