To provide an ion generator for organic matter decomposition and an organic matter decomposition device which can further improve the decomposition ability of organic matter than before.SOLUTION: An ion generator 4 for organic matter decomposition comprises a needle electrode 12 and a plate electrode 13 that are arranged to face each other, and a DC power supply unit 9 that applies a positive DC voltage to the needle electrode 12. The DC power supply unit 9 includes a voltage control unit 10 that sets a DC voltage to a predetermined voltage value to generate a positive corona discharge between the needle electrode 12 and the plate electrode 13 in an atmospheric pressure.SELECTED DRAWING: Figure 2【課題】有機物の分解処理能力を、従来よりも一段と向上させることができる有機物分解処理用イオン生成装置及び有機物分解処理装置を提供する。【解決手段】有機物分解処理用イオン生成装置４は、対向配置された針電極１２及び平板電極１３と、正極性の直流電圧を針電極１２に印加する直流電源部９と、を備える。直流電源部９には、直流電圧を所定の電圧値に設定し、大気圧中で針電極１２及び平板電極１３の間に正極性コロナ放電を発生させる電圧制御部１０を有する。【選択図】図２
