PROBLEM TO BE SOLVED: To provide a fluid treatment device and a fluid treatment method capable of effectively conducting a sterilizing treatment of bacteria together with an oxidation degradation treatment of organic materials even when the organic materials and bacteria exist in a fluid to be treated.SOLUTION: There is provided a fluid treatment device 1 which has a reaction tank 10 having an ultraviolet emitting layer 22 with a luminophores 24 and 26 for emitting ultraviolet by microwave； and a microwave generation device 12, conducts a sterilizing treatment of bacteria together with an oxidation degradation treatment by circulating a fluid to be treated containing organic materials and bacteria in the reaction tank 10 while applying microwave generated by the microwave generation device 12 to the luminophores, both of an inner irradiation type where the fluid to be treated passes outside to the luminophor 24 and an outer irradiation type where the fluid to be treated passes inside to the luminophor 26 are used in the reaction tank 10.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】被処理流体中に有機物と細菌類とが混在する場合でも、有機物の酸化分解処理とともに細菌類の殺菌処理を効率的に行うことができる流体処理装置および流体処理方法を提供する。【解決手段】マイクロウェーブにより紫外線発光する発光体２４，２６を備える紫外線発光層２２を有する反応槽１０と、マイクロウェーブ発生装置１２と、を備え、マイクロウェーブ発生装置１２により発生させたマイクロウェーブを発光体に照射しながら、有機物と細菌類とを含む被処理流体を反応槽１０に流通させて、有機物の酸化分解処理とともに細菌類の殺菌処理を行う流体処理装置１であり、反応槽１０において、発光体２４に対して被処理流体が外側を通る内照式、および、発光体２６に対して被処理流体が内側を通る外照式の両方が使用されている。【選択図】図１
