JPH10314747A - Process for preparing sterilized water - Google Patents

Process for preparing sterilized water

Info

Publication number
JPH10314747A
JPH10314747A JP9140934A JP14093497A JPH10314747A JP H10314747 A JPH10314747 A JP H10314747A JP 9140934 A JP9140934 A JP 9140934A JP 14093497 A JP14093497 A JP 14093497A JP H10314747 A JPH10314747 A JP H10314747A
Authority
JP
Japan
Prior art keywords
water
raw water
solution
mixing
hypochlorous acid
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.)
Pending
Application number
JP9140934A
Other languages
Japanese (ja)
Inventor
Shuichi Hida
秀一 飛田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PURAZUMITSUKUSU KK
Original Assignee
PURAZUMITSUKUSU KK
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 PURAZUMITSUKUSU KK filed Critical PURAZUMITSUKUSU KK
Priority to JP9140934A priority Critical patent/JPH10314747A/en
Publication of JPH10314747A publication Critical patent/JPH10314747A/en
Pending legal-status Critical Current

Links

Landscapes

  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

PROBLEM TO BE SOLVED: To prepare sterilized water by mixing electrolytic water prepared by the non-barrier type electrolysis of sodium chloride water solution into raw water and then also mixing neutral water or acid water therein to adjust the hypochlorous acid concentration and pH thereof. SOLUTION: A saturated saline solution introduced from a saturated saline water tank 1 is diluted by a part of raw water fed from a raw water path 4 and introduced into a non-barrier membrane type electrolytic cell 2 to carry out the electrolysis. Then an electrolyzed electrolyte is introduced into the raw water path and mixed into raw water. The pH of the raw water is adjusted on the low level by acid water from an acid water tank 3, and the high pH electrolyte is adjusted to the lower level by mixing high pH electrolyte into the low pH raw water. Also the hypochlorous acid concentration solution is adjusted by mixing the electrolyte with raw water. The pH of sterilized water can be controlled easily and accurately by the arrangement.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明は、食器、食品、タ
オルその他種々の物品に付着する細菌を殺菌するために
使用される殺菌水、特に次亜塩素酸を含有した殺菌水の
製造方法に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing sterilized water used for sterilizing bacteria adhering to tableware, foods, towels and other various articles, particularly sterilized water containing hypochlorous acid. It is.

【0002】[0002]

【従来の技術】従来から、次亜塩素酸や次亜塩素酸ナト
リウムの殺菌効果は広く知られており、次亜塩素酸を含
有した殺菌水の製造方法は種々提案されている。そして
また、本願発明が採用する電気分解による方法も既に提
案されている。
2. Description of the Related Art The sterilizing effect of hypochlorous acid and sodium hypochlorite has been widely known, and various methods for producing sterilizing water containing hypochlorous acid have been proposed. Further, a method by electrolysis adopted by the present invention has already been proposed.

【0003】次亜塩素酸を含有する殺菌水の製造におい
ては、次亜塩素酸の濃度の調整及びpHの調整が大きな
課題となっている。すなわち、次亜塩素酸溶液は殺菌効
果の点からは高い方が好ましいが、次亜塩素酸あるいは
次亜塩素酸ナトリウムの濃度が高いと臭気や目への刺激
などの弊害があり、できる限り低い濃度で殺菌効果を示
すことが好ましいとされている。また、溶液のpHは2
ないし7の範囲が好ましいとされている。また、塩化ナ
トリウム溶液の電気分解によって次亜塩素酸を得る場
合、次亜塩素酸は強い酸化力があるので陰極面で発生す
る水素で還元され、最終的に得られる次亜塩素酸の量が
減殺されるという問題点もある。
[0003] In the production of sterilizing water containing hypochlorous acid, the adjustment of the concentration of hypochlorous acid and the adjustment of the pH are major issues. That is, the hypochlorous acid solution is preferably higher from the viewpoint of the bactericidal effect, but if the concentration of hypochlorous acid or sodium hypochlorite is high, there are adverse effects such as odor and irritation to the eyes, and as low as possible. It is said that it is preferable to exhibit a bactericidal effect at a concentration. The pH of the solution is 2
The range from 7 to 7 is preferred. When hypochlorous acid is obtained by electrolysis of a sodium chloride solution, hypochlorous acid has a strong oxidizing power and is reduced by hydrogen generated on the cathode surface, and the amount of hypochlorous acid finally obtained is reduced. There is also the problem of being reduced.

【0004】電気分解法によりつつ、残留塩素濃度及び
pH調整の問題を解決しようとした発明として、例えば
特公平6−73675号及び特公平7−8768号が存
在する。
Japanese Patent Publication Nos. Hei 6-73675 and Hei 7-8768 exist as inventions which attempt to solve the problems of residual chlorine concentration and pH adjustment by using an electrolysis method.

【0005】前者の発明は、電解槽の陽極室の原水に次
亜塩素酸塩を添加して電気分解するものであり、前記陽
極室に添加する次亜塩素酸塩の量によって、生成される
次亜塩素酸水溶液のpH及び残留塩素濃度を調整しよう
とするものである。この発明においては、添加される次
亜塩素酸によって電解槽のpHが予め調整されるので、
電極の疲労は未然に防止できるという利点はあるが、最
終生成物のpHを調整しにくいという問題点がある。す
なわち、電気分解によりpHは変動するので、pH調整
のために添加する次亜塩素酸の量の決定が難しい。
In the former invention, hypochlorite is added to raw water in an anode chamber of an electrolytic cell to perform electrolysis, and is produced depending on the amount of hypochlorite added to the anode chamber. The purpose is to adjust the pH and the residual chlorine concentration of the aqueous solution of hypochlorous acid. In the present invention, since the pH of the electrolytic cell is adjusted in advance by the added hypochlorous acid,
Although there is an advantage that electrode fatigue can be prevented beforehand, there is a problem that it is difficult to adjust the pH of the final product. That is, since the pH changes due to electrolysis, it is difficult to determine the amount of hypochlorous acid added for pH adjustment.

【0006】後者の発明は、隔膜式の電解槽を使用して
塩化ナトリウム水溶液を電気分解し、陰極側に生成する
pHの低い(酸性度の強い)次亜塩素酸を含む水溶液
に、陽極側に生成する水酸化ナトリウムを含むpHの高
い(アルカリ性度の強い)水溶液を混合してpH及び残
留塩素濃度を調整するものである。この発明において
は、陰極側に生成する水溶液のpHが極めて低いので
(2.8程度)、遊離の塩素ガスが発生しやすく、殺菌
活性の持続という点で難がある。また塩素ガスが発生す
るとき同じモル量の水素ガスが発生するので、装置の安
全性にも問題がある。
In the latter invention, a sodium chloride aqueous solution is electrolyzed using a diaphragm type electrolytic cell, and a low pH (highly acidic) aqueous solution containing hypochlorous acid generated on the cathode side is added to the anode side. The pH and the residual chlorine concentration are adjusted by mixing a high pH (highly alkaline) aqueous solution containing sodium hydroxide generated in the step (1). In the present invention, since the pH of the aqueous solution generated on the cathode side is extremely low (about 2.8), free chlorine gas is easily generated, and there is a problem in that the bactericidal activity is maintained. Further, since the same molar amount of hydrogen gas is generated when chlorine gas is generated, there is a problem in the safety of the apparatus.

【0007】[0007]

【発明が解決しようとする課題】この発明は、電解槽の
pHがやや高めとなり塩素ガス及び水素ガスの発生を抑
えることのできる無隔膜式の電解槽を使用しつつ、殺菌
水のpH調整を容易におこなうことを課題とするもので
ある。
SUMMARY OF THE INVENTION According to the present invention, the pH of a sterilizing water is adjusted while using a non-diaphragm type electrolytic cell capable of suppressing the generation of chlorine gas and hydrogen gas by slightly increasing the pH of the electrolytic cell. The task is to make it easy.

