WO2015049891A1 - Procédé de purification de l'air présent dans une pièce et dispositif d'utilisation associé - Google Patents

Procédé de purification de l'air présent dans une pièce et dispositif d'utilisation associé Download PDF

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Publication number
WO2015049891A1
WO2015049891A1 PCT/JP2014/060961 JP2014060961W WO2015049891A1 WO 2015049891 A1 WO2015049891 A1 WO 2015049891A1 JP 2014060961 W JP2014060961 W JP 2014060961W WO 2015049891 A1 WO2015049891 A1 WO 2015049891A1
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WIPO (PCT)
Prior art keywords
aqueous solution
hypochlorous acid
air
solution containing
containing hypochlorous
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PCT/JP2014/060961
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English (en)
Japanese (ja)
Inventor
隆平 亀井
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株式会社シリウス
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Publication of WO2015049891A1 publication Critical patent/WO2015049891A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/117—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using wet filtering
    • F24F8/125—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using wet filtering using wet filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/117—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using wet filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/24—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Definitions

  • the present invention relates to a method for purifying indoor air that efficiently removes viruses and bacteria drifting indoors in a short time.
  • the invention also relates to an apparatus for use in the method for cleaning indoor air.
  • An object of the present invention is to provide a method for purifying indoor air that efficiently removes viruses and bacteria drifting indoors in a short time, and a device for use in the method.
  • the present inventor has found that indoor air is an aqueous solution containing hypochlorous acid having a pH of 5 to 7 and having a concentration of hypochlorous acid in the range of 20 ppm to 200 ppm. Return to the indoors again through the impregnated sterilization filter. At this time, the supply amount of the aqueous solution containing hypochlorous acid is in the range of 200 mL / hour to 730 mL / hour at room temperature of 20 ° C. and relative humidity of 30%. As a result, it was found that viruses and bacteria drifting indoors can be efficiently removed in a short time, and the present invention has been completed.
  • the present invention (1) A method of purifying indoor air by passing the taken indoor air through a sterilizing filter impregnated with an aqueous solution containing hypochlorous acid and returning the indoor air again.
  • the aqueous solution containing hypochlorous acid is a solution of pH 5 to pH 7 in which the concentration of hypochlorous acid is in the range of 20 ppm to 200 ppm, and the amount of aqueous solution containing hypochlorous acid supplied to the room is 20 room temperature.
  • the aqueous solution containing hypochlorous acid has a mechanism that flows from an exchangeable cartridge container filled with the aqueous solution into an impregnation tray provided with the sterilization filter.
  • the sterilization filter is composed of a corrugated structure having a large number of communication holes leading from the front to the back, the communication holes having a hole diameter of 4 mm to 7 mm and a hole length of 4.5 cm to 6.5 cm.
  • An apparatus for use in the method according to any one of (1) to (4) An apparatus main body in which an air passage portion formed in the main body communicates with outside air at an air inlet on the side of the main body and an air outlet at the top of the main body, A blower that takes in indoor air from the intake port, sends it to the air passage portion, and discharges it from the blowout port; A sterilization filter that is blown and passes air that is flowed through the air passage portion; An impregnation tray provided so that the sanitizing filter is impregnated with an aqueous solution containing hypochlorous acid in the tray; A replaceable cartridge container filled with an aqueous solution containing hypochlorous acid, and a solution flow path through which the aqueous solution containing hypochlorous acid flows into the impreg
  • a method for purifying indoor air that efficiently removes viruses and bacteria drifting indoors in a short time and an apparatus for use in the method.
  • the aqueous solution containing hypochlorous acid used in the present invention is not produced by electrolysis, but is prepared outside, for example, stored in a replaceable cartridge container or the like. Regardless of the efficiency of degradation, etc., the required amount can be supplied at any time, and since it has been adjusted to a pH advantageous for virucidal activity and sterilization activity, it is always stable. Indoor air can be cleaned. Moreover, since the method of this invention humidifies indoors as a result, it can be used also as a humidification method accompanying the cleaning of indoor air.
  • the apparatus of this invention can employ
  • the method of the present invention has an excellent effect of efficiently removing viruses and bacteria drifting indoors in a short time, and the following three reasons are conceivable. 1) When air passes through a sterilization filter impregnated with an aqueous solution containing hypochlorous acid, the aqueous solution evaporates, and the air containing the vapor of the aqueous solution is returned indoors, and the air is returned to the returned air.
  • the contained hypochlorous acid (chlorine) removes viruses and bacteria floating indoors.
  • FIG. 1 It is a figure explaining the disinfection filter used for the method of the present invention. It is the schematic explaining the apparatus of this invention. It is an external appearance perspective view of 1 aspect of the apparatus of this invention. It is a disassembled perspective view of 1 aspect of the apparatus of this invention. It is a figure which shows the baseplate part of 1 aspect of the apparatus of this invention. Were used in the test is a top view of a 25 m 3 chamber. Were used in the test is a side view of a 25 m 3 chamber. It is a graph which shows the change of the number of floating viruses with elapsed time. It is a graph which shows the change of the floating virus residual rate when the initial value 0 minute is set to 100%.
  • the method of cleaning indoor air of the present invention is to return the taken indoor air to the indoor again through a sterilization filter impregnated with an aqueous solution containing hypochlorous acid
  • the aqueous solution containing hypochlorous acid is a solution of pH 5 to pH 7 in which the concentration of hypochlorous acid is in the range of 20 ppm to 200 ppm, and the amount of aqueous solution containing hypochlorous acid supplied to the room is 20 room temperature. It is characterized by being in the range of 200 mL / hour to 730 mL / hour at a temperature of 30 ° C. and a relative humidity of 30%.
  • Examples of the aqueous solution containing hypochlorous acid used in the present invention include the following aqueous solutions (A) and (B).
  • A An aqueous solution prepared by adding sodium hypochlorite to water and adjusting the pH to 5 to 7 using an acid.
  • B An aqueous solution prepared by adding a tablet composed of carbonate, organic acid and sodium dichloroisocyanurate to water to adjust the pH to 5-7.
  • water to be used tap water, well water, deionized water, distilled water, etc. can be used, but water from which calcium and magnesium have been removed is preferred.
  • the concentration of sodium hypochlorite in the aqueous solution (A) is in the range of 20 to 200 ppm. From the economical aspect, the range of 50 to 100 ppm is preferable.
  • an aqueous solution having a desired sodium hypochlorite concentration (pH 5 to 7) can be prepared in advance, but a high concentration aqueous solution such as 3000 ppm hypochlorous acid can be used. It is also possible to prepare an aqueous solution of sodium concentration (pH 5 to 7) in advance and dilute it with tap water to a desired concentration immediately before use.
  • the carbonate include sodium bicarbonate
  • examples of the organic acid include succinic acid.
  • the carbonate is in the range of 70 to 80% by weight based on the weight of the tablet
  • the organic acid is in the range of 19 to 27% by weight based on the weight of the tablet
  • the sodium dichloroisocyanurate is in the weight of the tablet. Based on 1 to 3% by weight.
  • water to be used tap water, well water, deionized water, distilled water or the like can be used, but water from which calcium or magnesium has been removed is preferable.
  • the concentration of sodium hypochlorite in the aqueous solution (B) is adjusted to be in the range of 20 to 200 ppm.
  • the aqueous solution (B) is prepared by adding the above tablet in water in a separate container and dissolving it in advance to prepare an aqueous solution (pH 5 to 7) having a desired sodium hypochlorite concentration.
  • an aqueous solution having a desired sodium hypochlorite concentration pH 5
  • Thru 7 can also be prepared and used.
  • an aqueous solution of sodium chlorite concentration (pH 5 to 7).
