WO2002057538A3 - Neutral deinking with a deinking composition comprising a lipase and a fatty acid ester - Google Patents

Neutral deinking with a deinking composition comprising a lipase and a fatty acid ester Download PDF

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Publication number
WO2002057538A3
WO2002057538A3 PCT/US2002/001207 US0201207W WO02057538A3 WO 2002057538 A3 WO2002057538 A3 WO 2002057538A3 US 0201207 W US0201207 W US 0201207W WO 02057538 A3 WO02057538 A3 WO 02057538A3
Authority
WO
WIPO (PCT)
Prior art keywords
deinking
lipase
fatty acid
acid ester
neutral
Prior art date
Application number
PCT/US2002/001207
Other languages
French (fr)
Other versions
WO2002057538A2 (en
Inventor
Neal Franks
Kelly W Page
Original Assignee
Novozymes North America 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 Novozymes North America Inc filed Critical Novozymes North America Inc
Priority to CA 2434304 priority Critical patent/CA2434304A1/en
Priority to EP20020709051 priority patent/EP1364089A2/en
Publication of WO2002057538A2 publication Critical patent/WO2002057538A2/en
Publication of WO2002057538A3 publication Critical patent/WO2002057538A3/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
    • D21C5/025—De-inking
    • D21C5/027—Chemicals therefor
    • 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
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
    • 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)

Abstract

The present invention relates to methods for deinking wastepaper by pulping wastepaper at a pH between 4 and 8.5 in the presence of deinking agents comprising a lipase and a fatty acid ester and removing the thereby dislodged ink particles.
PCT/US2002/001207 2001-01-16 2002-01-16 Neutral deinking with a deinking composition comprising a lipase and a fatty acid ester WO2002057538A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA 2434304 CA2434304A1 (en) 2001-01-16 2002-01-16 Neutral deinking with a deinking composition comprising a lipase and a fatty acid ester
EP20020709051 EP1364089A2 (en) 2001-01-16 2002-01-16 Neutral deinking with a deinking composition comprising a lipase and a fatty acid ester

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26178401P 2001-01-16 2001-01-16
US60/261,784 2001-01-16

Publications (2)

Publication Number Publication Date
WO2002057538A2 WO2002057538A2 (en) 2002-07-25
WO2002057538A3 true WO2002057538A3 (en) 2002-09-26

Family

ID=22994853

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/001207 WO2002057538A2 (en) 2001-01-16 2002-01-16 Neutral deinking with a deinking composition comprising a lipase and a fatty acid ester

Country Status (5)

Country Link
US (2) US20020157798A1 (en)
EP (1) EP1364089A2 (en)
CN (1) CN1494625A (en)
CA (1) CA2434304A1 (en)
WO (1) WO2002057538A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7169257B2 (en) * 2003-11-12 2007-01-30 Kemira Chemicals, Inc. Method of deinking waste paper using a reduced alkali system
US7348172B2 (en) 2004-04-16 2008-03-25 Ab Enzymes Oy Method and DNA constructs for increasing the production level of carbohydrate degrading enzymes in filamentous fungi
DE602005021479D1 (en) * 2004-04-16 2010-07-08 Ab Enzymes Oy METHOD AND DNA CONSTRUCTS FOR INCREASING THE PRODUCTION LEVELS OF CARBOHYDRATE REMAINING ENZYMES IN FILAMENTOUS MUSHROOMS
CN1312353C (en) * 2004-11-24 2007-04-25 深圳市绿微康生物工程有限公司 New process for lipase waste paper deinking
EP2534295B1 (en) 2010-02-12 2018-06-13 Kemira Oyj Method for removing ink from paper
CN106087510B (en) * 2016-07-29 2018-06-01 广州造纸股份有限公司 A kind of fatty acid soaps deinking agent and its preparation method and application
CN108485368A (en) * 2018-05-07 2018-09-04 句容市兴武包装有限公司 A kind of efficient neutral deinking agent and preparation method thereof
CN109821896B (en) * 2019-02-22 2020-11-03 天津科技大学 Method for extracting starch organic matter from waste paper pulp and purifying pulp by enzyme pretreatment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0280684A (en) * 1988-09-09 1990-03-20 Lion Corp Ink-removing agent
JPH03249291A (en) * 1990-02-22 1991-11-07 Kurita Water Ind Ltd Method for deinking waste paper
WO1993022491A1 (en) * 1992-04-23 1993-11-11 Henkel Corporation Deinking chemicals
WO1996000811A1 (en) * 1994-06-29 1996-01-11 Scott Paper Company Production of soft paper products from old newspaper

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0280684A (en) * 1988-09-09 1990-03-20 Lion Corp Ink-removing agent
JPH03249291A (en) * 1990-02-22 1991-11-07 Kurita Water Ind Ltd Method for deinking waste paper
WO1993022491A1 (en) * 1992-04-23 1993-11-11 Henkel Corporation Deinking chemicals
WO1996000811A1 (en) * 1994-06-29 1996-01-11 Scott Paper Company Production of soft paper products from old newspaper

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 275 (C - 0728) 14 June 1990 (1990-06-14) *
PATENT ABSTRACTS OF JAPAN vol. 016, no. 043 (C - 0907) 4 February 1992 (1992-02-04) *

Also Published As

Publication number Publication date
WO2002057538A2 (en) 2002-07-25
EP1364089A2 (en) 2003-11-26
US20040099385A1 (en) 2004-05-27
CN1494625A (en) 2004-05-05
US20020157798A1 (en) 2002-10-31
CA2434304A1 (en) 2002-07-25

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