DK510179A - Fremgangsmaade til afsvaertning af paatrykt gammelt papir - Google Patents
Fremgangsmaade til afsvaertning af paatrykt gammelt papirInfo
- Publication number
- DK510179A DK510179A DK510179A DK510179A DK510179A DK 510179 A DK510179 A DK 510179A DK 510179 A DK510179 A DK 510179A DK 510179 A DK510179 A DK 510179A DK 510179 A DK510179 A DK 510179A
- Authority
- DK
- Denmark
- Prior art keywords
- swarching
- procedure
- old paper
- printed
- printed old
- 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
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782856845 DE2856845A1 (de) | 1978-12-30 | 1978-12-30 | Verfahren zum deinken von bedrucktem altpapier |
Publications (1)
Publication Number | Publication Date |
---|---|
DK510179A true DK510179A (da) | 1980-07-01 |
Family
ID=6058741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK510179A DK510179A (da) | 1978-12-30 | 1979-11-30 | Fremgangsmaade til afsvaertning af paatrykt gammelt papir |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0013027B1 (da) |
AT (1) | AT373304B (da) |
DE (2) | DE2856845A1 (da) |
DK (1) | DK510179A (da) |
FI (1) | FI793756A (da) |
NO (1) | NO793905L (da) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3122911C2 (de) * | 1981-06-10 | 1983-04-28 | Benckiser-Knapsack Gmbh, 6802 Ladenburg | Verfahren zum Deinken von bedrucktem Altpapier |
SE439787B (sv) * | 1984-03-19 | 1985-07-01 | Berol Kemi Ab | Sett att reducera missfergning och/eller klibbighet vid upparbetning av avfallspapper |
US5286346A (en) * | 1988-11-23 | 1994-02-15 | Henkel Kommanditgesellschaft Auf Aktien | Deinking of wastepaper with quaternized hydroxyethyl cellulose |
DE4007596A1 (de) * | 1990-03-09 | 1991-09-12 | Henkel Kgaa | Alkylenoxideinheiten und quaternaere ammoniumgruppen enthaltende verbindungen |
DE4315449A1 (de) * | 1993-05-10 | 1994-11-17 | Henkel Kgaa | Verfahren zur Kontrolle des Absetzens klebender Verunreinigungen aus Papierstoff-Suspensionen |
US7169257B2 (en) | 2003-11-12 | 2007-01-30 | Kemira Chemicals, Inc. | Method of deinking waste paper using a reduced alkali system |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7700444A (nl) * | 1976-02-06 | 1977-08-09 | Henkel & Cie Gmbh | Wasmiddelen met een gehalte aan hydroxyalkyl- aminen. |
-
1978
- 1978-12-30 DE DE19782856845 patent/DE2856845A1/de not_active Withdrawn
-
1979
- 1979-11-30 NO NO793905A patent/NO793905L/no unknown
- 1979-11-30 DK DK510179A patent/DK510179A/da not_active Application Discontinuation
- 1979-11-30 FI FI793756A patent/FI793756A/fi not_active Application Discontinuation
- 1979-12-24 EP EP19790105370 patent/EP0013027B1/de not_active Expired
- 1979-12-24 DE DE7979105370T patent/DE2960542D1/de not_active Expired
- 1979-12-28 AT AT820379A patent/AT373304B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO793905L (no) | 1980-07-01 |
DE2856845A1 (de) | 1980-07-17 |
EP0013027A1 (de) | 1980-07-09 |
ATA820379A (de) | 1983-05-15 |
AT373304B (de) | 1984-01-10 |
EP0013027B1 (de) | 1981-07-29 |
FI793756A (fi) | 1980-07-01 |
DE2960542D1 (en) | 1981-10-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHS | Application shelved for other reasons than non-payment |