| 摘要 |
The present invention is for dissolving a metal complex and a low-pressure additive gas in a supercritical fluid and supplying the same continuously to a reaction vessel, aiming to provide a method and an apparatus for adding a low-pressure gas to a high-pressure supercritical fluid continuously, so that a gas which should be handled with care, such as a combustible gas, can be added to a supercritical fluid without compression. The method for continuously adding a low-pressure gas to a supercritical fluid comprises supplying a reactant gas to a supercritical fluid or a subcritical fluid by repeating, in an alternate manner, a step of storing a reactant gas midway through a piping in a low-pressure state and a step of carrying the reactant gas toward a reaction vessel with the supercritical fluid or the subcritical fluid, so that the reactant gas is continuously charged in the reaction vessel.
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