FI954981A0 - Improvements in or in connection with decolorization of paper - Google Patents

Improvements in or in connection with decolorization of paper

Info

Publication number
FI954981A0
FI954981A0 FI954981A FI954981A FI954981A0 FI 954981 A0 FI954981 A0 FI 954981A0 FI 954981 A FI954981 A FI 954981A FI 954981 A FI954981 A FI 954981A FI 954981 A0 FI954981 A0 FI 954981A0
Authority
FI
Finland
Prior art keywords
decolorization
paper
connection
Prior art date
Application number
FI954981A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI954981A (en
Inventor
David Owen
Original Assignee
Chemisolv Ltd
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 Chemisolv Ltd filed Critical Chemisolv Ltd
Publication of FI954981A publication Critical patent/FI954981A/en
Publication of FI954981A0 publication Critical patent/FI954981A0/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/002—High gradient magnetic separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/005—Pretreatment specially adapted for magnetic separation
    • B03C1/01—Pretreatment specially adapted for magnetic separation by addition of magnetic adjuvants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/04—Magnetic separation acting directly on the substance being separated with the material carriers in the form of trays or with tables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/26—Magnetic separation acting directly on the substance being separated with free falling material
    • 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
FI954981A 1993-04-21 1995-10-19 Improvements in or in connection with decolorization of paper FI954981A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9308250A GB9308250D0 (en) 1993-04-21 1993-04-21 Improvements in or relating to deinking of paper
PCT/GB1994/000842 WO1994024364A1 (en) 1993-04-21 1994-04-21 Improvements in or relating to deinking of paper

Publications (2)

Publication Number Publication Date
FI954981A FI954981A (en) 1995-10-19
FI954981A0 true FI954981A0 (en) 1995-10-19

Family

ID=10734223

Family Applications (1)

Application Number Title Priority Date Filing Date
FI954981A FI954981A0 (en) 1993-04-21 1995-10-19 Improvements in or in connection with decolorization of paper

Country Status (10)

Country Link
EP (1) EP0697043A1 (en)
JP (1) JPH08509030A (en)
CN (1) CN1122151A (en)
AU (1) AU6542094A (en)
BR (1) BR9406482A (en)
CA (1) CA2161094A1 (en)
FI (1) FI954981A0 (en)
GB (2) GB9308250D0 (en)
RU (1) RU2126860C1 (en)
WO (1) WO1994024364A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2123328A1 (en) * 1993-12-13 1995-06-14 Kimberly-Clark Worldwide, Inc. Magnetic deinking
US5527426A (en) * 1994-01-21 1996-06-18 Westvaco Corporation Magnetic deinking of waste papers
KR100301941B1 (en) * 1996-03-08 2001-10-29 루케 존 이에 Self-Destruction of Abolition
CN1077185C (en) * 1996-03-08 2002-01-02 维思特瓦苛有限公司 Magnetic deinking of waste paper
CN1081259C (en) * 1996-03-22 2002-03-20 曾其祥 Method for removing spots on mica papermaking paper surface and its equipment
JP6458530B2 (en) * 2015-02-16 2019-01-30 セイコーエプソン株式会社 Sheet manufacturing apparatus, sheet manufacturing method, waste paper processing apparatus
CN104827372B (en) * 2015-04-28 2017-03-01 西南交通大学 A kind of printing paper machinery de-inking method and its device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1009804A (en) * 1973-10-25 1977-05-10 National Research Council Of Canada Ink removal from waste paper
US4273847A (en) * 1976-07-30 1981-06-16 Epp Corp. Inks for pulsed electrical printing and methods of producing same
US4176054A (en) * 1977-05-16 1979-11-27 Kelley Joseph A Waste paper recycling
US4187463A (en) * 1978-04-20 1980-02-05 Gilbert Kivenson Counterfeit detector for paper currency
JPS57205466A (en) * 1981-06-12 1982-12-16 Matsushita Electric Ind Co Ltd Magnetic ink for recording
JPS63288770A (en) * 1987-05-20 1988-11-25 Mitsubishi Pencil Co Ltd Ink and printer equipped with ink occluding materials using said ink
JPS6456156A (en) * 1987-08-26 1989-03-03 Meiwa Seishi Genryo Kk Separation and recovering method for paper pulp component from magnetic recording paper and device used therefor
JPH01184048A (en) * 1988-01-18 1989-07-21 Meiwa Seishi Genryo Kk Separation and recovery of discarded magnetic and non-magnetic recording papers from the mixture thereof and apparatus therefor
GB9104171D0 (en) * 1991-02-27 1991-04-17 British Ceramic Res Ltd Improved ink
DE4124990A1 (en) * 1991-07-27 1993-01-28 Voith Gmbh J M Recycled paper suspension - flows through a channel with a magnetic field to separate ferromagnetic material
US5217573A (en) * 1992-04-23 1993-06-08 International Paper Company Removal of laser printer and xerographic ink from recycle paper

Also Published As

Publication number Publication date
FI954981A (en) 1995-10-19
GB2277330A (en) 1994-10-26
GB2277330B (en) 1997-11-05
CA2161094A1 (en) 1994-10-27
CN1122151A (en) 1996-05-08
EP0697043A1 (en) 1996-02-21
GB9308250D0 (en) 1993-06-02
BR9406482A (en) 1996-01-09
JPH08509030A (en) 1996-09-24
RU2126860C1 (en) 1999-02-27
GB9407903D0 (en) 1994-06-15
AU6542094A (en) 1994-11-08
WO1994024364A1 (en) 1994-10-27

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