Abstract: Provided is a culture device, including: a culture tank (110) configured to store an object liquid that is a culture solution having suspended therein an object; a screen (210) made of a metal, the screen including a main body (212) and a plurality of through holes (214) passing through the main body from a front surface (212a) thereof to a back surface (212b) thereof; a spray portion (220) configured to spray the object liquid stored in the culture tank onto the front surface of the body; an accommodation portion (240) surrounding the back surface of the main body and configured to accommodate the culture solution having passed through the through holes; a UV light irradiation portion (250) arranged in the accommodation portion and configured to radiate UV light; and a return portion (290) configured to return the culture solution in the accommodation portion to the culture tank.

Abstract: The present disclosure is an algae separating device configured to separate algae from an algal solution in which algae are suspended. The algae separating device includes: a metal screen having a main body and a plurality of through holes passing through the main body from a front face to a back face; and a spraying device configured to spray the algal solution toward the front face of the main body.

Abstract: Provided is a culture device, including: a culture tank (110) configured to store an object liquid that is a culture solution having suspended therein an object; a screen (210) made of a metal, the screen including a main body (212) and a plurality of through holes (slits (214)) passing through the main body (212) from a front surface (212a) thereof to a back surface (212b) thereof; a spray portion (220) configured to spray the object liquid stored in the culture tank onto the front surface of the main body (212); an accommodation portion (240) surrounding the back surface (212b) of the main body (212) and configured to accommodate the culture solution having passed through the through holes; a UV light irradiation portion (250) arranged in the accommodation portion (240) and configured to radiate UV light; and a return portion (290) configured to return the culture solution in the accommodation portion (240) to the culture tank.

Abstract: The present disclosure is an algae separating device configured to separate algae from an algal solution in which algae are suspended. The algae separating device includes: a metal screen having a main body and a plurality of through holes passing through the main body from a front face to a back face; and a spraying device configured to spray the algal solution toward the front face of the main body.

Abstract: A fermentation apparatus (A) of the present invention comprising: an enzymatic reactor (4) for degrading cellulose using a diastatic enzyme, and a first catalytic reactor (5) for degrading the degradation product produced by the enzymatic reactor (4) into glucose, using a solid acid catalyst (X). According to this fermentation apparatus (A), saccharification treatment of cellulose can be performed while reducing diastatic enzyme costs.

Abstract: A biomass treatment device (A) includes a hot compressed water reaction device (1) that hydrolyzes a biomass by passing hot compressed water to the biomass to prepare polysaccharides, and a solid-acid catalytic reaction device (2 and 3) that generates monosaccharides from the polysaccharides using a solid-acid catalyst, and the device includes at least one of a first heat exchanger (1b and 1b?) for heating the hot compressed water by the heat of a monosaccharide solution including the monosaccharides delivered from the solid-acid-catalytic reaction device and a second heat exchanger (1c) for heating the hot compressed water by the heat of a polysaccharide solution including the polysaccharides introduced into the solid-acid-catalytic reaction device from the hot compressed water reaction device. According to the biomass treatment device, it is possible to improve the energy efficiency more than the related art.

Abstract: A biomass treatment apparatus (A) is constituted by a pressurized hot water reaction apparatus (1) in which pressurized hot water is used, biomass is hydrolyzed under first reaction conditions that provide for decomposition of hemicellulose so as to generate a first polysaccharide solution including xylooligosaccharides, and then the biomass is hydrolyzed under second reaction conditions that provide for decomposition of cellulose to generate a second polysaccharide solution including cellooligosaccharides, a first catalysis apparatus (2) in which the first polysaccharide solution that flows out from the pressurized hot water reaction apparatus (1) is hydrolyzed using a solid acid catalyst so as to generate a first monosaccharide solution including xylose, and a second catalysis apparatus (3) in which the second polysaccharide solution that flows out from the pressurized hot water reaction apparatus (1) is hydrolyzed using a solid acid catalyst so as to generate a second monosaccharide solution including gluc