DE69300402D1 - Entfärbungsverfahren für Altpapier. - Google Patents

Entfärbungsverfahren für Altpapier.

Info

Publication number
DE69300402D1
DE69300402D1 DE69300402T DE69300402T DE69300402D1 DE 69300402 D1 DE69300402 D1 DE 69300402D1 DE 69300402 T DE69300402 T DE 69300402T DE 69300402 T DE69300402 T DE 69300402T DE 69300402 D1 DE69300402 D1 DE 69300402D1
Authority
DE
Germany
Prior art keywords
pulp
waste paper
wastepaper
less
decolorization process
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 - Fee Related
Application number
DE69300402T
Other languages
English (en)
Other versions
DE69300402T2 (de
Inventor
John Borchardt
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of DE69300402D1 publication Critical patent/DE69300402D1/de
Application granted granted Critical
Publication of DE69300402T2 publication Critical patent/DE69300402T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE1993600402 1992-02-26 1993-02-24 Entfärbungsverfahren für Altpapier. Expired - Fee Related DE69300402T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/842,851 US5225046A (en) 1992-02-26 1992-02-26 Wastepaper deinking process
PCT/EP1993/000436 WO1993017177A1 (en) 1992-02-26 1993-02-24 Wastepaper deinking process

Publications (2)

Publication Number Publication Date
DE69300402D1 true DE69300402D1 (de) 1995-09-28
DE69300402T2 DE69300402T2 (de) 1996-03-14

Family

ID=25288399

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993600402 Expired - Fee Related DE69300402T2 (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
US5582681A (en) * 1994-06-29 1996-12-10 Kimberly-Clark Corporation Production of soft paper products from old newspaper
US6001218A (en) * 1994-06-29 1999-12-14 Kimberly-Clark Worldwide, Inc. Production of soft paper products from old newspaper
US6074527A (en) * 1994-06-29 2000-06-13 Kimberly-Clark Worldwide, Inc. Production of soft paper products from coarse cellulosic fibers
US5544760A (en) * 1994-10-20 1996-08-13 Benn; Freddy W. Flotation of lead sulfides using rapeseed oil
ZA9510691B (en) * 1994-12-15 1996-09-13 Rhone Poulenc Inc Deinking composition and process
CA2165251A1 (en) * 1994-12-15 1996-06-16 Jill Marie Jobbins 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
DE10206913B4 (de) * 2001-02-19 2013-05-29 Pentax Ricoh Imaging Company, Ltd. Kamerasystem mit einem Kamerakörper und einem auswechselbaren Aufnahmeobjektiv
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
JP3176371B2 (ja) 2001-06-18
EP0628107A1 (de) 1994-12-14
KR950700462A (ko) 1995-01-16
DE69300402T2 (de) 1996-03-14
KR100251077B1 (ko) 2000-04-15
ATE126847T1 (de) 1995-09-15
WO1993017177A1 (en) 1993-09-02
JPH07504235A (ja) 1995-05-11
US5225046A (en) 1993-07-06
EP0628107B1 (de) 1995-08-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee