| Enhanced Organic Pollutant Degradation via Peroxymonosulfate Activation Using Cobalt Doped Neodymium |
| Paper ID : 1071-ICBAS2024 |
| Authors |
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Asmaa A Roshdy *1, Abdelrahman M Rabie1, Alaa Saad Mostafa2 1Egyptian petroleum research institute 2ro, Egypt. b School of Chemical Engineering, Yeungnam University |
| Abstract |
| Degradation of organic pollutants has emerged as a worldwide concern in recent decades. Various methods have been explored to augment degradation effectiveness. Activation of peroxymonosulfate (PMS) has garnered significant attention in recent research. This investigation assessed the utilization of cobalt oxide doped with neodymium at varying Nd/Co molar ratios, activated through PMS. The impacts of catalyst quantity, PMS concentration, pH, and reaction temperature were gauged and examined. The cobalt oxide catalyst doped with neodymium displayed notable capability in degrading pollutants, culminating in the comprehensive degradation of methylene blue. The degradation mechanism integrated radical and nonradical processes, substantiated via experiments involving radical scavenging experiments. The central oxygen species behind degradation was singlet oxygen (1O2). The prepared catalyst exhibited remarkable stability, and mineralization, achieving full degradation efficiency. Nd/Co catalyst elucidates excellent catalytic performance while maintaining high stability up to 4 successive cycles and this backwards to synergistically effect between Nd and Co. Furthermore, provides an easy way to prepare a variety of bimetals, and it is easily scalable with significant potential in catalytic applications. |
| Keywords |
| PMS activation; Nd-doped cobalt monoxide; radical/non-radical mechanism; singlet oxygen; pollutant degradation |
| Status: Accepted |