Abstract: Provided is a method for cleaning an arbitrary fluid channel in a fluid flow device including a channel-forming body forming a plurality of fluid channels, a first header, and a second header. The method includes opening a cleaning-target channel included in the plurality of fluid channels and closing a non-cleaning-target channel which is the other fluid channel; and supplying a cleaning liquid to a cleaning-liquid supply header selected from the first header and the second header in a state where the non-cleaning-target channel is closed to cause the cleaning liquid to flow only through the cleaning-target channel.

Abstract: A gas supply system—includes a compressor unit, an accumulator unit, a pre-cooling system and a housing. In the gas supply system, the compressor unit is vertically arranged and the pre-cooling system is arranged above the accumulator unit in the housing. The compressor unit and the accumulator unit are covered by one rectangular parallelepiped housing.

Abstract: Provided is a fluid flow device having high freedom of choosing means for detecting flow errors. The fluid flow device includes a channel forming body. The channel forming body forms a plurality of fluid channels, a plurality of detection spaces corresponding to the fluid channels, respectively, and a plurality of communication channels providing respective communications between the fluid channels and the detection spaces corresponding thereto, respectively. Each of the detection spaces contains a detection fluid and a detection gas aligned in a longitudinal direction thereof, and an interface is formed therebetween. The detection gas is contained in the detection space so as to allow the position of the interface to be changed with the pressure change of a processing object fluid that flows through the fluid channels.

Abstract: A liquid-liquid contact device includes: an internal casing surrounding an inner chamber for providing countercurrent contact between a light liquid and a heavy liquid; an external casing surrounding the internal casing so as to form an outer chamber around the internal casing; a light liquid introduction tube guiding the light liquid to the inner chamber; and a heavy liquid introduction tube guiding the heavy liquid to the inner chamber. The internal casing has an upper opening and a lower opening which opens at a location below the upper opening. The external casing has a heavy liquid discharge outlet through which the heavy liquid is allowed to be discharged from the outer chamber, and a light liquid discharge outlet which is disposed above the heavy liquid discharge outlet and through which the light liquid is allowed to be discharged from the outer chamber.

Abstract: A gas transfer processing method includes: transferring gas to an inside or an outside of an absorption liquid within respective processing flow paths while circulating the absorption liquid through the respective processing flow paths; after the gas transferring, separating a mixed fluid including the absorption liquid discharged from outlets of the respective processing flow paths and gas by respective separation headers into the absorption liquid and the gas; and circulating the absorption liquid separated in the separating by returning the separated absorption liquid from the separation headers to inlets of the respective processing flow paths through respective recirculation lines, thus introducing the absorption liquid to the respective processing flow paths. The process promotes transfer of a target component to an absorption liquid, while enabling execution of a component transfer process by compact equipment.

Abstract: A separation method including: preparing a separation device including an absorption processor absorbing into an absorption liquid a target component in a fluid to be processed, by an absorption microduct and a cooling medium microduct positioned for heat exchange; causing the fluid to be processed and the absorption liquid to pass through the absorption microduct in mutual contact, thus causing the target component to be absorbed into the absorption liquid from the fluid to be processed; cooling the fluid to be processed and the absorption liquid by flowing a cooling medium through the cooling medium microduct, and causing heat exchange between the fluid to be processed and absorption liquid flowing through the absorption microduct and the cooling medium; and separating, into the fluid to be processed and the absorption liquid, the mixed fluid of the fluid to be processed after the target component has been absorbed by the absorption liquid.

Abstract: An extraction and separation method separating a specific component from a raw material fluid using an extraction device including plural stages of extraction units connected sequentially. The extraction and separation method includes: extracting the specific component into an extraction solvent having a difference in specific gravity with respect to that raw material fluid from the raw material fluid while causing the raw material fluid and the extraction solvent to flow in a state of contact with each other in the extraction units for each stage; introducing at least part of the fluid discharged from an extraction unit to the next stage extraction unit in a state wherein the raw material fluid and the extraction solvent are mixed; and a final separation separating the raw material fluid, after the specific component has been extracted in the fluid discharged from the extraction unit in a final stage, and the extraction solvent that has extracted the specific component.

Abstract: An extracting method includes: an extracting step of extracting a specific component from a material fluid to an extraction agent while allowing the material fluid and the extraction agent to flow in a channel of the extraction unit for each stage; an outflowing step of outflowing a mixture fluid from the channel of the extraction unit for each stage before the extraction of the specific component reaches an extraction equilibrium; and a pH regulating step of regulating the pH of the material fluid separated in a separating step after flowing out of the channel of the extraction unit for a predetermined stage so as to cause a reverse change from a change caused in the pH of the material fluid in the extracting step, before the material fluid is introduced into the channel of the extraction unit for a stage succeeding to the predetermined stage.

Abstract: A separation method including: an absorption process absorbing a desired component in a starting material gas into an absorption liquid by bringing the starting material gas and the absorption liquid into contact with each other inside an absorption unit; a regeneration process releasing the desired component from the absorption liquid and regenerating the absorption liquid by heating the absorption liquid, which absorbed the desired component in the absorption process, in a regeneration unit; a post-regeneration separation process separating the mixed fluid, which is the gas of the desired component released in the regeneration process and the regenerated absorption liquid, into the desired component gas and the absorption liquid; and a compression process compressing the starting material gas prior to the absorption process and the regeneration process.

Abstract: A flow path device has at least one channel. The channel has a main channel which allows flow of a continuous phase liquid, and an auxiliary channel which is connected to a predetermined portion of the main channel. The flow path device has an inner wall surface which encloses the main channel. The main channel has a connecting port formed in the inner wall surface and communicated with the auxiliary channel, and the inner wall surface has an enlarged surface provided at a position on a downstream side of the connecting port, and the enlarged surface spreads to outside of the main channel so as to promote removal of the dispersed phase liquid from the inner wall surface, the dispersed phase liquid being adhered to the inner wall surface in consequence of flowing from the auxiliary channel into the main channel through the connecting port.

Abstract: A heat exchanger including a stacking block, including: a first plate surface; a second plate surface opposite to the first plate surface; and first and second flow path plates including respective plural first and second through holes that have a standard shape. The first through holes are arranged to line up in a standard array pattern in a first direction in which a first flow path causes a first fluid to flow. The second through holes are arranged in the first direction in the same standard array pattern as the first through holes. Each of the first through holes have an area with a same overlap with the second through holes positioned on both sides of the first through holes, in the first direction. The first flow path is formed by the first and second through holes being mutually joined in the first direction, in the areas of overlap.

Abstract: A liquid-liquid contact device includes: an internal casing surrounding an inner chamber for providing countercurrent contact between a light liquid and a heavy liquid; an external casing surrounding the internal casing so as to form an outer chamber around the internal casing; a light liquid introduction tube guiding the light liquid to the inner chamber; and a heavy liquid introduction tube guiding the heavy liquid to the inner chamber. The internal casing has an upper opening and a lower opening which opens at a location below the upper opening. The external casing has a heavy liquid discharge outlet through which the heavy liquid is allowed to be discharged from the outer chamber, and a light liquid discharge outlet which is disposed above the heavy liquid discharge outlet and through which the light liquid is allowed to be discharged from the outer chamber.

Abstract: A gas supply system (2) includes a compressor unit (21), an accumulator unit (23), a pre-cooling system (24) and a housing (4). In the gas supply system (2), the compressor unit (21) is vertically arranged and the pre-cooling system (24) is arranged above the accumulator unit (23) in the housing (4). The compressor unit (21) and the accumulator unit (23) are covered by one rectangular parallelepiped housing (4).

Abstract: Provided is a fluid circulation device capable of preventing that efficiency of a treatment by a fluid circulation is significantly lowered, even in a case where a blockage has occurred in a micro-channel, to prevent lowering of an operating rate. The fluid circulation device 1 is provided with a structure body 2 comprising: a plural number of second flow passages 22 extended in a direction, and at the same time, arranged so as to be lined up in a direction intersecting the direction, each for circulating a second fluid; and introduction part-communicating parts 75, first to third communicating parts 78, 79 and 80 for linking second flow passages 22 adjacent to each other in the arrangement direction of the plural number of second flow passages 22 to allow communicating with each other; formed therein.

Abstract: A release device for releasing a specific gas component from a rich absorption liquid which is an absorption liquid containing the specific gas component absorbed therein, the release device including a channel structure internally having a release channel which is connected to a rich absorption liquid supply unit so as to receive the rich absorption liquid supplied from the rich absorption liquid supply unit and connected to a liberating agent supply unit so as to receive a liberating agent supplied from the liberating agent supply unit, the liberating agent having a boiling point lower than a boiling point of the rich absorption liquid and being incompatible with the rich absorption liquid. The release channel is a microchannel configured to guide the received rich absorption liquid so that the received rich absorption liquid releases the specific gas component while flowing.

Abstract: An absorption method includes: a step for preparing a minute passage; a main circulation step for circulating, in the minute passage, a gas as a first fluid containing a component to be absorbed and an absorbing liquid as a second fluid so that the component to be absorbed is absorbed from the gas into the absorbing liquid; and a sub-circulation step for circulating, while the gas and the absorbing liquid are circulated in the minute passage, a third fluid in the minute passage in order to raise the pressure inside the minute passage.

Abstract: Disclosed is a method for producing a catalyst, wherein the method comprises: a supplying step of supplying a dispersion containing a palladium-containing fine particle from a supplying part into a reaction container; a preparing step of preparing a copper-palladium-containing complex in which at least part of a surface of the palladium-containing fine particle is covered with copper, by passing the dispersion through a reacting part and bringing the palladium-containing fine particle in the dispersion into contact with a copper-containing member in the reacting part; and a substituting step of substituting the copper in the copper-palladium-containing complex emitted from an emitting part with platinum by bringing the complex into contact with a platinum-containing solution.

Abstract: Provided is a hydrogen production apparatus enabling reduction of energy needed for separation and collection of CO2 in the hydrogen production. The hydrogen production apparatus includes a reformer, a heating device heating the reformer, a transformer, a hydrogen separation device separating and taking out hydrogen from transformed gas, a CO2 separation device separating and taking out CO2 from off-gas from which hydrogen was separated by the hydrogen separation device, a heat collecting device collecting heat of the reformed gas, heat of the transformed gas, and waste heat from the heating device, and a heat medium supply device supplying the heat medium having absorbed heat collected by the heat collecting device to the CO2 separation device. The absorption liquid having absorbed CO2 in off-gas is heated by the heat medium heated with collected heat, thereby releasing CO2.

Abstract: Provided is a method of mixing first and second liquids having mutual solubility inside a mixing flow channel formed by a micro flow channel. This method includes: causing the first and second liquids to be joined to each other inside the mixing flow channel; and forming a slug flow, in which mixing subject cells (60) formed by the joined liquid and insoluble fluid cells (63) formed by an insoluble fluid are alternately arranged, inside a flow channel at the downstream side of an insoluble fluid supply position in a manner such that the insoluble fluid having insolubility with respect to both mixing subject liquids is supplied to the joined liquid flowing through the flow channel in a direction intersecting the flow channel so that the joined liquid is divided with a gap therebetween, thereby mixing the first mixing subject liquid and the second mixing subject liquid contained in each mixing subject cell inside the downstream flow channel.

Abstract: A stacked type fluid heater includes a first low temperature layer with low temperature side flow passages into which target medium to be heated is introduced, a first high temperature layer with high temperature side flow passages into which heating medium for heating the target medium to be heated is introduced, a second high temperature layer with high temperature side flow passages into which the heating medium is introduced. The target medium has a temperature lower than the freezing point of the heating medium. The first high temperature layer includes the high temperature side flow passages located adjacent each other via a metal material of the first high temperature layer. The high temperature side flow passages of the first high temperature layer and those of the second high temperature layer are adjacent each other via a metal material of the second high temperature layer.