Abstract: Provided is a tank sterilizer composed of a power supply part including an operation switch, and a sterilization part for sterilizing fluid in a tank, wherein a sterilization effect is maximized by generating microbubbles by electrolysis or electric discharge instead of killing bacteria by using a UV LAMP, an ozone lamp, and a pressure pump, and due to the coupling of a bubble generation module and a power connection module to each other by an electroconductive connector, a separate power connector is not required to be installed, whereby the tank sterilizer is simple in structure and is easy to be installed.

Abstract: In an embodiment an apparatus for generating ozone includes a piezoelectric transformer having an input area and an output area, wherein the input area is configured to convert an applied AC voltage into a mechanical vibration, and wherein the output area is configured to convert the mechanical vibration into an electrical voltage so that the ozone is generated by the electrical voltage of the output area.

Abstract: A method of concentrating ozone gas including: causing ozone gas contained in ozone-oxygen mixture gas to be selectively adsorbed to adsorbents which are filled in a non-cooled state in at least two adsorbing cylinders arranged parallel to one another; desorbing the ozone gas from the adsorbents by subjecting a depressurizing process to each adsorbing cylinder during an ozone gas desorption operation; repeating an adsorption step and a desorption step alternately in the at least two adsorbing cylinders; and controlling the adsorbing cylinders, in such a way that one of the adsorbing cylinders is performing the adsorption step while another one of the adsorbing cylinders is performing the desorption step.

Abstract: A system employs a closed electrolyzer vessel into which water is circulated, and an electrode plate assembly is immersed to dissociate water into hydrogen and oxygen gases. Only water is used as the electrolyte fluid. An air injector in the water return line injects air bubbling for enhanced dissociation of water. The electrode plate assembly is formed by one or more unit stacks of 7-plates each, including two outer cathode plates, a middle anode plate, and spaced inner plates. The generated gases are maintained in a stable condition by an electromagnetic coil assembly that separates the hydrogen gas from oxygen gas. The system can obtain 180% reduction in fuel usage in a vehicle engine, and 20 times reduction in carbon exhaust. It can obtain a 500% increase in fuel efficiency in an electrical power generator.

Abstract: A method for producing ozone for use in ozonolysis reactions. Oxygen is separated from the mixture of ozone and oxygen from an ozone generation unit and is fed back to the oxygen feed to the generation unit. Nitrogen is fed to the ozone separation unit and the mixture of nitrogen and ozone is fed to the ozonation reactor where the ozone will react with organic compounds to produce desired end products.

Abstract: Disclosed herein are high structured carbon blacks, methods of synthesis and treatment, and dispersions and inkjet ink formulations prepared therefrom. The carbon black can have the following properties: OAN?170 mL/100 g; and STSA ranging from 160 to 220 m2/g. The carbon black can also have the following properties: OAN?170 mL/100 g; and a ratio of STSA/BET surface area ranging from 0.7 to 1.

Abstract: An ozone laundry system and its method of use with continuous batch or tunnel washers is provided, wherein ozone can be injected into a plurality of different chambers along the continuous batch or tunnel washer and wherein the interfacing of a plurality of system controls occurs on a centralized HMI controller along with DOM and ORP monitoring. Vacuum sensors over vacuum switches are used to compensate for a slightly positive pressure at the ozone outlet, due to a long tube run with a weak vacuum.

Abstract: An apparatus for disinfecting an interior of a generally closed container having an opening has an elongated housing fittable through the opening, having a wall forming a reaction chamber, and having an inner end and an outer end longitudinally flanking the chamber. Thus when the outer end is tilted to the opening, the inner end is in the interior of the container. An ozone generator is provided in the chamber. A plurality of openings in the wall of the housing at the inner end conduct ozone from the chamber out into the interior of the container.

Abstract: An apparatus for removing mold and mildew from sports equipment includes an ozone generator that supplies ozone to a distribution system that directs ozone at a high velocity to both dry and sanitize sports equipment. The high velocity flow of ozone is directed to the interior portions of the sports equipment to dry and sanitize the equipment. The high speed flow of the ozone provides for drying of the interior surfaces of the equipment while also direction impinging ozone flow on interior surfaces to remove undesirable mold and mildew.

