DD130266A1 - METHOD FOR INCREASING THE WHITE GRADE OF DEINKED AGING MATERIALS - Google Patents

METHOD FOR INCREASING THE WHITE GRADE OF DEINKED AGING MATERIALS

Info

Publication number
DD130266A1
DD130266A1 DD19819777A DD19819777A DD130266A1 DD 130266 A1 DD130266 A1 DD 130266A1 DD 19819777 A DD19819777 A DD 19819777A DD 19819777 A DD19819777 A DD 19819777A DD 130266 A1 DD130266 A1 DD 130266A1
Authority
DD
German Democratic Republic
Prior art keywords
deinked
increasing
aging materials
white grade
grade
Prior art date
Application number
DD19819777A
Other languages
German (de)
Other versions
DD130266B1 (en
Inventor
Manhart Schlegel
Original Assignee
Manhart Schlegel
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 Manhart Schlegel filed Critical Manhart Schlegel
Priority to DD19819777A priority Critical patent/DD130266B1/en
Priority to DE2803804A priority patent/DE2803804C2/en
Priority to AT112478A priority patent/AT363781B/en
Publication of DD130266A1 publication Critical patent/DD130266A1/en
Publication of DD130266B1 publication Critical patent/DD130266B1/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
    • 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
DD19819777A 1977-04-01 1977-04-01 METHOD FOR INCREASING THE WHITE GRADE OF DEINKED AGING MATERIALS DD130266B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DD19819777A DD130266B1 (en) 1977-04-01 1977-04-01 METHOD FOR INCREASING THE WHITE GRADE OF DEINKED AGING MATERIALS
DE2803804A DE2803804C2 (en) 1977-04-01 1978-01-28 Process for increasing the whiteness of deinked waste paper
AT112478A AT363781B (en) 1977-04-01 1978-02-16 METHOD FOR INCREASING THE WHITE DEGREE OF DEKIN WASTE PAPER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD19819777A DD130266B1 (en) 1977-04-01 1977-04-01 METHOD FOR INCREASING THE WHITE GRADE OF DEINKED AGING MATERIALS

Publications (2)

Publication Number Publication Date
DD130266A1 true DD130266A1 (en) 1978-03-15
DD130266B1 DD130266B1 (en) 1982-11-24

Family

ID=5507901

Family Applications (1)

Application Number Title Priority Date Filing Date
DD19819777A DD130266B1 (en) 1977-04-01 1977-04-01 METHOD FOR INCREASING THE WHITE GRADE OF DEINKED AGING MATERIALS

Country Status (3)

Country Link
AT (1) AT363781B (en)
DD (1) DD130266B1 (en)
DE (1) DE2803804C2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2813448B1 (en) * 1978-03-29 1978-09-21 Voith Gmbh J M Process and plant for recycling waste paper
FR2603917B1 (en) * 1986-09-15 1991-08-30 Lamort E & M PROCESS AND PLANT FOR PROCESSING OLD PRINTED PAPERS
US5308448A (en) * 1989-01-14 1994-05-03 Henkel Kommanditgesellschaft Auf Aktien Process for the flotation of fillers from deinked waste paper in the presence of surfactants containing sulfonate groups
DE102006057861A1 (en) * 2006-12-08 2008-06-12 Voith Patent Gmbh Method for treating a filtrate produced from a paper fiber suspension of waste paper comprises adding the filtrate partly to the paper fiber suspension at a site lying downstream of a thickening units from which the filtrate is produced

Also Published As

Publication number Publication date
ATA112478A (en) 1981-01-15
AT363781B (en) 1981-08-25
DE2803804A1 (en) 1978-10-12
DD130266B1 (en) 1982-11-24
DE2803804C2 (en) 1985-11-21

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