An ozone generator and an ozone generating method, where the ozone generator includes a dielectric substrate, a first electrode disposed on a first surface of the dielectric substrate, and a second electrode disposed on the dielectric substrate and corresponding to the first electrode. The first electrode comprises a plurality of first finger portions and a plurality of superficial structures integrally formed on the plurality of first finger portions.

In an ozone generating device including a discharge unit for discharging a material gas that flows through a discharge space formed between two electrodes to generate ozone and a cooling unit for radiating heat which is generated by the discharging, wherein the material gas is obtained by vaporizing a liquefied raw material, the cooling unit includes a first cooling unit through which a first refrigerant flows in contact with one of the two electrodes and a second cooling unit which is provided further to the downstream side of flow of the material gas in the discharge unit than the first cooling unit, and in which the cold heat source is the liquefied raw material and the temperature of the second refrigerant introduced to the second cooling unit is set to be lower than the temperature of the first refrigerant introduced to the first cooling unit.

Ozone generating machine (OGM) for generating ozone in a ship, comprising: an ozone generator with at least two electrodes separated by an ozonizing gap and at least a gas inlet for receiving a feed gas containing dioxygen, and a gas outlet for exhausting gas comprising ozone to an ozone circuit of the ship, a main liquid cooling circuit (CWP, CWT), with at least a cooling portion in the ozone generator, to be connected with a cooling circuit of a ship, a liquid-liquid heat exchanger (LLHEX) connected with the main liquid cooling circuit (CWP, CWT), and an electrical closed cabinet (ECB) comprising an electric current converter (ECV),
characterized in that the ozone generating machine (OGM) further comprises a closed loop cooling liquid circuit (CLC) comprising a converter liquid cooling portion (CECV) arranged to cool the electric current converter (ECV) and connected with the liquid-liquid heat exchanger (LLHEX).

A water treatment apparatus includes: a plurality of plate-shaped ground electrodes; a high-voltage electrode unit having counter electrode portions opposing the ground electrodes, support portions supporting the counter electrode portions, and a voltage receiving portion for receiving a high voltage; a water supply unit for supplying to-be-treated water to between the ground electrodes from above, insulating members each having a lower end portion fixed to a support structure fixing lower end portions of the ground electrodes, and an upper end portion connected to the voltage receiving portion of the high-voltage electrode unit. The lower ends of the support portions of the high-voltage electrode unit are held in a space between the ground electrodes, and a portion where each insulating member and the high-voltage electrode unit are connected to each other is located above the water supply unit, so that electric leak due to the to-be-treated water is inhibited.

An air purifier (100) includes a housing (400) formed with an air duct (401), an ozone generation device (20), an activated carbon purification unit (80), and a fan (200) arranged in the air duct (401). The air duct (401) includes an air inlet (402) and an air outlet (403). The air outlet (403) is disposed indoors. The ozone generation device (20) and the activated carbon purification unit (80) are arranged in the air duct (401) along the direction of the air inlet to the air outlet (403), and the ozone generation device (20) is used to generate ozone. The fan (200) is used to suck gas from the air inlet (402) during operation and let the gas pass through the ozone generation device (20) and the activated carbon purification unit (80) to be discharged from the air outlet (403) into the room.

An apparatus includes a first production line configured to generate aqueous ozone with a first ozone concentration. The apparatus also includes an additional production line configured to generate aqueous ozone with an additional ozone concentration. The first production line and the additional production line include a flow switch, where fluid is configured to flow through the flow switch. The first production line and the additional production line include an ozone generator, where the ozone generator is configured to generate ozone when the fluid flows through the flow switch. The first production line and the additional production line include a fitting coupled to the flow switch and the ozone generator, where the fitting is configured to combine the generated ozone and the fluid to generate the aqueous ozone. The first production line is configured to generate aqueous ozone independently from the additional production line.

Proposed are an ozone generating electrode, a method of manufacturing the same, and a method of producing ozone using the same. The ozone generating electrode includes a support including a metal, a catalyst layer positioned on one surface or both surfaces of the support, and a coating layer positioned on the catalyst layer and including a metal oxide. The ozone generating electrode is energy efficient, stable, and provides a high concentration of ozone to a water system. In addition, when water treatment is performed with the ozone generating electrode of the present invention, it is possible to more effectively decompose pollutants during water treatment and to reduce the electrode replacement cycle, thereby reducing water treatment operation time and cost.

Disclosed herein are flexible plasma applicators based on fibrous layers that are capable of rapidly sanitizing a surface via either direct or indirect contact with said surface.

The present invention comprises a method for optimizing the consumption of an operating resource of ozone generators in which an oxygen-containing gas is conveyed through an existing gap between two conductors, between which there is a potential difference, wherein the ozone generator has a generator rated power P.sub.n that is achieved when the ozone generator has an electrical power P.sub.el=P.sub.el,max coupled and the oxygen-containing gas is conveyed through the gap with a gas flow φ.sub.N, such that the gas that flows through has an ozone concentration c.sub.ozN, wherein the method comprises the following steps: A) specify a required generator power P.sub.target, B) if 0<P.sub.target<P.sub.n, reduce both the electrical power P.sub.el=P.sub.el,actual<P.sub.el,max and the ozone concentration c.sub.oz,actual<c.sub.ozN, wherein P.sub.el,actual and c.sub.oz is selected in order to achieve the required generator power P.sub.target.

A power supply that supplies power to a capacitive load comprises: a converter; an inverter; a resonant transformer; a detector configured to detect output frequency or output current and output voltage; and a controller configured to control the inverter, wherein the controller is configured to: calculate output power; adjust the output frequency within a predetermined frequency search range, adjust the output voltage within a predetermined voltage search range, and specify, as a frequency target value, a minimum value of the output frequency with which the output power reaches predetermined output power; and control the inverter so that the output frequency will be the frequency target value, adjust the output voltage within the predetermined voltage search range, and specify, as a voltage target value, a value of the output voltage with which the output power is target output power.