Abstract: Provided is a method for decomposing a flavonoid glycoside, wherein a flavonoid glycoside-containing raw material is hydrothermally treated to decompose a flavonoid glycoside into a flavonoid.

Abstract: Provided is a method for decomposing a flavonoid glycoside, wherein a flavonoid glycoside is decomposed into a flavonoid by heat-treating a flavonoid glycoside-containing raw material in the presence of an alcohol in a sealed container at a temperature exceeding the boiling point of the alcohol under atmospheric pressure.

Abstract: Provided is a method for decomposing a flavonoid glycoside, wherein a flavonoid glycoside-containing raw material is hydrothermally treated to decompose a flavonoid glycoside into a flavonoid.

Abstract: An object of the present invention is to provide an exhaust gas purification system which exhibits high exhaust gas purification performance. The present invention provides an exhaust gas purification system including: a carrier containing aluminum oxide; an exhaust gas purification device including a catalyst provided on the carrier and containing gallium, and connected to an internal combustion engine; and a system connected to the exhaust gas purification device for increasing an oxygen concentration. The system for increasing an oxygen concentration provides an oxygen concentration higher than that of a post combusted gas of the internal combustion engine.

Abstract: A carbon dioxide removal device 100 that include an adsorbent 1 and a reaction vessel 10 that have the adsorbent 1 installed therein, and that brings a gas to be treated containing carbon dioxide into contact with the adsorbent 1 and thereby removes carbon dioxide from the gas, in which the carbon dioxide removal device 100 further includes a water adjustment unit 20 that supplies water to the reaction vessel 10 and discharges water from the reaction vessel 10.

Abstract: An object of the present invention is to provide an exhaust gas purification system which exhibits high exhaust gas purification performance. The present invention provides an exhaust gas purification system including: a carrier containing aluminum oxide; an exhaust gas purification device including a catalyst provided on the carrier and containing gallium, and connected to an internal combustion engine; and a system connected to the exhaust gas purification device for increasing an oxygen concentration. The system for increasing an oxygen concentration provides an oxygen concentration higher than that of a post combusted gas of the internal combustion engine.

Abstract: Disclosed is a CO2 concentration reducing device for separating and removing CO2 from a gas containing CO2 with a CO2 adsorbent, the CO2 concentration reducing device including: an adsorbent container which contains the CO2 adsorbent; and a heating unit which heats the CO2 adsorbent by an induction heating or a dielectric heating. Thus, a ventilation quantity can be reduced when CO2 accumulated in a room is removed, and an electric power required for the ventilation and the electric power required for air conditioning can be reduced.

Abstract: Provided is an exhaust-gas treatment equipment including: a reaction container filled with a gas capture material that captures a particular gas component, the reactor container emitting gas obtained by removing the particular gas component from supplied gas by reaction of the supplied gas with the gas capture material; a temperature measuring element disposed in the reaction container, the temperature measuring element measuring a temperature of the gas capture material in the reaction container; a moving unit that freely moves the temperature measuring element in a direction that is parallel to a flow of the supplied gas flowing in the reaction container; and a control unit that estimates a deterioration state of the gas capture material using temperatures of the gas capture material at a plurality of different positions in the reaction container, the temperatures being measured by the temperature measuring element.

Abstract: To provide a novel power train system capable of improving fuel efficiency, reducing harmful components of an exhaust gas, and improving an output by adjusting a composition of a gas component of the exhaust gas in accordance with an operation condition. Therefore, provided is a power train system including a gas component separation unit (2) which extracts a plurality of gas components having different specific heat ratios from an exhaust gas of a spark ignition type internal combustion engine (1), a recirculation unit which recirculates the plurality of gas components to a combustion chamber of the internal combustion engine, and a ratio adjustment unit (3) which adjusts a ratio of the plurality of gas components recirculated to the combustion chamber in response to an operation state of the internal combustion engine. A composition of a gas recirculated to the internal combustion engine can be adjusted depending on various operation conditions.

Abstract: Provided is an air conditioner 100 used in a space R containing a gas having a concentration of carbon dioxide of 5000 ppm or less, the air conditioner 100 including a flow path 10 connected to the space R, in which a removal section 10c for removing carbon dioxide contained in the gas is disposed in the flow path 10, an adsorbent 80 containing cerium oxide is disposed in the removal section 10c, and the carbon dioxide adsorbs on the adsorbent 80 as the adsorbent 80 comes into contact with the gas.

Abstract: Provided is an adsorbent used for removing carbon dioxide from a gas containing carbon dioxide, the adsorbent containing cerium oxide and has a pore diameter having a differential pore volume of 0.0085 cm3/g-? or more in a region where a pore diameter is 7 ? or less in pore distribution measured by Horvath-Kawazoe method.

Abstract: Provided is an adsorbent used for removing carbon dioxide from a gas containing carbon dioxide, the adsorbent containing cerium oxide containing cerium and a metallic element (excluding cerium) having an electronegativity of 1.00 or more.

Abstract: Provided is a method for producing an adsorbent used for removing carbon dioxide from a gas containing carbon dioxide, the method including a firing step of firing a raw material containing at least one kind of cerium salt selected from the group consisting of a carbonate of cerium and a hydrogencarbonate of cerium.

Abstract: Provided is an adsorbent used for removing carbon dioxide from a gas comprising carbon dioxide, the adsorbent comprising a cerium oxide and having an average pore diameter of 50 nm or less, the average pore diameter measured by the BET method using argon gas as an adsorption gas.

Abstract: Provided is a method for producing an adsorbent used for removing carbon dioxide from a gas containing carbon dioxide, the method including a reaction step of reacting a mixture containing tetravalent cerium and at least one kind selected from the group consisting of urea, a urea derivative and an amide compound.

Abstract: Provided is an adsorbent used for removing carbon dioxide from a gas containing carbon dioxide, the adsorbent containing cerium oxide, in which a lattice constant of the cerium oxide is 0.5415 nm or more.

Abstract: A carbon dioxide separation/recovery device for separating and recovering carbon dioxide from a gas to be processed and containing nitrogen oxides and carbon dioxide by using a carbon dioxide scavenger, including a carbon dioxide trapping unit having the carbon dioxide scavenger, in which the carbon dioxide trapping unit includes: a gas flow inlet which introduces the gas to be processed; a heating unit of heating a scavenger heating gas used upon desorption of carbon dioxide trapped by the carbon dioxide scavenger to a predetermined temperature; a cooling gas introduction port which introduces a scavenger cooling gas used when cooling the carbon dioxide scavenger; and a moisture mixing part which adds moisture to a gas for nitrogen oxide desorption used in desorption of nitrogen oxides from the carbon dioxide scavenger.

Abstract: Provided is an exhaust-gas treatment equipment including: a reaction container filled with a gas capture material that captures a particular gas component, the reactor container emitting gas obtained by removing the particular gas component from supplied gas by reaction of the supplied gas with the gas capture material; a temperature measuring element disposed in the reaction container, the temperature measuring element measuring a temperature of the gas capture material in the reaction container; a moving unit that freely moves the temperature measuring element in a direction that is parallel to a flow of the supplied gas flowing in the reaction container; and a control unit that estimates a deterioration state of the gas capture material using temperatures of the gas capture material at a plurality of different positions in the reaction container, the temperatures being measured by the temperature measuring element.

Abstract: A CO2 removal device includes: a CO2 capturing material which captures H2O and CO2 in a gas; a reaction container which contains the CO2 capturing material; an H2O measuring unit for measuring the concentration of H2O in the gas; an H2O concentration adjustment device which adjusts the concentration of H2O on the basis of information obtained by the H2O measuring unit; a gas introduction path introducing the gas into the reaction container from the H2O concentration adjustment device and bringing the gas into contact with the CO2 capturing material; a first gas discharge path discharging the gas from the reaction container after the gas has been brought into contact with the CO2 capturing material; and a second gas discharge path discharging the gas that has been desorbed from the CO2 capturing material from the reaction container.

Abstract: To provide a novel power train system capable of improving fuel efficiency, reducing harmful components of an exhaust gas, and improving an output by adjusting a composition of a gas component of the exhaust gas in accordance with an operation condition. Therefore, provided is a power train system including a gas component separation unit (2) which extracts a plurality of gas components having different specific heat ratios from an exhaust gas of a spark ignition type internal combustion engine (1), a recirculation unit which recirculates the plurality of gas components to a combustion chamber of the internal combustion engine, and a ratio adjustment unit (3) which adjusts a ratio of the plurality of gas components recirculated to the combustion chamber in response to an operation state of the internal combustion engine. A composition of a gas recirculated to the internal combustion engine can be adjusted depending on various operation conditions.