Abstract: An apparatus for producing high-concentration ozone gas has a plurality of adsorption/desorption columns and a plurality of valves capable of switching opening/closing of the passage of gas flowing into or out of the adsorption/desorption columns, such that each of the adsorption/desorption columns can performs ozone adsorption processing, evacuation processing or desorption processing. At least two of the adsorption/desorption columns are placed in a serial cycle arrangement to constitute a main adsorption/desorption column group, and one or more of the other adsorption/desorption columns is placed in parallel with the main adsorption/desorption column group to constitute an auxiliary adsorption/desorption column. The auxiliary adsorption/desorption column performs desorption processing during a period in which none of the adsorption/desorption columns of the main adsorption/desorption column group is performing desorption processing.

Abstract: A chemical decontamination apparatus of the present invention chemically dissolves radioactive substance-containing oxide films formed or adhering on the surface of a decontamination object by using ozone water to conduct decontamination. The chemical decontamination apparatus includes an ozone generating unit for generating ozone gas, an ozone supplying device for supplying the generated ozone gas to an ozone supplying unit in water, and a sintered metal element 37 which is disposed in the ozone supplying unit and to which ozone gas is supplied from the ozone supplying device. The ozone gas supplied to a sintered metal element interior from the ozone supplying device is allowed to flow out of the element into water so as to generate ozone water.

Abstract: The invention relates to a method for sterilizing raw, unheated honey, wherein the raw, unheated honey is sterilized by ozonizing it by using an ozone generator. The invention also relates to a honey-based wound care preparation, wherein said preparation comprises raw, unheated ozonized honey that has been ozonized by a method according to the invention. The invention also relates to a wound care treatment product comprising a honey-based preparation, wherein the said wound care treatment product comprises a preparation according to the invention. Finally, the invention relates to a biscuit based on honey and food fibers and/or by-products of food fibers, wherein the biscuit is prepared from ozonized food fibers and/or by-products of food fibers and raw, unheated ozonized honey that has been ozonized by a method according to the invention.

Abstract: Apparatus, method and system for delivering sterile unit dose of ozone. System includes sterile vial containing oxygen and corona discharge assembly. Sterile vial is engaged to ozone conversion unit having high voltage transformer, ozone measurement mechanism, data input mechanism, and displayed read-out. When power is supplied to sterile vial containing corona discharge assembly, oxygen is converted to specified concentration of ozone. Sterile vial is disengaged from ozone conversion unit, drawing port is attached, and needle or similar extraction tool is used to withdrawal ozone for treatment.

Abstract: An apparatus for sterilizing various articles includes a cabinet defining a chamber and having a door coupled to the cabinet for selectively sealing the chamber in an airtight manner. The apparatus includes a vacuum pump in communication with the chamber for withdrawing air from the chamber and any respective article placed therein, e.g. a pillow, the vacuum pump causing a reduced air pressure within the chamber. The apparatus further includes an ozone generator in communication with the chamber for introducing ozone into the chamber and into any respective article placed therein. Still further, the apparatus includes an ozone filter in communication with the chamber and having a non-consumable catalyst for converting the ozone into oxygen.

Abstract: An ozonized gas having a pressure exceeding atmospheric pressure and having a predetermined concentration is supplied to adsorption/desorption columns (4) at a low temperature state of 0° C. or less and a high pressure and packed with silica gel (6) serving as an adsorbent. The adsorption/desorption columns (4) have been constituted so that at least three of a plurality of adsorption/desorption columns (4), i.e., adsorption/desorption columns (4-1, 4-2, and 4-3), are disposed in a serial cycle arrangement to constitute a main adsorption/desorption column group (99), and that an adsorption/desorption column (4-4) is disposed in parallel with the main adsorption/desorption column group (99) to constitute an auxiliary adsorption/desorption column (999). In a period in which none of the three columns of the main adsorption/desorption column group (99) is performing desorption processing, the auxiliary adsorption/desorption column (999) performs desorption processing.

Abstract: An air filtering apparatus including an electrolytic bath for electrolyzing water to generate electrolytic water, a gas-liquid contact member in which the electrolytic water generated in the electrolytic bath infiltrates and an air blowing fan for blowing air to the gas-liquid contact member is equipped with a water circulation passage through which the electrolytic water is supplied/circulated to the gas-liquid contact member, the electrolytic water passing through the gas-liquid contact member is received and stocked by a water receiving tray and the stocked electrolytic water is pumped up and supplied to the gas-liquid contact member, a drain pipe branched from the water circulation passage, a water stop valve for opening/closing the drain pipe, and a drain receiver for receiving and stocking the electrolytic water discharged from the drain pipe when the water stop valve is opened.

