All humans and animals need access to clean water in their daily lives. Unfortunately, we are facing water scarcity in several places around the world, and, intentionally or unintentionally, we are contaminating the water in a number of ways. The rise in population, globalization, and industrialization has simultaneously given rise to the generation of wastewater. The pollutants in wastewater, such as organic contaminants, heavy metals, agrochemicals, radioactive pollutants, etc., can cause various ailments as well as environmental damage. In addition to the existing pollutants, a number of new pollutants are now being produced by developing industries. To address this issue, we require some emerging tools and materials to remove effluents from wastewater. Zeolites are the porous aluminosilicates that have been used for the effective pollutant removal for a long time owing to their extraordinary adsorption and ion-exchange properties, which make them available for the removal of a variety of contaminants. However, zeolite alone shows much less photocatalytic efficiency, therefore, different photoactive materials are being doped with zeolites to enhance their photocatalytic efficiency. The fabrication of zeolite-based composites is emerging due to their powerful results as adsorbents, ion-exchangers, and additional benefits as good photocatalysts. This review highlights the types, synthesis and removal mechanisms of zeolite-based materials for wastewater treatment with the basic knowledge about zeolites and wastewater along with the research gaps, which gives a quality background of worldwide research on this topic for future developments.
Photocatalysis is considered to be the most efficient treatment as compared to the other methods and is suitable for highly cost-sensitivity and energy-restrictive applications. In this research, first, we synthesized ZSM-5 and iron oxide magnetic nanoparticles, and ZSM-5/iron oxide nanocomposites and reported their application for the photodegradation of methylene blue. This research will be published in two communications part I synthesis and characterization and part II photodegradation of methylene blue. In part 1, ZSM-5 was synthesized by hydrothermal method and magnetic nanoparticles Fe3O4 were synthesized by chemical co-precipitation. Then, the versatile ZSM-5/Fe3O4 magnetic nanocomposite was synthesized by in situ method and tested for its efficacy to degrade methylene blue using photocatalysis. This paper specifically reports the varying ratios of ZSM-5 and Fe3O4 in the nanocomposites that are 1:1, 1:2 and 1:0.5 and as the concentration of Fe3O4 varied, the properties of the nanocomposites changed as well. The physical and chemical properties of the three nanocomposites were studied thoroughly. Further, these nanocomposites were characterized by Field emission scanning electron microscope (FESEM), X-ray diffraction MOL2NET, 2022, 7,
Photocatalysis is considered to be the most efficient treatment as compared to the other methods and is suitable for highly cost-sensitivity and energy-restrictive applications. In this research, ZSM-5 and iron oxide magnetic nanoparticles were synthesised, followed by reporting their applications. We are going to publish it into related communications. In part 1, we synthesized ZSM-5 by hydrothermal method and magnetic nanoparticles of Fe3O4 using chemical coprecipitation. Then, the versatile ZSM-5/Fe3O4 magnetic nanocomposite was synthesised by in situ method and tested for its efficacy to degrade methylene blue using photocatalysis. This paper specifically reports the varying ratios of ZSM-5 and Fe3O4 in the nanocomposites that are 1:1, 1:2 and 1:0.5 and as the concentration of Fe3O4 varied, the properties of the nanocomposites changed as well. The physical and chemical properties of the three nanocomposites were studied thoroughly. Further, these nanocomposites were characterized by Field emission scanning electron microscope (FESEM), X-ray diffraction (XRD) and Fouriertransform infrared (FT-IR).
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