<；P>；PROBLEM TO BE SOLVED: To provide a nano-order particle manufacturing apparatus capable of taking out nano-order particles dispersed in water without flocculating or solidifying them. <；P>；SOLUTION: The nano-order particle manufacturing apparatus has a container capable of heated and pressurized internally, a carbon dioxide supply means for supplying carbon dioxide into the container, a dispersoid component supply means for dissolving carbon dioxide in a supercritical state in the container and supplying a dispersoid component which forms particles dispersible in water, a water supply means for supplying water in the container and a recovery means for holding an underwater particle dispersion, which is prepared by mixing carbon dioxide formed in a supercritical state within the container with the dispersoid component and adding water to the resulting mixture to disperse the nano-order dispersoid particles in water, to the outside of the container while holding the temperature to 40-90°；C. <；P>；COPYRIGHT: (C)2008,JPO&INPIT