Abstract: An apparatus for the production of ionized oxygen and ozone from pure oxygen. An adjustable high voltage power supply is connected to an ozone generator having at least one ozone generator therein. The HV power supply has a relatively low voltage setting for producing negative ionized oxygen and a relatively high voltage setting for producing ozone. A negative ionizer may be included to increase the concentration of negative ionized oxygen. Outputted gasses are directed to a hermetically sealed envelope positioned around and in spaced relation from the surface of a patient's injury. If the wound is infected, ozone is selectively used to treat the infection for a first predetermined period of time sufficient to neutralize the infection. After the wound is treated with ozone, negative ionized oxygen is selectively used to treat the wound for a second predetermined period of time sufficient to enhance the healing of the wound.

Abstract: Helium is introduced as an additive to any of the oxygen streams introduced into an ozone generator, such as a dielectric discharge (cold plasma) ozone generator, where the effluent of the generator is directed to an adsorption process for separating the ozone from the oxygen. Also disclosed is an improved PSA cycle, which is designed to reduce the amount of make-up helium and oxygen required to sustain the ozone generation and recovery process.

Abstract: A chemical decontamination apparatus of the present invention chemically dissolves radioactive substance-containing oxide films formed or adhering on the surface of a decontamination object by using ozone water to conduct decontamination. The chemical decontamination apparatus includes an ozone generating unit for generating ozone gas, an ozone supplying device for supplying the generated ozone gas to an ozone supplying unit in water, and a sintered metal element 37 which is disposed in the ozone supplying unit and to which ozone gas is supplied from the ozone supplying device. The ozone gas supplied to a sintered metal element interior from the ozone supplying device is allowed to flow out of the element into water so as to generate ozone water.

Abstract: A processing system 1 comprises: a processing vessel 30 configured to accommodate an object to be processed W in a processing space 83; a process-fluid generating part 41 configured to generate a process fluid of a predetermined temperature; and a main duct 56 arranged between the process-fluid generating part 41 and the processing vessel 30, the main duct 56 being configured to guide the process fluid supplied from the process-fluid generating part 41. A process-fluid supply duct 171 is arranged on a downstream side of the main duct 56 via a switching valve 70, the process-fluid supply duct 171 being configured to introduce the process fluid into the processing space 83 of the processing vessel 30. A process-fluid bypass duct 172 is arranged on the downstream side of the main duct 56 via the switching valve 70, the process-fluid bypass duct 172 being configured to guide a process fluid, which is not introduced to the process-fluid supply duct 171, so as to bypass the processing space 83.

Abstract: An ozone generator for in-situ sterilization of water, which may be pocket-sized, is disclosed. The ozone generator includes a power source, at least a supercapacitor, a switching circuitry and at least a pair of electrodes. The power source is adapted for providing a reaction energy to generate ozone gas within the water to be treated. The supercapacitor is adapted for amplifying the reaction energy provided by the power source. The circuitry is adapted for controlling the supercapacitor to deliver consistent power supply to generate ozone. The electrodes are adapted for receiving the amplified reaction energy from the supercapacitor to generate ozone within the water to be treated.

Abstract: A tri-compartment hamper is provided that is easily installed, removed and stored. The hamper is strong, yet relatively light weight and functions among other things to deodorize laundry, allows quick installation in the proper position with a large compartment for dirty clothes, a smaller compartment with a hanging rack for wet clothes, and a bottom drawer compartment.

Abstract: In a first treatment step part of at least one difficulty biodegradable or non-biodegradable organic compound is oxidized in polluted water by bringing said polluted water into contact with an ozone containing gas. The effluent is subsequently diluted with an aqueous liquid before a second treatment with ozone is carried out. If the concentration of the organic compound is still not sufficiently low, the treated effluent is diluted again and subjected to a further treatment with ozone. It was found that a more effective ozone treatment was obtained by the dilution or dilutions and that in particular no pH control was needed, so that no formation of additional salts occurred.

Abstract: An apparatus for removing harmful gas components out of the earth's atmosphere is a free-flying autonomous lightweight aircraft with an onboard gas processing system including gas separation or extraction devices, and inlets and outlets connected to the devices. Solar cells and/or thermoelectric generators provided on the craft produce electrical energy to operate the individual devices. The system may include a cryogenic closed-loop circulation system that participates in liquefying the extracted gas components. The apparatus is preferably a lighter-than-air craft like a dirigible. A method of extracting harmful gas components from the atmosphere involves flying the apparatus at a prescribed altitude level and operating the gas processing system to remove the harmful gas component from the atmosphere, then returning the apparatus to earth to offload the liquefied stored harmful gas component.

Abstract: The present invention provides a method and apparatus for sterilizing articles using an ozone-containing gas, where condensation of water from the sterilization atmosphere during the sterilization process is substantially prevented. The inventive sterilization method includes providing a sterilization chamber and placing an article into the sterilization chamber. The sterilization chamber is sealed prior to equalizing the temperature of the article and the atmosphere in the sterilization chamber. A vacuum is applied to achieve a preselected vacuum pressure in the sterilization chamber. Once the vacuum pressure is set, water vapour is supplied to the sterilization chamber. Ozone-containing gas is then supplied to the sterilization chamber and the sterilization chamber remains sealed for a preselected treatment period, where the sterilization chamber remains sealed throughout the whole process. Finally, vacuum in the sterilization chamber is released.

Abstract: Devices for generating and storing ozone. The device includes a tank for containing gas therein; an ozone generator for generating ozone and communicating the ozone with the tank; and at least one valve for admitting gas into the device, holding gas in the device, and discharging gas from the device.

Abstract: An apparatus and method are provided for elimination of mold, pests, insects and the like from bulk, stored grain and milled grain products and other biological items by pushing an ozone-containing atmosphere up through the grain or biological items and providing and maintaining an ozone-containing atmosphere in contact with the upper surface of the grain or biological items and maintaining an ozone-containing atmosphere in the spaces of the storage contained that are below the grain or biological items.

Abstract: A cooling water recycling filter comprises a supersonic and electromagnetic wave limescale processor installed inside a main water recycling system of water storage tank and a sub water recycling system installed outside a main water recycling system. The sub water recycling system comprises a water quality control unit, a limescale processor unit, a limescale separation and filter unit and a high level oxidization and processing unit. An electric conductivity sensor, a PH value sensor, and an ORP oxidization and reduction potential meter of water quality control unit are used to measure the values of water quality. A limescale processor and impurities separator is used to filter impurities of the cooling water. After the cooling water is filtered precisely by the limescale separation and filter unit, the cooling water is sterilized by a copper and silver sterilizing and algae-killing unit of a sterilization unit.

Abstract: An apparatus for promoting the efficient use of gases dissolved in a liquid by limiting the amount of off-gassing or evaporation from the liquid. The apparatus is a distribution/retention plate, may be utilized in a portable food washing system. The food washing system is a portable unit having a treatment chamber with an access door for the placement of food products on a loading plate. A food product is placed in the chamber and sprayed with ozonated water containing diffuse concentrations of ozone which reacts with and destroys organic contaminants on the food product. The distribution/retention plate is located at the bottom of the treatment chamber, and divides the treatment chamber from a reservoir and controls the rate of ozone off-gassing from the reservoir, thereby increasing ozone concentration in the water in the reservoir. In an alternative embodiment, the distribution/retention plate is utilized in an automatic dishwashing system.

Abstract: Provided is an ozone generator (47) including two sheets of ozone generating electrodes (156, 157). These two ozone generating electrodes (156, 157) are arranged in a treating passage (152) in series along an air flowing direction. Thus, the air to come in from an air inlet port flows at first along the ozone generating electrode (156) of the first sheet, and receives, while flowing, the creeping discharge of the first ozone generating electrode (156) thereby to generate the ozone. The air thus having generated the ozone further flows in the treating passage (152) to the ozone generating electrode (157) of the second sheet, and receives, while flowing, the creeping discharge of the second ozone generating electrode (157) thereby to generate the additional ozone. The highly dense ozone can be used to clean the washing water.

Abstract: A surface of a target item is treated by directing a flow of solid carbon dioxide entrained in ozone towards it.

Abstract: A plasmatron-catalyst system. The system generates hydrogen-rich gas and comprises a plasmatron and at least one catalyst for receiving an output from the plasmatron to produce hydrogen-rich gas. In a preferred embodiment, the plasmatron receives as an input air, fuel and water/steam for use in the reforming process. The system increases the hydrogen yield and decreases the amount of carbon monoxide.

Abstract: The invention proposes a system (16) for treating the exhaust gases (G) of a motor vehicle combustion engine (10), particularly a lean-burn diesel engine or engine, comprising a burnt gas (G) exhaust circuit (14), of the type in which the exhaust circuit (14) comprises a burnt gas (G) ionization system (22), characterized in that the exhaust circuit (14) comprises an ionized air injection system (24) upstream and/or downstream of the burnt gas (G) ionization system (22).

