WO2003057261A1 - Procede pour produire une solution aqueuse servant a la sterilisation et a la desinfection et procede d'utilisation de cette derniere - Google Patents

Procede pour produire une solution aqueuse servant a la sterilisation et a la desinfection et procede d'utilisation de cette derniere Download PDF

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Publication number
WO2003057261A1
WO2003057261A1 PCT/JP2002/013872 JP0213872W WO03057261A1 WO 2003057261 A1 WO2003057261 A1 WO 2003057261A1 JP 0213872 W JP0213872 W JP 0213872W WO 03057261 A1 WO03057261 A1 WO 03057261A1
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WO
WIPO (PCT)
Prior art keywords
aqueous solution
water
ppm
chlorine concentration
effective chlorine
Prior art date
Application number
PCT/JP2002/013872
Other languages
English (en)
Japanese (ja)
Inventor
Reiichi Okuda
Original Assignee
Yokohama Tlo Company, Ltd.
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 Yokohama Tlo Company, Ltd. filed Critical Yokohama Tlo Company, Ltd.
Priority to JP2003557618A priority Critical patent/JP3648569B2/ja
Priority to AU2002367269A priority patent/AU2002367269A1/en
Publication of WO2003057261A1 publication Critical patent/WO2003057261A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/18—Liquid substances or solutions comprising solids or dissolved gases

Definitions

  • the present invention relates to medical equipment, food industry, food and beverage industry, veterinary medicine, livestock industry, such as disinfection of various instruments and workers' hands in laboratories handling living organisms, disinfection in hospitals, disinfection in plant cultivation, etc.
  • the present invention relates to a novel supply method of an acidic aqueous solution having a disinfecting effect such as a bactericidal property and an antibacterial property used as a bactericide used in a public place requiring sanitation or a place requiring sterilization / disinfection, or a method for using the same.
  • Conventional technology Conventional technology
  • Electrolyzed water is known as an acidic aqueous solution used for the purpose of sterilization or disinfection.
  • electrolyzed water is, at a minimum, a DC power supply for electrolysis, an anode, a power source, and between the electrodes.
  • An electrolytic cell having a diaphragm, separated into an anode chamber and a power source chamber, a raw water supplied from a raw water introduction pipe, and a sodium chloride aqueous solution supplied from a sodium chloride aqueous solution adding means, and a coating formed by mixing the sodium chloride aqueous solution.
  • Japanese Patent Application Laid-Open No. Hei 4-944785 discloses that raw water and an aqueous solution of sodium chloride supplied from a sodium chloride aqueous solution adding means are provided in one of the electrolytic cells having no diaphragm between both electrodes of the kaleid and the anode.
  • An electrolyzed water producing apparatus is described in which the raw water introduction pipe and the electrolyzed water outlet pipe are connected so that the raw water and the raw water can be mixed.
  • this electrolyzed water production equipment it is possible to produce electrolyzed water in which the residual chlorine concentration and PH are adjusted to a predetermined range, that is, the residual chlorine concentration is 1.0 to 200 ppm and the pH is 3 to 7. Can be.
  • Japanese Patent Application Laid-Open No. H10-309582 discloses that an electrolytic solution having a constant concentration is electrolyzed in a predetermined amount to generate acidic electrolyzed water, and the acidic electrolyzed water contains an inorganic acid such as acetic acid or phosphoric acid. It describes a method for producing acidic electrolyzed water, which comprises adjusting the concentration of hydrogen ion by adding a buffer, stabilizing the concentration of hypochlorous acid in the acidic electrolyzed water, and reducing the change with time.
  • Hypochlorous acid concentration is controlled by adjusting the hydrogen ion concentration to a pH value in the range of 3.5 to 5.5, and preferably to a pH value in the vicinity of 4.5, thereby suppressing a decrease in the concentration due to aging.
  • the produced electrolyzed water can be stored under conditions where the pH is higher than 4.5 and adjusted to a pH of around 4.5 when used for sterilization, etc. Has been described. Problems to be solved by the invention
  • An object of the present invention is to provide a method of using and supplying an acidic aqueous solution that can be used at low cost and easily for the purpose of disinfecting or disinfecting bacteria even in small facilities such as a home or a private hospital.
  • the present inventor has found that a large amount of electrolyzed water or an aqueous solution diluted with hypochlorous acid and / or a salt thereof, in which the quality of a high available chlorine concentration and a high PH value is controlled, is large.
  • Batch production store a fixed amount in a sealed container, provide an amount of activator such as electrolyzed water, etc. that is sufficient for the capacity of the container together with the packed electrolyzed water, etc. It has been found that by mixing and diluting with water at a predetermined temperature, the sterilizing effect of the electrolyzed water or the like can be maintained without losing the sterilizing effect, and at a low price, the present invention can be used easily. Reached.
  • Effective chlorine concentration 20-: LOOO ppm
  • an aqueous solution with a pH of 5-8 is sealed and stored in a container to promote the activation of chlorine components in the aqueous solution before use.
  • a method of using an aqueous solution characterized by adding an activator to the aqueous solution and diluting the same with water at a predetermined temperature.
  • the active chlorine concentration in the aqueous solution after adding an active diligent which promotes the activation of the chlorine component in the aqueous solution and diluting with water is 2 to 40 ppm, pH 2.0 to 3 0.
  • the activator which promotes the activator of chlorine component in the aqueous solution, is an aqueous solution containing at least one selected from the group consisting of citric acid, phosphoric acid, and hydrochloric acid.
  • the aqueous solution of OOO ppm and having a pH of 5 to 8 is electrolyzed water obtained by electrolyzing water or an aqueous solution containing an electrolyte, characterized in that the aqueous solution is any of (1) to (4). How to use the aqueous solution, (6) Electrolyzed water having an effective chlorine concentration of 50 to 200 ppm and a pH of 5 to 8 is an aqueous solution obtained by adding 0.2 to 0.8% by weight of sodium chloride or sodium bicarbonate or water.
  • the aqueous solution having an effective chlorine concentration of 20 to 1000 ppm and a pH of 5 to 8 is an aqueous solution prepared by diluting hypochlorous acid and / or its salt.
  • Effective chlorine concentration of 20 to: LOOO ppm a fixed amount of aqueous solution tightly stored in a container with a pH of 5 to 8 and added to the fixed amount of aqueous solution before use.
  • a method for supplying an aqueous solution characterized by providing an activator that promotes activation of a chlorine component in the aqueous solution packed in a required amount.
  • the required amount to be added to the certain amount of the aqueous solution until the time of use is to add an activator that promotes the activity of the chlorine component in the aqueous solution, and diluted 5 to 10 times with water.
  • the method for supplying an aqueous solution according to (9), wherein the effective chlorine concentration in the aqueous solution after the above is an amount that falls within a range of 2 to 40 ppm and a pH of 2.0 to 3.0.
  • the activator that promotes activation of a chlorine component in the aqueous solution is an aqueous solution containing at least one selected from the group consisting of citric acid, citric acid, and hydrochloric acid. 9) or the method of supplying the aqueous solution according to (10),
  • Electrolyzed water having an effective chlorine concentration of 50 to 200 ppm and a pH of 5 to 8 is an aqueous solution obtained by adding 0.2 to 0.8% by weight of sodium chloride or sodium bicarbonate.
  • the method of using an aqueous solution such as electrolyzed water according to the present invention is that the effective chlorine concentration is 20 to 1000 ppm, and the electrolyzed water having a pH of 5 to 8 is sealed and stored in a container. It is characterized in that an activator for promoting the activation of chlorine in the aqueous solution is added, and diluted with water at a predetermined temperature for use.
  • the method for supplying an aqueous solution such as electrolyzed water of the present invention comprises: a fixed amount of an aqueous solution having an effective chlorine concentration of 20 to 1 000 ppm and sealed and stored in a container having a pH of 5 to 8;
  • the present invention is characterized in that an activator for promoting the activation of chlorine in the aqueous solution packed in a necessary amount, which is added to the aqueous solution before use until use, is provided.
  • the production method of the aqueous solution such as electrolyzed water used or supplied in the present invention is not particularly limited as long as the effective chlorine concentration is 20 to 1000 ppm and the aqueous solution such as electrolyzed water having a pH of 5 to 8 is used.
  • dilute commercially available hypochlorous acid and / or a salt thereof or an aqueous solution thereof so that the effective chlorine concentration is in the range of 20 to: L 000 ppm, and 11 falls in the range of 5 to 8. It can also be obtained by adjusting as described above.
  • distilled water or an aqueous solution Natoriumu chloride in tap water was added from 0.2 to 0.8 weight 0/0, or, in order that pH was obtained electrolyzed water of 7-8
  • a required amount of sodium bicarbonate or sodium hydroxide is further added to the aqueous solution to neutralize the acid generated by electrolysis, and a non-diaphragm electrolytic cell having no diaphragm between the anode side and the cathode side.
  • a non-diaphragm electrolytic cell having no diaphragm between the anode side and the cathode side.
  • the effective chlorine concentration of the aqueous solution such as electrolyzed water used in the present invention is preferably in the range of 20 to; ⁇ ⁇ ⁇ ⁇ ⁇ m. If it is less than 20 ppm, even if it is stored tightly, it will not have sufficient bactericidal activity at the time of use due to a decrease in the effective chlorine concentration, and the number of containers will be increased when packing and transporting, which is inconvenient. In addition, if the effective chlorine concentration is high, it is preferable to preserve it, but if the concentration is higher than 100 ppm, it is a problem of safety in transportation and storage, and it is temporarily generated due to heat generation when adding an active ingredient. There is a problem that the odor of acidic gas such as chlorine gas becomes stronger.
  • the container for storing the aqueous solution of the present invention such as electrolyzed water adjusted as described above is not particularly limited as long as it can be sealed, but when the pH is 7 or less, a container made of an acid-resistant material, When the pH is 8 or more, it is preferable to use a container made of a material having resistance to heat resistance, and a resin container is preferable in consideration of the weight for carrying.
  • the volume of the container can be arbitrarily selected depending on the amount used at a time, for example, if provided in a volume of about 500 m 1 to 1 L packed and diluted 5 to 10 times, 2L ⁇ : L 0L can be adjusted at a time as electrolyzed water. It can be said that it is a sufficient amount when used for sterilization of medical equipment for one day used for medical treatment at private hospitals. .
  • the storage method is preferably to store in a cool and dark place in order to prevent the decomposition of hypochlorous acid, which is one of the active ingredients, and it may be preferable to use a colored container to shield ultraviolet rays and the like.
  • the activating agent for promoting the activating effect of the chlorine component in an aqueous solution such as electrolyzed water used in the present invention is a type in which the chlorine component stored in a chemically stable form is converted into a type in which the bactericidal action appears most strongly.
  • the chlorine component refers to a group of compounds containing a chlorine atom and having a bactericidal effect, and specific examples thereof include hypochlorous acid, chlorous acid, chloric acid, and inorganic salts thereof.
  • hypochlorous acid and hypochlorite can be preferably exemplified.
  • a pH regulator can be exemplified.
  • Specific examples include organic acids and inorganic acids. Preferred examples include acids, phosphoric acid, and hydrochloric acid.
  • the pH after addition of the regulator is lower than 1, the chlorine component is decomposed rapidly, and if the pH is higher than 3, the pH increases when diluted and used. There is a possibility that a bactericidal effect cannot be obtained.
  • the aqueous solution of the present invention such as electrolyzed water to be provided is industrially manufactured in a certain amount in large quantities under a certain quality control and stored tightly, so that it is possible to grasp in advance the required amount of the activator for each container.
  • the user does not need to control the pH using a pH meter or the like.
  • the aqueous solution of the present invention such as electrolyzed water having a high bactericidal effect and safe can be easily obtained simply by mixing and diluting the two at the time of use.
  • the timing of adding the above-mentioned activator to an aqueous solution such as electrolyzed water having a high effective chlorine concentration which is stored tightly is not particularly limited as long as it is not actually used, but since the chlorine component is gradually decomposed, it is used. It is preferably added immediately before. After the addition of the activator, it can be used after being diluted with tap water without any particular stirring.
  • the aqueous solution of the present invention such as electrolyzed water
  • the aqueous solution of the present invention is characterized in that, after the addition of the activator, it is diluted with water at a predetermined temperature before use.
  • the temperature of an aqueous solution such as electrolytic water is easily adjusted by appropriately adjusting the temperature of the water used for dilution, which is difficult to realize in a conventional electrolytic water production apparatus. be able to.
  • the effective chlorine concentration in the aqueous solution such as electrolyzed water after use after dilution with the water of the present invention is preferably 2 to 40 ppm, and the pH is preferably in the range of 2.0 to 3.0. If the effective chlorine concentration is less than 2 ppm, a sufficient bactericidal effect cannot be obtained, and if it exceeds 40 ppm, irritation to the living body will be exhibited. Further, it is less than P H 2, fast decomposition of chlorine component, exceeds p H 3, in the effective chlorine concentration, sufficient bactericidal effect.
  • a sufficient bactericidal effect can be obtained even at an effective chlorine concentration as low as 2-40 ppm, and therefore, it can be set at any temperature. Even if the chlorine component is decomposed and volatilized to some extent by dilution with constant water, a sufficient bactericidal effect can be obtained, and thus it can be said that the use method as in the present invention has become possible. Electric The ability to adjust the bleeding water to a predetermined temperature enables effective use, especially when the aqueous solution of the present invention such as electrolyzed water is used for disinfection of skin and the like in the winter season when the outside air temperature is low, with little irritation due to low water temperature. It can be said that it can be done.
  • the method of use or supply of the present invention is that an aqueous solution such as electrolytic water having an effective chlorine concentration of 20 to 100 ppm and a pH of 5 to 8 is sealed and stored in a container, and used until the time of use. During the period, a fragrance previously treated with hypochlorous acid can be added.
  • the aqueous solution such as electrolyzed water of the present invention is used not only for sterilization of instruments and the like, but also for medical activities such as sterilization of skin, mucous membrane or wound surface, and sterilization of oral cavity. In that case, the problem of chlorine odor may occur.
  • a fragrance is often used.
  • a commonly used fragrance is used by adding it to the aqueous solution of the present invention such as the electrolytic water, the effective chlorine component often becomes a fragrance.
  • the bactericidal effect was significantly reduced.
  • This problem could be solved by using a perfume pretreated with hypochlorous acid or its salt, which is an effective chlorine component produced by electrolysis or the like.
  • the fragrance used is preferably not one in which the odor component changes when treated with hypochlorous acid or a salt thereof, but many do not show this kind of deterioration.
  • flavors such as loin, lavender, and peppermint can be used.
  • the method of treating the fragrance may be, for example, a method of adding hypochlorous acid or a salt thereof and an acid to a fragrance solution of a water-soluble solvent such as alcohol, or a method of performing electrical angle separation using an electrolyte-containing aqueous solution containing the fragrance. It can be illustrated.
  • the fragrance adjusted as described above is added to the aqueous solution of the present invention such as the above-mentioned high-concentration electrolytic water, the aqueous solution of the present invention such as electrolytic water after adding an activating agent, or the aqueous solution of the present invention such as electrolytic water after dilution.
  • the problem of odor can be solved, and when used for treatment, the therapeutic effect of the odor component can be added.
  • the aqueous solution such as electrolyzed water of the present invention, or the flavor for addition may contain other components as necessary. It can also be added.
  • a medicinal ingredient such as chlorhexine dalconate, sodium fluoride, etc., a mouthwash, xylitol as a sweetener, glycerin as a humectant, etc. can be added for washing the mouth.
  • Tap water 400 mO1 also applied 16 g of sodium chloride and electrolyzed by applying electricity for 30 minutes in a single-layer flat-type electrolytic cell.PH 7.2, oxidation-reduction potential 5
  • Electrolyzed water having an active chlorine concentration of 6 O mV and an active chlorine concentration of 220 ppm was obtained. These electrolyzed waters were dispensed into four 100-Om1 square plastic containers and sealed. Two of these were stored in the dark at room temperature, and one part was collected at each elapsed day shown in Table 1, adjusted to pH using dilute hydrochloric acid, and diluted 10 times with water. The oxidation-reduction potential was measured. Table 1 summarizes the results. Comparative Example 1
  • Dilute hydrochloric acid was added to the electrolyzed water dispensed into the 1-L plastic container in Example 1 to adjust the pH to 2.2, and then sealed and stored at room temperature in a dark place.
  • One part was sampled over the number of days shown in Table 1 and diluted 10-fold, and then the available chlorine concentration and the oxidation-reduction potential were measured. Table 1 summarizes the results.
  • diluted hydrochloric acid (appropriately diluted 4 ml of concentrated hydrochloric acid) was added, and further diluted 10 times to prepare electrolytic water. At that time, the pH was 2.6, and the available chlorine concentration was 15 ppm. After 0.1 ml of each bacterial solution shown in Table 2 was treated with 0.9 ml of the adjusted electrolytic water for 3 minutes, the number of viable bacteria was determined by serially diluting the solution with nut triene t b ro th 10 times. For comparison, an electrolyzed water untreated section was provided.
  • the same electrolyzed water was prepared as in Example 2, except that the temperature of the water for diluting the hermetically stored electrolyzed water was set at 60.
  • the adjusted electrolyzed water had a pH of 2.7, an effective chlorine concentration of 13 ppm, and had a similar bactericidal effect.
  • the invention's effect was described as in Example 2, except that the temperature of the water for diluting the hermetically stored electrolyzed water was set at 60.
  • the adjusted electrolyzed water had a pH of 2.7, an effective chlorine concentration of 13 ppm, and had a similar bactericidal effect.
  • strongly acidic electrolyzed water can be used inexpensively, simply, and safely, and the temperature can be easily adjusted.
  • strongly acidic electrolyzed water is harmless to the human body, it has a strong bactericidal effect, so it can be used in medical and food processing sites, and the method of the present invention must be used. Therefore, it can be said that the industrial use value is further improved.

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

L'invention concerne un procédé de production d'une solution aqueuse acide pouvant être employée de manière économique et pratique pour la stérilisation et la désinfection dans des installations à petite échelle, par exemple dans des installations domestiques ou dans des hôpitaux privés, et son procédé d'utilisation. Selon l'invention, une solution aqueuse présentant une concentration effective de chlore comprise entre 20 et 1000 ppm et un pH compris entre 5 et 8 est conservée dans un contenant hermétiquement fermé. Un activateur pouvant favoriser l'activation du composant chlore dans la solution aqueuse avant son utilisation est ajouté. La solution aqueuse obtenue est diluée dans l'eau à une température définie puis utilisée. L'invention concerne également une quantité définie d'une solution aqueuse présentant une concentration effective de chlore comprise entre 20 et 1000 ppm et un pH compris entre 5 et 8, conservée dans un contenant hermétiquement fermé, et un activateur pouvant favoriser l'activation du composant chlore dans la solution aqueuse, emballé, dans une quantité requise, dans un contenant et ajouté à la quantité définie de solution aqueuse avant son utilisation.
PCT/JP2002/013872 2001-12-28 2002-12-27 Procede pour produire une solution aqueuse servant a la sterilisation et a la desinfection et procede d'utilisation de cette derniere WO2003057261A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2003557618A JP3648569B2 (ja) 2001-12-28 2002-12-27 除菌または消毒を目的とする水溶液の供給方法及び使用方法
AU2002367269A AU2002367269A1 (en) 2001-12-28 2002-12-27 Method of supplying aqueous solution for sterilization and disinfection and method of using the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001-399351 2001-12-28
JP2001399351 2001-12-28

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WO2003057261A1 true WO2003057261A1 (fr) 2003-07-17

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AU (1) AU2002367269A1 (fr)
WO (1) WO2003057261A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015029263A1 (fr) * 2013-08-30 2015-03-05 株式会社エピオス Solution de nettoyage et procédé pour sa fabrication

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02111708A (ja) * 1988-06-06 1990-04-24 Jipukomu Kk 殺菌水
JPH05237478A (ja) * 1991-11-07 1993-09-17 Omuko:Kk 殺菌水製造方法
JPH08164189A (ja) * 1994-12-15 1996-06-25 Morinaga Milk Ind Co Ltd 殺菌方法
JPH09122651A (ja) * 1995-11-02 1997-05-13 Ideii:Kk 血液透析装置殺菌消毒用弱酸性電解酸性水及びその供給装置
JPH1024294A (ja) * 1996-05-10 1998-01-27 Hoshizaki Electric Co Ltd 弱酸性の塩素系殺菌水の製造方法
JP2000070346A (ja) * 1998-09-01 2000-03-07 Kinosui Kenkyusho:Kk 電解水保存装置
JP2000185285A (ja) * 1998-10-15 2000-07-04 Daikin Ind Ltd 電解殺菌水およびその製造装置
JP2001029955A (ja) * 1999-07-16 2001-02-06 Terumo Corp 被電解水および電解水

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02111708A (ja) * 1988-06-06 1990-04-24 Jipukomu Kk 殺菌水
JPH05237478A (ja) * 1991-11-07 1993-09-17 Omuko:Kk 殺菌水製造方法
JPH08164189A (ja) * 1994-12-15 1996-06-25 Morinaga Milk Ind Co Ltd 殺菌方法
JPH09122651A (ja) * 1995-11-02 1997-05-13 Ideii:Kk 血液透析装置殺菌消毒用弱酸性電解酸性水及びその供給装置
JPH1024294A (ja) * 1996-05-10 1998-01-27 Hoshizaki Electric Co Ltd 弱酸性の塩素系殺菌水の製造方法
JP2000070346A (ja) * 1998-09-01 2000-03-07 Kinosui Kenkyusho:Kk 電解水保存装置
JP2000185285A (ja) * 1998-10-15 2000-07-04 Daikin Ind Ltd 電解殺菌水およびその製造装置
JP2001029955A (ja) * 1999-07-16 2001-02-06 Terumo Corp 被電解水および電解水

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015029263A1 (fr) * 2013-08-30 2015-03-05 株式会社エピオス Solution de nettoyage et procédé pour sa fabrication
US10194665B2 (en) 2013-08-30 2019-02-05 Epios Co., Ltd. Cleaning solution and manufacturing method therefor

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JP3648569B2 (ja) 2005-05-18
AU2002367269A1 (en) 2003-07-24
JPWO2003057261A1 (ja) 2005-05-12

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