  • 1 L of an aqueous solution of 50 ppm sodium hypochlorite can be obtained with about 8 mg sodium dichloroisocyanurate, for example, from a 2 g tablet comprising 40 mg sodium dichloroisocyanurate, 1500 mg sodium bicarbonate and 460 mg succinic acid.
  • 5 L of 50 ppm sodium hypochlorite aqueous solution can be prepared, and 2.5 L of 100 ppm sodium hypochlorite aqueous solution can be prepared.
  • the sterilization filter used in the present invention will be described with reference to FIG.
  • the sterilization filter for example, as shown in FIG. 1, there is a sterilization filter 3 made of a corrugated structure having a large number of communication holes leading from the front to the back.
  • the sterilization filter 3 is The flat cloth body 12 and the corrugated cloth body 11 are alternately stacked.
  • the diameter of the communication hole of the corrugated structure is preferably 4 mm to 7 mm.
  • the cell size in the corrugated structure is preferably such that the step height b is in the range of 2 to 4 mm, more preferably in the range of 2.5 to 3.5 mm, and the pitch a is in the range of 4 to 7 mm.
  • the flat cloth body 12 is, for example, a nonwoven fabric having a thickness of 0.3 to 0.7 mm, preferably 0.4 to 0.6 mm, preferably made of rayon and PVA (polyvinyl alcohol), Preferably, it is composed of 40 to 60% by weight of rayon and 40 to 60% by weight of PVA, and more preferably of 50% by weight of rayon and 50% by weight of PVA.
  • the wavy cloth body 11 is, for example, a non-woven fabric having a thickness of 0.3 to 0.7 mm, preferably 0.4 to 0.6 mm, and can be made of the same material as the flat cloth body 12. However, it can also be composed of different materials.
  • the corrugated cloth body 11 is made of the same material as the flat cloth body 12, preferably made of rayon and PVA (polyvinyl alcohol), and preferably 40 to 60% by weight of rayon. It is preferably composed of 40 to 60% by mass of PVA, more preferably composed of 50% by mass of rayon and 50% by mass of PVA.
  • the cross-sectional area when air passes through the sterilization filter 3, that is, the area of the front surface of the sterilization filter is not particularly limited, but is, for example, 200 to 300 cm 2 , preferably 240 to 260 cm 2 . be able to.
  • the hole length of the communication hole in the sterilization filter 3, that is, the distance from the front surface to the back surface of the sterilization filter 3, is 4.5 to 6.5 cm, and preferably 5.0 cm to 6.0 cm.
  • the sterilization filter 3 is used in a form sandwiched between the holding body 13 and the other holding body 14.
  • both the holding bodies 13 and 14 are made of a synthetic resin material, and the one holding body 13 is opened on one side for accommodating the sterilization filter 3, and a lattice-shaped window is provided on the other side.
  • the locking portion 15 is formed on one of the side portions, and the engaging groove 16 is formed on the other side portion.
  • the other holding body 14 is also opened on one side to accommodate the sterilizing filter 3, a lattice-like window is formed on the other side, and a locking part 15 is formed on one of the side parts.
  • an engaging groove 16 is formed on the other side portion.
  • the sterilization filter is impregnated with the aqueous solution containing hypochlorous acid, and the indoor air is impregnated with the aqueous solution containing hypochlorous acid. It is returned indoors through the fungus filter.
  • the aqueous solution containing hypochlorous acid is stored, for example, in a replaceable cartridge container, and is supplied from the cartridge container to the impregnation tray through the solution flow path.
  • the sterilization filter is installed in the impregnation tray, so that the bottom surface of the sterilization filter is immersed in an aqueous solution containing hypochlorous acid supplied to the impregnation tray, and the aqueous solution is subjected to capillary action. The entire sterilization filter is sucked up, and as a result, the sterilization filter is impregnated with an aqueous solution containing hypochlorous acid.
  • the indoor air is returned to the indoor through the sterilization filter impregnated with the aqueous solution containing hypochlorous acid, and this is achieved, for example, by blowing indoor air to the sterilization filter with a blower.
  • the blower is a fan motor including a blower fan, and examples of the blower fan include a sirocco fan and a cross flow fan. A fan motor with a sirocco fan is preferred. It is preferable to remove the dust contained in the indoor air through an air purification filter before being sent to the blower.
  • the indoor supply amount of the aqueous solution containing hypochlorous acid is adjusted to a range of 200 mL / hour to 730 mL / hour at a room temperature of 20 ° C.
  • the humidification amount at a room temperature of 20 ° C. and a relative humidity of 30% is in the range of 400 mL / hour to 600 mL / hour.
  • the speed of the air passing through the sterilization filter corresponds to 120 to 180 m / min.
  • the air flow rate is about 3.0 m 3 / min to 4.5 m 3 / min.
  • the thing in which the humidification amount in room temperature 20 degreeC and 30% of relative humidity becomes the range of 450 to 550 mL / hour is also preferable.
  • the speed of the air passing through the sterilization filter corresponds to 135 to 160 m / min.
  • the cross-sectional area of the sterilization filter is 250 cm 2, the flow rate of air to no 3.4 m 3 / min a 4.14m 3 / min extent.
  • the invention also relates to an apparatus for use in the method for cleaning indoor air as described above.
  • the apparatus for purifying indoor air of the present invention has an apparatus main body in which an air passage portion formed in the main body communicates with outside air at the air inlet on the side of the main body and the air outlet at the top of the main body, A blower that takes in indoor air from the intake port, sends it to the air passage portion, and discharges it from the blowout port; A sterilization filter that is blown and passes air that is flowed through the air passage portion; An impregnation tray provided so that the sanitizing filter is impregnated with an aqueous solution containing hypochlorous acid in the tray; A replaceable cartridge container filled with an aqueous solution containing hypochlorous acid, and a solution flow path through which the aqueous solution containing hypochlorous acid flows into the impregnation tray from the cartridge container .
  • the aqueous solution 6 containing hypochlorous acid is stored in the replaceable cartridge container 4, and the aqueous solution 6 containing hypochlorous acid flows out of the cartridge container 4 through the water receiving part 7 and passes through the solution flow path. And flows into the impregnation tray 5. Since the sterilization filter 3 is installed in the impregnation tray, the bottom surface of the sterilization filter 3 is immersed in an aqueous solution containing hypochlorous acid supplied to the impregnation tray 5 and the aqueous solution is removed by capillary action. As a result, the sterilizing filter 3 is impregnated with the aqueous solution 6 containing hypochlorous acid.
  • indoor air enters the apparatus through an air inlet on the side of the apparatus main body and is supplied to the blower fan 2 coupled to the rotation shaft of the fan motor 1.
  • the air supplied to the blower fan 2 is accelerated, blown downward from the blower port 10, and blown to the sterilization filter 3 impregnated with the aqueous solution 6 containing hypochlorous acid.
  • the blown air passes through the sterilization filter 3, passes through an air passage formed inside the back plate 8, and is discharged indoors from the air outlet 9.
  • the air passage portion is in the form of an air inlet on the side of the apparatus main body ⁇ the air blowing fan 2 ⁇ the air blowing port 10 ⁇ the sterilizing filter 3 ⁇ the air passage formed inside the back plate 8 ⁇ the air outlet 9.
  • the apparatus of the present invention has a front panel 17 on the front surface and a top plate 20, an operation unit 21, a handle 19, and an air outlet 9 on the upper surface.
  • the air outlet 9 is closed when not in use, and is used by opening the louver during operation.
  • An air inlet 18 is provided on one side of the apparatus main body, and an air purification filter is present inside the air inlet 18.
