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
  • A61L9/00—Disinfection, sterilisation or deodorisation of air
  • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
• • 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
  • A61L2/20—Gaseous substances, e.g. vapours
  • A61L2/202—Ozone
• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
  • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
  • C01B13/02—Preparation of oxygen
  • C01B13/0203—Preparation of oxygen from inorganic compounds

Definitions

• the present invention converts high-concentration ozone to ground state oxygen via singlet oxygen, utilizes transition energy and decomposes residual ozone, thereby disinfecting air and water for environmental conservation. Or about deodorization of air or water.
• the present invention increases the dissolved oxygen in water such as clean water, medium water, sewage, well water, rivers, lakes, marshes, oceans, and wastewater, and purifies the dissolved oxygen in water for purification and sterilization.
• water such as clean water, medium water, sewage, well water, rivers, lakes, marshes, oceans, and wastewater.
• Known methods for decomposing residual ozone include an activated carbon adsorption method in which ozone is adsorbed on activated carbon, a thermal decomposition method in which ozone is decomposed by heat, and a decomposition method using a catalyst.
• the method of treating residual ozone generated by ultraviolet rays irradiated when sterilizing air, disinfecting water, or activating a certain substance using high-concentration ozone is as described above.
• the use of activated carbon adsorption, thermal decomposition and catalytic decomposition methods is inappropriate for decomposing large volumes of ozone, and the lack of appropriate treatment methods still poses a major barrier to the advanced use of ozone. Had become.
• An object of the present invention is to solve the above-mentioned problems.
• An object of the present invention is to ozone decompose regardless of a gaseous phase or a liquid phase to reduce to basal oxygen and sterilize the ozone.
• An object of the present invention is to provide a method for dissolving air and water by the method and a method for decomposing ozone, which can supply sterile water with high dissolved oxygen. Disclosure of the invention
• the method for decomposing ozone of the present invention does not achieve the above-mentioned object.
• the means is to irradiate the ozone with ultraviolet or ultraviolet laser light having a wavelength of 240 nm to 360 nm to generate singlet oxygen, and then to generate a singlet oxygen having a wavelength of 600 nm to 65 nm.
• ultraviolet or ultraviolet laser light having a wavelength of 240 nm to 360 nm to generate singlet oxygen
• a singlet oxygen having a wavelength of 600 nm to 65 nm.
• the method of sterilizing, deodorizing, and purifying air is ultraviolet light with a wavelength of 200 nm or less.
• Irradiation with ultraviolet laser light, or air containing ozone generated by a discharge-type ozonizer, is applied to a wavelength of 240 to 36
• Irradiation with ultraviolet light or ultraviolet laser light of 0 nm generates singlet oxygen, and the singlet oxygen is exposed to visible light or a visible light laser having a wavelength of 600 to 65 nm—wavelength 1
• Irradiation of near-infrared or near-infrared laser light of 200 to 130 nm is performed individually, simultaneously or sequentially, and transitions to ground state oxygen by stimulated emission of singlet oxygen electromagnetic waves.
• Ionizing means such as air for electrostatic electrostatic precipitators that collect and ionize air obtained by blowing or sucking air into ducts and casings, and irradiating ultraviolet rays and ultraviolet laser light with a wavelength of 200 nm or less
• the ozone may be decomposed by using an ozone generating means for generating ozone in the ionized air by a discharge type ozonizer.
• the present invention also enables the generation of dissolved oxygen in water, by means of blowing ozone or a mixture of ozone and air into water to form air bubbles, and to generate ultraviolet rays 24 Irradiate at 0-360 nm to generate ozone into singlet oxygen, then visible light at 600-650 nm, near-infrared light at 1200-130 nm or laser light Are irradiated individually or simultaneously or sequentially to generate dissolved oxygen in water by utilizing the transition of excited singlet oxygen to ground state oxygen by stimulated emission of electromagnetic waves.
• ozone ozone
• ozone After irradiating ultraviolet rays 240 to 360 nm to one of the gaseous phases of mixed gas and air to generate ozone to singlet oxygen, visible light 600 to 65 nm or near infrared
• the gas phase may be dissolved in water by showering the gas phase or by increasing the contact area between the gas phase and water by a fountain.
