DE59304192D1 - Waste paper digester - Google Patents
Waste paper digesterInfo
- Publication number
- DE59304192D1 DE59304192D1 DE59304192T DE59304192T DE59304192D1 DE 59304192 D1 DE59304192 D1 DE 59304192D1 DE 59304192 T DE59304192 T DE 59304192T DE 59304192 T DE59304192 T DE 59304192T DE 59304192 D1 DE59304192 D1 DE 59304192D1
- Authority
- DE
- Germany
- Prior art keywords
- digester
- waste paper
- waste
- paper
- paper digester
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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
- 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
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/345—Pulpers
-
- 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4241039 | 1992-12-05 | ||
DE19934305687 DE4305687A1 (en) | 1992-12-05 | 1993-02-25 | Waste paper digester |
Publications (1)
Publication Number | Publication Date |
---|---|
DE59304192D1 true DE59304192D1 (en) | 1996-11-21 |
Family
ID=6474520
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19934305687 Withdrawn DE4305687A1 (en) | 1992-12-05 | 1993-02-25 | Waste paper digester |
DE59304192T Expired - Fee Related DE59304192D1 (en) | 1992-12-05 | 1993-11-12 | Waste paper digester |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19934305687 Withdrawn DE4305687A1 (en) | 1992-12-05 | 1993-02-25 | Waste paper digester |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR940015096A (en) |
DE (2) | DE4305687A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19904349A1 (en) * | 1998-12-17 | 2000-06-21 | Voith Sulzer Papiertech Patent | Pulping used paper for recycling has a loosening stage where the hydrogen bridges are broken by steam or gas before a mechanical stirring stage to prepare a suspension for the separation of impurities |
DK2163683T3 (en) * | 2008-08-28 | 2011-04-26 | Hans-Joachim Boltersdorf | Pulps with a sieve plate and use of such pulps |
-
1993
- 1993-02-25 DE DE19934305687 patent/DE4305687A1/en not_active Withdrawn
- 1993-11-12 DE DE59304192T patent/DE59304192D1/en not_active Expired - Fee Related
- 1993-11-23 KR KR1019930024985A patent/KR940015096A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE4305687A1 (en) | 1994-06-09 |
KR940015096A (en) | 1994-07-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |