Insights into biochar supported atomically dispersed cobalt as an efficient peroxymonosulfate activator for sulfamethoxazole degradation: robust performance, ROS and surface electron-transfer pathways

Atomically dispersed catalysts, owing to utmost atomic utilization, have gained widespread interest in SR-AOPs, and yet, tremendous challenges remain in the facile synthesis of efficient, robust, and sustainable catalysts for persulfate activation.