Abstract: Apparatus for producing ozone gas for use in the beauty treatment of skin, comprising a sealed vessel (1) containing a gas and means for supplying to the vessel a potential difference (9), thereby causing the gas to become charged, whereby placing the vessel close to the skin of a user causes the charged gas to discharge by creating an electrical spark which jumps between the vessel and the skin, the spark resulting in the production of ozone gas in the vicinity of the skin, wherein the apparatus additionally comprises a guard (1a) for the vessel to protect the vessel from breakage, the guard having apertures therein to permit the vessel to discharge to the skin of the user.

Abstract: A UV-assisted advanced-ozonation water treatment system comprises a water treating tank 1, an ozonic water tank 2, an ozonized gas generator 3, and a UV light source 4 disposed in the water treating tank 1 and having a UV-radiating surface 4a, and an ozonic water jetting device including jetting nozzles 5 for jetting the ozonic water onto the UV-radiating surface of the UV light source. An ozonized gas diffusing device 12 is placed in the ozonic water tank 2. An ozonized gas generated by the ozonized gas generator 3 and compressed by a compressor 13 at a pressure in the range of about 2 to about 3 kg/cm2 is diffused into the ozonic water tank 2 by the ozonized gas diffusing device 12. A high-pressure, a high-ozone-concentration ozonic water produced in the ozonized water tank 2 is jetted through the jetting nozzles 5 onto the UV-radiating surface 4a.

Abstract: Gas-diffusion electrodes containing modified carbon products are described wherein the modified carbon product is a carbon product having attached at least one organic group. The modified carbon product can be used for at least one component of the electrodes such as the active layer and/or the blocking layer. Methods to extend the service life of electrodes as well as methods to reduce the amount of fluorine containing compounds are also described.

Abstract: A frame-type ozone generator has a plurality of elongated electrodes deployed in substantially parallel, spaced relation to each other so as to form a substantially flat electrode array, and a flow generator for generating a flow of oxygen containing gas through the electrode array in a direction substantially perpendicular to the electrode array. According to a first embodiment each of the electrodes is formed from an electrically conductive core covered with polyvinyl-difluoride. According to a second embodiment each of the electrodes is formed from an electrically conductive core covered with a material which includes silicon rubber.

Abstract: Apparatus for producing ozone gas for use in the beauty treatment of skin, comprising a sealed vessel (1) containing a gas and means for supplying to the vessel a potential difference (9), thereby causing the gas to become charged, whereby placing the vessel close to the skin of a user causes the charged gas to discharge by creating an electrical spark which jumps between the vessel and the skin, the spark resulting in the production of ozone gas in the vicinity of the skin, wherein the apparatus additionally comprises a guard (1a) for the vessel to protect the vessel from breakage, the guard having apertures therein to permit the vessel to discharge to the skin of the user.

Abstract: The invention relates to chemistry and in particular to technology for processing hydrocarbon fuel, including engine fuel. The invention makes it possible to obtain a fuel with high cetane and octane numbers by means of the following: the initial fuel supply occurs simultaneously with ejection; an ozone containing gas is fed into the ejection area; turbulent flows are created by displacement of such a mixture; the transformed mixture is directed into a volume with a stable pressure level; and thermodynamic equalization of the mixture parameters is achieved. During thermodynamic equalization, sprayed water is injected into said mixture.

Abstract: The invention provides a sterilization process which is not carried out in a vacuum, including the steps of introducing an oxidizing agent in a gaseous state into a sterilization chamber or area to be sterilized, and introducing gas plasma into the sterilization chamber or area to be sterilized. An apparatus for carrying out the process is disclosed.

Abstract: A method for making surface corona discharge, which produces ozone gas and apparatus for producing the same are disclosed, in which a dielectric spacer/film having a specific capacity C′ equal to or more than 200 nanofarad per square meter positioned between the base electrode and the net electrode. Said net electrode is a wire net or a perforated metal or a wire winding having an open area not less than about 70%, and a size of hole D equals to or less than about 0.7V/P, where V is a voltage in kilovolts and P is pressure of an ambient air or an oxygen in atmospheres. Net electrode has radius R of wire or radius of an edge of openings in the perforated metal equal to or more than about 1.6d, where d is the thickness of the said dielectric spacer/film, which is determined by a fundamental formula d=9k/C′, where d is in millimeters, C′ is in nF/m2, and k is dimensionless dielectric constant k of given material.

Abstract: An aqueous ozone generator with reverse osmosis or deionization function includes an ozone generator and an ozone monitor connected with the outlet end of a reverse osmosis circuitry. The reverse osmosis circuitry can be replaced by a deionization circuitry. The ozone generator produces ozone which is then diffused to the pure water making the aqueous ozone solution with ozone level above 1 ppm. As a disinfectant, aqueous ozone solution is applied to water for washing food, dishware, wound and medical devices.

Abstract: The present invention provides systems and methods for destroying pathogens (including bacteria and viruses) from delivery, postal or courier items such as letters, parcels, boxes, etc. In preferred aspects, the items to be treated are placed in a chamber which is then flooded with ozone gas at pressures above ambient atmospheric pressure. The exposure to pressurized ozone is carried out at a sufficiently high concentration, and for a sufficiently long duration such that the sterilizing ozone penetrates into the interior of the delivery, postal or courier item.

Abstract: A system and method for preserving stored foods. The system and method utilizes an apparatus for generating ozone and other atoms and molecules resulting from the bombardment of a feed gas with electrons having, preferably, a first electrode positioned within a channel in a second electrode. The first electrode is a substantially sealed tube made of dielectric material, having at least one electron gun positioned proximate an end for firing electrons into the first electrode. In electrical communication with the electron gun is a rod, maintained in a tube also made of dielectric material, which acts to maintain a constant energy level through the length of the rod and thus the length of the electrode. Within the first electrode is an inert gas which, upon the firing of the electron gun, is formed into a plasma.

Abstract: An ozone processing apparatus for a semiconductor processing system includes an ozone generating unit and a reforming processing unit connected to each other through a connection piping section. The ozone generating unit includes an ozone generator and a pressure regulator connected to each other through a piping line. The connection piping section has a double-pipe structure consisting of an inner pipe and an outer pipe. The piping line and the inner pipe are made of a fluorocarbon resin. A branch line branches from the middle of the piping line, and is connected to a factory exhaust passageway. The branch line is provided with a flowmeter and an ozone densitometer. A controller is arranged to control the ozone generator with reference to the value of ozone concentration measured by the densitometer.

Abstract: Methods of using ozone have been developed which sterilize instruments and medical wastes, oxidize, organics found in wastewater, clean laundry, break down contaminants in soil into a form more readily digested by microbes, kill microorganisms present in food products, and destroy toxins present in food products. The preferred methods for killing microorganism and destroying toxins use pressurized, humidified, and concentrated ozone produced by an electrochemical cell.

Abstract: An ozone producing apparatus includes an ozone generator for generating ozonized oxygen, an adsorption/desorption tower for adsorbing and storing ozone from the ozonized oxygen, and an ozone desorbing device for desorbing adsorbed and stored ozone for supply, wherein the apparatus further includes an oxygen gas supply tank for supplying oxygen to the adsorption/desorption tower at the time that desorption is started and an oxygen gas flow rate adjusting valve for adjusting flow rate of the oxygen gas to, be supplied. Ozone injection can be made definite, and the apparatus is economical in the aspect of both initial and running costs. It presents great effects of preventing slime adhesion and can also limit generation of oxidants even when applied to sea water.

Abstract: An ozone producing apparatus comprising an ozone generator for generating ozonized oxygen, an adsorption/desorption tower for adsorbing and storing ozone from the ozonized oxygen generated by the ozone generator, and an ozone desorbing means for desorbing the adsorbed and stored ozone for supply, wherein a reducer storage for storing reducer therein is connected to the adsorption/desorption tower through a switch valve which is opened when the ozone producing apparatus is under an abnormal driving condition. Desorbed ozone can be safely treated even in the case of power failure or an abnormal driving condition in which high pressure or high temperature exists in the adsorption/desorption tower.

Abstract: An ozone-oxygen gas stream is introduced into feed side of a membrane separation unit containing an elastomeric polymer membrane. Ozone-enriched gas passes through the membrane to a permeate zone and is contacted with an ozone-reactive substance-containing gas stream in the permeate zone, thereby oxidizing the substances or is removed from the permeate zone. Removal of the ozone-enriched gas from the permeate zone may be effected by purging the permeate zone with an inert gas and/or evacuating the permeate zone. Ozone-enriched gas removed from the permeate zone may be mixed with a liquid or gas stream which contains ozone-reactive substances in, for example, a venturi device, thereby oxidizing the substances.