Abstract
AbstractHydroxyapatite with a general chemical formula Ca10(PO4)6(OH)2 have experienced a growing interest in recent years as multifunctional biomaterials for a wide range of applications including dental implants, drug delivery vector, catalyst as well as various other fields for environmental remediation. Hydroxyapatite (HAp) based materials can be hugely useful in the field of pollution control owing to their attractive physicochemical properties, especially, high adsorption capacity, excellent chemical and thermal stability, ion-exchange capacity, acid–base properties, non-toxicity, and abundantly available in nature. This chapter provides on the one hand an overview about the synthetic methods for preparation of hydroxyapatite with description of textural and morphological proprieties. On the other hand, the different proprieties of HAp will also be discussed. Finally, the application of HAp in the field of environmental remediation including adsorption of heavy metals and organic molecules, catalysis, photocatalysis for organic pollutant degradation and membranes for oil/water separation will be described and recapped.KeywordsHydroxyapatiteEnvironment remediationOrganic pollutant degradationPhotocatalysisAdsorptionOil/water separation
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