Sonodegradation of amitriptyline and ibuprofen in the presence of Ti3C2Tx MXene

Minjung Jeon, Byung Moon Jun, Sewoon Kim, Jaeweon Cho, Chang Min Park, Choe Earn Choong, Min Jang, Yeomin Yoon

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This study, which investigated the sonodegradation of selected pharmaceutical active compounds (PhACs) (amitriptyline (AMT) and ibuprofen (IBP)) with MXene, was carried out in an aqueous solution. To investigate the practicality of the degradation process, the experiments were conducted in various water quality conditions, including pH, temperature, natural organic matter, and ionic strength. Based on the experimental results, the produced hydrogen peroxide, which could be a representative of the produced OH radicals, was a vital factor that affected the degradation performance of both PhACs. To confirm the importance of OH radicals, the effect of a OH radical promoter (H2O2) and scavenger (t-BuOH) was also studied. In addition, the synergism between ultrasonication (US) and MXene was evaluated with the rate constants of US only, MXene only, and a US/MXene combined system. Mineralization of the PhACs was also investigated, and removal of AMT was higher than that of IBP, which could be attributed to the physicochemical properties of the compounds and enhanced adsorption by the well-dispersed MXene. Overall, utilization of MXene by means of ultrasonication could enhance the removal performance of PhACs in water.

Original languageEnglish
Article number100028
JournalJournal of Hazardous Materials Letters
StatePublished - Nov 2021

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  • Adsorption
  • Pharmaceuticals
  • Sonodegradation
  • TiCT MXene
  • Water treatment


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