EP0793747A4 - Methods for pulping and deinking - Google Patents

Methods for pulping and deinking

Info

Publication number
EP0793747A4
EP0793747A4 EP95941475A EP95941475A EP0793747A4 EP 0793747 A4 EP0793747 A4 EP 0793747A4 EP 95941475 A EP95941475 A EP 95941475A EP 95941475 A EP95941475 A EP 95941475A EP 0793747 A4 EP0793747 A4 EP 0793747A4
Authority
EP
European Patent Office
Prior art keywords
deinking
pulping
methods
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.)
Withdrawn
Application number
EP95941475A
Other languages
German (de)
French (fr)
Other versions
EP0793747A1 (en
Inventor
Don R Scott
William J Fondow
Albert S Kelly
David C Grantz
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.)
Thermo Black Clawson Inc
Original Assignee
Black Clawson Co
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 Black Clawson Co filed Critical Black Clawson Co
Publication of EP0793747A1 publication Critical patent/EP0793747A1/en
Publication of EP0793747A4 publication Critical patent/EP0793747A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00Fibrous raw materials or their mechanical treatment
    • D21B1/04Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30Defibrating by other means
    • D21B1/34Kneading or mixing; Pulpers
    • D21B1/345Pulpers
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00Fibrous raw materials or their mechanical treatment
    • D21B1/04Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30Defibrating by other means
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00Fibrous raw materials or their mechanical treatment
    • D21B1/04Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30Defibrating by other means
    • D21B1/32Defibrating by other means of waste paper
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00Fibrous raw materials or their mechanical treatment
    • D21B1/04Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30Defibrating by other means
    • D21B1/34Kneading or mixing; Pulpers
    • D21B1/342Mixing apparatus
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/64Paper recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
EP95941475A 1994-11-21 1995-11-20 Methods for pulping and deinking Withdrawn EP0793747A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US34285294A 1994-11-21 1994-11-21
US342852 1994-11-21
PCT/US1995/015356 WO1996016222A1 (en) 1994-11-21 1995-11-20 Methods for pulping and deinking

Publications (2)

Publication Number Publication Date
EP0793747A1 EP0793747A1 (en) 1997-09-10
EP0793747A4 true EP0793747A4 (en) 1999-05-26

Family

ID=23343549

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95941475A Withdrawn EP0793747A4 (en) 1994-11-21 1995-11-20 Methods for pulping and deinking

Country Status (5)

Country Link
EP (1) EP0793747A4 (en)
JP (1) JP2001500572A (en)
BR (1) BR9509797A (en)
CA (1) CA2203676A1 (en)
WO (1) WO1996016222A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0931872B1 (en) 1998-01-23 2003-04-09 Voith Paper Patent GmbH Process for removing fine contaminants from a fibre suspension
KR100288123B1 (en) * 1998-06-27 2001-05-02 김충섭 Recycling Method of Corrugated Cardboard Using Floating and Kneading Treatment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3439098A1 (en) * 1984-08-30 1986-03-13 Sulzer-Escher Wyss GmbH, 7980 Ravensburg Process and arrangement for paper stock preparation
US5302245A (en) * 1991-04-02 1994-04-12 Vps Technology Partnership Integrated wastepaper treatment process

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE380845B (en) * 1973-03-19 1975-11-17 Mo WAY TO PRODUCE PULP OF WASTE PAPER
CH654360A5 (en) * 1981-12-10 1986-02-14 Escher Wyss Gmbh METHOD FOR SOLVING WASTE PAPER IN THE THICKENING AREA.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3439098A1 (en) * 1984-08-30 1986-03-13 Sulzer-Escher Wyss GmbH, 7980 Ravensburg Process and arrangement for paper stock preparation
US5302245A (en) * 1991-04-02 1994-04-12 Vps Technology Partnership Integrated wastepaper treatment process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9616222A1 *

Also Published As

Publication number Publication date
CA2203676A1 (en) 1996-05-30
EP0793747A1 (en) 1997-09-10
JP2001500572A (en) 2001-01-16
WO1996016222A1 (en) 1996-05-30
BR9509797A (en) 1997-09-30

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