Abstract

With growing concerns over clean environment and human health, water/wastewater treatment turns towards more restrictive objectives of water quality. In the past decade, a lot of research work has been focused on the water decontamination by magnetic assisted chemical separation (MACS) processes using iron oxide magnetic nanoparticles (MNPs) (mainly magnetite (Fe3O4) or maghemite (γ-Fe2O3)) as magnetic seeds. These particles are generally modified with various functional materials to increase their affinity or degradation capacity toward target compounds. In addition, these materials are relatively easy to be regenerated and recycled via magnetic separation, therefore are considered a great water purification media in practice. This paper offers a literature review of applications of these magnetic NMs in MACS processes for water/wastewater treatment.

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