CA2445340A1 - Method for the production of woodpulp - Google Patents
Method for the production of woodpulp Download PDFInfo
- Publication number
- CA2445340A1 CA2445340A1 CA002445340A CA2445340A CA2445340A1 CA 2445340 A1 CA2445340 A1 CA 2445340A1 CA 002445340 A CA002445340 A CA 002445340A CA 2445340 A CA2445340 A CA 2445340A CA 2445340 A1 CA2445340 A1 CA 2445340A1
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- fiber
- production
- loading
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 229920001131 Pulp (paper) Polymers 0.000 title abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 57
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000011111 cardboard Substances 0.000 claims abstract description 6
- 238000009388 chemical precipitation Methods 0.000 claims abstract description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 26
- 239000000123 paper Substances 0.000 claims description 10
- 238000004061 bleaching Methods 0.000 claims description 7
- 239000000654 additive Substances 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 5
- 239000007844 bleaching agent Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 238000010411 cooking Methods 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 150000002978 peroxides Chemical class 0.000 claims description 2
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 2
- 238000009472 formulation Methods 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 238000007670 refining Methods 0.000 claims 1
- 239000011087 paperboard Substances 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 12
- 239000000920 calcium hydroxide Substances 0.000 description 12
- 235000011116 calcium hydroxide Nutrition 0.000 description 12
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 11
- 239000002657 fibrous material Substances 0.000 description 11
- 239000000945 filler Substances 0.000 description 11
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000292 calcium oxide Substances 0.000 description 5
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 5
- 239000011575 calcium Substances 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000002023 wood Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 235000011777 Corchorus aestuans Nutrition 0.000 description 1
- 240000000491 Corchorus aestuans Species 0.000 description 1
- 235000010862 Corchorus capsularis Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/02—Cellulose; Modified cellulose
-
- 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
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
- D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10120526.0 | 2001-04-26 | ||
| DE10120526A DE10120526A1 (de) | 2001-04-26 | 2001-04-26 | Verfahren zur Herstellung von Zellstoff |
| PCT/EP2002/001611 WO2002088187A2 (de) | 2001-04-26 | 2002-02-15 | Verfahren zur herstellung von zellstoff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2445340A1 true CA2445340A1 (en) | 2002-11-07 |
Family
ID=7682850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002445340A Abandoned CA2445340A1 (en) | 2001-04-26 | 2002-02-15 | Method for the production of woodpulp |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20040084161A1 (de) |
| EP (1) | EP1397551A2 (de) |
| BR (1) | BR0205435A (de) |
| CA (1) | CA2445340A1 (de) |
| DE (1) | DE10120526A1 (de) |
| WO (1) | WO2002088187A2 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004060405A1 (de) * | 2004-12-14 | 2006-07-06 | Voith Paper Patent Gmbh | Verfahren und Vorrichtung zum Beladen von in einer Suspension enthaltenen Fasern oder enthaltenem Zellstoff mit einem Füllstoff |
| DE102007020324A1 (de) * | 2007-04-30 | 2008-11-06 | Voith Patent Gmbh | Verfahren zur Bildung von Calciumcarbonat in einer Faserstoffsuspension |
| DE102007028539A1 (de) * | 2007-06-21 | 2008-12-24 | Voith Patent Gmbh | Verfahren zum Bilden von Calciumcarbonat in einer Faserstoffsuspension |
| FI125278B (fi) * | 2010-08-20 | 2015-08-14 | Upm Kymmene Corp | Menetelmä kalsiumkarbonaatin saostamiseksi sekä menetelmän käyttö |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2599093A (en) * | 1948-03-17 | 1952-06-03 | Vanderbilt Co R T | Pigmented cellulose fiber |
| US4510020A (en) * | 1980-06-12 | 1985-04-09 | Pulp And Paper Research Institute Of Canada | Lumen-loaded paper pulp, its production and use |
| US5096539A (en) * | 1989-07-24 | 1992-03-17 | The Board Of Regents Of The University Of Washington | Cell wall loading of never-dried pulp fibers |
| US5223090A (en) * | 1991-03-06 | 1993-06-29 | The United States Of America As Represented By The Secretary Of Agriculture | Method for fiber loading a chemical compound |
| NZ298222A (en) * | 1994-12-28 | 1999-07-29 | Mineral Technologies Inc | Bleaching filled paper with hydrogen peroxide, sodium borohydride, and/or sodium hydrosulphite |
| US5665205A (en) * | 1995-01-19 | 1997-09-09 | International Paper Company | Method for improving brightness and cleanliness of secondary fibers for paper and paperboard manufacture |
| US5679220A (en) * | 1995-01-19 | 1997-10-21 | International Paper Company | Process for enhanced deposition and retention of particulate filler on papermaking fibers |
| FI100670B (fi) * | 1996-02-20 | 1998-01-30 | Metsae Serla Oy | Menetelmä täyteaineen lisäämiseksi selluloosakuituperäiseen massaan |
| AU6279498A (en) * | 1997-02-11 | 1998-08-26 | Minerals Technologies Inc. | Lumen loading of mineral filler into cellulose fibers for papermaking |
| FI104502B (fi) * | 1997-09-16 | 2000-02-15 | Metsae Serla Oyj | Menetelmä paperirainan valmistamiseksi |
| PT1076132E (pt) * | 1999-08-13 | 2009-02-24 | Georgia Pacific France | Processo de fabrico de uma folha de papel que inclui a fixação de uma carga mineral sobre fibras celulósicas |
-
2001
- 2001-04-26 DE DE10120526A patent/DE10120526A1/de not_active Withdrawn
-
2002
- 2002-02-15 EP EP02702355A patent/EP1397551A2/de not_active Withdrawn
- 2002-02-15 BR BR0205435-3A patent/BR0205435A/pt not_active Application Discontinuation
- 2002-02-15 WO PCT/EP2002/001611 patent/WO2002088187A2/de not_active Application Discontinuation
- 2002-02-15 CA CA002445340A patent/CA2445340A1/en not_active Abandoned
-
2003
- 2003-10-22 US US10/691,276 patent/US20040084161A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP1397551A2 (de) | 2004-03-17 |
| WO2002088187A3 (de) | 2003-03-27 |
| BR0205435A (pt) | 2003-05-06 |
| WO2002088187A2 (de) | 2002-11-07 |
| DE10120526A1 (de) | 2002-10-31 |
| US20040084161A1 (en) | 2004-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |