“…Further, the advantages of magnetic nanocomposites are (i) magnetic and non-magnetic composites can be synthesized by loading magnetic nanoferrites with tunable semiconductors; (ii) enhanced reutilization possibilities; (iii) secondary pollutions due to unsafe disposal of nanocatalysts can be prevented and (iv) reduces the capital investment required for nanocatalysts preparation [13][14][15][16][17]. Among various metal/ metal oxide nanoparticles investigated in the field of environmental research, Ni and NiO x nanoparticles predominantly contributes for degradation of various environmental contaminants [18][19][20]. To further progress the efficacy of nickel based nanocatalysts, Ni and NiO x were combined with other transition metals/metal oxides which in-turn produced magnetic nanocomposites [21][22][23].…”