Utilization of Stable and Efficient High‐Entropy (Ni 0.2 Zn 0.2 Mg 0.2 Cu 0.2 Co 0.2 )Al 2 O 4 Catalyst with Polyvalent Transition Metals to Boost Peroxymonosulfate Activation toward Pollutant Degradation

Abstract A polyacrylamide gel method has been used to synthesize a variety of polyvalent‐transition‐metal‐doped Ni position of high entropy spinel oxides (Ni 0.2 Zn 0.2 Mg 0.2 Cu 0.2 Co 0.2 )Al 2 O 4 ‐800 °C (A 2 ) on the basis of NiAl 2 O 4 , and the catalytic activity of A 2 is studied under the synergistic action of peroxymonosulfate (PMS) activation and simulated sunlight. The A 2 containing polyvalent transition metals (Ni 2+ , Cu 2+ , and Co 2+ ) can effectively activate PMS and efficiently degrade levofloxacin (LEV) and tetracycline hydrochloride (TCH) under simulated sunlight irradiation. After 90 min of light exposure, the degradation percentages of LEV (50 mg L −1 ) and TCH (100 mg L −1 ) degrade by…

• NN
  National Natural Science Foundation of China

  Award: 12075215
• CT
  Chongqing Three Gorges University

  Award: XYJG202304