ATE423867T1 - Behandlungsverfahren für kreislaufwasser - Google Patents
Behandlungsverfahren für kreislaufwasserInfo
- Publication number
- ATE423867T1 ATE423867T1 AT02774036T AT02774036T ATE423867T1 AT E423867 T1 ATE423867 T1 AT E423867T1 AT 02774036 T AT02774036 T AT 02774036T AT 02774036 T AT02774036 T AT 02774036T AT E423867 T1 ATE423867 T1 AT E423867T1
- Authority
- AT
- Austria
- Prior art keywords
- water
- calcium ions
- process water
- papermaking
- separated
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 8
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 abstract 5
- 229910001424 calcium ion Inorganic materials 0.000 abstract 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- 238000009825 accumulation Methods 0.000 abstract 1
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 239000003643 water by type Substances 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
-
- 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
- D21H17/01—Waste products, e.g. sludge
Landscapes
- Paper (AREA)
- Removal Of Specific Substances (AREA)
- Chemical Treatment Of Metals (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20011131A FI20011131A7 (fi) | 2001-05-30 | 2001-05-30 | Kiertovesien käsittelymenetelmä |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE423867T1 true ATE423867T1 (de) | 2009-03-15 |
Family
ID=8561300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT02774036T ATE423867T1 (de) | 2001-05-30 | 2002-05-30 | Behandlungsverfahren für kreislaufwasser |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1402111B1 (de) |
| AT (1) | ATE423867T1 (de) |
| DE (1) | DE60231303D1 (de) |
| FI (1) | FI20011131A7 (de) |
| WO (1) | WO2002097189A1 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7056419B2 (en) | 2002-09-30 | 2006-06-06 | American Air Liquide, Inc. | Methods for modifying electrical properties of papermaking compositions using carbon dioxide |
| CN100429161C (zh) * | 2005-11-29 | 2008-10-29 | 谢列兵 | 水处理工艺及管式水处理装置 |
| EP1816259A1 (de) * | 2006-02-07 | 2007-08-08 | L'AIR LIQUIDE, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Verwendung von Kohlendioxid zur Optimierung des pH-Werts im nassen Teil der Papiermachine |
| DE102006034186A1 (de) * | 2006-07-24 | 2008-01-31 | Siemens Ag | Einrichtung zur Papierherstellung, insbesondere Altpapier |
| FI20065727A0 (fi) | 2006-11-15 | 2006-11-15 | Linde Ag | Menetelmä kerrostuman muodostumisen vähentämiseksi sellu- ja paperiteollisuudessa |
| FI20096259A0 (fi) | 2009-11-30 | 2009-11-30 | Linde Ag | Menetelmä ja järjestelmä prosessiveden käsittelemiseksi |
| FI127995B (en) * | 2012-12-21 | 2019-07-15 | Upm Kymmene Corp | Waste water and flue gas utilization |
| GB201315092D0 (en) | 2013-08-23 | 2013-10-09 | T & L Process Technology Ltd | Improved Process |
| FR3081861B1 (fr) * | 2018-06-05 | 2020-05-15 | Air Liquide France Industrie | Methode de traitement d'un effluent industriel alcalin a l'aide de co2 |
| CN111573998B (zh) * | 2020-06-12 | 2023-07-11 | 浙江大学 | 废纸造纸废水高效厌氧出水脱气除钙系统 |
| GB2641670A (en) | 2024-01-03 | 2025-12-10 | Hydrophis Uk Ltd | Process for sequestration of carbon dioxide and minerals from industrial waste products |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10174979A (ja) * | 1996-12-18 | 1998-06-30 | Hitachi Zosen Corp | 排水処理方法および装置 |
| SE511794C2 (sv) * | 1997-06-30 | 1999-11-29 | Sunds Defibrator Ind Ab | Sätt att reducera halten kalcium i vätskefasen i en pappersmassasuspension |
| SE9803384L (sv) * | 1998-03-02 | 1999-09-03 | Kemira Kemi Ab | Förfarande för behandling av processvatten |
-
2001
- 2001-05-30 FI FI20011131A patent/FI20011131A7/fi not_active Application Discontinuation
-
2002
- 2002-05-30 WO PCT/FI2002/000463 patent/WO2002097189A1/en not_active Ceased
- 2002-05-30 DE DE60231303T patent/DE60231303D1/de not_active Expired - Fee Related
- 2002-05-30 AT AT02774036T patent/ATE423867T1/de not_active IP Right Cessation
- 2002-05-30 EP EP02774036A patent/EP1402111B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002097189A1 (en) | 2002-12-05 |
| DE60231303D1 (de) | 2009-04-09 |
| EP1402111A1 (de) | 2004-03-31 |
| FI20011131L (fi) | 2002-12-01 |
| FI20011131A7 (fi) | 2002-12-01 |
| EP1402111B1 (de) | 2009-02-25 |
| FI20011131A0 (fi) | 2001-05-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |