CA2287602C - Procede biologique de desencrage - Google Patents

Procede biologique de desencrage Download PDF

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Publication number
CA2287602C
CA2287602C CA 2287602 CA2287602A CA2287602C CA 2287602 C CA2287602 C CA 2287602C CA 2287602 CA2287602 CA 2287602 CA 2287602 A CA2287602 A CA 2287602A CA 2287602 C CA2287602 C CA 2287602C
Authority
CA
Canada
Prior art keywords
enzyme
printed paper
waste printed
pulp
ink particles
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 - Lifetime
Application number
CA 2287602
Other languages
English (en)
Other versions
CA2287602A1 (fr
Inventor
Tae Jin Eom
Steven Say-Kyoun Ow
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.)
Korea Research Institute of Chemical Technology KRICT
Original Assignee
Korea Research Institute of Chemical Technology KRICT
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 Korea Research Institute of Chemical Technology KRICT filed Critical Korea Research Institute of Chemical Technology KRICT
Publication of CA2287602A1 publication Critical patent/CA2287602A1/fr
Application granted granted Critical
Publication of CA2287602C publication Critical patent/CA2287602C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • 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
    • 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)
CA 2287602 1990-12-14 1990-12-14 Procede biologique de desencrage Expired - Lifetime CA2287602C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2032256 CA2032256C (fr) 1990-12-14 1990-12-14 Procede biologique de desencrage

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA 2032256 Division CA2032256C (fr) 1990-12-14 1990-12-14 Procede biologique de desencrage

Publications (2)

Publication Number Publication Date
CA2287602A1 CA2287602A1 (fr) 1992-06-15
CA2287602C true CA2287602C (fr) 2007-07-03

Family

ID=4146648

Family Applications (2)

Application Number Title Priority Date Filing Date
CA 2287602 Expired - Lifetime CA2287602C (fr) 1990-12-14 1990-12-14 Procede biologique de desencrage
CA 2032256 Expired - Lifetime CA2032256C (fr) 1990-12-14 1990-12-14 Procede biologique de desencrage

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA 2032256 Expired - Lifetime CA2032256C (fr) 1990-12-14 1990-12-14 Procede biologique de desencrage

Country Status (1)

Country Link
CA (2) CA2287602C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6426200B1 (en) 1994-09-15 2002-07-30 University Of Georgia Research Foundation, Inc. Methods for enzymatic deinking of waste paper
US7282113B2 (en) 2004-11-17 2007-10-16 Tritexco, Inc. Method for enzymatic deinking of waste papers, the waste papers so treated and the treating composition
JP6508816B2 (ja) 2011-10-27 2019-05-08 バックマン ラボラトリーズ インターナショナル，インコーポレイティド 製紙用の繊維を酵素処理する方法及び組成物、並びにそれにより作製された紙製品

Also Published As

Publication number Publication date
CA2032256C (fr) 2000-02-22
CA2287602A1 (fr) 1992-06-15
CA2032256A1 (fr) 1992-06-15

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121202