2022 Fall Meeting
Sep 7 - Sep 9, 2022Ibaraki University Hitachi Campus
2022 Fall Meeting
Sep 7 - Sep 9, 2022Ibaraki University Hitachi Campus
[1A09]A study for decomposition and recycle of used impregnation adsorbents generated in MA separation recovery process
*Go Shinoda1, Tsuyosi Arai1, Kenta Ishizawa1(1. Shibaura Inst. of Tech.)
Keywords:
Extraction chromatography,TEHDGA,recycle of adosorbent,Fenton method,recycle
The degradation of used TEHDGA impregnated adsorbent using the Fenton method was investigated, and it was confirmed that the decomposition of TEHDGA impregnated adsorbent was strongly dependent on the injection rate of hydrogen peroxide water and the solid-liquid ratio of iron nitrate solution to TEHDGA impregnated adsorbent. It was also shown that the adsorbent can be regenerated by re-impregnation after Fenton treatment.