GB9407903D0 - Improvements in or relating to de-inking of paper - Google Patents

Improvements in or relating to de-inking of paper

Info

Publication number
GB9407903D0
GB9407903D0 GB9407903A GB9407903A GB9407903D0 GB 9407903 D0 GB9407903 D0 GB 9407903D0 GB 9407903 A GB9407903 A GB 9407903A GB 9407903 A GB9407903 A GB 9407903A GB 9407903 D0 GB9407903 D0 GB 9407903D0
Authority
GB
United Kingdom
Prior art keywords
inking
relating
paper
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.)
Granted
Application number
GB9407903A
Other versions
GB2277330A (en
GB2277330B (en
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.)
DOTSPEC Ltd
Original Assignee
DOTSPEC 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 DOTSPEC Ltd filed Critical DOTSPEC Ltd
Priority to GB9718716A priority Critical patent/GB2313608B/en
Publication of GB9407903D0 publication Critical patent/GB9407903D0/en
Publication of GB2277330A publication Critical patent/GB2277330A/en
Application granted granted Critical
Publication of GB2277330B publication Critical patent/GB2277330B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
GB9407903A 1993-04-21 1994-04-21 Improvements in or relating to deinking of paper Expired - Fee Related GB2277330B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9718716A GB2313608B (en) 1993-04-21 1994-04-21 Improvements in or relating to deinking of paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9308250A GB9308250D0 (en) 1993-04-21 1993-04-21 Improvements in or relating to deinking of paper

Publications (3)

Publication Number Publication Date
GB9407903D0 true GB9407903D0 (en) 1994-06-15
GB2277330A GB2277330A (en) 1994-10-26
GB2277330B GB2277330B (en) 1997-11-05

Family

ID=10734223

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9308250A Pending GB9308250D0 (en) 1993-04-21 1993-04-21 Improvements in or relating to deinking of paper
GB9407903A Expired - Fee Related GB2277330B (en) 1993-04-21 1994-04-21 Improvements in or relating to deinking of paper

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9308250A Pending GB9308250D0 (en) 1993-04-21 1993-04-21 Improvements in or relating to deinking 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 (8)

* 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
CN1077185C (en) * 1996-03-08 2002-01-02 维思特瓦苛有限公司 Magnetic deinking of waste paper
KR100301941B1 (en) * 1996-03-08 2001-10-29 루케 존 이에 Self-Destruction of Abolition
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
GB202217404D0 (en) * 2022-11-21 2023-01-04 Univ Swansea Conductive ink

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
WO1994024364A1 (en) 1994-10-27
GB2277330A (en) 1994-10-26
GB9308250D0 (en) 1993-06-02
GB2277330B (en) 1997-11-05
EP0697043A1 (en) 1996-02-21
FI954981A (en) 1995-10-19
BR9406482A (en) 1996-01-09
AU6542094A (en) 1994-11-08
CN1122151A (en) 1996-05-08
RU2126860C1 (en) 1999-02-27
FI954981A0 (en) 1995-10-19
CA2161094A1 (en) 1994-10-27
JPH08509030A (en) 1996-09-24

Similar Documents

Publication Publication Date Title
GB2277330B (en) Improvements in or relating to deinking of paper
GB2284788B (en) Improvements in or relating to relief printing
GB2271835B (en) Improvements in or relating to waterheaters
GB9501272D0 (en) Improvements in or relating to printing
GB2266269B (en) Improvements in or relating to printing machines
GB9323643D0 (en) Improvements in or relating to printing machines
GB2313608B (en) Improvements in or relating to deinking of paper
GB9217305D0 (en) Improvements in or relating to fluff pulps
GB9302813D0 (en) Improvements in or relating to paper and a method of making paper
GB9213694D0 (en) Improvements in or relating to neuroregeneration
GB2277453B (en) Improvements in or relating to skittles
GB2274621B (en) Improvements in or relating to cards
GB9313264D0 (en) Improvements in or relating to papermaking
GB9220351D0 (en) Improvements in and relating to paper machine felts
GB9302646D0 (en) Improvements in or relating to the patterming of tissue paper
GB9309685D0 (en) Improvements in and relating to paper machine felts
GB9210124D0 (en) Improvements in and relating to paper machine felts
GB9506125D0 (en) Improvements in or relating to can crushers
GB9326474D0 (en) Improvements in or relating to couplers
GB9419298D0 (en) Improvements in or relating to paper making processes
GB9520649D0 (en) Improvements in or relating to paper making processes
GB9302575D0 (en) Improvements in and relating to paper machine clothing
GB9207471D0 (en) Improvements in or relating to printing
GB9317045D0 (en) Improvements in or relating to skittles
GB9313593D0 (en) Improvements in or relating to carry-sack

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020421