过氧化氢湿法氧化 IRN78阴离子交换树脂的初步研究

Abstract

Abstract: The conditions of wet oxidation using hydrogen peroxide for nuclear grade IRN78 anion exchange resin were investigated. The pH of anion exchange resin was adjusted with sulfuric acid, and the catalytic effects of Fe²⁺, Cu²⁺, and Fe²⁺/Cu²⁺ on the H₂O₂-anion exchange resin system were compared. The results showed that the mole ratio of 1∶2 for mixed catalysts of Fe²⁺/Cu²⁺ had an excellent catalytic effect, with the degradation rate of IRN78 anion exchange resin up to 99.7%, and the efficiency of hydrogen peroxide up to 92.7%. It indicated that IRN78 anion exchange resin could be degraded effectively by wet oxidation using hydrogen peroxide.

Key words: anion exchange resin, wet oxidation, mineralization, volume reduction

CLC Number:

TL941

Jia Shaoqing, Feng Wendong, Li Xiaolong, Yang Qiaozhen, Guo Xiliang. A preliminary study on wet oxidation of IRN78 anion exchange resin with hydrogen peroxide[J].RADIATION PROTECTION, 2017, 37(3): 193-199.

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A preliminary study on wet oxidation of IRN78 anion exchange resin with hydrogen peroxide

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