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AssigneeCanon Kabushiki Kaisha
InventorsKinya Kato, Yasutsugu Yamada, Etsuko Sugawa, Masanori Sakuranaga, Akira Kuriyama, Takeshi Imamura, Yuji Kawabata
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A method for decomposing halogenated aliphatic hydrocarbon compounds or aromatic compounds characterized by contacting the compound to be decomposed with functional water under light irradiation, wherein the functional water is characterized by a hydrogen ion concentration (pH) of 1-4, an oxidation-reduction potential of 800-1500 mV (working electrode: platinum, reference electrode: silver-silver chloride) and a chlorine concentration of 5-150 mg/l, and the irradiation is carried out with light of a wavelength of 300 nm or more, with an intensity of 10 mW/cm2 or less. This method is carried out at room temperature under the atmospheric pressure. An apparatus for the method is also provided.
A method of decomposing a halogenated aliphatic hydrocarbon compound or an aromatic compound, comprising a step of contacting under irradiation with light a medium containing at least one of a halogenated aliphatic hydrocarbon compound and an aromatic compound with functional water produced by electrolysis of water containing an electrolyte.
A method of decomposing a halogenated aliphatic hydrocarbon compound or an aromatic compound, comprising a step of contacting under irradiation with light a medium containing at least one of a halogenated aliphatic hydrocarbon compound and an aromatic compound with functional water containing hypochlorous acid.
A method for purifying an exhaust gas, comprising a step of contacting an exhaust gas containing at least one of a halogenated aliphatic hydrocarbon compound and an aromatic compound with functional water produced by electrolyzing water containing an electrolyte, under light irradiation to decompose said halogenated aliphatic hydrocarbon compound or aromatic compound.
A purifying method for purifying an exhaust gas, comprising a step of contacting an exhaust gas containing at least one of a halogenated aliphatic hydrocarbon compound and an aromatic compound with functional water containing hypochlorous acid under irradiation with light to decompose the halogenated aliphatic hydrocarbon compound or aromatic compound.
An apparatus for decomposing a halogenated aliphatic hydrocarbon compound or an aromatic compound, comprising a container having a pair of electrodes of an anode and a cathode, and a power source for applying a voltage to the electrodes, means for supplying the container with water containing an electrolyte dissolved therein, light irradiation means and means for supplying a medium containing at least one of a halogenated aliphatic hydrocarbon compound and an aromatic compound.
An apparatus for decomposing a halogenated aliphatic hydrocarbon compound or an aromatic compound, comprising a decomposition treatment tank, means for supplying functional water produced by electrolyzing water to the decomposition treatment tank, means for supplying a halogenated aliphatic hydrocarbon compound or an aromatic compound to be decomposed and means for irradiating the decomposition tank with light.
An apparatus for decomposing a halogenated aliphatic hydrocarbon compound or an aromatic compound comprising a container for containing functional water which contains hypochlorous acid, means for irradiating the container with light and means for supplying the container with a medium containing at least one of a halogenated aliphatic hydrocarbon compound and an aromatic compound.
An apparatus for purifying an exhaust gas containing at least one of a halogenated aliphatic hydrocarbon compound and an aromatic compound, comprising a reaction container having inlet ports and discharge ports for an exhaust gas and functional water, and being filled with a filler from the inlet ports to the discharge ports, means for introducing the exhaust gas into the reaction container, means for introducing functional water obtained by electrolysis of water containing an electrolyte into the reaction container, and means for irradiating the inside of the reaction container with light.
An apparatus for purifying an exhaust gas containing at least one of a halogenated aliphatic hydrocarbon compound and an aromatic compound, comprising a reaction container having inlet ports and discharge ports for an exhaust gas and functional water, and being filled with a filler from the inlet ports to the discharge ports, means for introducing the exhaust gas into the reaction container, means for introducing functional water containing hypochlorous acid into the reaction container, and means for irradiating the inside of the reaction container with light.
Dependencies are inferred from the claim text.