能源經濟及策略、新及再生能源、火力、核能及核設施除役、原子科技及民生應用的專業資訊平台



Oxidative dissolution of cation ion exchange resin by the Fenton process using a fluidized bed reactor

出處 PROGRESS IN NUCLEAR ENERGY 作者 Chun-Ping Huang Meng-TsoTsai Yi-Jing Lia Yao-Hui Huang Tung-Yi Chung 年份 2020
報告類型 國際期刊 分類 |其他 資料時間 2020年7月

Wet oxidation processes such as Fenton and Fenton-like have been considered to treat radioactive ion exchange resins. This investigation demonstrates the oxidative dissolution of cation exchange resin beads by using a fluidized bed Fenton process. The cation exchange resin beads were firstly saturated with catalyst (Fe(II)) in the tubular reactor with a temperature control jacket, and then initiated the oxidation with injecting the H2O2 into the fluidized bed reactor. By means of adjusting a suitable amount of ferrous ions saturated on the cation IER, the reaction can be aimed on the IER destruction rather than homogeneous oxidation. The conversion of resins to gas and soluble fragments reached 91.6% under conditions of solid loading = 117.6 g/L, 25 mL H2O2 dosage (50 wt%), FeSO4 = 10 mM at 75 °C. The fluidized bed Fenton process is efficient and ready to control for the oxidation of cation exchange resin beads in heterogeneous catalysis.

 

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