JP2003315496A5 - - Google Patents

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JP2003315496A5
JP2003315496A5 JP2002123921A JP2002123921A JP2003315496A5 JP 2003315496 A5 JP2003315496 A5 JP 2003315496A5 JP 2002123921 A JP2002123921 A JP 2002123921A JP 2002123921 A JP2002123921 A JP 2002123921A JP 2003315496 A5 JP2003315496 A5 JP 2003315496A5
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exchange resin
ion exchange
ion
less
regenerant
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JP2002123921A
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JP2003315496A (en
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Priority to JP2002123921A priority Critical patent/JP2003315496A/en
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加圧水型原子力発電所の復水脱塩装置に用いられるイオン交換樹脂の再生方法であって、再生剤としてＣｌイオンを１００μｇ／Ｌ以下に精製した水酸化アルカリ溶液を用いて再生することを特徴とするイオン交換樹脂の再生方法。  A method for regenerating an ion exchange resin used in a condensate desalination apparatus of a pressurized water nuclear power plant, characterized in that the regeneration is performed using an alkali hydroxide solution in which Cl ions are purified to 100 μg / L or less as a regenerant. To regenerate ion exchange resin. イオン交換樹脂を、前記再生剤を用いて再生した後に、Ｃｌイオン濃度が５０ｎｇ／Ｌ以下の純水を用いて洗浄する、請求項１のイオン交換樹脂の再生方法。  The method for regenerating an ion exchange resin according to claim 1, wherein the ion exchange resin is washed with pure water having a Cl ion concentration of 50 ng / L or less after being regenerated with the regenerant. 加圧水型原子力発電所の復水脱塩装置に用いられるイオン交換樹脂の再生方法であって、再生剤としてＮａイオンを１μｇ／Ｌ以下に精製した鉱酸を用いて再生することを特徴とするイオン交換樹脂の再生方法。  An ion exchange resin regeneration method for use in a condensate desalination apparatus of a pressurized water nuclear power plant, characterized in that the ion is regenerated using a mineral acid having a Na ion refined to 1 μg / L or less as a regenerant. Regeneration method of exchange resin. イオン交換樹脂を、前記再生剤を用いて再生した後に、Ｎａイオン濃度が５０ｎｇ／Ｌ以下の純水を用いて洗浄する、請求項３のイオン交換樹脂の再生方法。  The method for regenerating an ion exchange resin according to claim 3, wherein the ion exchange resin is regenerated with the regenerant and then washed with pure water having a Na ion concentration of 50 ng / L or less. 加圧水型原子力発電所の復水脱塩装置に用いられるイオン交換樹脂の再生方法であって、アニオン交換樹脂に対しては、再生剤としてＣｌイオンを１００μｇ／Ｌ以下に精製した水酸化アルカリ溶液を用いて再生し、カチオン交換樹脂に対しては、再生剤としてＮａイオンを１μｇ／Ｌ以下に精製した鉱酸を用いて再生することを特徴とするイオン交換樹脂の再生方法。  A method for regenerating an ion exchange resin used in a condensate demineralizer of a pressurized water nuclear power plant, wherein an alkali hydroxide solution in which Cl ions are purified to 100 μg / L or less as a regenerant is used for an anion exchange resin. A method for regenerating an ion exchange resin, characterized in that a cation exchange resin is regenerated using a mineral acid having a Na ion refined to 1 μg / L or less as a regenerant. 前記再生剤を用いて再生した後に、アニオン交換樹脂に対しては、少なくともＣｌイオン濃度が５０ｎｇ／Ｌ以下の純水を用いて洗浄し、カチオン交換樹脂に対しては、少なくともＮａイオン濃度が５０ｎｇ／Ｌ以下の純水を用いて洗浄する、請求項５のイオン交換樹脂の再生方法。  After regeneration with the regenerant, the anion exchange resin is washed with pure water having at least a Cl ion concentration of 50 ng / L or less, and the cation exchange resin has an Na ion concentration of at least 50 ng. The method for regenerating an ion exchange resin according to claim 5, wherein the ion exchange resin is washed with pure water of / L or less. イオン交換樹脂がアニオン交換樹脂からなり、クロル形化合物Ｒ−Ｃｌの分率が０．０１％以下となるように再生する、請求項１または２のイオン交換樹脂の再生方法。It becomes an ion exchange resin from the anion exchange resin, chloro-type compound R-Cl the fraction to play so as not to exceed 0.01%, the method of reproduction according to claim 1 or 2 ion exchange resin. イオン交換樹脂がカチオン交換樹脂からなり、ナトリウム形化合物Ｒ−Ｎａの分率が０．００１％以下となるように再生する、請求項３または４のイオン交換樹脂の再生方法。The method for regenerating an ion exchange resin according to claim 3 or 4, wherein the ion exchange resin is made of a cation exchange resin and regenerated so that a fraction of the sodium -type compound R-Na is 0.001% or less. イオン交換樹脂がアニオン交換樹脂とカチオン交換樹脂からなり、アニオン交換樹脂に対してはクロル形化合物Ｒ−Ｃｌの分率が０．０１％以下となるように、カチオン交換樹脂に対してはナトリウム形化合物Ｒ−Ｎａの分率が０．００１％以下となるように再生する、請求項５または６のイオン交換樹脂の再生方法。Becomes an ion exchange resin from the anion exchange resin and a cation exchange resin, as the fraction of chlorine type compounds R-Cl is less than 0.01% for the anion exchange resin, sodium form for the cation exchange resin The method for regenerating an ion exchange resin according to claim 5 or 6, wherein the regeneration is performed so that the fraction of the compound R-Na is 0.001% or less. 加圧水型原子力発電所の復水脱塩装置に用いられるアニオン交換樹脂用の再生剤の精製方法であって、水酸化アルカリ溶液と低Ｃｌイオン濃度の純水との間でカチオン透過膜を介して電気透析を行い、純水側に透析されてくる水酸化アルカリを構成していた金属イオンにより、純水中にて新たに低Ｃｌイオン濃度の水酸化アルカリ溶液を生成することを特徴とする、イオン交換樹脂用再生剤の精製方法。  A method for purifying a regenerant for an anion exchange resin used in a condensate demineralizer of a pressurized water nuclear power plant, comprising a cation permeable membrane between an alkali hydroxide solution and pure water having a low Cl ion concentration. Electrodialysis is performed to generate a low-Cl ion concentration alkali hydroxide solution newly in pure water with the metal ions constituting the alkali hydroxide dialyzed on the pure water side. A method for purifying a regenerant for an ion exchange resin.
JP2002123921A 2002-04-25 2002-04-25 Method for regenerating ion-exchange resin and method for refining regenerant used for it Pending JP2003315496A (en)

