IT1140292B - PROCEDURE TO INCREASE THE SPECIFIC VOLUME IN THE PREPARATION OF A CARTACCIA MIXTURE - Google Patents
PROCEDURE TO INCREASE THE SPECIFIC VOLUME IN THE PREPARATION OF A CARTACCIA MIXTUREInfo
- Publication number
- IT1140292B IT1140292B IT2523981A IT2523981A IT1140292B IT 1140292 B IT1140292 B IT 1140292B IT 2523981 A IT2523981 A IT 2523981A IT 2523981 A IT2523981 A IT 2523981A IT 1140292 B IT1140292 B IT 1140292B
- Authority
- IT
- Italy
- Prior art keywords
- cartaccia
- procedure
- mixture
- preparation
- increase
- Prior art date
Links
Classifications
-
- 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
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/14—Secondary fibres
-
- 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 |
---|---|---|---|
CH8698/80A CH649330A5 (en) | 1980-11-25 | 1980-11-25 | Process for increasing the specific volume in the reprocessing of waste paper pulp |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8125239A0 IT8125239A0 (en) | 1981-11-24 |
IT1140292B true IT1140292B (en) | 1986-09-24 |
Family
ID=4343676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2523981A IT1140292B (en) | 1980-11-25 | 1981-11-24 | PROCEDURE TO INCREASE THE SPECIFIC VOLUME IN THE PREPARATION OF A CARTACCIA MIXTURE |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT378014B (en) |
CH (1) | CH649330A5 (en) |
DE (1) | DE3047017C2 (en) |
FR (1) | FR2494735B1 (en) |
IT (1) | IT1140292B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3510214A1 (en) * | 1985-03-21 | 1986-09-25 | J.M. Voith Gmbh, 7920 Heidenheim | METHOD FOR PROCESSING WASTE PAPER |
DE3728890C1 (en) * | 1987-08-29 | 1988-07-14 | Escher Wyss Gmbh | Process for regulating the specific dispersion work |
DE3827336A1 (en) * | 1988-08-12 | 1990-02-15 | Escher Wyss Gmbh | METHOD FOR TREATING THE SHORT FIBER FRACTION AFTER SEPARATING THE LONG FIBER FRACTION FROM A SECONDARY FIBER MIXTURE, ESPECIALLY FOR THE PRODUCTION OF CARTON BOXES |
US5501768A (en) * | 1992-04-17 | 1996-03-26 | Kimberly-Clark Corporation | Method of treating papermaking fibers for making tissue |
US5348620A (en) * | 1992-04-17 | 1994-09-20 | Kimberly-Clark Corporation | Method of treating papermaking fibers for making tissue |
DE19845513A1 (en) * | 1998-10-02 | 2000-04-06 | Voith Sulzer Papiertech Patent | For the disinfection of used paper materials it is compressed to extract the residual air for intensive heating followed by dispersion with added chemicals if required |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1473875A (en) * | 1965-08-20 | 1967-03-24 | Process and plant for breaking up paper fibers in the tank | |
CH574538A5 (en) * | 1974-02-26 | 1976-04-15 | Escher Wyss Gmbh | |
CA1054416A (en) * | 1976-10-18 | 1979-05-15 | Domtar Inc. | Method and apparatus for liberating the latent properties of a mechanical pulp |
-
1980
- 1980-11-25 CH CH8698/80A patent/CH649330A5/en not_active IP Right Cessation
- 1980-12-01 AT AT585280A patent/AT378014B/en not_active IP Right Cessation
- 1980-12-13 DE DE3047017A patent/DE3047017C2/en not_active Expired
-
1981
- 1981-11-24 FR FR8121947A patent/FR2494735B1/en not_active Expired
- 1981-11-24 IT IT2523981A patent/IT1140292B/en active
Also Published As
Publication number | Publication date |
---|---|
CH649330A5 (en) | 1985-05-15 |
ATA585280A (en) | 1984-01-15 |
FR2494735B1 (en) | 1985-11-15 |
DE3047017A1 (en) | 1982-07-22 |
DE3047017C2 (en) | 1984-08-09 |
IT8125239A0 (en) | 1981-11-24 |
FR2494735A1 (en) | 1982-05-28 |
AT378014B (en) | 1985-06-10 |
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