Abstract
Marigold flower-like CoMo layered double hydroxide (LDH) was decorated on biochar derived from cow manure (CoMo@BC) to act as an efficient activator for peroxymonosulfate (PMS), enabling the degradation of Bisphenol A (BPA) in water. The CoMo@BC/PMS system can eliminate up to 98% of BPA at a concentration of 0.044mM within 15min. High efficacy is sustained in the pH range of 5 to 9, underscoring the robustness and adaptability of the system. Furthermore, the catalyst exhibits excellent stability, retaining activity over five consecutive cycles. Versatility is highlighted by the capability to degrade over 88% of various organic pollutants, indicating broad-spectrum applicability in water treatment. A comprehensive mechanistic study has elucidated three distinct degradation pathways and identified six intermediates of BPA, providing valuable insights into the catalytic process. Overall, the research underscores the potential of CoMo@BC as a highly effective catalyst for advanced water treatment applications through PMS activation. Significant efficacy in eliminating organic pollutants suggests great promise for enhancing the sustainability and efficiency of water purification technologies.
Published Version
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