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JP2002123921A JP2003315496A (en) 2002-04-25 2002-04-25 Method for regenerating ion-exchange resin and method for refining regenerant used for it

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JP2002123921A JP2003315496A (en) 2002-04-25 2002-04-25 Method for regenerating ion-exchange resin and method for refining regenerant used for it

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JP2003315496A JP2003315496A (en) 2003-11-06
JP2003315496A5 true JP2003315496A5 (en) 2005-07-14

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4673751B2 (en) * 2006-01-13 2011-04-20 オルガノ株式会社 Operation method of condensate demineralizer for pressurized water nuclear power plant
JP5320723B2 (en) * 2007-11-06 2013-10-23 栗田工業株式会社 Ultrapure water manufacturing method and apparatus, and electronic component member cleaning method and apparatus
JP5499433B2 (en) * 2007-11-06 2014-05-21 栗田工業株式会社 Ultrapure water manufacturing method and apparatus, and electronic component member cleaning method and apparatus
JP5564817B2 (en) * 2009-03-31 2014-08-06 栗田工業株式会社 Ion exchange resin regeneration method and ultrapure water production apparatus
JP5895962B2 (en) * 2014-03-31 2016-03-30 栗田工業株式会社 Method for preventing boron contamination of ion exchange resin
KR102346812B1 (en) * 2019-10-30 2022-01-04 주식회사 삼양사 Method for preparing ion exchange resin with reduced metal impurity content
KR102499164B1 (en) * 2020-10-27 2023-02-14 주식회사 삼양사 Method for preparing ion exchange resin with reduced content of metallic impurities

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