FI54819C - Foerfarande foer separat aotervinning av halvkemisk- och sulfatcellulosafiber ur wellpapp - Google Patents
Foerfarande foer separat aotervinning av halvkemisk- och sulfatcellulosafiber ur wellpappInfo
- Publication number
- FI54819C FI54819C FI295773A FI295773A FI54819C FI 54819 C FI54819 C FI 54819C FI 295773 A FI295773 A FI 295773A FI 295773 A FI295773 A FI 295773A FI 54819 C FI54819 C FI 54819C
- Authority
- FI
- Finland
- Prior art keywords
- wellpapp
- sulfatcellulosafiber
- halvkemisk
- aotervinning
- separat
- 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
-
- 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
-
- 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)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29195072A | 1972-09-25 | 1972-09-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI54819B FI54819B (fi) | 1978-11-30 |
| FI54819C true FI54819C (fi) | 1979-03-12 |
Family
ID=23122560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI295773A FI54819C (fi) | 1972-09-25 | 1973-09-21 | Foerfarande foer separat aotervinning av halvkemisk- och sulfatcellulosafiber ur wellpapp |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5146843B2 (fi) |
| BR (1) | BR7307407D0 (fi) |
| CA (1) | CA1018104A (fi) |
| ES (1) | ES418659A1 (fi) |
| FI (1) | FI54819C (fi) |
| FR (1) | FR2200401B1 (fi) |
| GB (1) | GB1432650A (fi) |
| IT (1) | IT995480B (fi) |
| SE (1) | SE401695B (fi) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2941898A1 (de) * | 1979-10-17 | 1981-04-30 | Hermann Finckh, Maschinenfabrik GmbH & Co, 7417 Pfullingen | Verfahren und einrichtung zum aufbereiten von altpapier |
| CA1127356A (en) * | 1980-01-17 | 1982-07-13 | Milos Stradal | Method and apparatus for preconditioning laminated paper for recycling |
| FR2522030A1 (fr) * | 1982-02-19 | 1983-08-26 | Scherb Metenett Papeteries | Procede de blanchiment selectif de pate a papier et papier obtenu par mise en oeuvre de ce procede |
| BRPI0412564A (pt) * | 2003-07-16 | 2006-09-19 | Fira Internat Ltd | método para a recuperação de um constituinte de um material em prancha |
| GB0316574D0 (en) * | 2003-07-16 | 2003-08-20 | Univ Wales | Recycling of wood based panels |
-
1973
- 1973-09-11 ES ES418659A patent/ES418659A1/es not_active Expired
- 1973-09-13 CA CA181,038A patent/CA1018104A/en not_active Expired
- 1973-09-19 FR FR7334422A patent/FR2200401B1/fr not_active Expired
- 1973-09-19 SE SE7312747A patent/SE401695B/xx unknown
- 1973-09-21 JP JP10685873A patent/JPS5146843B2/ja not_active Expired
- 1973-09-21 GB GB4442073A patent/GB1432650A/en not_active Expired
- 1973-09-21 FI FI295773A patent/FI54819C/fi active
- 1973-09-24 BR BR740773A patent/BR7307407D0/pt unknown
- 1973-09-25 IT IT2928973A patent/IT995480B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5146843B2 (fi) | 1976-12-11 |
| FI54819B (fi) | 1978-11-30 |
| GB1432650A (en) | 1976-04-22 |
| CA1018104A (en) | 1977-09-27 |
| ES418659A1 (es) | 1976-02-16 |
| SE401695B (sv) | 1978-05-22 |
| FR2200401A1 (fi) | 1974-04-19 |
| JPS4969903A (fi) | 1974-07-06 |
| FR2200401B1 (fi) | 1976-11-19 |
| IT995480B (it) | 1975-11-10 |
| DE2348146A1 (de) | 1974-04-04 |
| DE2348146B2 (de) | 1977-03-10 |
| BR7307407D0 (pt) | 1974-09-05 |
| SE7312747L (fi) | 1974-03-26 |
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