| 摘要 |
PURPOSE: A device for preparing gas-dissolved water using supercritical state is provided to increase the solubility of a gas in a solvent, utilization efficiency of ozone, to reduce the time needed for oxidization, and to save the costs needed for managing and repairing the device. CONSTITUTION: The pressure-dependent device for preparing water containing ozone or a gas dissolved therein comprises: a time retention tank(24) having a supercritical tube; a pressurization tank(25) having a mixture-supplying part and a mixture-discharging part and maintained under a pressure higher than that of the time retention tank(24); and a second pressure pump for pressurizing the supercritical fluid supplied to the pressurization tank(25) to transfer the fluid to the mixture-supplying part. In the device, the fluid supplied to the supercritical tube is transferred to the time retention tank(24) through a mixing ejector and a mixer, the fluid flows through the supercritical tube, and the fluid supplied to the mixture-supplying part is discharged from the mixture-discharging part by pressure.
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