IT7927342A0 - METHOD FOR THE RECOVERY OF CELLULOSE FIBERS FROM A RAW MATERIAL CONSISTING OF SIMILAR WASTE PAPER. - Google Patents
METHOD FOR THE RECOVERY OF CELLULOSE FIBERS FROM A RAW MATERIAL CONSISTING OF SIMILAR WASTE PAPER.Info
- Publication number
- IT7927342A0 IT7927342A0 IT7927342A IT2734279A IT7927342A0 IT 7927342 A0 IT7927342 A0 IT 7927342A0 IT 7927342 A IT7927342 A IT 7927342A IT 2734279 A IT2734279 A IT 2734279A IT 7927342 A0 IT7927342 A0 IT 7927342A0
- Authority
- IT
- Italy
- Prior art keywords
- recovery
- raw material
- cellulose fibers
- waste paper
- material consisting
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title 1
- 239000001913 cellulose Substances 0.000 title 1
- 239000000835 fiber Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000010893 paper waste Substances 0.000 title 1
- 239000002994 raw material Substances 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
- D21F1/70—Pulp catching, de-watering, or recovering; Re-use of pulp-water by flotation
-
- 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
-
- 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
- D21B1/325—Defibrating by other means of waste paper de-inking devices
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7811866A SE431570B (en) | 1978-11-17 | 1978-11-17 | PROCEDURE FOR RECOVERY OF CELLULOSA FIBERS FROM RECOVERY PAPERS |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7927342A0 true IT7927342A0 (en) | 1979-11-16 |
IT1127240B IT1127240B (en) | 1986-05-21 |
Family
ID=20336388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2734279A IT1127240B (en) | 1978-11-17 | 1979-11-16 | METHOD FOR THE RECOVERY OF CELLULOSE FIBERS FROM A RAW MATERIAL CONSTITUTED FROM WASTE PAPER AND SIMILAR |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2946160A1 (en) |
FR (1) | FR2441680A1 (en) |
GB (1) | GB2036603B (en) |
IT (1) | IT1127240B (en) |
SE (1) | SE431570B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1155310B (en) * | 1982-04-19 | 1987-01-28 | Jean Marie Clement | PROCESS FOR THE RECYCLING PROCESS OF PAPER PRINTED FROM MACERO |
DE4034054C1 (en) * | 1990-10-26 | 1992-04-02 | Feldmuehle Ag, 4000 Duesseldorf, De | |
DE4238336A1 (en) * | 1992-11-13 | 1994-05-19 | Voith Gmbh J M | Used paper suspension cleaning process and appts. - has thickener or washer for sludge from flotation unit to be returned to the flotation stage |
DE19702060A1 (en) * | 1997-01-22 | 1998-07-23 | Voith Sulzer Stoffaufbereitung | Separation of printing ink from paper fibre suspension |
DE19733059C2 (en) * | 1997-07-31 | 1999-09-02 | Voith Sulzer Stoffaufbereitung | Method and device for removing solids from an aqueous fiber suspension |
EP0931872B1 (en) | 1998-01-23 | 2003-04-09 | Voith Paper Patent GmbH | Process for removing fine contaminants from a fibre suspension |
DE19806732A1 (en) * | 1998-01-23 | 1999-07-29 | Voith Sulzer Papiertech Patent | Process for removing fine impurities from a fiber suspension |
DE10015355A1 (en) * | 2000-03-28 | 2001-10-04 | Voith Paper Patent Gmbh | Removal of fine- and micro-sticky particles from suspensions of waste paper fibers, combines fine fractionation screening with froth flotation |
DE10116368A1 (en) * | 2001-04-02 | 2002-10-10 | Voith Paper Patent Gmbh | Process for processing waste paper containing wood pulp |
AT412288B (en) * | 2003-02-25 | 2004-12-27 | Andritz Ag Maschf | METHOD AND DEVICE FOR VENTILATING SUSPENSIONS |
AT501868B1 (en) * | 2005-06-13 | 2007-04-15 | Andritz Ag Maschf | METHOD FOR THE RECYCLING OF FILLERS AND PIGMENTS OF PAPER, PAPER OR CARTON MANUFACTURING |
DE102008009134A1 (en) * | 2008-02-14 | 2009-08-20 | Voith Patent Gmbh | Removing impurities from aqueous fibrous material suspension formed from printed waste paper, comprises forming fine fraction and rough fraction from the material suspension by fractionating, and treating the fine fraction in a floatation |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL278502A (en) * | 1961-05-18 | 1900-01-01 | ||
DE2610581B1 (en) * | 1976-03-13 | 1977-08-11 | Voith Gmbh J M | METHOD AND DEVICE FOR THE OBTAINING RELATIVELY PURE FIBER SUSPENSIONS IN THE PROCESSING OF WASTE PAPER |
-
1978
- 1978-11-17 SE SE7811866A patent/SE431570B/en not_active IP Right Cessation
-
1979
- 1979-11-12 GB GB7939081A patent/GB2036603B/en not_active Expired
- 1979-11-15 DE DE19792946160 patent/DE2946160A1/en not_active Withdrawn
- 1979-11-16 IT IT2734279A patent/IT1127240B/en active
- 1979-11-16 FR FR7928376A patent/FR2441680A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2036603A (en) | 1980-07-02 |
FR2441680A1 (en) | 1980-06-13 |
FR2441680B1 (en) | 1981-12-24 |
DE2946160A1 (en) | 1980-05-29 |
SE7811866L (en) | 1980-05-18 |
IT1127240B (en) | 1986-05-21 |
GB2036603B (en) | 1982-08-04 |
SE431570B (en) | 1984-02-13 |
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