• the above-described ozone can be expressed by the following equation.
• the singlet oxygen molecule excited by the absorption of ultraviolet light has a wavelength of 600 ⁇ ⁇ !
• visible light ⁇ 650 nm
• the state transits to the ground oxygen state atom u ⁇ g and decomposes.
• singlet oxygen Upon transition to such decomposed ground state oxygen, singlet oxygen is in an excited state with a high decomposition energy of 22.5 K ca 1 / o 1, and exhibits a strong bactericidal action, Sterilization, deodorization, and purification.
• ozone or a mixed gas of ozone and air is blown into water, and ozone or ozone and air is introduced into raw water to be purified and sterilized.
• ozone or ozone and air is introduced into raw water to be purified and sterilized.
• the singlet oxygen is in a higher energy excited state of 22.5 Kca 1 / mo 1 than stable ground state oxygen, so that it exhibits a dehydrating action of hydrogen atoms in bacteria, that is, an oxidizing action, and Strongly sterilizes contained pollutants. Decomposes and purifies, and basal oxygen in bubbles dissolves in water to become dissolved oxygen in water.
• singlet oxygen reacts with water in water to form a hydroxyl radical.
• R H Organic matter or bacteria
• singlet oxygen reacts with water to form a hydroxyl radical as shown in equation (4), deprives organic matter of hydrogen in water as shown in equation (5), and exhibits a bactericidal action. It dissolves ground state oxygen in water by dissolving in water.
• FIG. 1 is a sectional view of an apparatus according to a first embodiment of the present invention.
• FIG. 2 is a sectional view of an apparatus according to a second embodiment of the present invention.
• FIG. 3 is a perspective view of a third embodiment of the present invention.
• FIG. 4 is a sectional view of the above.
• FIG. 5 is a longitudinal sectional view of a fourth embodiment of the present invention.
• FIG. 6 is a cross-sectional view of the same.
• FIG. 7 is a longitudinal sectional view of a fifth embodiment of the present invention.
• FIG. 8 is a cross-sectional view of the same. BEST MODE FOR CARRYING OUT THE INVENTION
• the first embodiment of the present invention will be described below with reference to an ozone decomposing method for decomposing a mixed gas of ozone and air and an apparatus therefor.
• a mixture of ozone and air is artificially generated in advance, and this is mixed with ultraviolet light of 254 nm, visible light of 633 nm, and It passes through a room having a light band irradiated with near infrared light of 127 nm.
• the air sent from the air blower 1 is sent into the upper part of the ozone generating cylinder 2, and in the ozone generating chamber 2, the sent air is irradiated with a beam of an ozone generating lamp 3, and the sent air is When the gas reaches the lower part of the ozone generation chamber 2, a part of it reaches ozone 4.
• the ozone 4 is sent to the singlet oxygen generation cylinder 6 through the lower communication pipe 5 and is irradiated with ultraviolet light having a wavelength of 253.7 nm by the ultraviolet irradiation pipe 7 so that the ozone 4 becomes singlet oxygen 8 Generate
• the singlet oxygen 8 is further sent to the stimulated emission decomposition tube 10 through the upper communication pipe 9, and the stimulated emission decomposition tube 10 has a mirror 11 on the inner surface and a wavelength 6 3
• An optical film 14 formed by guiding a 3 nm visible light He-Ne laser 12 through an optical fiber and irradiating it through a prism 13 is formed.
• near-infrared light from a laser beam 15 irradiating near-infrared light with a wavelength of 127 nm is guided by an optical fiber and passed through a prism 16 to a mirror 11 1
• the optical film 16 formed by irradiating the light is formed.
• the singlet oxygen 8 sent to the stimulated emission decomposing cylinder 10 decomposes to ground state oxygen by performing stimulated emission of electromagnetic waves when passing through the first optical film 14,
• the excited oxygen becomes completely stable ground state oxygen 17 and is discharged from the lower discharge port 18 o
• an ozone concentration meter 21, 22, 23 is inserted into each communication pipe 5, 9, 18, and the ozone concentration is monitored by the monitor 20. Measurements were taken.
