Recent advances in the preparation, application and end-of-life treatment of magnetic waste-derived catalysts for the pollutant oxidation degradation in water

[Display omitted] •The state-of-the-art synthetic strategies for different types of magnetic waste-derived catalysts (MWC) are summarized.•The property changes from waste, waste-derived catalysts to MWC are presented.•The activation performances, mechanism and the key parameter effect of MWC for oxidants are exhibited and discussed.•The end-of-life treatment for carbon-based catalysts is summarized and discussed.•Prospects for future researches in the field of MWC-based AOPs are highlighted.