Department of Architectural and Environmental Engineering Huaide College Changzhou University Taizhou 214500 China;
School of Environmental & Safety Engineering Changzhou 213164 China;
School of Environmental & Safety Engineering Changzhou 213164 China;
School of Environmental & Safety Engineering Changzhou 213164 China;
Pig manure; Metal-loaded biochar; Hydrogen peroxide; Catalytic oxidation; Pig farm wastewater;