CA2032256A1 - Procede biologique de desencrage - Google Patents
Procede biologique de desencrageInfo
- Publication number
- CA2032256A1 CA2032256A1 CA2032256A CA2032256A CA2032256A1 CA 2032256 A1 CA2032256 A1 CA 2032256A1 CA 2032256 A CA2032256 A CA 2032256A CA 2032256 A CA2032256 A CA 2032256A CA 2032256 A1 CA2032256 A1 CA 2032256A1
- Authority
- CA
- Canada
- Prior art keywords
- biological method
- printed wastepaper
- deinking printed
- deinking
- wastepaper
- 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.)
- Granted
Links
- 239000010893 paper waste Substances 0.000 title abstract 3
- 238000010170 biological method Methods 0.000 title abstract 2
- 239000002761 deinking Substances 0.000 title abstract 2
- 108010059892 Cellulase Proteins 0.000 abstract 1
- 229940106157 cellulase Drugs 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 238000009291 froth flotation Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
-
- 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
-
- 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
- Paper (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2032256 CA2032256C (fr) | 1990-12-14 | 1990-12-14 | Procede biologique de desencrage |
CA 2287602 CA2287602C (fr) | 1990-12-14 | 1990-12-14 | Procede biologique de desencrage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2032256 CA2032256C (fr) | 1990-12-14 | 1990-12-14 | Procede biologique de desencrage |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2287602 Division CA2287602C (fr) | 1990-12-14 | 1990-12-14 | Procede biologique de desencrage |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2032256A1 true CA2032256A1 (fr) | 1992-06-15 |
CA2032256C CA2032256C (fr) | 2000-02-22 |
Family
ID=4146648
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2287602 Expired - Lifetime CA2287602C (fr) | 1990-12-14 | 1990-12-14 | Procede biologique de desencrage |
CA 2032256 Expired - Lifetime CA2032256C (fr) | 1990-12-14 | 1990-12-14 | Procede biologique de desencrage |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2287602 Expired - Lifetime CA2287602C (fr) | 1990-12-14 | 1990-12-14 | Procede biologique de desencrage |
Country Status (1)
Country | Link |
---|---|
CA (2) | CA2287602C (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6426200B1 (en) | 1994-09-15 | 2002-07-30 | University Of Georgia Research Foundation, Inc. | Methods for enzymatic deinking of waste paper |
US7282113B2 (en) | 2004-11-17 | 2007-10-16 | Tritexco, Inc. | Method for enzymatic deinking of waste papers, the waste papers so treated and the treating composition |
US8784613B2 (en) | 2011-10-27 | 2014-07-22 | Buckman Laboratories International, Inc. | Method and composition for enzymatic treatment of fiber for papermaking, and paper products made therewith |
-
1990
- 1990-12-14 CA CA 2287602 patent/CA2287602C/fr not_active Expired - Lifetime
- 1990-12-14 CA CA 2032256 patent/CA2032256C/fr not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6426200B1 (en) | 1994-09-15 | 2002-07-30 | University Of Georgia Research Foundation, Inc. | Methods for enzymatic deinking of waste paper |
US6767728B2 (en) | 1994-09-15 | 2004-07-27 | University Of Georgia Research Foundation, Inc. | Composition for enzymatic deinking of waste paper |
US7282113B2 (en) | 2004-11-17 | 2007-10-16 | Tritexco, Inc. | Method for enzymatic deinking of waste papers, the waste papers so treated and the treating composition |
US8784613B2 (en) | 2011-10-27 | 2014-07-22 | Buckman Laboratories International, Inc. | Method and composition for enzymatic treatment of fiber for papermaking, and paper products made therewith |
Also Published As
Publication number | Publication date |
---|---|
CA2287602A1 (fr) | 1992-06-15 |
CA2287602C (fr) | 2007-07-03 |
CA2032256C (fr) | 2000-02-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |