Contaminants Of Emerging Concerns And Reigning Removal Technologies
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Contaminants of Emerging Concerns and Reigning Removal Technologies
With an increased demand for wastewater reuse, groundwater recharge with treated wastewater has been practiced across the globe. As a result, groundwater quality deteriorates by emerging micropollutants from various anthropogenic origins, including untreated wastewater, seepage of landfill leachate, and runoff from agricultural lands. The fate of such emerging and geogenic contaminants in subsurface systems, especially in the groundwater, depends on several factors. Physicochemical properties of contaminants such as octanol-water partition coefficient, dissociation constant, water solubility, susceptibility to biodegradation under anaerobic conditions, and environmental persistence under diverse geological and pH conditions play a critical role during subsurface mass flow. Thus, advanced wastewater treatment techniques, followed by implementing stricter guidelines, are some of the measures that can safeguard water resources. This book, in general, gives an understanding of the fate and mitigation strategies for emerging and geogenic contaminants in the groundwater. The first and second sections provide a detailed insight into various removal techniques and mitigation approaches. Possible treatment strategies, including bioremediation and natural attenuation, are also covered in those sections. Environmental assessment, groundwater vulnerability, health effects, and regulations pertaining to various contaminants are systematically presented in the third section.
Contaminants in Drinking and Wastewater Sources
This volume takes a multidisciplinary approach to study and evaluate the global human vulnerability to the exposure of contaminants of emerging concern (CECs) in the natural environment. It provides a comprehensive resource on structurally diverse groups of chemical compounds that have adverse effects on the aquatic environment. It explores the global strength, environmental status, chemical risk assessment and management strategies of CECs with relevant modern techniques. The principle focus is on concurrent emerging water quality issues. It defines the impacts of the environmental exposure of trace concentrations of CECs and/or their metabolites and discusses possible technological advances to combat the emerging pollutants. It will be useful to researchers, multi-stakeholder expert groups, policymakers, and graduate students.
Industrial Microbiology and Biotechnology
This book is a comprehensive guide for industrial bioprocess development, covering major aspects of microbial processes and their role in biotechnology. It provides a selection of hyperproducers, microbial products, and metabolic engineering strategies for industrial production. It covers high cell density cultivation techniques product formation kinetics measurement and limiting parameters in large-scale process development. The first and second section of the book focuses on biotechniques, including spectroscopic concepts of light, wave, and electromagnetic theory, as well as absorption, fluorescence, phosphorescence, infrared, and Raman spectroscopy. It also covers the basic principles, concepts, biological applications, and other advanced techniques. The third section emphasizes microbial inventions and improvements in bioprocess development. It covers microbial products and recent developments in fermentation technology and also includes information on metabolic engineering. The fourth section related to microbial inventions and bioprocesses which include platforms for recombinant gene expression, as well as the development of recombinant heterologous expression systems such as E. coli, yeast, mammalian and insect cells, and plant cells used as biofactories. The fifth section of the book focuses on microbial product waste management in extreme environments, biomass waste management, bio-pulping, bio-bleaching, textiles, biofuels, and animal feed production. The book aims to provide a multidisciplinary opportunity on all aspects of microbial biotechnology. It covers recent international developments that have renewed interest in industrial microbiology and biotechnology. The book is suitable for teachers, researchers, graduate and post-graduate students, environmentalists, microbiologists, and biotechnologists.