【0008】[0008]

【課題を解決するための手段】この発明は、塩化ナトリ
ウム水溶液の無隔膜方式電気分解により得られる電解水
を原水に混合し、次いで中性水又は酸性水を混合して次
亜塩素酸濃度及びpHを調整することにより、殺菌水を
製造するものである。なお、原水に中性水又は酸性水を
予め混合した後に、電解水を混合するようにすることも
できる(請求項2)。前記酸性水は、得られる殺菌水の
pHが4ないし8程度、好ましくは5ないし7程度に調
整するために使用するものである。すなわち、無隔膜式
の電解槽において、次亜塩素酸を含む酸性水と水酸化ナ
トリウムを含むアルカリ水が生成と同時に混合するし、
pHは原水よりも上昇する。そのためにOCl-が増大
して次亜塩素酸が減少するために、殺菌活性が低い。そ
こで、pHを下げて即効性と持続性を備えるために酸性
水でpHを調整する必要がある。したがって、塩化ナト
リウム溶液の原水の酸性度が高く、電解後のpHが所定
の範囲(例えば5ないし7)に含まれる場合には、酸性
水の混合は不要であり、中性水で次亜塩素酸の濃度のみ
を調整すればよい。なお、酸性水としては、塩酸、硫酸
など適宜の酸性剤を使用することができる。
SUMMARY OF THE INVENTION According to the present invention, electrolyzed water obtained by diaphragmless electrolysis of an aqueous solution of sodium chloride is mixed with raw water, and then neutral water or acidic water is mixed to adjust the concentration of hypochlorous acid. By adjusting the pH, sterilizing water is produced. In addition, after neutral water or acidic water is previously mixed with raw water, electrolyzed water can be mixed (claim 2). The acidic water is used to adjust the pH of the obtained sterilizing water to about 4 to 8, preferably about 5 to 7. That is, in a non-diaphragm type electrolytic cell, acidic water containing hypochlorous acid and alkaline water containing sodium hydroxide are mixed at the same time as generation,
pH rises higher than raw water. OCl Therefore - is increased to reduce the hypochlorite, lower bactericidal activity. Therefore, it is necessary to adjust the pH with acidic water in order to lower the pH and provide immediate effect and durability. Therefore, when the acidity of the raw water of the sodium chloride solution is high and the pH after electrolysis is within a predetermined range (for example, 5 to 7), mixing of the acidic water is unnecessary, and Only the concentration of the acid needs to be adjusted. In addition, as the acidic water, an appropriate acidic agent such as hydrochloric acid or sulfuric acid can be used.

【0009】[0009]

【作用】この発明において、塩化ナトリウム溶液を無隔
膜方式の電解槽で電気分解すると、次亜塩素酸を含む酸
性水と水酸化ナトリウムを含むアルカリ性水とが生成
し、これらが混合して、原水よりもpHが高くなる。そ
のために、電解槽に得られる溶液には、殺菌活性を担う
次亜塩素酸の他に、OCl-が比較的多量に存在し、そ
のままでは十分な殺菌活性を得ることが難しい。そこ
で、この電解液を原水に混合した後、又は電解液に混合
する前の原水に、塩酸などの酸性水を混合しすると、p
Hが低下し、次亜塩素酸含有量の多い殺菌水が得られ
る。
In the present invention, when a sodium chloride solution is electrolyzed in a non-diaphragm type electrolytic cell, acidic water containing hypochlorous acid and alkaline water containing sodium hydroxide are generated, and these are mixed to obtain raw water. PH will be higher than Therefore, the solution obtained in the electrolytic bath, in addition to the hypochlorite responsible for bactericidal activity, OCl - relatively large amount exists, it is difficult to obtain a sufficient bactericidal activity as it is. Therefore, when this electrolytic solution is mixed with raw water or raw water before being mixed with the electrolytic solution, acid water such as hydrochloric acid is mixed with the raw water.
H is reduced, and sterilized water having a high content of hypochlorous acid is obtained.

【0010】[0010]

【発明の実施の形態】図において、符号1は飽和食塩水
槽、2は電解槽、3は酸性水槽である。飽和食塩水槽1
から供給される飽和食塩水は、原水路4から供給される
原水の一部で希釈されて(例えば3重量%程度)、無隔
膜式の電解槽2に供給される。そして、電気分解された
電解液は原水路へ導入されて原水に混合される。この原
水は、酸性水槽3から供給される酸性水(例えば塩酸)
によってpHが低く調整してあり、pHが低い原水と混
合することにより、pHが高い前記電解液のpHは低く
調整される。また、原水と混合することにより、溶液中
の次亜塩素酸濃度も調整される。前記酸性水槽3は電解
液が原水に導入された後、すなわち図中符号5よりも下
流側で酸性水を原水に供給するようにしてもよい。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the drawings, reference numeral 1 denotes a saturated saline tank, 2 denotes an electrolytic tank, and 3 denotes an acidic water tank. Saturated saline tank 1
Is diluted with a part of the raw water supplied from the raw water channel 4 (for example, about 3% by weight) and supplied to the non-diaphragm type electrolytic cell 2. Then, the electrolyzed electrolytic solution is introduced into the raw water channel and mixed with the raw water. This raw water is acidic water (for example, hydrochloric acid) supplied from the acidic water tank 3.
The pH of the electrolytic solution having a high pH is adjusted to be low by mixing with raw water having a low pH. Further, by mixing with raw water, the concentration of hypochlorous acid in the solution is also adjusted. The acidic water tank 3 may supply the acidic water to the raw water after the electrolytic solution is introduced into the raw water, that is, on the downstream side of the reference numeral 5 in the figure.

【0011】[0011]

【実施例】3重量%の塩化ナトリウム溶液を無隔膜式の
電解槽2で電気分解し、次亜塩素酸濃度1重量%、pH
8.1の電解液を生成した。これを塩酸によってpHを
下げた原水に混合し、pH5.3、次亜塩素酸濃度25
ppmに調整した殺菌水を得た(以下「実施例1」とい
う)。
EXAMPLE A 3% by weight sodium chloride solution was electrolyzed in a non-diaphragm type electrolytic cell 2, and a hypochlorous acid concentration of 1% by weight and a pH of 1% were obtained.
An electrolyte of 8.1 was produced. This is mixed with raw water whose pH has been lowered with hydrochloric acid, and the pH is 5.3 and the hypochlorous acid concentration is 25.
Sterilized water adjusted to ppm was obtained (hereinafter referred to as "Example 1").

【0012】[0012]

【試験結果】上記実施例の殺菌水および同じ電解液を、
pH5.3、次亜塩素酸濃度50ppmに調整した殺菌水
(以下「実施例2」という)を以下の条件で殺菌性能の
確認試験を行い、比較例と対照したところ、好ましい結
果が得られた。
[Test results] The sterilized water and the same electrolytic solution of the above example were used.
A sterilization test was performed on sterilized water (hereinafter referred to as “Example 2”) adjusted to pH 5.3 and a hypochlorous acid concentration of 50 ppm under the following conditions, and a favorable result was obtained when compared with a comparative example. .

【0013】供試菌と供試菌液は以下の通り。 (1)腸内出血性大腸菌 O−157 (2)MRSA (3)枯草菌 の各菌をハアートインフェジョンプイヨンにおいて、3
5度C、20時間の培養後供試菌液とする。
The test bacteria and the test bacterial solution are as follows. (1) Enterohemorrhagic Escherichia coli O-157 (2) MRSA (3) Bacillus subtilis
After culturing at 5 ° C. for 20 hours, it is used as a test bacterial solution.

【0014】培養と判定方法は以下の通り。滅菌三角コ
ルベンに各供試菌を分注し、供試菌液を添加し混合す
る。1分、5分、10分間接触させた後、普通寒天培地
(日水製薬製)を用いて、35度C、24時間培養し、
生存菌数を算定する。一般に102のオーダーであれば
殺菌効果が満足できるものとされる。
The culture and the determination method are as follows. Dispense each test bacterium into a sterile triangular corvette, add the test bacterium solution, and mix. After contacting for 1 minute, 5 minutes, and 10 minutes, the cells were cultured at 35 ° C. for 24 hours using an ordinary agar medium (manufactured by Nissui Pharmaceutical),
The number of surviving bacteria is calculated. Generally, if the order is 10 2, the bactericidal effect can be satisfied.

【0015】供試品は以下の通り。 実施例1:この発明の方法により得られた殺菌水。次亜
塩素酸濃度が25ppm、pH5.3 実施例2:この発明の方法により得られた殺菌水。次亜
塩素酸濃度が50ppm、pH5.3 比較例1:市販の次亜塩素酸ナトリウム水溶液(12重
量%)。次亜塩素酸ナトリウム濃度25ppm、pH8.
3 比較例2:市販の次亜塩素酸ナトリウム水溶液(12重
量%)。次亜塩素酸ナトリウム濃度100ppm、pH
8.3
The specimens are as follows. Example 1: Sterilized water obtained by the method of the present invention. Hypochlorous acid concentration: 25 ppm, pH 5.3 Example 2: Sterilized water obtained by the method of the present invention. Hypochlorous acid concentration: 50 ppm, pH 5.3 Comparative Example 1: Commercially available aqueous solution of sodium hypochlorite (12% by weight). Sodium hypochlorite concentration 25 ppm, pH8.
3 Comparative Example 2: Commercially available aqueous solution of sodium hypochlorite (12% by weight). Sodium hypochlorite concentration 100ppm, pH
8.3

【0016】[0016]

【表1】 [Table 1]

【表2】 [Table 2]

【表3】 [Table 3]

【表4】 [Table 4]

【0017】[0017]

【発明の効果】この発明によれば、無隔膜式の電解槽で
塩化ナトリウム溶液を電気分解するので、隔膜式電気分
解のように、電解槽内のpHが低下することがない。そ
のために遊離塩素の発生が抑制され、活性源の減殺が防
止され、生成物を有効に利用することができる。同時
に、塩素ガスと共に発生する水素ガスの発生も抑制され
るので、装置の安全性が向上する。また、電解槽で生成
される比較的pHの高い電解液を、原水と混合する段階
でpH調整するので、生成された電解液のpHと原水の
pHを正しく測定した上で、添加すべき酸性液の量を計
算することができる。したがって、最終的に得られる殺
菌水のpHを容易かつ正確にコントロールすることがで
きる。
According to the present invention, since the sodium chloride solution is electrolyzed in the non-diaphragm type electrolytic cell, the pH in the electrolytic cell does not decrease unlike the diaphragm type electrolysis. Therefore, the generation of free chlorine is suppressed, the loss of the active source is prevented, and the product can be used effectively. At the same time, the generation of hydrogen gas which is generated together with the chlorine gas is suppressed, so that the safety of the apparatus is improved. In addition, since the pH of the relatively high pH electrolytic solution generated in the electrolytic cell is adjusted at the stage of mixing with the raw water, the pH of the generated electrolytic solution and the pH of the raw water are measured correctly, and then the acid to be added is added. The volume of the liquid can be calculated. Therefore, the pH of the finally obtained sterilizing water can be easily and accurately controlled.

【図面の簡単な説明】[Brief description of the drawings]

【図1】 この発明の方法を実施するための装置のブロ
ック図である。
FIG. 1 is a block diagram of an apparatus for implementing the method of the present invention.

【符号の説明】[Explanation of symbols]

1 飽和食塩水槽 2 電解槽 3 酸性水槽 4 原水路 1 Saturated saline tank 2 Electrolytic tank 3 Acid tank 4 Raw water channel

─────────────────────────────────────────────────────
────────────────────────────────────────────────── ───

【手続補正書】[Procedure amendment]

【提出日】平成9年6月9日[Submission date] June 9, 1997

【手続補正1】[Procedure amendment 1]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0004[Correction target item name] 0004

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【0004】電気分解法によりつつ、残留塩素濃度及び
pH調整の間題を解決しようとした発明として、例えば
特開平5−237478号及び特公平7−8768号が
存在する。
Japanese Patent Application Laid-Open (JP-A) No. 5-237478 and Japanese Patent Publication No. 7-8768 (JP-A-5-237478) exist as inventions which attempt to solve the problems of adjusting the residual chlorine concentration and pH while using an electrolysis method.

【手続補正2】[Procedure amendment 2]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0005[Correction target item name] 0005

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【0005】前者の発明は、電解槽の陽極室の原水に塩
酸を添加して電気分解するものであり、前記陽極室に添
加する塩酸の量によって、生成される次亜塩素酸水溶液
のpH及び残留塩素濃度を調整しようとするものであ
る。この発明においては、添加される塩酸によって電解
槽のpHが予め調整されるので、電極の疲労は未然に防
止できるという利点はあるが、最終生成物のpHを調整
しにくいという問題点がある。すなわち、電気分解によ
りpHは変動するので、pH調整のために添加する塩酸
の量の決定が難しい。
In the former invention, hydrochloric acid is added to raw water in an anode chamber of an electrolytic cell to perform electrolysis. The pH and the pH of an aqueous hypochlorous acid solution to be produced are determined by the amount of hydrochloric acid added to the anode chamber. The purpose is to adjust the residual chlorine concentration. In the present invention, since the pH of the electrolytic cell is adjusted in advance by the added hydrochloric acid, there is an advantage that electrode fatigue can be prevented beforehand, but there is a problem that it is difficult to adjust the pH of the final product. That is, since the pH changes due to electrolysis, it is difficult to determine the amount of hydrochloric acid to be added for pH adjustment.

【手続補正3】[Procedure amendment 3]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0006[Correction target item name] 0006

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【0006】後者の発明は、隔膜式の電解槽を使用して
塩化ナトリウム水溶液を電気分解し、陽極側に生成する
pHの低い(酸性度の強い)次亜塩素酸を含む水溶液
に、陰極側に生成する水酸化ナトリウムを含むpHの高
い(アルカリ性度の強い)水溶液を混合してpH及び残
留塩素濃度を調整するものである。この発明において
は、陽極側に生成する水溶液のpHが極めて低いので
(2.8程度)、遊離の塩素ガスが発生しやすく、殺菌
活性の持続という点で難がある。また塩素ガスが発生す
るとき同じモル量の水素ガスが発生するので、装置の安
全性にも問題がある。
In the latter invention, a sodium chloride aqueous solution is electrolyzed using a diaphragm type electrolytic cell, and an aqueous solution containing hypochlorous acid having a low pH (strong acidity) generated on the anode side is added to the cathode side. The pH and the residual chlorine concentration are adjusted by mixing a high pH (highly alkaline) aqueous solution containing sodium hydroxide generated in the step (1). In the present invention, since the pH of the aqueous solution generated on the anode side is extremely low (about 2.8), free chlorine gas is easily generated, and there is a problem in that the bactericidal activity is maintained. Further, since the same molar amount of hydrogen gas is generated when chlorine gas is generated, there is a problem in the safety of the apparatus.

【手続補正4】[Procedure amendment 4]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0013[Correction target item name] 0013

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【0013】供試菌と供試菌液は以下の通り。 (1)腸内出血性大腸菌 O−157 (2)MRSA (3)枯草菌 の各菌をハアートインフェジョンブイヨンにおいて、3
5度C、20時間の培養後供試菌液とする。
The test bacteria and the test bacterial solution are as follows. (1) Enterohemorrhagic Escherichia coli O-157 (2) MRSA (3) Bacillus subtilis in Haart Infection Bouillon
After culturing at 5 ° C. for 20 hours, it is used as a test bacterial solution.

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 塩化ナトリウム水溶液の無隔膜方式電気
分解により得られる電解水を原水に混合し、次いで中性
水又は酸性水を混合して残留塩素濃度及びpHを調整す
ることを特徴とした、殺菌水の製造方法
1. A method comprising mixing electrolyzed water obtained by non-diaphragm electrolysis of an aqueous solution of sodium chloride with raw water, and then mixing neutral water or acidic water to adjust the residual chlorine concentration and pH. Production method of sterilized water
【請求項2】 塩化ナトリウム水溶液の無隔膜方式電気
分解により得られる電解水を、酸性水が混合された原水
に混合して残留塩素濃度及びpHを調整することを特徴
とした、殺菌水の製造方法
2. Production of sterilized water, characterized in that electrolyzed water obtained by non-diaphragm electrolysis of an aqueous solution of sodium chloride is mixed with raw water mixed with acidic water to adjust the residual chlorine concentration and pH. Method
JP9140934A 1997-05-14 1997-05-14 Process for preparing sterilized water Pending JPH10314747A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9140934A JPH10314747A (en) 1997-05-14 1997-05-14 Process for preparing sterilized water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9140934A JPH10314747A (en) 1997-05-14 1997-05-14 Process for preparing sterilized water

Publications (1)

Publication Number Publication Date
JPH10314747A true JPH10314747A (en) 1998-12-02

Family

ID=15280225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9140934A Pending JPH10314747A (en) 1997-05-14 1997-05-14 Process for preparing sterilized water

Country Status (1)

Country Link
JP (1) JPH10314747A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003511473A (en) * 1999-10-21 2003-03-25 アジェンデ・キミケ・リウニテ・アンジェリニ・フランチェスコ・ア・チ・エレ・ア・エフェ・ソシエタ・ペル・アチオニ Topical, non-cytotoxic, thixotropic antibacterial hydrogel
JP4707873B2 (en) * 2001-05-15 2011-06-22 森永乳業株式会社 Container cultivation method of moss

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003511473A (en) * 1999-10-21 2003-03-25 アジェンデ・キミケ・リウニテ・アンジェリニ・フランチェスコ・ア・チ・エレ・ア・エフェ・ソシエタ・ペル・アチオニ Topical, non-cytotoxic, thixotropic antibacterial hydrogel
JP4707873B2 (en) * 2001-05-15 2011-06-22 森永乳業株式会社 Container cultivation method of moss

Similar Documents

Publication Publication Date Title
CN1196405C (en) Electrolytic synthesis of peracetic acid
JPH078768B2 (en) Sterilized water
RU2297980C1 (en) Method of the electroactivation of the water solutions
JPH10309582A (en) Production method of acidic electrolytic water and acidic electrolytic water
JP2000226680A (en) Production of sterilizing electrolytic water and device therefor
CN113215596A (en) System suitable for industrial production hypochlorous acid sterilized water
JP3145347B2 (en) Method for producing electrolytic ionic water and generated water
JPH10314747A (en) Process for preparing sterilized water
JP3705756B2 (en) Electrolytic solution and electrolyzed water produced by the electrolytic solution
JPH0938655A (en) Electrolytic hypochlorous bactericide water containing ozone, its production and device therefor
JPS62102889A (en) Device for producing bactericidal water
JP4251059B2 (en) Bactericidal electrolyzed water production equipment
CN219195148U (en) Plasma enhanced diaphragm electrolysis device for preparing spectacle lens disinfectant
CN2793058Y (en) Manufacturing device for preparing water for disinfection (sterilization) by electrolysis
JP3205527B2 (en) Method for producing weakly acidic sterilized water and weakly alkaline water
JP2001246383A (en) Electrolyzed water forming device
CN113180056B (en) Hypochlorous acid disinfectant
CN111560623B (en) Method for continuously and stably preparing hypochlorous acid
KR102536412B1 (en) Apparatus and method for producing a composition for killing endospores containing hypochlorous acid and phytic acid
JPH08318279A (en) Sterilizing water for spore bacteria and sterilization of spore bacteria
JP4846298B2 (en) Seawater disinfection method
KR20240025783A (en) Nutrient solution supply system capable of supplying hypochlorous acid water
JP3878289B2 (en) Simultaneous desalination and sterilization electrodialysis system
JPH105764A (en) Production of acidic electrolyzed water and acidic electrolyzed water
SU1456370A1 (en) Method of preserving potable water

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040514

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20060123

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060228

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060501

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20070515