Industrial and anthropogenic activities caused water contamination with pollution such as heavy metals, drugs, dyes, organic compounds etc. In order to ensure effective water management and sustainability, wastewater must be treated before being released into the environment. Adsorption which is a very effective and economical method in wastewater treatment has also benefited from nanotechnology in recent years. Nanotechnology has come to the fore with its new applications in many fields such as medicine, biology, physics, chemistry and environment. The development of new methods in material synthesis has increased the performance of materials via better properties. One of these materials, nano zerovalent iron (nZVI) is a nanoscale reactive metal. The use of nZVI in wastewater treatment has presented some advantages due to its ease of production, good interaction with pollutants and economical production conditions. However, the tendency of these metals to be agglomerated due to their small size reduces the removal efficiency when they are used as an adsorbent in wastewater treatment. Bare nZVI particles exhibit unstable behaviours. To prevent this, nZVI particles are immobilized on a support material. Thus, nZVI-based nanomaterials not only carry the properties of both materials but also show a synergistic effect in removing pollutants by increasing water treatment performance. Examples of these support materials are bentonite, clay, biochar, graphene and activated carbon etc. Among them, clay-based support materials are synthesized by liquid-phase reduction mechanism and used in wastewater treatment efficiently. ORCID NO: 0000-0002-2852-6114
Anahtar Kelimeler: Nano zerovalent iron, clay, wastewater treatment, adsorption
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