To enable a crushing treatment, a hydrothermal treatment, and a sterilization treatment of biomass with a high efficiency without commingling of impurities and with reduced energy consumption.
A slurry of biomass discharged from a high-pressure pump 2 is pneumatic-transported continuously to a nozzle 5 while being heated by a heating device 6 provided between the nozzle 5 and the pump, by which the slurry of biomass is converted into a superspeed jet flow in the nozzle 5, the motion energy of the superspeed jet flow is utilized as atomization energy to crush the biomass in the slurry, for example, into an average particle size of 1 μm or less. In such a manner, by crushing the biomass in a high-pressure and high-temperature liquid environment, the crushing treatment, the hydrothermal treatment, and the sterilization treatment are carried out at the same time. Further, preferably the slurry of the biomass discharged from the nozzle 5 is cooled rapidly in a cooling system 7 to suppress a heating deterioration of an objective component contained in the biomass.
COPYRIGHT: (C)2010,JPO&INPIT
Masako Ito
Shinichi Umeda
Yoshida Machinery Industry Co., Ltd.
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