FR2329795A1 - Procede et equipement de desencrage de papiers de recuperation pour la preparation de pate a papier - Google Patents

Procede et equipement de desencrage de papiers de recuperation pour la preparation de pate a papier

Info

Publication number
FR2329795A1
FR2329795A1 FR7532848A FR7532848A FR2329795A1 FR 2329795 A1 FR2329795 A1 FR 2329795A1 FR 7532848 A FR7532848 A FR 7532848A FR 7532848 A FR7532848 A FR 7532848A FR 2329795 A1 FR2329795 A1 FR 2329795A1
Authority
FR
France
Prior art keywords
ink
scum
pulp
waste paper
removable
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Withdrawn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
FR7532848A
Other languages
English (en)
Inventor
Roger Hily
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.)
Individual
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
Priority to FR7532848A priority Critical patent/FR2329795A1/fr
Publication of FR2329795A1 publication Critical patent/FR2329795A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • D21B1/325—Defibrating by other means of waste paper de-inking devices
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
FR7532848A 1975-10-28 1975-10-28 Procede et equipement de desencrage de papiers de recuperation pour la preparation de pate a papier Withdrawn FR2329795A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7532848A FR2329795A1 (fr) 1975-10-28 1975-10-28 Procede et equipement de desencrage de papiers de recuperation pour la preparation de pate a papier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7532848A FR2329795A1 (fr) 1975-10-28 1975-10-28 Procede et equipement de desencrage de papiers de recuperation pour la preparation de pate a papier

Publications (1)

Publication Number Publication Date
FR2329795A1 true FR2329795A1 (fr) 1977-05-27

Family

ID=9161707

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7532848A Withdrawn FR2329795A1 (fr) 1975-10-28 1975-10-28 Procede et equipement de desencrage de papiers de recuperation pour la preparation de pate a papier

Country Status (1)

Country Link
FR (1) FR2329795A1 (fr)

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Legal Events

Date Code Title Description
ST Notification of lapse