PROBLEM TO BE SOLVED: To develop an apparatus capable of continuously and efficiently processing sonochemistry reaction.SOLUTION: An apparatus preferably performing sonochemistry reaction includes: a vibration body which is arranged in a liquid at least one part of which contains a reaction material and can vibrate at ≥10 kHz frequency and at an amplitude of ≥10 μm, a gas supplying means for supplying gas to the vibration body, and a flow passage for supplying gas from the gas supplying means into the liquid by passing through the inside of the vibration body.COPYRIGHT: (C)2013,JPO&INPIT【課題】音響化学反応を連続的かつ効率よく処理可能な装置を開発する。【解決手段】少なくとも一部が反応物質を含有する液体中に配置された周波数10kHz以上、振幅10μm以上の振動が可能な振動体と、前記振動体に気体を供給する気体供給手段と、前記気体供給手段から前記振動体の内部を通り前記液体中に気体を供給する流路を有することで、音響化学反応を好適に行なう装置を提供する。【選択図】図1