JP3105309B2 - 水道水の改善方法および装置 - Google Patents

水道水の改善方法および装置

Info

Publication number
JP3105309B2
JP3105309B2 JP03262271A JP26227191A JP3105309B2 JP 3105309 B2 JP3105309 B2 JP 3105309B2 JP 03262271 A JP03262271 A JP 03262271A JP 26227191 A JP26227191 A JP 26227191A JP 3105309 B2 JP3105309 B2 JP 3105309B2
Authority
JP
Japan
Prior art keywords
slaked lime
aqueous solution
water
tap water
tank
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
Application number
JP03262271A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0596286A (ja
Inventor
勲 舟橋
究 山本
Original Assignee
呉羽化学工業株式会社
呉羽テクノエンジ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 呉羽化学工業株式会社, 呉羽テクノエンジ株式会社 filed Critical 呉羽化学工業株式会社
Priority to JP03262271A priority Critical patent/JP3105309B2/ja
Priority to TW081105441A priority patent/TW218861B/zh
Priority to US07/939,514 priority patent/US5391302A/en
Priority to KR1019920016951A priority patent/KR950006682B1/ko
Priority to EP92308503A priority patent/EP0536908B1/en
Priority to DE69208314T priority patent/DE69208314T2/de
Publication of JPH0596286A publication Critical patent/JPH0596286A/ja
Priority to US08/337,361 priority patent/US5525224A/en
Application granted granted Critical
Publication of JP3105309B2 publication Critical patent/JP3105309B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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)
JP03262271A 1991-10-09 1991-10-09 水道水の改善方法および装置 Expired - Fee Related JP3105309B2 (ja)

Priority Applications (7)

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
TW081105441A TW218861B (enExample) 1991-10-09 1992-07-09
US07/939,514 US5391302A (en) 1991-10-09 1992-09-08 Method of improving city water
EP92308503A EP0536908B1 (en) 1991-10-09 1992-09-17 Method of improving city water and an apparatus therefor
KR1019920016951A KR950006682B1 (ko) 1991-10-09 1992-09-17 수돗물의 개선방법 및 그를 위한 장치
DE69208314T DE69208314T2 (de) 1991-10-09 1992-09-17 Verfahren und Vorrichtung zur Verbesserung des städtischen Wassers
US08/337,361 US5525224A (en) 1991-10-09 1994-11-08 Apparatus for improving city water

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
JPH0596286A JPH0596286A (ja) 1993-04-20
JP3105309B2 true JP3105309B2 (ja) 2000-10-30

Family

ID=17373477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP03262271A Expired - Fee Related JP3105309B2 (ja) 1991-10-09 1991-10-09 水道水の改善方法および装置

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE69208314T2 (de) 1996-07-11
JPH0596286A (ja) 1993-04-20
EP0536908A1 (en) 1993-04-14
DE69208314D1 (de) 1996-03-28
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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