• the passage amount in each of the communication pipes 5, 9, and 18 was 2 liters Z at room temperature of 18 ° C, and OZM manufactured by Octronics Co., Ltd. was used as the ozone concentration meter.
• a type of gas phase of -2 1 1 2 to 2000 was used.
• a mirror 34 extending inside 32 is extended and irradiated by a prism 36 to form a light film 37.
• a light film 38 of visible light having a wavelength of 633 nm is formed above the light film 37 in the same manner as described above, and further, on the light film 38, The optical film 39 is formed in the same manner as described above by using near-infrared light having a wavelength of 127 nm which emits near-infrared light.
• the dissolved ozone water 31 sent into the cylinder 32 from the lower entrance 33 of the cylinder 32 sequentially passes through the optical films 37, 38, and 39, and overflows from the upper part of the cylinder 32.
• the same action as in the previous embodiment is performed, and the oxygen becomes stable ground state via singlet state oxygen. Things.
• a dissolved ozone sensor 41 was installed at the top 40 of the cylinder 32, and the dissolved ozone sensor 41 was captured. Monitor the amount of dissolved ozone did.
• the amount of passing water was 1 liter Z
• the water temperature was 16 ° C
• the dissolved ozone meter was a diaphragm port type graph model manufactured by Bionics Instruments Co., Ltd./Model 0C-110.
• the measurement results are shown in the following table. Ozone concentration of dissolved ozone water before passing 7 P P M
• the invention of the second embodiment is characterized in that the ultraviolet irradiation tube 7 for irradiating ultraviolet light having a wavelength of nm to 360 nm ultraviolet laser, 633 nm wavelength visible light He — Ne laser 12 to visible light laser, and 1270 nm laser light 1 5 is replaced with a near-infrared laser, which produces the same operation and effects as those of the above embodiments.
• a duct fan 104 is installed in the duct 101 on the side of the air outlet 103 opposite to the air intake port 102 in the duct 101. Then, air is sucked from the air inlet 102.
• a rough pre-filter 105 that adsorbs relatively large dust in the air is installed in the duct 101 on the side of the air intake 102.
• the suction air from which the large particles have been removed by the pre-filter 105 passes through the ionizer 106, which is installed next to the pre-filter 105, so that the fine particles can be removed. Positively charged.
• a negatively charged dust collecting plate 107 is provided, and the finely charged fine dust particles electrostatically adhere to the dust collecting plate 107.
• the intake air is negatively charged, and is in a state easily oxidized.
• an ultraviolet lamp 108 emits ultraviolet light with a wavelength of 185 nm, and further behind the ultraviolet lamp 108 emits ultraviolet light with a wavelength of 254 nm.
• a second ultraviolet lamp 109 is installed, and a part of the intake air which is easily ozonized after passing through the dust collecting plate 107 is a part of the ultraviolet light from the ultraviolet lamp 108. Generated into ozone by irradiation. Further, ozone contained in the intake air is generated into singlet oxygen by ultraviolet light having a wavelength of 254 nm which is irradiated by the next ultraviolet lamp 109.
• the duct 101 emits a visible light lamp 110 emitting visible light having a wavelength of 633 nm, and then emits near-infrared light having a wavelength of 12878 nm.
• the near-infrared lamp 111 is installed, and the visible ray lamp 110 and the duct 101 where the near-infrared lamp 111 is installed reflect these rays.
• the mirrors 112 and 113 are stretched, and the light beams are reflected by the mirrors 112 and 113 to form a visible light film and a near-infrared light film.
• the above-mentioned intake air generated by converting ozone into singlet oxygen passes through the optical film of visible light and the optical film of near-infrared light sequentially. Irradiation with 3 nm visible light causes singlet oxygen molecules to transition to ground state oxygen molecules with stimulated emission of electromagnetic waves. The inhaled air that has passed through the visible light optical film then passes through the near infrared light film with a wavelength of 12878 nm. At this time, the ozone that has not been transitioned to the ground state oxygen molecule is Irradiation with near-infrared light of this wavelength causes singlet oxygen atoms to transition to ground state oxygen atoms.
• irradiation of visible light and irradiation of near-infrared light are performed one after another.
• the sirocco fan also has a means for blowing air to the duct. There is no need to install it if provided separately.
• an inlet 202 for feeding raw water to be purified is provided at a lower part of the purifier 201, and the inlet 220 has a temperature of, for example, 19 ° C. and 30 liters min.
• the purification column 201 Of raw water is sent into the purification column 201, and the supplied raw water flows upward in the purification column 201.
• an air supply pipe 203 of an ozone for feeding air containing ozone is provided at a lower portion of the purification pipe 201, and a tip of the air supply pipe 203 is provided with a large number of air in the purification pipe 201.
• a diffuser pipe 204 with perforations is provided, and the air containing ozone sent from the air supply pipe 203 passes through the pores of the diffuser pipe 204 into ozone bubbles in raw water. It floats in the purification column 201 together with the raw water while diffusing as 5, and for example, air containing ozone of 40 liters Z min is sent from the air supply pipe 203.
• the diffuser tube 204 there are three UV lamps 206 that emit ultraviolet light with a wavelength of 254 nm.
• the ozone in the ozone bubbles 205 is obtained.
• a singlet oxygen molecule and a singlet oxygen atom are generated, and the bubble 205 becomes a bubble 205 containing the singlet oxygen molecule and the singlet oxygen atom.
• This singlet oxygen atom reacts with water in water to form a hydroxyl radical as shown in equation (4), and as shown in equation (5), deprives the bacteria of the raw water of hydrogen and strongly exerts a bactericidal action on the raw water.
• a high-power sodium lamp 208 having a power of 500 W and emitting visible light having a wavelength of 600 to 65 nm is installed.
• the visible light emitted from the um lamp 208 irradiates the bubbles 210 containing the singlet oxygen molecules and the singlet oxygen atoms and floating with the raw water.
• singlet oxygen molecules are transited to basal oxygen molecules with stimulated emission of electromagnetic waves as in the above equation (2).
• an infrared lamp 209 with an output of 500 W that emits near-infrared light having a wavelength of 1200 nm is installed. After the visible light of the lithium lamp 208 is irradiated, near-infrared light is applied to the bubbles 207 floating with the raw water. Then, the singlet oxygen atom contained in the bubble is transited to the ground state oxygen atom with stimulated emission of the electromagnetic wave as in the above equation (3).
• Irradiation with visible light at a wavelength of 600 nm and near-infrared light at a wavelength of 1200 nm causes the transition of the generated singlet oxygen to stable ground state oxygen as described above, so that it is contained in the bubbles.
• the ozone that was released does not remain as residual ozone, but dissolves in the raw water as dissolved oxygen, and: 1: the dissolved oxygen in the raw water is strongly increased.
• singlet oxygen is in an excited state with a higher energy of 22.5 Kca1 / mo1 than ground state oxygen, so that it exhibits a dehydrating action of hydrogen atoms in bacteria, that is, an oxidizing action, and sterilization and purification Will be performed.
• the raw water that has been sterilized and purified and the amount of dissolved oxygen has been increased is discharged from the discharge port 210 provided at the upper part of the purification column 201. Although it is discharged in one flow, the ozone bubbles remaining in the raw water become airborne with a small amount of ozone remaining above the raw water, and the exhaust pipe 2 1 1 From the atmosphere.
• the dissolved oxygen content in the raw water flowing in from the inflow port 202 was 7.2 ppm, but when it is discharged from the discharge port 210, the dissolved oxygen content should be 8.
• the dissolved oxygen content should be 8.
• an ozone-containing air blowing port 222 is provided at the upper part of the purification cylinder 222 having an inner diameter of 25 O mm, for example, a gas phase ozone concentration of 200 pPm. 40 liters of air containing air is blown downward.
• a shower head 23 for spraying raw water downward into the purifier 22 in the form of a shower is provided at the upper part of the purifier 221, and for example, the number of E. coli 920 Zmg, Raw water containing the number of general bacteria 1 2 O Zmg is sprayed downward from the shower head 2 23 in the form of a mist and mixed with the air containing the ozone. Fall.
