JP2008093514A - Weakly acidic water, method for producing the same, and disinfectant and deodorizer containing the same - Google Patents
Weakly acidic water, method for producing the same, and disinfectant and deodorizer containing the same Download PDFInfo
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Abstract
Description
本発明は、弱酸性水とその製造方法、およびこれを含有する殺菌剤と消臭剤に関し、特に、お絞り器や加湿器等の機器に用いた場合に防錆効果を有する弱酸性水とその製造方法、およびこれを含有する殺菌剤と消臭剤に関するものである。 The present invention relates to weakly acidic water and a method for producing the same, and a disinfectant and deodorant containing the same, and particularly weakly acidic water having an antirust effect when used in devices such as a diaphragm and a humidifier, and its The present invention relates to a production method, and a disinfectant and deodorant containing the same.
殺菌水として、強酸性電解水（次亜塩素酸含有）が知られており、当該強酸性電解水（次亜塩素酸含有）を得る方法としては、食塩水を有隔膜電解にて電気分解することにより製造する方法が知られている（例えば、特許文献１参照）。 Strongly acidic electrolyzed water (containing hypochlorous acid) is known as sterilizing water. As a method for obtaining the strongly acidic electrolyzed water (containing hypochlorous acid), saline is electrolyzed by diaphragm electrolysis. A method of manufacturing by this is known (for example, see Patent Document 1).
具体的には、中間部に隔膜を挟んで配設したスペーサの両側に、板状の陽極、陰極及びケーシングを当接固定して装置本体を形成し、この装置本体内に隔膜により仕切られて形成した陽極室及び陰極室内に食塩水を供給管を通してポンプにより送り込み、電気分解により陽極室及び陰極室内にて生成された各電解水を酸性水取出し管及びアルカリ性水取出し管により取り出して、所望の用途、すなわち、陽極室にて生成された電解水（次亜塩素酸（ＨＣｌＯ））は殺菌等の用途に、陰極室にて生成された電解水（水酸化ナトリウム（ＮａＯＨ））は洗浄等の用途に使用されている。 Specifically, an apparatus body is formed by abutting and fixing plate-like anodes, cathodes, and casings on both sides of a spacer disposed with a diaphragm sandwiched between intermediate portions, and the apparatus body is partitioned by a diaphragm. Salt water is pumped into the anode chamber and the cathode chamber formed through a supply pipe by a pump, and each electrolytic water generated in the anode chamber and the cathode chamber by electrolysis is taken out by an acidic water extraction pipe and an alkaline water extraction pipe, Applications, ie, electrolyzed water (hypochlorous acid (HClO)) generated in the anode chamber is used for sterilization, etc., and electrolyzed water (sodium hydroxide (NaOH)) generated in the cathode chamber is used for cleaning, etc. Used for applications.
特許文献１には、これらをより効率的に製造するための製造装置が開示されている。
しかしながら、陽極室にて生成された電解水（次亜塩素酸（ＨＣｌＯ））をお絞り器等の機器に使用した場合、これにより機器内部の金属部品が短期間で腐食されてしまうため、頻繁な買い替えや部品交換を余儀なくされるという問題があった。 However, when the electrolyzed water (hypochlorous acid (HClO)) generated in the anode chamber is used for a device such as a diaphragm, the metal parts inside the device are corroded in a short period of time. There was a problem of being forced to replace parts or replace parts.
従って、本発明の目的は、食塩水を原料とする、お絞り器や加湿器等の機器に用いた場合に防錆効果を有する弱酸性水とその製造方法、およびこれを含有する殺菌剤と消臭剤を提供することである。 Accordingly, an object of the present invention is to provide weakly acidic water having a rust-preventing effect when used in a device such as a diaphragm or a humidifier using saline as a raw material, a method for producing the same, and a disinfectant containing the same and a disinfectant. It is to provide an odorant.
本発明は、上記目的を達成するために、塩化ナトリウム（ＮａＣｌ）水溶液又は塩化カリウム（ＫＣｌ）水溶液を有隔膜電解にて電気分解する工程と、陽極室にて生成された第１の電解水および陰極室にて生成された第２の電解水を混合する工程と、ｐＨを５．１〜６．９に制御又は調整する工程と、を含むことを特徴とする弱酸性水の製造方法を提供する。 In order to achieve the above object, the present invention includes a step of electrolyzing a sodium chloride (NaCl) aqueous solution or a potassium chloride (KCl) aqueous solution by diaphragm membrane electrolysis, a first electrolyzed water generated in an anode chamber, and Provided is a method for producing weakly acidic water, comprising: a step of mixing second electrolyzed water generated in a cathode chamber; and a step of controlling or adjusting pH to 5.1 to 6.9. To do.
また、本発明は、上記目的を達成するために、上記本発明に係る製造方法により製造されることを特徴とする弱酸性水を提供する。 Moreover, in order to achieve the said objective, this invention provides the weakly acidic water characterized by being manufactured with the manufacturing method which concerns on the said this invention.
また、本発明は、上記目的を達成するために、上記本発明に係る弱酸性水を含有することを特徴とする殺菌剤を提供する。 Moreover, in order to achieve the said objective, this invention provides the bactericidal agent characterized by containing the weak acidic water based on the said this invention.
また、本発明は、上記目的を達成するために、上記本発明に係る弱酸性水を含有することを特徴とする消臭剤を提供する。 Moreover, in order to achieve the said objective, this invention provides the deodorizer characterized by including the weak acidic water based on the said invention.
本発明によると、お絞り器や加湿器等の機器に用いた場合に防錆効果を有する弱酸性水およびこれを含有する殺菌剤と消臭剤を提供することができる。 ADVANTAGE OF THE INVENTION According to this invention, when used for apparatuses, such as a diaphragm and a humidifier, the weak acidic water which has a rust prevention effect, and the disinfectant and deodorant containing this can be provided.
〔本発明の実施の形態に係る弱酸性水の製造方法〕
本発明の実施の形態に係る弱酸性水の製造方法は、塩化ナトリウム（ＮａＣｌ）水溶液又はその他の塩の水溶液を有隔膜電解にて電気分解する工程と、陽極室にて生成された第１の電解水および陰極室にて生成された第２の電解水を混合する中和工程と、ｐＨを５．１〜６．９に制御又は調整する工程と、を含む。以下、詳細に説明する。
[Method for Producing Weakly Acidic Water According to Embodiment of the Present Invention]
The method for producing weakly acidic water according to the embodiment of the present invention includes a step of electrolyzing an aqueous solution of sodium chloride (NaCl) or an aqueous solution of other salt by diaphragm membrane electrolysis, and a first method generated in an anode chamber. A neutralization step of mixing the electrolyzed water and the second electrolyzed water generated in the cathode chamber, and a step of controlling or adjusting the pH to 5.1 to 6.9. Details will be described below.
（電気分解する工程）
電気分解の対象としては、塩化ナトリウム（ＮａＣｌ）水溶液又は塩化カリウム（ＫＣｌ）水溶液を用いる。塩化ナトリウム（ＮａＣｌ）水溶液又は塩化カリウム（ＫＣｌ）水溶液以外のその他の塩の水溶液を用いることもできるが、塩化ナトリウム（ＮａＣｌ）水溶液又は塩化カリウム（ＫＣｌ）水溶液、特に、塩化ナトリウム（ＮａＣｌ）水溶液を用いることが好ましい。以下、塩化ナトリウム（ＮａＣｌ）水溶液を例に説明する。
(Process of electrolysis)
As an object of electrolysis, a sodium chloride (NaCl) aqueous solution or a potassium chloride (KCl) aqueous solution is used. An aqueous solution of a salt other than an aqueous solution of sodium chloride (NaCl) or an aqueous solution of potassium chloride (KCl) may be used, but an aqueous solution of sodium chloride (NaCl) or an aqueous solution of potassium chloride (KCl), particularly an aqueous solution of sodium chloride (NaCl), may be used. It is preferable to use it. Hereinafter, a sodium chloride (NaCl) aqueous solution will be described as an example.
有隔膜電解による電気分解は、二室型電解槽や三室型電解槽を使用して行なうことができ、例えば、特許文献１記載の方法により行なうことができる。 Electrolysis by diaphragm membrane electrolysis can be performed using a two-chamber electrolytic cell or a three-chamber electrolytic cell. For example, it can be performed by the method described in Patent Document 1.
（中和工程）
中和工程では、陽極室にて生成された第１の電解水および陰極室にて生成された第２の電解水を混合し、中和反応を進行させる。主たる反応としては、第１の電解水中の次亜塩素酸（ＨＣｌＯ）と、第２の電解水中の水酸化ナトリウム（ＮａＯＨ）とから次亜塩素酸ナトリウム（ＮａＣｌＯ）を生成する反応である。
(Neutralization process)
In the neutralization step, the first electrolyzed water generated in the anode chamber and the second electrolyzed water generated in the cathode chamber are mixed and the neutralization reaction proceeds. The main reaction is a reaction for generating sodium hypochlorite (NaClO) from hypochlorous acid (HClO) in the first electrolyzed water and sodium hydroxide (NaOH) in the second electrolyzed water.
（ｐＨ制御（又は調整）工程）
ｐＨ制御（又は調整）工程は、上記電気分解する工程や上記中和工程で行ってもよいし、これらとは別に単独で行なってもよい。塩化ナトリウム（ＮａＣｌ）水溶液濃度や印加電圧の制御、ｐＨ調整剤の添加などにより、最終的にｐＨが５．１〜６．９となるように制御又は調整する。より望ましくは、ｐＨを５．５〜６．５にする。最も好ましくは、ｐＨを５．９〜６．１にする。
(PH control (or adjustment) process)
The pH control (or adjustment) step may be performed in the electrolysis step or the neutralization step, or may be performed independently of these steps. By controlling the concentration of sodium chloride (NaCl) aqueous solution and applied voltage, adding a pH adjusting agent, etc., the pH is finally controlled or adjusted to 5.1 to 6.9. More preferably, the pH is set to 5.5 to 6.5. Most preferably, the pH is between 5.9 and 6.1.
〔本発明の実施の形態に係る弱酸性水〕
上述の本発明の実施の形態に係る製造方法により、本発明の実施の形態に係る弱酸性水が製造される。上述の本発明の実施の形態に係る製造方法により製造された弱酸性水は、種々の効果を有しており、殺菌剤や消臭剤等として用いることができる。
[Weakly acidic water according to an embodiment of the present invention]
The weakly acidic water which concerns on embodiment of this invention is manufactured by the manufacturing method which concerns on embodiment of this invention mentioned above. The weakly acidic water produced by the production method according to the above-described embodiment of the present invention has various effects, and can be used as a bactericide, a deodorant and the like.
本実施の形態に係る弱酸性水は、ｐＨが５．１〜６．９、より望ましくは５．５〜６．５、最も好ましくは５．９〜６．１である。また、有効塩素濃度２０〜３０ｐｐｍの低濃度であっても高い除菌力を示す。 The weakly acidic water according to the present embodiment has a pH of 5.1 to 6.9, more preferably 5.5 to 6.5, and most preferably 5.9 to 6.1. Moreover, even if it is a low concentration with an effective chlorine concentration of 20 to 30 ppm, a high sterilizing power is exhibited.
〔本発明の実施の形態の効果〕
本発明の実施の形態によれば、以下の効果を奏する。
（１）本実施の形態に係る弱酸性水は、殺菌力を備えながら、かつ、お絞り器や加湿器等の機器に用いた場合に防錆（腐食防止）効果を発揮する。
（２）加湿器に用いることにより、室内の加湿、除菌、消臭の効果を同時に得ることができる。
（３）塩化ナトリウム（ＮａＣｌ）水溶液のみを原料として製造できるため、安全かつ安心である。
（４）本実施の形態に係る弱酸性水は塩分を殆ど含有しないため、空中に噴霧しても、塩分による被害を受けることがない。
[Effect of the embodiment of the present invention]
According to the embodiment of the present invention, the following effects can be obtained.
(1) The weakly acidic water according to the present embodiment exhibits a rust prevention (corrosion prevention) effect when used in devices such as a diaphragm and a humidifier while having sterilizing power.
(2) By using it in a humidifier, indoor humidification, sterilization, and deodorizing effects can be obtained simultaneously.
(3) Since only a sodium chloride (NaCl) aqueous solution can be produced as a raw material, it is safe and secure.
(4) Since weakly acidic water according to the present embodiment contains almost no salt, it is not damaged by salt even if sprayed in the air.
（試験液の製造）
上述の本発明の実施の形態に係る製造方法により、実施例１の弱酸性水を製造した。原料としては、塩化ナトリウム（ＮａＣｌ）水溶液を用い、最終ｐＨが６．０になるようにした。
(Manufacture of test solution)
The weakly acidic water of Example 1 was manufactured by the manufacturing method according to the above-described embodiment of the present invention. As a raw material, a sodium chloride (NaCl) aqueous solution was used so that the final pH was 6.0.
（接種菌液の調製）
以下の供試菌を普通寒天培地に移植し、３５℃で２４時間培養後、１コロニーを普通ブイヨン培地に接種し、３５℃で１８時間振とう培養した。この菌液を普通ブイヨンを用いて希釈調製した。
＜供試菌＞
大腸菌（Escherichia coli IFO 3972）
黄色ブドウ球菌（Staphylococcus aureus IFO 12732）
緑膿菌（Pseudomonas aeruginosa IFO 13736）
(Preparation of inoculum solution)
The following test bacteria were transplanted to a normal agar medium and cultured at 35 ° C. for 24 hours. One colony was inoculated into a normal broth medium and cultured with shaking at 35 ° C. for 18 hours. This bacterial solution was diluted and prepared using ordinary broth.
<Test bacteria>
Escherichia coli IFO 3972
Staphylococcus aureus IFO 12732
Pseudomonas aeruginosa (Pseudomonas aeruginosa IFO 13736)
（殺菌効果試験）
製造した弱酸性水（試験液）２０ｍｌに、調製した菌液０．１ｍｌを接種し、３０秒経過時における試験液中の生菌数をＳＣＤＬＰ寒天培地を用いて測定した。試験結果を表１に示す。
(Bactericidal effect test)
20 ml of the produced weakly acidic water (test solution) was inoculated with 0.1 ml of the prepared bacterial solution, and the number of viable bacteria in the test solution after 30 seconds was measured using an SCDLP agar medium. The test results are shown in Table 1.
表１から明らかなとおり、実施例１の弱酸性水は、いずれの菌に対しても高い殺菌力があることが分かった。 As is clear from Table 1, the weakly acidic water of Example 1 was found to have a high bactericidal power against any bacteria.
（防錆（腐食防止）効果試験）
実施例１で製造した弱酸性水をお絞り器に、３ヶ月間、試験使用したが、内部部品に錆（腐食）は認められず、防錆（腐食防止）効果があることが分かった。
(Rust prevention (corrosion prevention) effect test)
Weakly acidic water produced in Example 1 was used in a diaphragm for 3 months, but no rust (corrosion) was observed on the internal parts, and it was found that there was an antirust (corrosion prevention) effect.
Claims (6)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022009824A1 (en) * | 2020-07-07 | 2022-01-13 | 株式会社トクヤマデンタル | Bactericidal composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022009824A1 (en) * | 2020-07-07 | 2022-01-13 | 株式会社トクヤマデンタル | Bactericidal composition |
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