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ATE126847T1 - Entfärbungsverfahren für altpapier. - Google Patents

Entfärbungsverfahren für altpapier.

Info

Publication number
ATE126847T1
ATE126847T1 AT93905276T AT93905276T ATE126847T1 AT E126847 T1 ATE126847 T1 AT E126847T1 AT 93905276 T AT93905276 T AT 93905276T AT 93905276 T AT93905276 T AT 93905276T AT E126847 T1 ATE126847 T1 AT E126847T1
Authority
AT
Austria
Prior art keywords
pulp
waste paper
wastepaper
less
deinking
Prior art date
Application number
AT93905276T
Other languages
English (en)
Inventor
John Keith Borchardt
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Application granted granted Critical
Publication of ATE126847T1 publication Critical patent/ATE126847T1/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
    • D21H5/20—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of organic non-cellulosic fibres too short for spinning, with or without cellulose fibres
    • D21H5/202—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of organic non-cellulosic fibres too short for spinning, with or without cellulose fibres polyolefins
    • 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

Landscapes

  • Paper (AREA)
AT93905276T 1992-02-26 1993-02-24 Entfärbungsverfahren für altpapier. ATE126847T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/842,851 US5225046A (en) 1992-02-26 1992-02-26 Wastepaper deinking process

Publications (1)

Publication Number Publication Date
ATE126847T1 true ATE126847T1 (de) 1995-09-15

Family

ID=25288399

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93905276T ATE126847T1 (de) 1992-02-26 1993-02-24 Entfärbungsverfahren für altpapier.

Country Status (7)

