An easily recyclable Co/SBA-15 catalyst: Heterogeneous activation of peroxymonosulfate for the degradation of phenol in water

▶ The 10 wt%Co/SBA-15 calcined at 400 °C for 5 h has the best performance. ▶ The formation of Co-O-Si species during the calcination inhibits Co leaching. ▶ High PMS dosage and low initial phenol concentration improve the degradation effect. ▶ The Co/SBA-15 powder wrapped with PTFE membranes exhibits excellent operational stability. ▶ High TOC reduction nearly 100% is achieved.