EP0712452A4 - Procede perfectionne de desencrage par agglomeration de l'encre - Google Patents

Procede perfectionne de desencrage par agglomeration de l'encre

Info

Publication number
EP0712452A4
EP0712452A4 EP94924565A EP94924565A EP0712452A4 EP 0712452 A4 EP0712452 A4 EP 0712452A4 EP 94924565 A EP94924565 A EP 94924565A EP 94924565 A EP94924565 A EP 94924565A EP 0712452 A4 EP0712452 A4 EP 0712452A4
Authority
EP
European Patent Office
Prior art keywords
deinking method
ink agglomeration
improved deinking
improved
agglomeration
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.)
Withdrawn
Application number
EP94924565A
Other languages
German (de)
English (en)
Other versions
EP0712452A1 (fr
Inventor
Narendra R Srivasta
Larry D Markham
Richard R Wesolowski
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.)
International Paper Co
Original Assignee
International Paper Co
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 International Paper Co filed Critical International Paper Co
Publication of EP0712452A1 publication Critical patent/EP0712452A1/fr
Publication of EP0712452A4 publication Critical patent/EP0712452A4/fr
Withdrawn legal-status Critical Current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
    • 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
EP94924565A 1993-08-02 1994-08-02 Procede perfectionne de desencrage par agglomeration de l'encre Withdrawn EP0712452A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10088693A 1993-08-02 1993-08-02
US100886 1993-08-02
PCT/US1994/008774 WO1995004187A1 (fr) 1993-08-02 1994-08-02 Procede perfectionne de desencrage par agglomeration de l'encre

Publications (2)

Publication Number Publication Date
EP0712452A1 EP0712452A1 (fr) 1996-05-22
EP0712452A4 true EP0712452A4 (fr) 1999-04-21

Family

ID=22282034

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94924565A Withdrawn EP0712452A4 (fr) 1993-08-02 1994-08-02 Procede perfectionne de desencrage par agglomeration de l'encre

Country Status (4)

Country Link
EP (1) EP0712452A4 (fr)
AU (1) AU7479994A (fr)
CA (1) CA2168578A1 (fr)
WO (1) WO1995004187A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113060944A (zh) * 2021-03-25 2021-07-02 肥西常福中空玻璃厂 一种玻璃脱墨设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0510954A1 (fr) * 1991-04-25 1992-10-28 Betz Europe, Inc. Procédé et composition pour désencrer du vieux papier imprimé électrostatiquement avec un toner
WO1993007331A1 (fr) * 1991-10-03 1993-04-15 International Paper Company Procede ameliore de desencrage par agglomeration d'encre

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561933A (en) * 1983-10-17 1985-12-31 Shell Oil Company Xerographics deinking
US4820379A (en) * 1986-10-16 1989-04-11 Ppg Industries, Inc. Method for deinking wastepaper with a halogenated polyethylene oxide and a polymeric material
US4895622A (en) * 1988-11-09 1990-01-23 Betz Laboratories, Inc. Press felt conditioner for neutral and alkaline papermaking systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0510954A1 (fr) * 1991-04-25 1992-10-28 Betz Europe, Inc. Procédé et composition pour désencrer du vieux papier imprimé électrostatiquement avec un toner
WO1993007331A1 (fr) * 1991-10-03 1993-04-15 International Paper Company Procede ameliore de desencrage par agglomeration d'encre

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9504187A1 *

Also Published As

Publication number Publication date
AU7479994A (en) 1995-02-28
WO1995004187A1 (fr) 1995-02-09
EP0712452A1 (fr) 1996-05-22
CA2168578A1 (fr) 1995-02-09

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Legal Events

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