Abstract: A method for recovering an acidic gas, includes: a step of bringing a gas to be treated that contains an acidic gas into gas-liquid into contact with an amine absorbing solution, allowing the amine absorbing solution to absorb the acidic gas, thereby removing the acidic gas from the gas to be treated; a step of allowing the amine absorbing solution that has absorbed the acidic gas to release the acidic gas, thereby regenerating the amine absorbing solution, and at the same time, recovering the released acidic gas; and an analysis step of calculating concentrations of iron ions and/or heavy metal ions in the amine absorbing solution.

Abstract: Provided are: a wet desulfurization apparatus 13 which removes sulfur oxides in flue gas 12A from a boiler 11; a mist collection/agglomeration apparatus 14 which is provided on a downstream side of the desulfurization apparatus 13 and forms agglomerated SO3 mist by causing particles of SO3 mist contained in flue gas 12B from the wet desulfurization apparatus 13 to be bonded together and have bloated particle sizes; a CO2 recovery apparatus 18 constituted by a CO2 absorption tower 16 having a CO2 absorption unit 16A which removes CO2 contained in flue gas 12D by being brought into contact with a CO2 absorbent and an absorbent regeneration tower 17 which recovers CO2 by releasing CO2 from the CO2 absorbent having absorbed CO2 and regenerates the CO2 absorbent; and a mist collection unit 16C which collects CO2 absorbent bloated mist bloated by the CO2 absorbent being absorbed by the agglomerated SO3 mist in the CO2 absorption unit 16A.

Abstract: A control system for a hybrid vehicle configured to start an engine promptly during propulsion in an electric vehicle mode. Electric power generation resulting from cranking the engine by a first motor is greater in the first electric vehicle mode compared to a second electric vehicle mode. A controller that is configured to determines whether an acceptable input power to an electric storage unit is smaller than a threshold value. If the acceptable input power to the electric storage unit is smaller than the threshold value, selection of the first electric vehicle mode is inhibited.

Abstract: A bandpass filter allows a light ray of a predetermined band including a wavelength band of a color of a laser beam, which is a target of detection, among light rays from a subject to pass therethrough. An imaging unit of a video camera captures the light ray passing through the bandpass filter. The controller analyzes a frequency for each brightness level of a video signal generated based on an imaging signal output from the imaging unit and detects a peak at which the frequency protrudes at a specific brightness level. The controller detects a trajectory of a straight light ray in a frame of the video signal. The controller detects that the laser beam is irradiated when the peak exists at a specific brightness level and the trajectory of the light ray exists in the frame.

Abstract: An image pickup apparatus according to an embodiment includes an image pickup unit configured to take an image including an object, a shooting condition control unit configured to control a shooting condition for the image pickup unit so that no blown out highlight occurs in a taken image taken by the image pickup unit, an object extraction unit configured to extract the object included in the taken image, a block-division unit configured to divide the taken image into a plurality of blocks according to the object extracted by the object extraction unit, a gamma correction unit configured to gamma-correct a gradation value of the taken image for each block by using a gamma value set for each block based on the object, and a boundary correction unit configured to correct the gradation value in a boundary area between adjoining blocks.

Abstract: An absorbing liquid which absorbs the CO2 or H2S or both contained in a gas, and which comprises 1) at least one tertiary-monoamine main agent selected from a tertiary-monoamine group and 2) at least one secondary-diamine first additive selected from a secondary-diamine group, the secondary-diamine concentration being within the range of 0.05 to 0.5 in terms of the additive concentration index represented by the following expression (I). (Additive concentration index)=[(secondary-diamine acid dissociation index) (pKa)/(tertiary-monoamine acid dissociation index) (pKa)] (index ratio)×[(secondary-diamine molar concentration) (mol/L)/(tertiary-monoamine molar concentration) (mol/L)] (molar ratio) (I).

Abstract: A CO2 recovery unit and a CO2 recovery method capable of having an excellent CO2 absorption rate and saving energy are provided. A CO2 recovery unit of the invention includes: a CO2 absorber which includes an upper CO2 absorption unit obtaining a CO2 absorbent by causing a flue gas containing CO2 to contact a CO2 absorbent and a lower CO2 absorption unit obtaining a CO2 absorbent by causing the CO2 absorbent to contact a flue gas containing CO2; a CO2 absorbent regenerator which obtains the CO2 absorbent by heating the CO2 absorbent a thermometer which measures a temperature of the CO2 absorbent supplied from the CO2 absorber to the CO2 absorbent regenerator; and a control device which controls a temperature of the CO2 absorbent supplied to the lower CO2 absorption unit based on the temperature of the CO2 absorbent measured by the thermometer.

Abstract: A CO2 recovery apparatus is provided with: a CO2 absorption tower for bringing exhaust gas into contact with a CO2 absorbing liquid and making the CO2 absorbing liquid absorb the CO2 contained in the exhaust gas; a CO2 absorbing liquid regeneration tower for heating the CO2 absorbing liquid with steam and releasing CO2 from the CO2 absorbing liquid and regenerating the CO2 absorbing liquid; a flowmeter for determining the flow rates of the exhaust gas introduced into the CO2 absorption tower; and a control unit for classifying the flow rates of the exhaust gas into multiple flow rate ranges, and controlling the flow rate of the CO2 absorbing liquid supplied to the CO2 absorption tower and the flow rate of steam supplied to the CO2 absorbing liquid regeneration tower on the basis of prescribed set load values which have been previously established in accordance with the multiple flow rate ranges.

Abstract: An image pickup apparatus according to an embodiment includes an image pickup unit configured to take an image including an object, a shooting condition control unit configured to control a shooting condition for the image pickup unit so that no blown out highlight occurs in a taken image taken by the image pickup unit, an object extraction unit configured to extract the object included in the taken image, a block-division unit configured to divide the taken image into a plurality of blocks according to the object extracted by the object extraction unit, a gamma correction unit configured to gamma-correct a gradation value of the taken image for each block by using a gamma value set for each block based on the object, and a boundary correction unit configured to correct the gradation value in a boundary area between adjoining blocks.

Abstract: Provided are: a wet desulfurization apparatus 13 which removes sulfur oxides in flue gas 12A from a boiler 11; a mist collection/agglomeration apparatus 14 which is provided on a downstream side of the desulfurization apparatus 13 and forms agglomerated SO3 mist by causing particles of SO3 mist contained in flue gas 12B from the wet desulfurization apparatus 13 to be bonded together and have bloated particle sizes; a CO2 recovery apparatus 18 constituted by a CO2 absorption tower 16 having a CO2 absorption unit 16A which removes CO2 contained in flue gas 12D by being brought into contact with a CO2 absorbent and an absorbent regeneration tower 17 which recovers CO2 by releasing CO2 from the CO2 absorbent having absorbed CO2 and regenerates the CO2 absorbent; and a mist collection unit 16C which collects CO2 absorbent bloated mist bloated by the CO2 absorbent being absorbed by the agglomerated SO3 mist in the CO2 absorption unit 16A.

Abstract: A wet desulfurization apparatus which removes sulfur oxides in flue gas from a boiler 11 includes a mist collection/agglomeration apparatus which is provided on a downstream side of the desulfurization apparatus and forms agglomerated SO3 mist by causing particles of SO3 mist contained in flue gas 12B from the wet desulfurization apparatus to be bonded together and have bloated particle sizes; a CO2 recovery apparatus constituted by a CO2 absorption tower having a CO2 absorption unit which removes CO2 contained in flue gas by being brought into contact with a CO2 absorbent and an absorbent regeneration tower which recovers CO2 by releasing CO2 from the CO2 absorbent having absorbed CO2 and regenerates the CO2 absorbent; and a mist collection unit which collects CO2 absorbent bloated mist bloated by the CO2 absorbent being absorbed by the agglomerated SO3 mist in the CO2 absorption unit.

Abstract: A reduction device, an acid gas recovery device, a recovery device collector, and a first removed substance returning line are provided. The reduction device is configured to perform a reduction process to turn iron oxide to reduced iron by adding a reducing agent. The acid gas recovery device is configured to recover CO2 being acid gas with CO2 absorbing liquid being acid gas absorbing liquid from exhaust gas containing at least powder-shaped iron-based solid substances and the acid gas, which are discharged from the reduction device. The recovery device collector is configured to collect the iron-based solid substance contained in the absorbing liquid with a filter. The iron-based solid substances collected by the recovery device collector are removed, and removed substances containing the removed iron-based solid substances are returned to the reduction device side through the first removed substance returning line.

Abstract: A nitrogen oxide absorbing unit, a nitrogen oxide absorbing liquid extraction line, a nitrogen oxide absorbing liquid heating/regenerating unit, a released gas line, and a regenerated liquid discharge line are provided. The nitrogen oxide absorbing unit is configured to absorb and remove nitrogen oxides in exhaust gas with nitrogen oxide absorbing liquid by introducing the exhaust gas containing nitrogen oxides and carbon dioxide. Through the nitrogen oxide absorbing liquid extraction line, the circulating nitrogen oxide absorbing liquid is extracted from a nitrogen oxide absorbing liquid circulation line. The nitrogen oxide absorbing liquid heating/regenerating unit is configured to obtain released gas containing at least nitrogen monoxide and carbon dioxide and nitrogen oxide absorbing liquid regenerated liquid by subjecting the nitrogen oxide absorbing liquid to heating and regeneration treatment.

Abstract: The composite amine absorbing solution according to the present invention absorbs CO2 or H2S or both in a gas, and is obtained by dissolving a linear monoamine, a diamine, and an amide group-containing compound in water. By adopting this composite amine absorbing solution, the composites are interacting in a composite manner, due to an integrated effect of the components, the absorption property of CO2 or H2S or both is favorable, the desorption properties of the CO2 or H2S absorbed when regenerating the absorbing solution become favorable, and the amount of steam from a reboiler used when regenerating the absorbing solution in a CO2 recovery device can be reduced.

Abstract: An absorption column is equipped with: a CO2 absorption section absorbing CO2 from CO2-containing exhaust gas using a lean solution; a main rinse section recovering an entrained CO2 absorbent using rinse water; a rinse water circulation line circulating a rinse water containing the CO2 absorbent recovered in a liquid storage section of the main rinse section; a pre-rinse section provided between the CO2 absorption section and the main rinse section; a rinse section extraction liquid supply line extracting a portion of the rinse water containing the CO2 absorbent from the rinse water circulation line, and introducing the same into a reflux section of an absorption liquid regeneration tower; and a refluxed water supply line extracting a portion of refluxed water, introducing the same as pre-rinse water for the pre-rinse section, and connected on the pre-rinse section side.

Abstract: An absorption column is equipped with: a CO2 absorption section absorbing CO2 from CO2-containing exhaust gas using a lean solution; a main rinse section recovering an entrained CO2 absorbent using rinse water; a rinse water circulation line circulating a rinse water containing the CO2 absorbent recovered in a liquid storage section of the main rinse section; a pre-rinse section provided between the CO2 absorption section and the main rinse section; a rinse section extraction liquid supply line extracting a portion of the rinse water containing the CO2 absorbent from the rinse water circulation line, and introducing the same into a reflux section of an absorption liquid regeneration tower; and a refluxed water supply line extracting a portion of refluxed water, introducing the same as pre-rinse water for the pre-rinse section, and connected on the pre-rinse section side.

Abstract: A reclaiming device that separates an absorption liquid from a coexisting material other than an absorbent includes: a gas-liquid separator that accepts the absorption liquid to be reclaimed together with water and separates the absorption liquid into a non-volatile material and a vaporized material; a first discharged liquid line that introduces a first discharged liquid discharged from the gas-liquid separator into the gas-liquid separator at a position below an absorption liquid introduction port; a first heater, disposed on the first discharged liquid line, that heats the first discharged liquid; a second discharged liquid line that introduces a second discharged liquid discharged from the gas-liquid separator into the gas-liquid separator at a position below a first discharged liquid introduction port; and a mixing tank, disposed on the second discharged liquid line, that mixes the second discharged liquid with an alkaline agent.

Abstract: A CO2 recovery device includes an advanced desulfurization-cooling column that removes sulfur oxides in an exhaust gas and reduces a temperature of the exhaust gas; a CO2 absorption column that removes CO2 in the exhaust gas by bringing the CO2 into contact with a CO2 absorption liquid; and a regeneration column that recovers the CO2 by causing the CO2 absorption liquid to release the CO2 while regenerating the CO2 absorption liquid, and feeds the regenerated CO2 absorption liquid to the CO2 absorption column, where the advanced desulfurization-cooling column includes a circulating line that supplies and circulates a desulfurization-cooling circulation liquid used in order to conduct desulfurization and cooling from a lower part to an upper part of the advanced desulfurization-cooling column, a deep SOx recovery packed bed, and a first cooler that cools the circulation liquid.

Abstract: Provided are a reclaimer 51 that introduces, through a branch line L11, and stores a part 17a of an absorbent 17 regenerated in a regenerator of a recovery unit that recovers CO2 or H2S in a gas, a first alkaline agent supply section 53A that supplies an alkaline agent 52 to the reclaimer 51, a heating section 54 that heats the absorbent 17 stored in the reclaimer 51 and to which the alkaline agent 52 has been mixed to obtain recovered vapor 61, a first vapor cooler 55A that cools the recovered vapor 61 discharged from the reclaimer 51 through a vapor line L12, a first gas-liquid separator 56A that separates a coexisting substance 62 entrained in the cooled recovered vapor 61 into a recovered absorption agent vapor (gas) 17b and the liquid coexisting substance 62 by gas-liquid separation, and an introduction line L13 that introduces the recovered absorption agent vapor 17b separated in the first gas-liquid separator 56A into a regenerator 20.

Abstract: An absorbent is prepared by dissolving in water 1) monoethanolamine (MEA) and 2) a primary amine represented by the following formula (1) and having high steric hindrance. Releasability of CO2 or H2S during regeneration of the absorbent is thereby improved, and the amount of water vapor used during regeneration of the absorbent in a facility for recovering CO2 or H2S can be reduced. R1 to R3: H or a hydrocarbon group having 1 to 3 carbon atoms, at least one of R1 to R3 being a hydrocarbon.