  • the apparatus of the present invention has a replaceable cartridge container 4 and a cartridge container lid plate 23 on the back surface, and a peripheral side plate 22 on the side surface opposite to the side surface having the air inlet 18.
  • FIG. 4 shows an external appearance when one embodiment of the apparatus of the present invention is disassembled.
  • the apparatus of the present invention can be easily disassembled into a part 25 of the apparatus main part 24, the bottom plate part 26, the replaceable cartridge container 4, the sterilization filter 3 integrated with the holding bodies 13 and 14, and the back plate 8.
  • an impregnation tray 5 for supplying an aqueous solution containing hypochlorous acid is formed on the bottom plate portion 26, and the sterilization filter 3 integrated with the holding bodies 13 and 14 in the impregnation tray 5.
  • the bottom plate portion 26 is formed with a solution flow passage 27 for supplying the water receiving portion 7 and an aqueous solution containing hypochlorous acid to the impregnation tray 5.
  • Example 1 Evaluation of suppression performance of airborne viruses (25 m 3 space) 1) Purpose The extent to which airborne viruses are suppressed by a space cleaning system containing hypochlorous acid water as humidified water conforms to the Japan Electrical Manufacturers' Association “Evaluation test method for air purifier removal of airborne viruses”. Evaluation was performed using a 25 m 3 test chamber corresponding to a space of 6 tatami mats. 2) Testing Organization Kitasato Environmental Science Center 3) Implementation Period July 17, 2013-July 23, 2013 4) Test Product ("Space Clean System”) Device used: device shown in FIGS. 3 to 5 Bacteria-removing filter: a flat non-woven fabric having a thickness of 0.5 mm composed of 50 mass% rayon and 50 mass% PVA, and the same material.
  • Aqueous solution containing hypochlorous acid Prepare an aqueous solution of about 3000 ppm of sodium hypochlorite, adjusted to pH 5 to 7, and dilute it with tap water just before use. It was used as an aqueous solution (pH 5 to 7) having a concentration of sodium chlorate of about 60 ppm.
  • Operating conditions Used at operating conditions (medium operating mode) in which the humidification amount at a room temperature of 20 ° C. and a relative humidity of 30% was 500 mL / hour. (The speed of air passing through the sterilization filter (wind speed) corresponds to 150 m / min, and the flow rate of air corresponds to 3.77 m 3 / min.)
  • Test microorganism Virus Escherichia coli phage MS2 NBRC 102619 (E. coli phage)
  • Host fungus Escherichia coli NBRC 106373 (E. coli) 6) Reagents and equipment / equipment a.
  • test article (“space cleaning system”) was placed in a 25 m 3 test chamber, and a test virus solution was sprayed and suspended in the chamber. After collecting the first (0 minutes) airborne virus with an impinger, the test product was started. Thereafter, airborne viruses in the chamber were collected over time, and the number of airborne viruses was measured. As a control, the number of spontaneously decaying viruses was measured. Details are shown below.
  • FIGS. A test article, a stirring fan, a laser particle counter, and a temperature / humidity meter were installed in a 25 m 3 test chamber.
  • a virus solution spray port and a floating virus collection port were provided on one side of the chamber, and a virus solution spray device and a floating virus collection device were connected to each.
  • a glass nebulizer containing virus solution was used as a virus solution spraying device.
  • a glass midget impinger containing a collection solution was used as a floating virus collection device.
  • test virus solution of about 10 11 PFU / mL. This was diluted 100 times with sterilized ion-exchanged water and used for the test.
  • Spraying of virus solution Compressed air was sent from a compressor to a glass nebulizer containing virus solution, and the virus solution was sprayed into the chamber at about 0.2 mL for 10 minutes to float. The discharge air pressure from the compressor was 1.5 kgf / cm 2 and the discharge air amount was 7.25 L / min. d.
  • the number of viruses in the sprayed test virus solution was 4.6 ⁇ 10 9 PFU / mL.
