CH208192A - Process for the production of paper with the removal of printing ink from printed paper. - Google Patents

Process for the production of paper with the removal of printing ink from printed paper.

Info

Publication number
CH208192A
CH208192A CH208192DA CH208192A CH 208192 A CH208192 A CH 208192A CH 208192D A CH208192D A CH 208192DA CH 208192 A CH208192 A CH 208192A
Authority
CH
Switzerland
Prior art keywords
paper
removal
production
printing ink
printed
Prior art date
Application number
Other languages
German (de)
Inventor
Rassow Berthold Dr Prof
Edgar Dr Herfurth
Original Assignee
Rassow Berthold Dr Prof
Edgar Dr Herfurth
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 Rassow Berthold Dr Prof, Edgar Dr Herfurth filed Critical Rassow Berthold Dr Prof
Publication of CH208192A publication Critical patent/CH208192A/en

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
    • D21C5/027—Chemicals therefor
    • 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

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Paper (AREA)
CH208192D 1937-07-24 1938-07-21 Process for the production of paper with the removal of printing ink from printed paper. CH208192A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE208192X 1937-07-24

Publications (1)

Publication Number Publication Date
CH208192A true CH208192A (en) 1940-01-15

Family

ID=5794105

Family Applications (1)

Application Number Title Priority Date Filing Date
CH208192D CH208192A (en) 1937-07-24 1938-07-21 Process for the production of paper with the removal of printing ink from printed paper.

Country Status (4)

Country Link
CH (1) CH208192A (en)
FR (1) FR841053A (en)
GB (1) GB506472A (en)
NL (1) NL52906C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502330A (en) * 1943-03-01 1950-03-28 Clarence E Libby Washing paper pulp to remove coloring matter

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2743178A (en) * 1948-07-19 1956-04-24 Krodel Process for de-inking printed waste paper
AU626654B2 (en) * 1989-03-15 1992-08-06 Woodfree Limited Method of de-inking waste paper materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502330A (en) * 1943-03-01 1950-03-28 Clarence E Libby Washing paper pulp to remove coloring matter

Also Published As

Publication number Publication date
GB506472A (en) 1939-05-30
NL52906C (en) 1900-01-01
FR841053A (en) 1939-05-10

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