• This excited and activated singlet oxygen is in an excited state with a higher energy of 22.5 Kca 1 / o 1 than stable basal oxygen, and this singlet oxygen atom is When it reacts with water and falls as hydroxyl radical-containing water as shown in equation (4), it deprives the raw water of the water as shown in equation (5), dehydrating hydrogen atoms in bacteria, It has an oxidizing effect and has a strong bactericidal effect against Escherichia coli and general bacteria contained in raw water.
• a high-pressure sodium lamp 225 emitting a wavelength of 600 nm as in the previous embodiment, and further below the near infrared ray having a wavelength of 130 nm
• An infrared lamp 222 that emits water is installed, and sterilization is performed as described above, and raw water falling in a spray state is irradiated in the order of visible light and near-infrared light.
• This irradiation causes some singlet oxygen to transition to stable ground state oxygen, releasing the high energy, disinfecting Escherichia coli and general bacteria in raw water, and dissolving in water to dissolve in water. It becomes dissolved oxygen and becomes water with a large amount of dissolved oxygen.
• the dissolved oxygen is high, and the water that has been sterilized and purified is collected in the bottom portion 227 of the purification cylinder 221.
• the communication pipe 228 provided in the bottom portion 227 is provided. Is stored in the storage section 229 through the outlet, overflows and flows out from the discharge port 230, and is used as treated aseptic water, which contains active oxygen that could not be dissolved in the water Is discharged into the atmosphere from an exhaust pipe 231, which is provided on the lower side surface of the purifier 22.
• the numbers of Escherichia coli and general viable bacteria contained in the treated water taken out from the discharge port 230 are all sterilized to 0, and the exhaust gas discharged from the exhaust pipe 231
• the concentration of gaseous ozone in water is reduced to 0.08 ppm, and the concentration of liquid ozone is also 0. From 6.2 ppm before treatment to 8.4 ppm (industrial availability
• the decomposition method of the present invention unlike the conventional thermal decomposition method, the decomposition method using a catalyst, the activated carbon adsorption method, and the like, oxygen is revived to decompose to ground state oxygen via singlet oxygen in the decomposition process, and air is recovered. Is sterilized by the decomposition energy at the same time as it is sterilized, and therefore, by incorporating it as an air conditioning duct or air purifier, not only hospital infections, which are currently a problem, but also air in buildings Is achieved.
• Dissolved ozone water is also decomposed in the same way, eliminating the harm caused by dissolved ozone. This has the effect that it becomes possible.
• the sterilization / deodorization / purification device has no resistance to the passage of air in the process of treating contaminated air, and can instantaneously sterilize and deodorize a large volume of air, and also has a process of decomposing ozone. Since the singlet oxygen generated in the above, ie, active oxygen, is changed to ground state oxygen, it can be purified while reviving the oxygen.
• ozone is converted to ground state oxygen and sent out from the duct, conventional ozonation of air by irradiation with ultraviolet rays, sterilization with a germicidal lamp of ultraviolet rays, or a combination of both. In this way, ozone is released into the atmosphere as residual ozone before it is decomposed, causing no adverse effects on the human body or difficulties in handling.
• this air sterilizing, deodorizing, and purifying device is used as a blowing means, it will not only prevent hospital-acquired infection (MRSA), which is currently a problem, but also asepticize the air in buildings and transportation living spaces. Deodorization has been achieved, and it is applied to places requiring aseptic space such as food processing, kitchens, medical institutions, etc., and exerts its effects.
• MRSA hospital-acquired infection
• the present invention is also capable of purifying Escherichia coli and general bacteria in contaminated raw water by sterilizing them and increasing the amount of dissolved oxygen dissolved in the water. It is optimal for use in water purification equipment. Also, by using the method shown in the fifth embodiment, it is possible to decompose contaminants due to the production of hydroxyradicals, and in particular, to decompose organic chlorine compounds such as trihalomethane and trichlorethylene. Prevention of hospital-acquired infections (MRSA) and prevention of cocoa and mold in water reservoirs.
• MRSA hospital-acquired infections

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• 1994
  • 1994-04-07 AU AU64369/94A patent/AU6436994A/en not_active Abandoned
  • 1994-04-07 CN CN94190201A patent/CN1037426C/zh not_active Expired - Fee Related
  • 1994-04-07 WO PCT/JP1994/000580 patent/WO1994024043A1/ja not_active Ceased
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