AT363781B - METHOD FOR INCREASING THE WHITE DEGREE OF DEKIN WASTE PAPER - Google Patents
METHOD FOR INCREASING THE WHITE DEGREE OF DEKIN WASTE PAPERInfo
- Publication number
- AT363781B AT363781B AT112478A AT112478A AT363781B AT 363781 B AT363781 B AT 363781B AT 112478 A AT112478 A AT 112478A AT 112478 A AT112478 A AT 112478A AT 363781 B AT363781 B AT 363781B
- Authority
- AT
- Austria
- Prior art keywords
- dekin
- increasing
- waste paper
- white degree
- white
- Prior art date
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
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 |
---|---|
ATA112478A ATA112478A (en) | 1981-01-15 |
AT363781B true AT363781B (en) | 1981-08-25 |
Family
ID=5507901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT112478A AT363781B (en) | 1977-04-01 | 1978-02-16 | METHOD FOR INCREASING THE WHITE DEGREE OF DEKIN WASTE PAPER |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT363781B (en) |
DD (1) | DD130266B1 (en) |
DE (1) | DE2803804C2 (en) |
Families Citing this family (4)
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 |
-
1977
- 1977-04-01 DD DD19819777A patent/DD130266B1/en unknown
-
1978
- 1978-01-28 DE DE2803804A patent/DE2803804C2/en not_active Expired
- 1978-02-16 AT AT112478A patent/AT363781B/en active
Also Published As
Publication number | Publication date |
---|---|
DE2803804C2 (en) | 1985-11-21 |
DD130266A1 (en) | 1978-03-15 |
ATA112478A (en) | 1981-01-15 |
DD130266B1 (en) | 1982-11-24 |
DE2803804A1 (en) | 1978-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification |