PROBLEM TO BE SOLVED: To provide a method and apparatus for producing an oxidized compound, which allow easy detection of the end point of an oxidation reaction and rapid transition to the following step by: measuring the electric potential of a reaction fluid of an oxidation reaction for forming the oxidized compound by oxidation and determining the end point of the oxidation reaction on the basis of a predetermined decrease of the electric potential.SOLUTION: The apparatus for producing an oxidized compound comprises a reactor (1) for carrying out an oxidation reaction an oxidation-reduction potential detecting means (5) for detecting the value of the oxidation-reduction potential of the oxidation reaction fluid in the reactor and a determination means (6) for continuously monitoring the oxidation-reduction potential values detected by the oxidation-reduction potential detecting means and determining the time when the potential value reduced from the maximum potential of the oxidation-reduction potential reaches the predetermined potential value as the end point of the oxidation reaction. The apparatus can be suitably used for practicing the method at a commercial production level.COPYRIGHT: (C)2012,JPO&INPIT【課題】酸化反応により酸化化合物を生成する酸化反応液の電位を測定し、所定の電位低下に基づき、酸化反応の終了点を判定することを特徴とする、容易に酸化反応の終点を判別して、次工程への移行を速やかに行い得る酸化化合物の製造方法及び製造装置を提供する。【解決手段】酸化反応を行う反応機(1)と、該反応機中の酸化反応液の酸化還元電位の値を検出する酸化還元電位検出手段(5)と、該酸化還元電位検出手段により検出される酸化還元電位の検出値を常時監視して酸化還元電位の最高電位からの低下電位量が所定の電位量となった時点を酸化反応の終了点と判定する判定手段(6)とを有する、酸化化合物製造装置により、本発明方法を工業的生産レベルで実施できる。【選択図】図2