  • the effective chlorine concentration of pre-purified water used as humidified water was 60 mg / L (pH: 5) at the start of the test, 53 mg / L in the cartridge container at the end of the test, and 32 mg / L in the impregnation tray.
  • the humidification amount was 250 mL in 40 minutes.
  • Table 1 shows the number of suspended viruses for each elapsed time
  • FIG. 8 is a graph showing the change in the number of suspended viruses at that time. The slope of the approximate expression for the number of floating viruses shown in FIG.
  • logarithm of the number of floating viruses that change per minute was ⁇ 0.00661 for the control and ⁇ 0.20000 for the test product. . Therefore, log reduction of the number of floating viruses from early control at 10 minutes 0.07Log 10, specimen is 2.00Log 10, subject 20 minutes 0.13Log 10, the test article 4.00Log 10 Met. Comparing the logarithmic reduction in the number of viruses (decrease rate * ) relative to the control, it was 1.93 log 10 (98.8%) in 10 minutes and 3.87 log 10 (99.98%) in 20 minutes depending on the test article. Diminished. The time required for the logarithmic decrease value to reach 2.0 log 10 (99%) or more was 11 minutes.
  • FIG. 9 shows the change in the residual rate of airborne virus at that time.
  • FIG. 10 shows a graph showing changes in the chamber temperature and humidity during the test
  • FIG. 13 shows a graph showing changes in the chamber temperature and humidity during the test of the test product.

Abstract

L'invention concerne un procédé de purification de l'air présent dans une pièce, et un dispositif utilisé dans le procédé. Le procédé de purification de l'air présent dans une pièce consiste à faire passer de l'air présent dans une pièce à travers un filtre de stérilisation imprégné d'une solution aqueuse comprenant de l'acide hypochloreux et à renvoyer l'air dans la pièce, la solution aqueuse comprenant l'acide hypochloreux étant un liquide à pH compris entre 5 et 7 dans lequel la concentration de l'acide hypochloreux se situe dans une plage comprise entre 20 et 200 ppm, et le taux d'alimentation en solution aqueuse comprenant de l'acide hypochloreux, dans la pièce, se situant dans la plage comprise entre 200 et 730 mL/heure à une température ambiante de 20°C et à une humidité relative de 30%.
PCT/JP2014/060961 2013-10-01 2014-04-17 Procédé de purification de l'air présent dans une pièce et dispositif d'utilisation associé WO2015049891A1 (fr)

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JP2013206404A JP2016202191A (ja) 2013-10-01 2013-10-01 屋内の空気を清浄化する方法及びそれに使用するための装置
JP2013-206404 2013-10-01

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JP2019154884A (ja) * 2018-03-15 2019-09-19 株式会社グリーンウェル 次亜塩素酸タブレットを用いた除菌・消臭システム
CN111829129A (zh) * 2020-07-23 2020-10-27 武汉合创四联科技发展有限公司 一种用于建筑施工的通风设备
CN112696781A (zh) * 2020-12-25 2021-04-23 东莞市鹏驰净化科技有限公司 一种空气净化设备
CN113260444A (zh) * 2019-01-08 2021-08-13 松下知识产权经营株式会社 空气净化装置
FR3111569A1 (fr) * 2020-06-22 2021-12-24 Alain HILAIRE Appareil de traitement de l’air et des surfaces intérieures d’un local comprenant une turbine et un réservoir de composition liquide décontaminante pour mélange avec l’air à traiter aspiré par la turbine.
WO2023023911A1 (fr) * 2021-08-23 2023-03-02 卡富环球有限公司 Dispositif de purification d'air

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WO2021256475A1 (fr) * 2020-06-16 2021-12-23 株式会社エコ革 Dispositif de purification d'air et dispositif d'aspiration d'air

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WO2023023911A1 (fr) * 2021-08-23 2023-03-02 卡富环球有限公司 Dispositif de purification d'air

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