Abstract: An apparatus is disclosed including a desulfurization device which removes sulfur oxides contained in boiler flue gas, a spray drying device which sprays desulfurization waste water discharged from the desulfurization device and which dries the waste water by introducing a drying gas, a flue gas supplying line L13 which returns, to a main flue L11, flue gas obtained after the desulfurization waste water is evaporated and dried, an alkaline agent supplying unit which adds an alkaline agent to a desulfurization waste water line L21, and a pH meter which measures the pH in the desulfurization waste water at locations before and after the alkaline agent supplying unit in the desulfurization waste water line L21, wherein the alkaline agent is added in accordance with a measurement result of a measured pH to cause the desulfurization waste water added with the alkaline agent to have a pH fall within a predetermined pH.

Abstract: Provided is an operation support system for a desulfurization apparatus evaluates soundness of the desulfurization apparatus by comparing an analytic performance calculated based on operation data of the desulfurization apparatus and a measured performance and creates support information including an operation condition candidate set based on the evaluation result and a balance forecast.

Abstract: A ship desulfurization device for desulfurizing exhaust gas discharged from an exhaust gas generation device mounted to a ship includes: an absorber including an absorber body unit defining an interior space having a longitudinal direction and having an exhaust gas introducing port formed on an end portion of the absorber body unit with respect to the longitudinal direction, the exhaust gas introducing port being in communication with the interior space; and an exhaust gas introducing device for introducing exhaust gas discharged from the exhaust gas generation device to the absorber body unit. When L is a maximum length of the interior space of the absorber body unit with respect to the longitudinal direction, and W is a maximum width of the interior space of the absorber body unit with respect to a lateral direction that is orthogonal to the longitudinal direction, a ratio (W:L) of the maximum width W to the maximum length L is within a range of 1:over 1.1 and 1:6.0 or under 6.0.

Abstract: A ship desulfurization device includes an absorber including an absorber body unit defining an interior space having a longitudinal direction and having an exhaust gas introducing port on an end portion of the absorber body unit with respect to the longitudinal direction, the exhaust gas introducing port in communication with the interior space; and an exhaust gas introducing device for introducing exhaust gas discharged from the exhaust gas generation device to the absorber body unit. When L is a maximum length of the interior space of the absorber body unit with respect to the longitudinal direction, and W is a maximum width of the interior space of the absorber body unit with respect to a lateral direction that is orthogonal to the longitudinal direction, a ratio (W:L) of the maximum width W to the maximum length L is within a range of 1:X, where 1.1<X?6.0.

Abstract: A water treatment tank includes: a tank body including a bottom surface extending in a horizontal direction; an overflow wall partitioning the inside of the tank body into an upstream tank into which treatment water having absorbed sulfur from an exhaust gas is introduced and a downstream tank into which the treatment water overflowing from the upstream tank is introduced to flow therein; and an inclined part that is provided between the bottom surface of the tank body and the overflow wall in the downstream tank and is inclined downward as it goes from the overflow wall toward a downstream side inside the downstream tank to be connected to the bottom surface of the tank body.

Abstract: A water treatment tank includes: a tank body including a bottom surface extending in a horizontal direction; and an overflow wall installed in the tank body to partition an inside space of the tank body into a seawater intake upstream tank into which treatment water having absorbed sulfur from an exhaust gas is introduced and a seawater intake downstream tank into which treatment water overflowing the seawater intake upstream tank is introduced to flow therein. The treatment water flowing into the seawater intake downstream tank is divided by the overflow wall in the width direction of the overflow wall so as to form a waterfall region and a non-waterfall region.

Abstract: An object is to provide a spray pipe and a desulfurization apparatus provided with the spray pipe that facilitate determination of abrasion of the spray pipe and determination of necessity of repair and replacement of the spray pipe. The spray pipe according to the present disclosure includes: a tubular strength layer that is configured of :fiber-reinforced plastic; an outer abrasion resistant layer that covers an outer peripheral side of the strength layer; and an inner abrasion resistant layer that covers an inner peripheral side of the strength layer. The outer abrasion resistant layer is a laminated body of a plurality of first abrasion resistant layers, and colors of the plurality of first abrasion resistant layers are different from each other.

Abstract: SOx removal equipment for reducing sulfur oxides from flue gas from a boiler, a cooler which is provided on a downstream side of the SOx removal equipment for reducing the sulfur oxides that remain in the flue gas and for decreasing a gas temperature, CO2 recovery equipment which includes a CO2 absorber, and an absorption liquid regenerator, and mist generation material reduction equipment for reducing a mist generation material which is a generation source of mist that is generated in the CO2 absorber of the CO2 recovery equipment before introducing the flue gas to the CO2 recovery equipment are included.

Abstract: A cement solidification device for waste includes a slurrying vessel 14 that dissolves and slurries waste 11 containing harmful substances and deliquescent compounds in solvent water 12 to obtain slurried material 13; an iron-based additive supply unit 16 that adds an iron-based additive 15 to the slurrying vessel 14; a cement kneading vessel 20 that adds a cement solidifying agent 17 from a cement-solidifying agent supply unit 18 to the slurried material 13 in which the iron-based additive 15 is mixed to obtain a cement kneaded product 19; and a cement solidification unit 22 that cures the cement kneaded product 19 to form a cement solidified product 21.

Abstract: A non-transitory computer-readable recording medium stores therein a matching program that causes a computer to execute a process including: determining subgame perfect equilibrium of a game in extensive form corresponding to the matching, the game in extensive form having a structure in which a plurality of independent players have respective gains corresponding to respective preferences of the respective applicants, and have the ranks of priority associated with order of play, and each of the players recognizes the gains of all the players; performing matching based on results of the subgame perfect equilibrium; setting the gain of a player corresponding to a coupling-requesting applicant having a coupling request requesting matching as a group with another specific applicant, in accordance with whether the coupling request is satisfied; and determining whether to prune options in a move of the player corresponding to the coupling-requesting applicant.

Abstract: Flue gas generated when fuel is subjected to combustion by a combustor such as a boiler is supplied, and a sulfur oxide is reduced or removed from the supplied flue gas. A desulfurization apparatus 10A includes an absorber 11, a gas introduction unit 13a, an absorbent jetting unit 15, a plurality of water flow oxidation devices 20, an absorbent supplying unit 25, a demister 30, a gas discharging unit 13b, and a control device 40 that varies the number of water flow oxidation devices 20 that jet absorbent 14 and air 21 based on a rate of the sulfur compound in the absorbent 14 within an absorbent storage tank 11A.

Abstract: A desulfurization apparatus includes a blowdown water line, an organic matter remover, an absorber, and a makeup water introducing line. The blowdown water line is for introducing boiler cooling tower blowdown water from a boiler cooling tower. The organic matter remover is disposed on the blowdown water line to remove organic matter in the boiler cooling tower blowdown water by activated carbon. The absorber is configured to absorb sulfur oxides in flue gas from a boiler. The makeup water introducing line is for introducing the boiler cooling tower blowdown water from which the organic matter has been removed as makeup water for the absorber.

Abstract: An apparatus is disclosed including a desulfurization device which removes sulfur oxides contained in boiler flue gas, a spray drying device which sprays desulfurization waste water discharged from the desulfurization device and which dries the waste water by introducing a drying gas, a flue gas supplying line L13 which returns, to a main flue L11, flue gas obtained after the desulfurization waste water is evaporated and dried, an alkaline agent supplying unit which adds an alkaline agent to a desulfurization waste water line L21, and a pH meter which measures the pH in the desulfurization waste water at locations before and after the alkaline agent supplying unit in the desulfurization waste water line L21, wherein the alkaline agent is added in accordance with a measurement result of a measured pH to cause the desulfurization waste water added with the alkaline agent to have a pH fall within a predetermined pH.

Abstract: An air pollution control system includes a denitration device that removes nitrogen oxide in flue gas from a boiler; a heat transfer tube for recovering part of heat of the flue gas after denitration; a precipitator that removes soot and dust in the flue gas after heat recovery; a desulfurization device that removes sulfur oxide in the flue gas discharged from the precipitator; a heat transfer tube for heating the flue gas discharged from the desulfurization device; a circulation pump that circulates a heat medium between the heat transfer tubes; a heat medium heater provided to the circulation pipe to heat the heat medium; and a control device that controls the heat medium heater based on an ammonia concentration at an outlet of the denitration device. The control device causes the heat medium heater to heat the heat medium when the ammonia concentration is higher than a certain value.

Abstract: A heat exchanger includes a heat recovery unit that causes a heat medium to recover heat from flue gas through first heat exchange by bringing the flue gas into contact with a fin tube; a reheater including a preheating unit configured to preheat flue gas through second heat exchange by bringing the flue gas into contact with a tube, and heating units that heat the flue gas through third heat exchange by bringing the flue gas into contact with the heat medium; and a control unit that calculates a recovered heat quantity to be recovered by the heat recovery unit from the flue gas through the first heat exchange, and that controls temperature of the heat medium after the first heat exchange within a predetermined range.

Abstract: Provided is an absorber that removes sulfur oxide in a flue gas with an absorbent, an absorbent storing unit that stores the absorbent that has absorbed the sulfur oxide, an oxidation-reduction potential meter that measures an oxidation-reduction potential of the absorbent in the absorbent storing unit, a reducing additive supplying unit that supplies a sulfur oxoacid reducing additive into the absorbent storing unit, and a control device that controls the reducing additive supplying unit based on a measured value of the oxidation-reduction potential of the absorbent measured with the oxidation-reduction potential meter, wherein the reducing additive supplying unit supplies the sulfur oxoacid reducing additive when the measured value of the oxidation-reduction potential has exceeded an upper limit of an appropriate range of the oxidation-reduction potential.

Abstract: A desulfurization apparatus includes a blowdown water line, an organic matter remover, an absorber, and a makeup water introducing line. The blowdown water line is for introducing boiler cooling tower blowdown water from a boiler cooling tower. The organic matter remover is disposed on the blowdown water line to remove organic matter in the boiler cooling tower blowdown water by activated carbon. The absorber is configured to absorb sulfur oxides in flue gas from a boiler. The makeup water introducing line is for introducing the boiler cooling tower blowdown water from which the organic matter has been removed as makeup water for the absorber.

Abstract: An air pollution control system includes adenitration device that removes nitrogen oxide in flue gas from a boiler; a heat transfer tube for recovering part of heat of the flue gas after denitration; a precipitator that removes soot and dust in the flue gas after heat recovery; a desulfurization device that removes sulfur oxide in the flue gas discharged from the precipitator; a heat transfer tube for heating the flue gas discharged from the desulfurization device; a circulation pump that circulates a heat medium between the heat transfer tubes; a heat medium heater provided to the circulation pipe to heat the heat medium; and a control device that controls the heat medium heater based on an ammonia concentration at an outlet of the denitration device. The control device causes the heat medium heater to heat the heat medium when the ammonia concentration is higher than a certain value.

Abstract: A non-transitory computer-readable recording medium stores therein a matching program that causes a computer to execute a process including: determining subgame perfect equilibrium of a game in extensive form corresponding to the matching, the game in extensive form having a structure in which a plurality of independent players have respective gains corresponding to respective preferences of the respective applicants, and have the ranks of priority associated with order of play, and each of the players recognizes the gains of all the players; performing matching based on results of the subgame perfect equilibrium; setting the gain of a player corresponding to a coupling-requesting applicant having a coupling request requesting matching as a group with another specific applicant, in accordance with whether the coupling request is satisfied; and determining whether to prune options in a move of the player corresponding to the coupling-requesting applicant.

Abstract: A non-transitory computer-readable recording medium stores therein a matching program that matches a plurality of applicants with matching priorities and a plurality of targets, the matching program causing a computer to execute a process including: setting matching type for each coupling-request applicant with first matching type or second matching type, the coupling request applicant requesting a specific applicant and the coupling-request applicant be matched with a same target, the first matching type performing matching of the coupling-request applicant collectively with the specific applicant, the second matching type performing matching of the coupling-request applicant separately from the specific applicant; and performing and repeating matching the plurality of applicants and the plurality of targets utilizing the matching priorities of the plurality of applicants and the matching type of the coupling-request applicant, until there are no coupling-request applicants with the first matching type whose