DE69208314T2 - Verfahren und Vorrichtung zur Verbesserung des städtischen Wassers - Google Patents
Verfahren und Vorrichtung zur Verbesserung des städtischen WassersInfo
- Publication number
- DE69208314T2 DE69208314T2 DE69208314T DE69208314T DE69208314T2 DE 69208314 T2 DE69208314 T2 DE 69208314T2 DE 69208314 T DE69208314 T DE 69208314T DE 69208314 T DE69208314 T DE 69208314T DE 69208314 T2 DE69208314 T2 DE 69208314T2
- Authority
- DE
- Germany
- Prior art keywords
- water
- slaked lime
- solution
- aqueous
- sludge
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 66
- 238000000034 method Methods 0.000 title claims description 19
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 73
- 239000000920 calcium hydroxide Substances 0.000 claims description 72
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 72
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 72
- 239000000243 solution Substances 0.000 claims description 60
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 54
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 41
- 235000010216 calcium carbonate Nutrition 0.000 claims description 40
- 239000010802 sludge Substances 0.000 claims description 33
- 239000008399 tap water Substances 0.000 claims description 29
- 235000020679 tap water Nutrition 0.000 claims description 29
- 229910000020 calcium bicarbonate Inorganic materials 0.000 claims description 27
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 claims description 26
- 238000002156 mixing Methods 0.000 claims description 17
- 239000007864 aqueous solution Substances 0.000 claims description 15
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 14
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 14
- 239000001569 carbon dioxide Substances 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 description 11
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 10
- 239000011575 calcium Substances 0.000 description 10
- 229910052791 calcium Inorganic materials 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/02—Softening water by precipitation of the hardness
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F15/00—Other methods of preventing corrosion or incrustation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/08—Corrosion inhibition
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03262271A JP3105309B2 (ja) | 1991-10-09 | 1991-10-09 | 水道水の改善方法および装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69208314D1 DE69208314D1 (de) | 1996-03-28 |
| DE69208314T2 true DE69208314T2 (de) | 1996-07-11 |
Family
ID=17373477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69208314T Expired - Fee Related DE69208314T2 (de) | 1991-10-09 | 1992-09-17 | Verfahren und Vorrichtung zur Verbesserung des städtischen Wassers |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US5391302A (enExample) |
| EP (1) | EP0536908B1 (enExample) |
| JP (1) | JP3105309B2 (enExample) |
| KR (1) | KR950006682B1 (enExample) |
| DE (1) | DE69208314T2 (enExample) |
| TW (1) | TW218861B (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3398806B2 (ja) * | 1994-08-09 | 2003-04-21 | 呉羽化学工業株式会社 | 水道配管の腐食防止方法 |
| DE4431911A1 (de) * | 1994-09-08 | 1996-03-14 | Passavant Werke | Verfahren zum Aufbereiten von weichen Wässern zu Trinkwasser |
| JP3062036B2 (ja) * | 1995-03-08 | 2000-07-10 | 呉羽化学工業株式会社 | 水道水改質用消石灰溶液の製造装置および方法 |
| ES2126480B1 (es) * | 1996-03-07 | 1999-12-01 | Hernandez Collados Angela | Procesos de descontaminacion de aguas residuales por accion de hidroxido calcico a concentraciones cercanas a la saturacion y posterior neutralizacion con dioxido de carbono. |
| US5720884A (en) * | 1996-06-25 | 1998-02-24 | Mg Industries | Method for automatic control of corrosion in a water distribution system |
| US5914046A (en) * | 1996-10-22 | 1999-06-22 | The United States Of America As Represented By The Secretary Of The Interior | Process and apparatus for carbon dioxide pretreatment and accelerated limestone dissolution for treatment of acidified water |