Country Link
US (1) US5225046A (de)
EP (1) EP0628107B1 (de)
JP (1) JP3176371B2 (de)
KR (1) KR100251077B1 (de)
AT (1) ATE126847T1 (de)
DE (1) DE69300402T2 (de)
WO (1) WO1993017177A1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2664627B1 (fr) * 1990-07-12 1995-11-24 Tech Ind Papiers C Centre Procede pour desencrer les papiers imprimes.
CA2065101C (en) * 1991-04-05 2003-03-18 Koji Hamaguchi Deinking composition and deinking method
US5500082A (en) * 1993-04-26 1996-03-19 North Carolina State University Deinking of xerographic printed wastepaper using long chain alcohol
DE4317466A1 (de) * 1993-05-26 1994-12-01 Degussa Verbessertes Verfahren zur Bleiche von Holzstoffen
US5593543A (en) * 1993-08-26 1997-01-14 Henkel Corporation Process for repulping wet strength paper
CH687209A5 (de) * 1993-12-07 1996-10-15 Utzenstorf Papierfabrik Ag Verfahren zur Aufbereitung von Altpapier fuer die Papierproduktion.
US5527426A (en) * 1994-01-21 1996-06-18 Westvaco Corporation Magnetic deinking of waste papers
AU677468B2 (en) * 1994-02-02 1997-04-24 Hercules Incorporated Felt conditioner for deinked recycled newsprint papermaking systems
US6074527A (en) * 1994-06-29 2000-06-13 Kimberly-Clark Worldwide, Inc. Production of soft paper products from coarse cellulosic fibers
US6001218A (en) * 1994-06-29 1999-12-14 Kimberly-Clark Worldwide, Inc. Production of soft paper products from old newspaper
US5582681A (en) * 1994-06-29 1996-12-10 Kimberly-Clark Corporation Production of soft paper products from old newspaper
US5544760A (en) * 1994-10-20 1996-08-13 Benn; Freddy W. Flotation of lead sulfides using rapeseed oil
CA2165251A1 (en) * 1994-12-15 1996-06-16 Jill Marie Jobbins Deinking composition and process
ZA9510691B (en) * 1994-12-15 1996-09-13 Rhone Poulenc Inc Deinking composition and process
US5601689A (en) * 1995-02-27 1997-02-11 Xerox Corporation Deinking processes
US5882476A (en) * 1995-05-05 1999-03-16 Solvay Minerals, Inc. Deinking printed wastepaper using alkaline solution containing sodium sulfite and sodium carbonate
US5651861A (en) * 1995-12-18 1997-07-29 Rhone-Poulenc Inc. Process for removing inks from waste paper
JP3051826B2 (ja) 1996-06-03 2000-06-12 花王株式会社 脱墨方法
US6296736B1 (en) 1997-10-30 2001-10-02 Kimberly-Clark Worldwide, Inc. Process for modifying pulp from recycled newspapers
US6387210B1 (en) 1998-09-30 2002-05-14 Kimberly-Clark Worldwide, Inc. Method of making sanitary paper product from coarse fibers
US6784146B1 (en) 2000-10-27 2004-08-31 Kemira Chemicals, Inc. Deinking method and composition for wastepaper
GB2374154B (en) * 2001-02-19 2004-09-22 Asahi Optical Co Ltd A camera system having a communication system between a camera body and a photographing lens
US6666950B2 (en) 2001-11-28 2003-12-23 Basf Ag Process for deinking paper using a triglyceride
DE10254862A1 (de) * 2002-11-25 2004-06-03 Degussa Ag Verfahren zur Druckfarbenentfärbung aus Altpapier durch Flotationsdeinking
US7169257B2 (en) * 2003-11-12 2007-01-30 Kemira Chemicals, Inc. Method of deinking waste paper using a reduced alkali system
US7897010B2 (en) * 2006-01-09 2011-03-01 Kemira Chemicals, Inc. Method for deinking pulp using premixed hydrophobically modified calcium carbonate particles
US7862685B2 (en) * 2006-01-09 2011-01-04 Kemira Chemicals, Inc. Method for deinking pulp using premixed hydrophobically modified calcium carbonate particles
US8052837B2 (en) * 2006-06-12 2011-11-08 Thiele Kaolin Company Deinking of waste paper
US8815051B2 (en) 2006-06-12 2014-08-26 Thiele Kaolin Company Deinking of waste paper
JP5317572B2 (ja) * 2008-08-08 2013-10-16 太平洋セメント株式会社 石灰石の不純物除去方法
US8317973B2 (en) 2009-11-11 2012-11-27 Kemira Chemical, Inc. Polyester surfactants for deinking
JP6443291B2 (ja) * 2015-10-07 2018-12-26 王子ホールディングス株式会社 脱墨パルプの製造方法
US11447914B2 (en) 2017-12-07 2022-09-20 Thiele Kaolin Company Removal of stickies in the recycling of paper and paperboard
JP7035533B2 (ja) * 2017-12-28 2022-03-15 セイコーエプソン株式会社 処理装置、シート製造装置および処理方法
JP7115525B2 (ja) * 2020-10-14 2022-08-09 栗田工業株式会社 製紙工程におけるピッチ含有被処理水の処理方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2143912C3 (de) * 1971-09-02 1980-03-27 Henkel Kgaa, 4000 Duesseldorf Verfahren zum Entfärben von bedrucktem Altpapier
DE2816148B1 (de) * 1978-04-14 1978-10-12 Voith Gmbh J M Verfahren zum Wiederaufbereiten von Papieren
DE2919866A1 (de) * 1978-05-22 1979-11-29 Wiggins Teape Group Ltd Verfahren zur rueckgewinnung von fasern
US4450043A (en) * 1982-03-12 1984-05-22 Appleton Papers Inc. Method for recovering pulp from pressure-sensitive carbonless copying paper waste
FR2550561B1 (fr) * 1983-08-08 1986-08-08 Interox Procede pour la regeneration des vieux papiers
JP2553696B2 (ja) * 1989-03-24 1996-11-13 松下電器産業株式会社 多色発光薄膜エレクトロルミネセンス装置
FR2664627B1 (fr) * 1990-07-12 1995-11-24 Tech Ind Papiers C Centre Procede pour desencrer les papiers imprimes.

Also Published As

Publication number Publication date
EP0628107B1 (de) 1995-08-23
DE69300402D1 (de) 1995-09-28
WO1993017177A1 (en) 1993-09-02
EP0628107A1 (de) 1994-12-14
JP3176371B2 (ja) 2001-06-18
US5225046A (en) 1993-07-06
DE69300402T2 (de) 1996-03-14
KR100251077B1 (ko) 2000-04-15
JPH07504235A (ja) 1995-05-11
KR950700462A (ko) 1995-01-16

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee