WO2017099085A1 - Procédé de nettoyage d'articles ayant été portés sur un corps humain - Google Patents

Procédé de nettoyage d'articles ayant été portés sur un corps humain Download PDF

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Publication number
WO2017099085A1
WO2017099085A1 PCT/JP2016/086247 JP2016086247W WO2017099085A1 WO 2017099085 A1 WO2017099085 A1 WO 2017099085A1 JP 2016086247 W JP2016086247 W JP 2016086247W WO 2017099085 A1 WO2017099085 A1 WO 2017099085A1
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WIPO (PCT)
Prior art keywords
cleaning
electrolyzed water
water
slightly acidic
human body
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Application number
PCT/JP2016/086247
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English (en)
Japanese (ja)
Inventor
昌行 柳沢
威 高塚
裕司 宮川
加藤　昌明
清之 丹治
鈴木　順
宮坂　講治
Original Assignee
新日本空調株式会社
東京電力ホールディングス株式会社
デノラ・ペルメレック株式会社
株式会社 宮坂アソシエイツ
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Application filed by 新日本空調株式会社, 東京電力ホールディングス株式会社, デノラ・ペルメレック株式会社, 株式会社 宮坂アソシエイツ filed Critical 新日本空調株式会社
Priority to JP2017555081A priority Critical patent/JP6893176B2/ja
Publication of WO2017099085A1 publication Critical patent/WO2017099085A1/fr

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/04—Treating liquids
    • G21F9/06—Processing
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/28—Treating solids
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks

Definitions

  • the present invention is used for masks, gloves and other items worn on the human body (hereinafter referred to as “human body-equipped products”) used in construction and work sites, and more specifically, for example, for operations performed in a nuclear power plant.
  • the present invention relates to a method for cleaning a mask (hereinafter also referred to as “working mask” or “mask”).
  • a full-face mask that covers a whole face with a rubber eyepiece attached with a resin eyepiece or the like.
  • a half mask that covers only the mouth and nose.
  • the full-face mask and half-face mask are not disposable, and are washed and used for the next use after the work of one day is completed, and this is repeated.
  • Patent Document 1 and Patent Document 2 As mask cleaning methods and cleaning apparatuses, the inventions of Patent Document 1 and Patent Document 2 have been proposed. However, these conventional methods and apparatuses assume several to no more than about 20 masks to be cleaned at a time (in addition to the description in the specifications of both documents, FIG. It is difficult to apply or introduce when a large number of thousands of masks need to be cleaned every day as described above.
  • the Fukushima Daiichi Nuclear Power Station employs a cleaning method in which the mask is first washed with water, then dried, and then wiped with alcohol by many hands (see Non-Patent Document 1 and FIG. 6). According to this cleaning method, dirt is removed by washing with water, and sterilization is performed with alcohol.
  • the conventional cleaning method may not be able to sufficiently sterilize or inactivate viruses.
  • norovirus when norovirus adheres to the mask from the exhaled breath (such as saliva droplets) of an infected worker, it is insufficient to remove and inactivate it (Non-Patent Document 3).
  • Non-Patent Document 3 Fukushima At the Daiichi Nuclear Power Station, if there is a concern about infection with norovirus through a mask, the mask is wiped off with a paper waste using a chlorine-based disinfectant separately to prevent the spread of infection.
  • the paper waste used for the alcohol wiping is waste generated in the radiation control area, and must be processed in the power plant as waste.
  • the present invention has been made in view of the above problems, and removes mask odors by efficiently performing manual cleaning on a large amount of used masks in human bodies, particularly in a nuclear power plant, with minimal manual work.
  • Another object of the present invention is to provide a method for cleaning a working mask that can remove bacteria and viruses adhering to the mask, in particular, can constantly inactivate norovirus.
  • the present invention provides a method for cleaning a human body-worn product, the step of washing the human body-worn product with alkaline electrolyzed water (first step), and the first step. And a step (second step) of cleaning the human body-worn product with slightly acidic electrolyzed water.
  • the present invention provides the method for cleaning a human-wearable product, wherein the alkaline electrolyzed water has a pH of 9.5 to pH 11.5.
  • the present invention provides the method for cleaning a human body-mounted product, wherein the slightly acidic electrolyzed water has an effective chlorine concentration of 38.9 ppm to 80 ppm and pH 5.0 to pH 6.5.
  • the present invention provides the above-described method for cleaning a human body wearing product using alkaline electrolyzed water and slightly acidic electrolyzed water produced simultaneously by one electrolyzed water producing apparatus.
  • the present invention is a process for treating the waste water of slightly acidic electrolyzed water and alkaline electrolyzed water used in the first step and the second step, and eliminates impurities in the waste water while freezing the waste water.
  • a large number of masks used in human body wear are cleaned without wiping with alcohol, removing mask odors, and removing bacteria and viruses attached to the mask. It can be sterilized or inactivated.
  • the used mask has a problem of odor generated when the attached dirt (human sweat, sebum, dust, etc.) is not sufficiently washed, and infection due to remaining attached bacteria and viruses.
  • the attached dirt human sweat, sebum, dust, etc.
  • different processes are sequentially used in the present invention as described below.
  • FIG. 1 A chart showing the flow of mask cleaning using the method of the present invention is shown in FIG.
  • the used mask is washed with alkaline electrolyzed water.
  • alkaline electrolyzed water in the present invention alkaline electrolyzed water as functional water generated by electrolysis is used.
  • Alkaline electrolyzed water has a pH comparable to that of soapy water in order to dissolve proteins and wash lipids such as sebum. That is, the pH of the alkaline electrolyzed water used in the present invention is in the range of pH 9.5 to pH 11.5. Since the solubility with respect to lipid etc. becomes high, that whose pH of alkaline electrolysis water is large is preferable.
  • Alkaline electrolyzed water is placed in a cleaning sink, and a used mask is put in as needed, and immersed in the alkaline electrolyzed water of the cleaning sink.
  • a plurality of (many) immersions can be performed at one time, and the number of masks that can be immersed at a time can be increased by increasing the size of the cleaning sink (for example, several tens to several hundreds).
  • the immersion time can be appropriately determined depending on the pH of the alkaline electrolyzed water, the degree of contamination of the mask, and the like.
  • the washing effect is further increased by shower washing with pressurized alkaline electrolyzed water.
  • bacteria and viruses attached to the mask are sterilized or inactivated.
  • alcohol sterilization conventionally used as a method for sterilizing a large amount of used masks is effective for many bacteria and influenza viruses, but it cannot inactivate norovirus, for example.
  • sodium hypochlorite liquid 200 ppm, 1000 ppm
  • sodium hypochlorite liquid 200 ppm, 1000 ppm
  • the use of this for a mask is problematic from the viewpoint of toxicity, odor, and rough skin.
  • sodium hypochlorite deteriorates the mask rubber material and the like, so the solution cannot be used for the above-described working mask.
  • slightly acidic electrolyzed water as functional water generated by electrolysis is used in order to inactivate bacteria or viruses.
  • the inventors conducted not only the fact that slightly acidic hypochlorous acid water, which is slightly acidic electrolyzed water, does not deteriorate the mask rubber material, but also experiments using norovirus-related feline calicivirus (hereinafter referred to as “norovirus”). The following points were found for the effect of slightly acidic electrolyzed water on norovirus.
  • FIG. 3 shows a graph of the relationship between the effective chlorine concentration and the infectious value logarithmic decrease value in this experiment.
  • the logarithmic decrease in infectivity value was 0.841.
  • Increasing the effective chlorine concentration in slightly acidic electrolyzed water shows a change in the infectious titration logarithmic decrease value, and the effective infectious titration logarithmic decrease value is maximum when the effective chlorine concentration is 38.9 ppm. 188.
  • the effective chlorine concentration is 53.1 ppm, 82.8 ppm, and the effective chlorine concentration is 38.9 ppm.
  • the logarithmic decrease in infectivity value was 4.188 (maximum from the experimental conditions).
  • the effective chlorine concentration of slightly acidic electrolyzed water is 38.9 ppm
  • the infectious titration logarithmic decrease value reaches the maximum value, and even if the effective chlorine concentration is higher than this, the infectious titration logarithmic decrease value does not change. found. Therefore, if the effective chlorine concentration of slightly acidic electrolyzed water is set to 38.9 ppm or more, it can be said that the maximum value of the infectious value logarithm decrease value can be obtained. Since the maximum infectious value logarithm reduction value of 4.188 is sufficient to inactivate norovirus, the effective chlorine concentration of slightly acidic electrolyzed water is set to 38.9 ppm or more to prevent norovirus. An inactivation effect is surely obtained.
  • the effective chlorine concentration of the slightly acidic electrolyzed water is preferably 80 ppm or less. It is.
  • the effective chlorine concentration of slightly acidic electrolyzed water that is recognized as a bactericidal agent for food additives is also recognized up to 80 ppm (2012 Ministry of Health, Labor and Welfare Notification No. 1 that revises some standards for food, additives, etc.) 345).
  • the range of the effective chlorine concentration of the slightly acidic electrolyzed water of the present invention is preferably 38.9 to 80 ppm.
  • the pH of the slightly acidic electrolyzed water is premised on the range in which the residual ratio of effective chlorine concentration in the liquid is high (pH 2.5 to pH 6.5 of about 85% or more). From the viewpoint of safety to the human body, the pH is 5.0 to It is appropriate to make it slightly acidic at pH 6.5.
  • Slightly acidic electrolyzed water exhibits a bactericidal and inactivating effect against viruses and fungi other than norovirus.
  • slightly acidic electrolyzed water having an effective chlorine concentration of 38.9 ppm, Staphylococcus aureus, MRSA (methicillin-resistant Staphylococcus aureus), Salmonella, Vibrio parahaemolyticus, enterohemorrhagic Escherichia coli, Campylobacter, Candida (fungus), influenza virus
  • a sterilization or inactivation effect occurs at a contact time of 10 seconds.
  • slightly acidic slightly acidic electrolyzed water having an effective chlorine concentration of 60 ppm and pH 6.0
  • TCID50 / ml is ⁇ 40 with a contact time of 0.5 minutes or more against influenza A virus.
  • the slightly acidic electrolyzed water is Bacillus cereus, heat-resistant spores, Bacillus subtilis, Clostridium botulinum, Escherichia coli O157: H7, Legionella, lactic acid bacteria (cocci), Listeria, tuberculosis, Pseudomonas aeruginosa, Serratia, dysentery Bactericidal or inactive effects on fungi, cholera, soft rot, Yersinia, black mold, onion gray rot, tomato gray fungus, tomato wilt fungus, fungi, rice blast, Saccharomyces, etc. have been confirmed.
  • the method of applying strong acidic electrolyzed water (SAD) soot is also effective for cleaning and disinfecting atypical mycobacteria, which are said to have higher antiseptic resistance. Therefore, according to the present invention, which is first washed with alkaline electrolyzed water and then washed with slightly acidic electrolyzed water, it is considered that a bactericidal effect can be obtained even against mycobacterium tuberculosis.
  • the slightly acidic electrolyzed water of the present invention has a sufficient bactericidal or inactive effect against various bacteria and viruses, and has no problems in terms of toxicity, odor, and rough skin. Further, as will be described later, the mask rubber material or the like is not deteriorated.
  • the slightly acidic electrolyzed water is placed in a cleaning sink, and the mask processed in the first step is immersed.
  • Multiple (multiple) immersions can be performed at one time, and the number of masks that can be immersed at a time can be increased by increasing the size of the cleaning sink (for example, several tens to several hundreds).
  • the immersion time can be appropriately determined depending on the effective chlorine concentration and pH of the slightly acidic electrolyzed water, the degree of mask contamination, and the like.
  • the washing effect is further increased by shower washing with pressurized slightly acidic electrolyzed water.
  • the source of odor is lipids such as protein and sebum, and odor is generated by the action of bacteria on these.
  • protein and lipid are first washed in the first step using alkaline electrolyzed water, and then sterilized in the second step using slightly acidic electrolyzed water, thereby suppressing the generation of odor. it can.
  • ATP is an abbreviation for Adenosine triphosphate (adenosine triphosphate), and is a chemical substance present in cells (food residues, etc.) as an energy source for all living organisms. ATP is contained in animals, foods, and fungi, and is present in carcasses and food residues as well as body fluids generated therefrom. The presence of ATP means that there are traces of organisms, and that it is an environment in which fungal food is present. When ATP is decomposed by the action of heat or enzyme, it becomes AMP (Adenosine monophosphate).
  • ATP and AMP are present in all cells, they are used as a contamination index derived from cells and cells.
  • the amount of ATP (and the amount of AMP) is large, it can be evaluated that there is a lot of dirt.
  • the amount of ATP (and the amount of AMP) is reduced, it can be evaluated that the dirt has been removed, and it can be determined that the odor reduction effect has been obtained.
  • ATP (+ AMP) measurement is used, and since the amount of AMP is measured in addition to the amount of ATP, it can be evaluated with higher sensitivity.
  • the ATP reduction effect was evaluated by the ATP value, and the amount of ATP in the microorganism was measured.
  • an ATP evaluation kit Lumitester product number PD-30 manufactured by Kikkoman Biochemifa Co., Ltd. was used.
  • the ATP reduction effect is remarkably high in the tests of Test Nos. 1 to 3 including the step of shower washing with alkaline electrolyzed water as well as the oil and fat cleaning effect, and the washing with alkaline electrolyzed water alone (Test No. 3)
  • the reduction effect was further increased by adding a washing step with slightly acidic electrolyzed water in the subsequent step (Test Nos. 1 and 2). Therefore, the cleaning effect on the ATP dissolved in olive oil as a contaminating material is the same as the oil cleaning effect in the cleaning method (test numbers 1 to 11). It was confirmed that a high ATP reduction effect (cleaning effect) can be obtained by a method (test numbers 1 and 2) that combines washing with water.
  • the measurement results of tensile strength at break are shown in FIG.
  • the tensile strength at break was 25.3, 23.3, 25.5 and 21.6 for tap water, respectively, while slightly acidic electrolyzed water Were 19.9, 23.0, 22.6, and 22.5, respectively, and alkaline electrolyzed water were 22.1, 22.7, 23.2, and 21.8, respectively (unit is MPa). From this measurement result, it was confirmed that washing with slightly acidic electrolyzed water and alkaline electrolyzed water maintained the same strength as tap water washing.
  • the measurement result of elongation at break (%) is shown in FIG.
  • the elongation at break was 410, 500, 490 and 410 for tap water, respectively, while slightly acidic electrolyzed water Were 430, 440, 490, and 510, respectively, and 390, 420, 420, and 500 for alkaline electrolyzed water, respectively (unit:%). From this measurement result, it was confirmed that cleaning with slightly acidic electrolyzed water and alkaline electrolyzed water had the same level of growth as tap water cleaning.
  • the paper waste with alcohol since the paper waste with alcohol is not used for sterilization, it can avoid generating a waste material.
  • the slightly acidic electrolyzed water of the present invention can be produced by introducing sodium chloride (sodium chloride) into tap water and electrolyzing it.
  • slightly acidic electrolyzed water is generated only from salt, water and electricity, and has no impurities. For this reason, management for chemicals is not required.
  • generated slightly acidic electrolyzed water does not contain a carbonaceous substance and trihalomethane (it produces
  • no special elements or hydrocarbon materials are used, there is no possibility that an excessive load is applied to the multi-nuclide removal equipment.
  • the alkaline electrolyzed water and the slightly acidic electrolyzed water in the present invention are preferably generated by an electrolyzed water three-chamber method using a three-chamber electrolytic cell.
  • the electrolytic cell is composed of an anode chamber (anode), a diaphragm, an intermediate chamber, a diaphragm, and a cathode chamber (cathode) in this order.
  • Raw water is supplied to the liquid passage portions of the anode chamber and the cathode chamber, and the electrolyzed substance solution is supplied to the liquid passage portion of the intermediate chamber.
  • ions necessary for electrolysis are supplied to the anode chamber and the cathode chamber through the diaphragm.
  • the mask cleaning can be performed more efficiently.
  • each mask After drying, each mask is checked for parts and stored in a storage room or the like for the next use.
  • the working mask was demonstrated as an example above, it can apply to a working glove and other human body wearing goods.
  • Embodiment 2 For example, water used for cleaning masks used in radiation control areas is purified, but it is not easy to remove radioactive materials from contaminated water containing radioactive materials, etc. Transported and stored. Since the storage tank has to be expanded as the amount of the waste water increases, conventionally, it has been an important issue how to secure the space for laying the storage tank.
  • the alkaline electrolyzed water used in the first step and the slightly acidic electrolyzed water used in the second step are mixed with impurities attached to the mask.
  • slightly acidic electrolyzed water is generated by adding sodium chloride (sodium chloride) to tap water and electrolyzing, but chlorine is used for sterilization in the process of mask cleaning and decreases. Impurities such as substances are mixed.
  • the amount of drainage to be stored is reduced. That is, by separating the water containing impurities from the wastewater and water containing no impurities (or low content), the amount of wastewater that needs to be stored (water containing impurities) is reduced and the number of storage tanks is increased. Reduce the amount. Note that water that does not contain impurities (or has a small content) can be reused.
  • the impurity separation device 1 for the separation is configured to include a sprinkler 2, an ice making coil 3, and a water storage tank 4 below the sprinkler 2.
  • the waste water used for the mask cleaning is transferred from the supply source 5 to the drain tank 6.
  • the drainage is supplied from the drainage tank 6 through the pump 8 to the sprinkler 2 through the drainage supply path 7 and sprayed toward the ice making coil 3.
  • the waste water sprayed from the sprinkler 2 adheres to the outer peripheral surface (cooling surface) of the ice making coil 3 and is cooled.
  • the ice making coil can be cooled by circulating a refrigerant in the same manner as a general ice making coil, and the cooling surface can be cooled to a desired temperature.
  • the refrigerator 9 is connected to the ice making coil 3 through the refrigerant supply pump 10 as a heat source device for supplying the refrigerant 11, and the cooling surface of the ice making coil is set to a temperature at which the drainage can be frozen.
  • the sprayed water is cooled while dropping down the cooling surface of the ice making coil. Therefore, it freezes at a moderate speed compared with the case where it is left still and cooled. That is, as shown in FIG. 5, the drainage adheres to the cooling surface 12 of the ice making coil 3 and is cooled, and ice gradually grows and spreads continuously or intermittently from the sprinkler 2 on the surface of the grown ice. Ice is generated while the drainage 15 further adheres and flows down. As the ice grows slowly, impurities 25 such as radioactive substances are pushed out from the ice 13 to the interface 14 as indicated by arrows 17. The sprayed wastewater further drops and flows down the interface, and the interface 14 moves slowly as indicated by an arrow 16.
  • the impurities 25 pushed out from the ice 13 to the interface 14 are washed away.
  • ice that does not contain impurities (or very little) is generated in the ice making coil.
  • a water storage tank 4 that receives the waste water sprayed from the water sprinkler and not frozen by the ice making coil.
  • the waste water received in the water storage tank is circulated using a circulation pump and piping, and is configured to be sprayed again from the sprinkler.
  • a circulation pump and piping By circulating the drained water that has fallen without being frozen by the ice making coil and repeating watering, the removal of impurities in the waste water is repeated, and ice from which impurities have been further removed by the ice making coil is generated.
  • the water tank 4 disposed below the water sprinkler 2 and the ice making coil 3 is connected to the water tank 6 through the water return path 19. Thereby, it becomes possible to circulate waste water.
  • the wastewater stored in the water storage tank 4 is sent to the drainage tank 6 to empty the water storage tank 4.
  • the wastewater is concentrated because impurities such as radioactive substances are concentrated.
  • the circulation of the refrigerant in the ice making coil is stopped and naturally thawed, or a heating medium is circulated in the ice making coil to obtain deicing water.
  • the deicing water is sent to the recovery tank 20 through the deicing water supply path 21. This deicing water is clean water and can be reused.
  • the drainage return path 19 and the drainage supply path 21 are respectively provided with automatic valves 18 for branching and sending the returned drainage and deicing water to the drainage tank 6 or the water recovery tank 20.
  • a biological filtration method may be used as a pretreatment. That is, before performing the above freeze concentration, the waste water is passed through a carrier layer to which microorganisms are attached, and biological decomposition of BOD (biochemical oxygen demand) and SS (suspended solids, The oil is removed in advance by simultaneously removing the suspended substance) by physical filtration.
  • BOD biological oxygen demand
  • SS suspended solids
  • the present invention for example, even when a large amount of used masks are used, cleaning can be performed efficiently and sweat and sebum adhering to the masks can be sufficiently removed. Thereby, it is possible to suppress odors and the like that can be emitted from the mask.

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  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
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  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
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  • Cleaning By Liquid Or Steam (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Physical Water Treatments (AREA)

Abstract

L'invention a pour objet un procédé de nettoyage d'un article ayant été porté sur le corps humain, qui permet de nettoyer efficacement un grand volume de masques de travail usagés et d'autres articles ayant été portés sur le corps humain et d'enlever l'odeur de ces derniers sans impliquer de travail manuel et qui permet de désactiver des bactéries et des virus, en particulier des norovirus, fixés à l'article ayant été porté sur le corps humain. À cet effet, l'invention porte sur un procédé de nettoyage de masques de travail et d'autres articles ayant été portés sur le corps humain dans une centrale nucléaire, comprenant : une étape (première étape) consistant à nettoyer un article usagé ayant été porté sur le corps humain avec de l'eau électrolytique alcaline ; et une étape (seconde étape) consistant à nettoyer, après la première étape, l'article usagé ayant été porté sur le corps humain avec de l'eau électrolytique légèrement acide.
PCT/JP2016/086247 2015-12-07 2016-12-06 Procédé de nettoyage d'articles ayant été portés sur un corps humain WO2017099085A1 (fr)

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JP2017555081A JP6893176B2 (ja) 2015-12-07 2016-12-06 人体装着品の洗浄方法

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JP2015-238848 2015-12-07

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CN112004617A (zh) * 2018-03-28 2020-11-27 迈科清洗科技集团公司 清洁至少一个呼吸装置的方法和设备

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JP2004121655A (ja) * 2002-10-04 2004-04-22 Akira Uzawa 洗剤を使わない洗濯機及び洗濯法
JP2007268346A (ja) * 2006-03-30 2007-10-18 Shimazaki Denki Kk 電解装置における電解質槽の給排水装置
JP2011147789A (ja) * 2007-12-31 2011-08-04 Masaaki Arai 空気清浄装置、製氷装置、内視鏡用洗浄装置、洗髪装置、水耕栽培装置および洗車装置

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