To provide an ultrasonic separation apparatus for a solution capable of simply and easily exchanging a large number of ultrasonic vibrators, and moreover, efficiently exchanging them without water leakage.

This ultrasonic separation apparatus for the solution is provided with an ultrasonic atomizing chamber 4 into which the solution with a specified substance of a property of migrating to the surface and becoming excessive on the surface is supplied, the ultrasonic vibrators 2 which ultrasonically vibrate the solution in the ultrasonic atomizing chamber 4 and atomize the solution into mist, an ultrasonic electrical source 3 which supplies a high-frequency power to the ultrasonic vibrators 2 and causes ultrasonic vibrations, and a recovery chamber 5 which condenses the mist atomized by the ultrasonic vibrators 2 and recovers the same. The ultrasonic separation apparatus for the solution recovers the mist atomized in the ultrasonic atomizing chamber 4 into the recovery chamber 5 and separates the specified substance from the solution. The ultrasonic separation apparatus is constituted so that a plurality of the ultrasonic vibrators 2 are fixed to desorption plates 12 while maintaining a waterproof structure, the desorption plates 12 are mounted on a casing 13 of the ultrasonic atomizing chamber 4 so as to make it possible to detach the desorption plates 12 while maintaining the waterproof structure and the respective ultrasonic vibrators 2 ultrasonically vibrate the solution of the ultrasonic atomizing chamber 4.

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