CA2022778A1 - Method for processing waste paper - Google Patents

Method for processing waste paper

Info

Publication number
CA2022778A1
CA2022778A1 CA 2022778 CA2022778A CA2022778A1 CA 2022778 A1 CA2022778 A1 CA 2022778A1 CA 2022778 CA2022778 CA 2022778 CA 2022778 A CA2022778 A CA 2022778A CA 2022778 A1 CA2022778 A1 CA 2022778A1
Authority
CA
Canada
Prior art keywords
pulper
waste paper
rotor
slushing
screening
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.)
Abandoned
Application number
CA 2022778
Other languages
English (en)
French (fr)
Inventor
Wilfried Keck
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.)
JM Voith GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2022778A1 publication Critical patent/CA2022778A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/32—Defibrating by other means of waste paper
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Processing Of Solid Wastes (AREA)
CA 2022778 1989-08-10 1990-08-07 Method for processing waste paper Abandoned CA2022778A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3926439 1989-08-10
DEP3926439.4 1989-08-10

Publications (1)

Publication Number Publication Date
CA2022778A1 true CA2022778A1 (en) 1991-02-11

Family

ID=6386864

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2022778 Abandoned CA2022778A1 (en) 1989-08-10 1990-08-07 Method for processing waste paper

Country Status (9)

Country Link
JP (1) JPH0397984A (da)
BR (1) BR9003941A (da)
CA (1) CA2022778A1 (da)
CH (1) CH681993A5 (da)
DE (1) DE4024561C2 (da)
ES (1) ES2024904A6 (da)
FR (1) FR2650768B1 (da)
GB (1) GB2234761B (da)
NL (1) NL9001790A (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6228212B1 (en) * 1999-04-19 2001-05-08 Voith Sultzer Paper Technology North America, Inc. Method of removing wax from cellulosic fiber used in a fiber suspension for a paper-making machine
KR20020088227A (ko) * 2001-05-18 2002-11-27 김대식 펄프분해장치
DE10255314B4 (de) * 2002-11-27 2006-04-13 Voith Paper Patent Gmbh Verfahren zur Herstellung einer wässrigen Suspension aus faserhaltigem Material
JP5266588B2 (ja) * 2009-04-07 2013-08-21 デュプロ精工株式会社 再生パルプ製造装置、古紙処理装置及び古紙処理方法
JP2011127227A (ja) * 2009-12-15 2011-06-30 Duplo Seiko Corp 古紙処理装置
JP2014025158A (ja) * 2012-07-25 2014-02-06 Relief Niigata Co 湿潤擂潰パルプの製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2311674C3 (de) * 1973-03-09 1978-01-19 Degussa Verfahren zum regenerieren von altpapier
AT365676B (de) * 1979-05-04 1982-02-10 Escher Wyss Gmbh Anlage zur aufbereitung von altpapier
US4370172A (en) * 1981-03-17 1983-01-25 Compagnie De Construction Mecanique Sulzer, French Societe Anonyme Controlled vortex pump feed for supplying cellulose-containing material to reaction vessel
DE3149135C2 (de) * 1981-12-11 1986-05-22 Sulzer-Escher Wyss GmbH, 7980 Ravensburg Vorrichtung zum Auflösen von Altpapier im Dickstoffbereich
DE3311082A1 (de) * 1983-03-26 1984-09-27 J.M. Voith Gmbh, 7920 Heidenheim Verfahren und einrichtung zur entsorgung eines stoffloesers
DE3522395C1 (de) * 1985-06-22 1986-11-20 J.M. Voith Gmbh, 7920 Heidenheim Verfahren und Anordnung zur Aufarbeitung von Altpapier
DE3704461A1 (de) * 1987-01-20 1988-07-28 Escher Wyss Gmbh Verfahren und anlage zur aufloesung von papierstoff
US4812205A (en) * 1988-01-25 1989-03-14 Beloit Corporation Process for secondary fibre processing

Also Published As

Publication number Publication date
FR2650768B1 (fr) 1993-07-23
CH681993A5 (da) 1993-06-30
DE4024561A1 (de) 1991-02-14
DE4024561C2 (de) 1999-12-02
JPH0397984A (ja) 1991-04-23
BR9003941A (pt) 1991-09-03
GB9014856D0 (en) 1990-08-22
ES2024904A6 (es) 1992-03-01
GB2234761B (en) 1993-06-09
NL9001790A (nl) 1991-03-01
FR2650768A1 (fr) 1991-02-15
GB2234761A (en) 1991-02-13

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Legal Events

Date Code Title Description
FZDE Discontinued
FZDE Discontinued

Effective date: 19980807