AU3623497A - Use of complexing agents for cellulose and wood bleaching, paper production and used paper deinking - Google Patents
Use of complexing agents for cellulose and wood bleaching, paper production and used paper deinkingInfo
- Publication number
- AU3623497A AU3623497A AU36234/97A AU3623497A AU3623497A AU 3623497 A AU3623497 A AU 3623497A AU 36234/97 A AU36234/97 A AU 36234/97A AU 3623497 A AU3623497 A AU 3623497A AU 3623497 A AU3623497 A AU 3623497A
- Authority
- AU
- Australia
- Prior art keywords
- cellulose
- complexing agents
- paper
- deinking
- wood bleaching
- 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.)
- Withdrawn
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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
-
- 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
- D21C5/025—De-inking
- D21C5/027—Chemicals therefor
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1042—Use of chelating agents
-
- 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
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1996130278 DE19630278A1 (en) | 1996-07-26 | 1996-07-26 | Complexing agent for pulp and pulp bleaching, paper production and deinking of waste paper |
DE19630278 | 1996-07-26 | ||
PCT/EP1997/003741 WO1998004775A1 (en) | 1996-07-26 | 1997-07-14 | Use of complexing agents for cellulose and wood bleaching, paper production and used paper deinking |
Publications (1)
Publication Number | Publication Date |
---|---|
AU3623497A true AU3623497A (en) | 1998-02-20 |
Family
ID=7800989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU36234/97A Withdrawn AU3623497A (en) | 1996-07-26 | 1997-07-14 | Use of complexing agents for cellulose and wood bleaching, paper production and used paper deinking |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU3623497A (en) |
DE (1) | DE19630278A1 (en) |
WO (1) | WO1998004775A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2333772A (en) * | 1998-01-31 | 1999-08-04 | Procter & Gamble | Complexing agents (eg ethylenediamine disuccinic acid) for use in selectively complexing copper, iron, zinc, nickel and cobalt in the presence of calcium |
BE1011784A3 (en) * | 1998-03-10 | 2000-01-11 | Solvay | Bleaching pulp process. |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4128084A1 (en) * | 1991-08-24 | 1993-02-25 | Basf Ag | Beta-alanine-N,N-di:acetic acid, alkali or ammonium salt complex former in paper mfr. - useful for biodegradable alkaline earth and heavy metal ion complexant in bleaching mechanical wood pulp and printed waste paper de inking |
GB9216408D0 (en) * | 1992-08-01 | 1992-09-16 | Procter & Gamble | Stabilized bleaching compositions |
CA2157463A1 (en) * | 1993-03-05 | 1994-09-15 | Christopher Mark Perkins | Detergent compositions containing ethylenediamine-n, n'-diglutaric acid or 2-hydroxypropylenediamine-n, n'-disuccinic acid |
CA2160701A1 (en) * | 1993-05-20 | 1994-12-08 | David Alan Wilson | Succinic acid derivative degradable chelants, uses and compositions thereof |
FI115469B (en) * | 1996-02-19 | 2005-05-13 | Kemira Oyj | Process for the treatment of chemical cellulose material |
FI115642B (en) * | 1996-02-19 | 2005-06-15 | Kemira Oyj | Bleaching process for high yields |
-
1996
- 1996-07-26 DE DE1996130278 patent/DE19630278A1/en not_active Withdrawn
-
1997
- 1997-07-14 WO PCT/EP1997/003741 patent/WO1998004775A1/en active Application Filing
- 1997-07-14 AU AU36234/97A patent/AU3623497A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO1998004775A1 (en) | 1998-02-05 |
DE19630278A1 (en) | 1998-01-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2210397A (en) | Tissue paper containing chemically softened coarse cellulose fibers | |
EP0930394A4 (en) | Bulking agents for paper, high-bulkiness pulp sheets, and process for the production of the sheets | |
IL142357A0 (en) | Composites containing cellulosic pulp fibers and methods of making and using the same | |
AU5923799A (en) | Compressible wood pulp product | |
HUP9802173A3 (en) | Use of agents for cellulose and paper production | |
AU1584295A (en) | Pulp bleaching | |
AU2484888A (en) | Market paper pulp, process for making market paper pulp and use of such pulp in papermaking | |
AU4963996A (en) | Stickies removal in wastepaper pulping | |
AU2348495A (en) | Method for preparing delignified and bleached chemical paper pulps | |
GB9505332D0 (en) | Process and agent for the oxidative bleaching of wood pulp and for deinking waste paper | |
AU2392095A (en) | Deinking agent and process for deinking printed wastepaper | |
AU3602295A (en) | Process for delignification and bleaching of chemical wood pulps | |
AU5704398A (en) | Treatment process for cellulosic fibers | |
AU5396200A (en) | Bleaching of lignin and process for producing paper | |
AU2312797A (en) | Oxygen delignification of pulp in two stages | |
AU3623497A (en) | Use of complexing agents for cellulose and wood bleaching, paper production and used paper deinking | |
AU646403B2 (en) | Enzymatic composition for treating wood pulp | |
AU6880094A (en) | Oxygen delignification method incorporating wood pulp mixing apparatus | |
AU7990391A (en) | Beta -xylanase preparation, process for the preparation thereof and its use in pulp bleaching | |
AU5785096A (en) | Bleaching of cellulose pulp in one and the same stage with a complexing agent, a molybdenum containing substance and an oxidative bleaching agent | |
AU6206094A (en) | Chemical paper pulp delignification method | |
AU5056198A (en) | Bleaching of cellulosic pulp with ozone and peracid | |
AU7720094A (en) | Improved method for bleaching lignocellulosic pulp | |
AU6141198A (en) | Apparatus and associated method for defibering paper or dry pulp | |
AU3330599A (en) | Method for bleaching and/or delignification of paper pulp |