| FR2823499B1 (fr) * | 2001-04-12 | 2004-02-27 | Vivendi Water Systems | Procede de remineralisation d'une eau brute |
| US7150829B2 (en) * | 2003-08-28 | 2006-12-19 | Pur Water Purification Products, Inc. | Water treatment cartridges and processes related thereto |
| ES2259562B1 (es) * | 2005-03-23 | 2008-03-01 | Pridesa Proyectos Y Servicios, S.A.U. | Sistema de preparacion y dosificacion en continuo de hidroxido calcico para sistemas de remineralizacion del agua aplicados a plantas desaladoras de agua. |
| KR100744742B1 (ko) * | 2006-12-27 | 2007-08-01 | 한국수자원공사 | 고품질 수돗물 생산을 위한 소석회 포화수 연속제조 및주입장치 |
| FI20085969A7 (fi) * | 2008-10-15 | 2010-04-16 | Nordkalk Oy Ab | Hapan vesi ja sen käyttö vedenpoistoon tai kiintoaineiden erottamiseen |
| US7771599B1 (en) * | 2009-03-09 | 2010-08-10 | Doosan Hydro Technology, Inc. | System and method for using carbon dioxide sequestered from seawater in the remineralization of process water |
| JP2010137224A (ja) * | 2010-02-12 | 2010-06-24 | Kureha Engineering Co Ltd | 浄水処理方法 |
| SI2418177T1 (sl) | 2010-08-13 | 2015-03-31 | Omya International Ag | MIKRONIZIRAN CaCO3 INJEKCIJSKI SISTEM GOŠČE ZA REMINERALIZACIJO RAZSOLJENE IN SVEŽE VODE |
| KR100990486B1 (ko) * | 2010-08-18 | 2010-11-29 | 케이씨삼양정수(주) | 담수의 음용수화 방법 및 장치 |
| US8951419B2 (en) | 2010-12-17 | 2015-02-10 | Burnett Lime Company, Inc. | Method and apparatus for water treatment |
| WO2012082139A1 (en) * | 2010-12-17 | 2012-06-21 | Burnett Lime Company, Inc. | Method and apparatus for water treatment |
| WO2012113957A1 (es) | 2011-02-23 | 2012-08-30 | Abengoa Water, S. L. U. | Procedimiento de remineralización de fluidos |
| HUE030141T2 (en) * | 2012-02-03 | 2017-04-28 | Omya Int Ag | A method for producing an aqueous solution comprising at least one alkaline earth hydrogen carbonate |
| EP3202720A1 (en) * | 2016-02-05 | 2017-08-09 | Omya International AG | Process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate |
| EP3202719A1 (en) * | 2016-02-05 | 2017-08-09 | Omya International AG | Installation for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate |
| JP7671642B2 (ja) * | 2021-07-09 | 2025-05-02 | 住友重機械エンバイロメント株式会社 | 浸出水処理システム及び浸出水処理方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1683521A (en) * | 1926-05-10 | 1928-09-04 | Bourgognion Julianus Wi Meuser | Process of treating water |
| JPS5360879A (en) * | 1976-11-12 | 1978-05-31 | Hitachi Ltd | Fixing method for calcium component contained in sea water |
| US4366142A (en) * | 1979-03-28 | 1982-12-28 | Sadao Kojima | Method and apparatus for the preparation of slaked lime solution |
| JPS58223481A (ja) * | 1982-06-21 | 1983-12-26 | Kureha Chem Ind Co Ltd | 水道水のｐＨ調整方法 |
| JPS6223634A (ja) * | 1985-07-24 | 1987-01-31 | Nec Home Electronics Ltd | スペクトラム拡散電力線搬送通信方法および装置 |
| JPS62229494A (ja) * | 1986-03-31 | 1987-10-08 | 東芝テック株式会社 | 商品販売デ−タ処理装置 |
| FR2616451B1 (fr) * | 1987-06-12 | 1989-10-13 | Legrand Luc | Procede et installation pour proteger les canalisations d'eau contre la corrosion |
| JPH0632820B2 (ja) * | 1989-01-24 | 1994-05-02 | 呉羽化学工業株式会社 | 水道水のランゲリア指数の改善方法および装置 |
-
1991
- 1991-10-09 JP JP03262271A patent/JP3105309B2/ja not_active Expired - Fee Related
-
1992
- 1992-07-09 TW TW081105441A patent/TW218861B/zh not_active IP Right Cessation
- 1992-09-08 US US07/939,514 patent/US5391302A/en not_active Expired - Fee Related
- 1992-09-17 KR KR1019920016951A patent/KR950006682B1/ko not_active Expired - Fee Related
- 1992-09-17 EP EP92308503A patent/EP0536908B1/en not_active Expired - Lifetime
- 1992-09-17 DE DE69208314T patent/DE69208314T2/de not_active Expired - Fee Related
-
1994
- 1994-11-08 US US08/337,361 patent/US5525224A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0596286A (ja) | 1993-04-20 |
| EP0536908A1 (en) | 1993-04-14 |
| DE69208314D1 (de) | 1996-03-28 |
| JP3105309B2 (ja) | 2000-10-30 |
| US5391302A (en) | 1995-02-21 |
| TW218861B (enExample) | 1994-01-11 |
| EP0536908B1 (en) | 1996-02-14 |
| US5525224A (en) | 1996-06-11 |
| KR950006682B1 (ko) | 1995-06-21 |
| KR930007824A (ko) | 1993-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |