FI914517A - Foerfarande foer de-inking av avfalls- papper. - Google Patents

Foerfarande foer de-inking av avfalls- papper. Download PDF

Info

Publication number
FI914517A
FI914517A FI914517A FI914517A FI914517A FI 914517 A FI914517 A FI 914517A FI 914517 A FI914517 A FI 914517A FI 914517 A FI914517 A FI 914517A FI 914517 A FI914517 A FI 914517A
Authority
FI
Finland
Prior art keywords
avfalls
papper
inking
foerfarande foer
foerfarande
Prior art date
Application number
FI914517A
Other languages
English (en)
Other versions
FI914517A0 (fi
Inventor
John Stuart Cowman
Original Assignee
Sandoz Ag
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 claimed from GB909020967A external-priority patent/GB9020967D0/en
Priority claimed from GB909023076A external-priority patent/GB9023076D0/en
Priority claimed from GB909023077A external-priority patent/GB9023077D0/en
Application filed by Sandoz Ag filed Critical Sandoz Ag
Publication of FI914517A0 publication Critical patent/FI914517A0/fi
Publication of FI914517A publication Critical patent/FI914517A/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)
  • Paints Or Removers (AREA)
FI914517A 1990-09-26 1991-09-25 Foerfarande foer de-inking av avfalls- papper. FI914517A (fi)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB909020967A GB9020967D0 (en) 1990-09-26 1990-09-26 Improvements in or relating to organic compounds
GB909023076A GB9023076D0 (en) 1990-10-23 1990-10-23 Improvements in or relating to organic compounds
GB909023077A GB9023077D0 (en) 1990-10-23 1990-10-23 Improvements in or relating to organic compounds

Publications (2)

Publication Number Publication Date
FI914517A0 FI914517A0 (fi) 1991-09-25
FI914517A true FI914517A (fi) 1992-03-27

Family

ID=27265288

Family Applications (1)

Application Number Title Priority Date Filing Date
FI914517A FI914517A (fi) 1990-09-26 1991-09-25 Foerfarande foer de-inking av avfalls- papper.

Country Status (5)

Country Link
EP (1) EP0478505A3 (fi)
JP (1) JPH04234466A (fi)
AU (1) AU8472391A (fi)
CA (1) CA2052116A1 (fi)
FI (1) FI914517A (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4223485A1 (de) * 1992-07-17 1994-01-20 Voith Gmbh J M Verfahren zum Aufbereiten von Altpapier
JP3051826B2 (ja) * 1996-06-03 2000-06-12 花王株式会社 脱墨方法
DE19631150B4 (de) * 1996-08-01 2007-04-19 Süd-Chemie AG Verfahren zur Ablösung von Druckfarben (Deinking) von cellulosehaltigen Druckträgern
US6312559B1 (en) * 1996-10-02 2001-11-06 Kao Corporation Deinking process using amine compounds and white water recycling
FR2904011B1 (fr) * 2006-07-21 2011-03-18 Ct Tech De L Ind Du Papier Carton Et Cellulose Procede de reduction de la teneur en tensioactifs au cours du desencrage du papier et dispositif de desencrage mettant en oeuvre ce procede.
JP6774776B2 (ja) * 2016-04-08 2020-10-28 日華化学株式会社 脱墨パルプの製造方法
CN107476105B (zh) * 2017-07-17 2020-04-14 山东华泰纸业股份有限公司 一种废纸制浆过程中去除胶粘物的工艺

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013505A (en) * 1972-03-09 1977-03-22 Vyzkumny Ustav Papieru A Celulosy Method of deinking printed wastepapers
US4483741A (en) * 1982-08-10 1984-11-20 Economics Laboratory, Inc. Low-foaming, pH sensitive, alkylamine polyether surface active agents and methods for using

Also Published As

Publication number Publication date
FI914517A0 (fi) 1991-09-25
EP0478505A3 (en) 1993-09-01
EP0478505A2 (en) 1992-04-01
JPH04234466A (ja) 1992-08-24
AU8472391A (en) 1992-04-02
CA2052116A1 (en) 1992-03-27

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Legal Events

Date Code Title Description
FD Application lapsed