GB2421516A - A method and a device for precipitating calcium carbonate in a fibre material - Google Patents
A method and a device for precipitating calcium carbonate in a fibre material Download PDFInfo
- Publication number
- GB2421516A GB2421516A GB0601623A GB0601623A GB2421516A GB 2421516 A GB2421516 A GB 2421516A GB 0601623 A GB0601623 A GB 0601623A GB 0601623 A GB0601623 A GB 0601623A GB 2421516 A GB2421516 A GB 2421516A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fibre material
- calcium carbonate
- directed
- precipitating calcium
- carbon dioxide
- 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
- 239000000463 material Substances 0.000 title abstract 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title abstract 6
- 239000000835 fiber Substances 0.000 title abstract 6
- 229910000019 calcium carbonate Inorganic materials 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 230000001376 precipitating effect Effects 0.000 title abstract 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 4
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 2
- 239000001569 carbon dioxide Substances 0.000 abstract 2
- 229940043430 calcium compound Drugs 0.000 abstract 1
- 150000001674 calcium compounds Chemical class 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
Classifications
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/70—Inorganic compounds forming new compounds in situ, e.g. within the pulp or paper, by chemical reaction with other substances added separately
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
In the method for precipitating calcium carbonate in the cellulose-based fibre material, the calcium compound is first directed to the fibre material, after which carbon dioxide is directed to this fibre material and the material is mixed in order to precipitate the calcium carbonate in the fibres. The carbon dioxide is directed to the fibre material, which is in a consistency of 3 to 5%, after which the fibre material is supplied in this consistency area through a mixing zone (Z) and brought on the mixing zone in question under hydraulic cutting forces in a defibrator (C; C1, C2), wherein the blade distance on said zone (Z) is in the area of 0.5 to 1.5 mm.
Description
GB 2421516 A continuation (72) Inventor(s): Matti Sipilä (74) Agent and/or
Address for Service: Hoffmann Eitle Sardinia House, Sardinia Street,
52 Lincoln's Inn Fields, LONDON,
WC2A 3LZ, United Kingdom
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20031134A FI120462B (en) | 2003-08-06 | 2003-08-06 | Method and apparatus for precipitating calcium carbonate in a fibrous material |
| PCT/FI2004/000445 WO2005014929A1 (en) | 2003-08-06 | 2004-07-12 | A method and a device for precipitating calcium carbonate in a fibre material |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB0601623D0 GB0601623D0 (en) | 2006-03-08 |
| GB2421516A true GB2421516A (en) | 2006-06-28 |
| GB2421516B GB2421516B (en) | 2007-04-18 |
Family
ID=27838821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0601623A Expired - Fee Related GB2421516B (en) | 2003-08-06 | 2004-07-12 | A method and a device for precipitating calcium carbonate in a fibre material |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE112004001436T5 (en) |
| FI (1) | FI120462B (en) |
| GB (1) | GB2421516B (en) |
| WO (1) | WO2005014929A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8808503B2 (en) * | 2009-02-02 | 2014-08-19 | John Klungness | Fiber loading improvements in papermaking |
| DE102016116650A1 (en) | 2016-09-06 | 2018-03-08 | Papiertechnische Stiftung | Compound with a dry matter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020092636A1 (en) * | 2000-07-13 | 2002-07-18 | Voith Paper Patent Gmbh | Process and device for loading fibers with calcium carbonate |
| WO2003006740A1 (en) * | 2001-07-11 | 2003-01-23 | Voith Paper Patent Gmbh | Method of loading a fiber suspension with calcium carbonate |
| US20030094252A1 (en) * | 2001-10-17 | 2003-05-22 | American Air Liquide, Inc. | Cellulosic products containing improved percentage of calcium carbonate filler in the presence of other papermaking additives |
-
2003
- 2003-08-06 FI FI20031134A patent/FI120462B/en not_active IP Right Cessation
-
2004
- 2004-07-12 GB GB0601623A patent/GB2421516B/en not_active Expired - Fee Related
- 2004-07-12 WO PCT/FI2004/000445 patent/WO2005014929A1/en active Application Filing
- 2004-07-12 DE DE112004001436T patent/DE112004001436T5/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020092636A1 (en) * | 2000-07-13 | 2002-07-18 | Voith Paper Patent Gmbh | Process and device for loading fibers with calcium carbonate |
| WO2003006740A1 (en) * | 2001-07-11 | 2003-01-23 | Voith Paper Patent Gmbh | Method of loading a fiber suspension with calcium carbonate |
| US20030094252A1 (en) * | 2001-10-17 | 2003-05-22 | American Air Liquide, Inc. | Cellulosic products containing improved percentage of calcium carbonate filler in the presence of other papermaking additives |
Also Published As
| Publication number | Publication date |
|---|---|
| FI120462B (en) | 2009-10-30 |
| FI20031134A (en) | 2005-02-07 |
| DE112004001436T5 (en) | 2006-06-14 |
| GB2421516B (en) | 2007-04-18 |
| WO2005014929A1 (en) | 2005-02-17 |
| FI20031134A0 (en) | 2003-08-06 |
| GB0601623D0 (en) | 2006-03-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20130712 |