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Pillared Interlayered Clays for Pollution Remediation

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Green Adsorbents for Pollutant Removal

Part of the book series: Environmental Chemistry for a Sustainable World ((ECSW,volume 19))

Abstract

This chapter reviews recent applications of clay-based porous nanomaterials, particularly pillared interlayered clays, to mitigate environmental pollution. Pollutants such as heavy metals and some gases degrade the quality of water and air. This leads acute to chronic effects on human beings. For their mitigation several adsorption or catalysis-based techniques are a viable option for pollution control. Selection of appropriate porous materials with wide applicability, low-cost, natural occurring, and structural regularity is vital. In this context, pillared interlayered clays structures have interesting properties like high surface area, pore volume and extended pore size from micropore to mesopore, higher thermal stability, strong surface acidity and catalytic active substrates/metal oxide pillars. These unique characteristics make pillared clays as candidates for catalytic decomposition by oxidation and adsorption of pollutants from gaseous and aqueous phases.

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Acknowledgements

The Authors acknowledge the financial support of UGC and SERB-DST India for research grants MRP-MAJOR-ENVI-2013-35206, ECR/2017/001266, and Doon University, Dehradun for research infrastructure.

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Pandey, P., Saini, V.K. (2018). Pillared Interlayered Clays for Pollution Remediation. In: Crini, G., Lichtfouse, E. (eds) Green Adsorbents for Pollutant Removal. Environmental Chemistry for a Sustainable World, vol 19. Springer, Cham. https://doi.org/10.1007/978-3-319-92162-4_11

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