GB2313608B - Improvements in or relating to deinking of paper - Google Patents

Improvements in or relating to deinking of paper

Info

Publication number
GB2313608B
GB2313608B GB9718716A GB9718716A GB2313608B GB 2313608 B GB2313608 B GB 2313608B GB 9718716 A GB9718716 A GB 9718716A GB 9718716 A GB9718716 A GB 9718716A GB 2313608 B GB2313608 B GB 2313608B
Authority
GB
United Kingdom
Prior art keywords
deinking
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.)
Expired - Fee Related
Application number
GB9718716A
Other versions
GB9718716D0 (en
GB2313608A (en
Inventor
David Owen
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
Priority claimed from GB9308250A external-priority patent/GB9308250D0/en
Application filed by DOTSPEC Ltd filed Critical DOTSPEC Ltd
Priority to GB9718716A priority Critical patent/GB2313608B/en
Publication of GB9718716D0 publication Critical patent/GB9718716D0/en
Publication of GB2313608A publication Critical patent/GB2313608A/en
Application granted granted Critical
Publication of GB2313608B publication Critical patent/GB2313608B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
GB9718716A 1993-04-21 1994-04-21 Improvements in or relating to deinking of paper Expired - Fee Related GB2313608B (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 (3)

Application Number Priority Date Filing Date Title
GB9308250A GB9308250D0 (en) 1993-04-21 1993-04-21 Improvements in or relating to deinking of paper
GB9407903A GB2277330B (en) 1993-04-21 1994-04-21 Improvements in or relating to deinking of paper
GB9718716A GB2313608B (en) 1993-04-21 1994-04-21 Improvements in or relating to deinking of paper

Publications (3)

Publication Number Publication Date
GB9718716D0 GB9718716D0 (en) 1997-11-12
GB2313608A GB2313608A (en) 1997-12-03
GB2313608B true GB2313608B (en) 1998-01-21

Family

ID=26302787

Family Applications (1)

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

Country Status (1)

Country Link
GB (1) GB2313608B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103303019A (en) * 2013-06-26 2013-09-18 常熟印刷厂有限公司 Printing method of magnetic publication

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273847A (en) * 1976-07-30 1981-06-16 Epp Corp. Inks for pulsed electrical printing and methods of producing same
EP0067687A2 (en) * 1981-06-12 1982-12-22 Matsushita Electric Industrial Co., Ltd. Magnetofluidographic or jet-ink
JPS63288770A (en) * 1987-05-20 1988-11-25 Mitsubishi Pencil Co Ltd Ink and printer equipped with ink occluding materials using said ink
WO1992015648A1 (en) * 1991-02-27 1992-09-17 British Ceramic Research Limited Improved ink

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273847A (en) * 1976-07-30 1981-06-16 Epp Corp. Inks for pulsed electrical printing and methods of producing same
EP0067687A2 (en) * 1981-06-12 1982-12-22 Matsushita Electric Industrial Co., Ltd. Magnetofluidographic or jet-ink
JPS63288770A (en) * 1987-05-20 1988-11-25 Mitsubishi Pencil Co Ltd Ink and printer equipped with ink occluding materials using said ink
WO1992015648A1 (en) * 1991-02-27 1992-09-17 British Ceramic Research Limited Improved ink

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WPI Abstract Accession No. 89-012298/8902 & JP 63 288770 A *

Also Published As

Publication number Publication date
GB9718716D0 (en) 1997-11-12
GB2313608A (en) 1997-12-03

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Legal Events

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

Effective date: 20020421