Overview

This book demonstrates the benefits of using commercially available surfactants, or surface-active agents, for remediation of metal-contaminated soil and sediment. First the book offers theoretical reviews of commercially available surfactants, then it proceeds to a study of various available surfactants for the mobilization of metals. Surfactants representative of amphiphiles discovered in the digestive environment of sediment-ingesting organisms are used to examine the extent and rate of metal (Al, Fe, Cd, Cu, Mn, Ni, Pb, Sn, Zn) mobilization from contaminated estuarine sediment. Metals can cause harmful effects to the environment and organisms. It is difficult to treat contaminants that are often tightly bound to the extremely small size of the estuarine sediments. The book also demonstrates the mechanisms of metal mobilization that appear to be related to complexation with monomers and adsorption to micelles of the anionic amphiphiles, and to the denudation of hydrophobichost phases or coatings on the sediment by micelles of both anionic and nonionic surfactants. Readers obtain a better understanding of current commercial surfactants, their impact on the environment, and possible remediation. This transdisciplinary book contributes toward Sustainable Development Goals numbers 6 (Clean Water and Sanitation) and 13 (Climate Action) set by the United Nations and is useful for students and teachers of sediment studies, coastal studies, environmental sciences, hydrology, civil engineering, and policy sciences.

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9789811343636

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Anu Singh Bisht is a dedicated and focused researcher with more than 7 years of extensive research experience in the areas of nanoscience, optics and microscopy, environmental science, and microbiology. She has a Ph.D. in physics from the prestigious French institute École Normale Supériuere de Cachan. She completed her master’s in Erasmus Mundus Joint European Water and Coastal Management from Spain and the United Kingdom. She received a bachelor’s in microbiology from the University of Delhi, India. Most recently, she worked as a post-doctoral research fellow at the University of Technology of Troyes, France. She led research work on the development of new light-emitting hybrid nanosources for their application in telecommunication.   Anu Singh Bisht is a productive independent researcher with excellent credentials in designing research experiments; she operates specialized scientific equipment and conducts data collection, interpretation, result processing, andanalysis. Her experience in scientific publication consists of more than 22 contributions to high impact factor journals and two book chapters. She has participated in several national and international conferences to present her research work and has also taken part in summer schools in France, where she presented her work. She received several awards and fellowships. These include a post-doctoral research fellowship from the Agence Nationale de la Recherche (ANR), France; a scholarship for her Ph.D. from the Centre National de la Recherche Scientifique (CNRS) Délégation Ile-de-France Est; an international scholarship for internship from the École Normale Supérieure (ENS) de Cachan; and an Erasmus Mundus Scholarship for a Joint European Master in Water and Coastal Management from the European Union.

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