With the development of industry and agriculture, the
increasingly
serious problems of environmental pollution and water quality deterioration
that affect human health need to be solved. Materials containing both
Fe and Mn, the two most abundant metal elements, have been widely
used for wastewater decontamination since they are nontoxic, low-cost,
easy to prepare, and highly efficient. This review systematically
summarizes the synthesis methods of Fe–Mn-based unloaded materials
(such as spinel-type, perovskite-type, layered double hydroxides,
metal–organic framework, and its derivatives) and loaded materials
(carbon materials, oxides, and other loaded materials). Furthermore,
the progress and problems of the application of Fe–Mn-based
materials in the fields of Fenton, photo-Fenton, electro-Fenton, persulfate,
and sulfite catalysis processes are analyzed. Different activation
mechanisms of Fe–Mn-based materials, such as radical pathways
and nonradical pathways (like direct electron transfer pathways, singlet
oxygen, and high valence metals, etc.) are described. Finally, the
application potential of Fe–Mn-based materials in environmental
remediation is clarified and the future research directions are pointed
out. It is expected that this review can provide new inspiration for
subsequent research on the application of Fe–Mn based materials
for wastewater treatment.
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