CA1151812A - Methode de desencrage des fibres secondaires - Google Patents

Methode de desencrage des fibres secondaires

Info

Publication number
CA1151812A
CA1151812A CA000364507A CA364507A CA1151812A CA 1151812 A CA1151812 A CA 1151812A CA 000364507 A CA000364507 A CA 000364507A CA 364507 A CA364507 A CA 364507A CA 1151812 A CA1151812 A CA 1151812A
Authority
CA
Canada
Prior art keywords
fiber
group
deinking
aqueous
secondary fiber
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
Application number
CA000364507A
Other languages
English (en)
Inventor
James E. Maloney
Thomas R. Oakes
Richard E. Freis
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.)
Ecolab Inc
Original Assignee
Economics Laboratory Inc
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 Economics Laboratory Inc filed Critical Economics Laboratory Inc
Application granted granted Critical
Publication of CA1151812A publication Critical patent/CA1151812A/fr
Expired 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
    • 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)
  • Detergent Compositions (AREA)
  • Artificial Filaments (AREA)
CA000364507A 1979-11-13 1980-11-12 Methode de desencrage des fibres secondaires Expired CA1151812A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9374479A 1979-11-13 1979-11-13
US093,744 1979-11-13

Publications (1)

Publication Number Publication Date
CA1151812A true CA1151812A (fr) 1983-08-16

Family

ID=22240461

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000364507A Expired CA1151812A (fr) 1979-11-13 1980-11-12 Methode de desencrage des fibres secondaires

Country Status (7)

Country Link
BR (1) BR8007390A (fr)
CA (1) CA1151812A (fr)
FI (1) FI73015C (fr)
GB (1) GB2063326B (fr)
IT (1) IT1134201B (fr)
NO (1) NO160385C (fr)
SE (4) SE456250B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4820379A (en) * 1986-10-16 1989-04-11 Ppg Industries, Inc. Method for deinking wastepaper with a halogenated polyethylene oxide and a polymeric material
WO1990010749A1 (fr) * 1989-03-15 1990-09-20 Bdl Specialist Products Limited Procede permettant d'enlever l'encre de materiaux a base de vieux papiers
US5417808A (en) * 1991-08-30 1995-05-23 Lion Corporation Deinking composition for flotation and deinking method
DE69303264T2 (de) * 1993-02-10 1996-10-31 Lion Corp Entfärbungszusammensetzung zur Flotation und Entfärbungsverfahren
CN1143399A (zh) * 1994-03-08 1997-02-19 巴科曼实验室国际公司 印刷油墨聚集的方法和在其中使用的配方
EP1309754A2 (fr) * 2000-08-07 2003-05-14 Kao Specialties Americas Procede de desencrage par flottation
WO2015006362A1 (fr) * 2013-07-11 2015-01-15 Invista Technologies S.A.R.L. Procédés d'élimination de contaminants d'une matière cellulosique

Also Published As

Publication number Publication date
SE8601383L (sv) 1986-03-25
SE8601383D0 (sv) 1986-03-25
SE456252B (sv) 1988-09-19
BR8007390A (pt) 1981-05-26
SE8601385D0 (sv) 1986-03-25
FI73015B (fi) 1987-04-30
SE8601384D0 (sv) 1986-03-25
IT1134201B (it) 1986-08-13
FI803553L (fi) 1981-05-14
NO803412L (no) 1981-05-14
SE456251B (sv) 1988-09-19
SE456250B (sv) 1988-09-19
SE8007949L (sv) 1981-05-14
GB2063326B (en) 1984-10-03
SE8601385L (sv) 1986-03-25
IT8025845A0 (it) 1980-11-07
FI73015C (fi) 1987-08-10
NO160385B (no) 1989-01-02
SE456253B (sv) 1988-09-19
SE8601384L (sv) 1986-03-25
GB2063326A (en) 1981-06-03
NO160385C (no) 1989-04-12

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Legal Events

Date Code Title Description
MKEX Expiry