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Emerging And Nanomaterial Contaminants In Wastewater

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Emerging and Nanomaterial Contaminants in Wastewater

Emerging and Nanomaterial Contaminants in Wastewater Book
Author : Ajay Kumar Mishra,Hossain Md Anawar,Nadjib Drouiche
Publisher : Elsevier
Release : 2019-11-01
ISBN : 0128146745
Language : En, Es, Fr & De

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Book Description :

Emerging and Nanomaterial Contaminants in Wastewater: Advanced Treatment Technologies describes the state-of-the-art of remediation technologies, such as those involving nanotechnology, filtration devices (e.g. membranes), strategies involving adsorption and precipitation processes, development of new sorbents, nanosorbents, biosorbents, green technology, bio-electrokinetics, degradation of pollutants, advanced oxidative process, oxidative electrochemical and photocatalytic processes, catalytic degradation, and emerging hybrid technologies, such as photocatalyst membrane photoreactors using TiO2. Scientists and researchers in academia and industry will benefit from this comprehensive resource on the fundamental science behind the mechanisms at which wastewater sources can be purified from emerging contaminants. Provides a fundamental understanding of emerging contaminants to help readers select appropriate remediation technologies Discusses, in detail, new and advanced green technologies that remove emerging contaminants from wastewater Shows how to ensure water quality and save public health by protecting water resources from contaminants

Nanomaterials for the Detection and Removal of Wastewater Pollutants

Nanomaterials for the Detection and Removal of Wastewater Pollutants Book
Author : Barbara Bonelli,Francesca S. Freyria,Ilenia Rossetti,Rajandrea Sethi
Publisher : Elsevier
Release : 2020-06-12
ISBN : 0128184906
Language : En, Es, Fr & De

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Book Description :

Nanomaterials for the Detection and Removal of Wastewater Pollutants assesses the role of nanotechnology and nanomaterials in improving both the detection and removal of inorganic and organic contaminants from wastewater that originates from municipal and industrial plants. The book covers how nanotechnology is being used to remove common contaminants, including dyes, chlorinated solvents, nitrites/nitrates, and emerging contaminants, such as pharmaceuticals, personal care products and pesticides. Sections cover nanofiltration, adsorption and remediation. Nanomaterial immobilization recovery is also addressed, along with the quantification of heat/mass transport limitations, sizing aspects and transport phenomena. Finally, regulatory aspects regarding contaminants and nanoparticles in the environment are covered. This book is an important resource for both materials scientists and environmental scientists looking to see how nanotechnology can play a role in making wastewater a less hazardous part of the global ecosystem. Addresses the role of new nanotechnology-based solutions for the detection and removal of common and emerging contaminants Discusses the environmental impact of nanoparticles used in wastewater contaminant detection and removal Explores the major challenges for using nanomaterials to detect and remove contaminants from wastewater

Development in Wastewater Treatment Research and Processes

Development in Wastewater Treatment Research and Processes Book
Author : Susana Rodriguez-Couto,Maulin P. Shah,Jayanta Kumar Biswas
Publisher : Elsevier
Release : 2021-09-11
ISBN : 0323900119
Language : En, Es, Fr & De

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Book Description :

Removal of Emerging Contaminants from Wastewater through Bio-nanotechnology showcases profiles of the nonregulated contaminants termed as “emerging contaminants, which comprise industrial and household persistent toxic chemicals, pharmaceuticals and personal care products (PPCPs), pesticides, surfactants and surfactant residues, plasticizers and industrial additives, manufactured nanomaterials and nanoparticles, microplastics, etc. that are used extensively in everyday life. The occurrence of “emerging contaminants in wastewater, and their behavior during wastewater treatment and production of drinking water are key issues in the reuse and recycling of water resources. This book focuses on the exploitation of Nano-biotechnology inclusive of the state-of-the-art remediate strategies to degrade/detoxify/stabilize toxic and hazardous contaminants and restore contaminated sites, which is not as comprehensively discussed in the existing titles on similar topics available in the global market. In addition, it discusses the potential environmental and health hazards and ecotoxicity associated with the widespread distribution of emerging contaminants in the water bodies. It also considers the life cycle assessment (LCA) of emerging (micro)-pollutants with suitable case studies from various industrial sources. Provides natural and ecofriendly solutions to deal with the problem of pollution Details underlying mechanisms of nanotechnology-associated microbes for the removal of emerging contaminants Describes numerous successful field studies on the application of bio-nanotechnology for eco-restoration of contaminated sites Presents recent advances and challenges in bio-nanotechnology research and applications for sustainable development Provides authoritative contributions on the diverse aspects of bio-nanotechnology by world’s leading experts

Emerging Contaminants in the Environment

Emerging Contaminants in the Environment Book
Author : Hemen Sarma,Delfina C. Dominguez,Wen-Yee Lee
Publisher : Elsevier
Release : 2022-01-08
ISBN : 032385981X
Language : En, Es, Fr & De

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Book Description :

Emerging Contaminants in the Environment: Challenges and Sustainable Practices covers all aspects of emerging contaminants in the environment, from basic understanding to different types of emerging contaminants and how these threaten organisms, their environmental fate studies, detection methods, and sustainable practices of dealing with contaminants. Emerging contaminant remediation is a pressing need due to the ever-increasing pollution in the environment, and it has gained a lot of scientific and public attention due to its high effectiveness and sustainability. The discussions in the book on the bioremediation of these contaminants are covered from the perspective of proven technologies and practices through case studies and real-world data. One of the main benefits of this book is that it summarizes future challenges and sustainable solutions. It can, therefore, become an effective guide to the elimination (through sustainable practices) of emerging contaminants. At the back of these explorations on sustainable bioremediation of emerging contaminants lies the set of 17 goals articulated by the United Nations in its 2030 Agenda for Sustainable Development, adopted by all its member states. This book provides academics, researchers, students, and practitioners interested in the detection and elimination of emerging contaminants from the environment, with the latest advances by leading experts in emerging contaminants the field of environmental sciences. Covers most aspects of the most predominant emerging contaminants in the environment, including in soil, air, and water Describes the occurrence of these contaminants, the problems they cause, and the sustainable practices to deal with the contaminants Includes data from case studies to provide real-world examples of sustainable practices and emerging contaminant remediation

Contaminants of Emerging Concern in Water and Wastewater

Contaminants of Emerging Concern in Water and Wastewater Book
Author : Arturo Hernandez-Maldonado,Lee Blaney
Publisher : Butterworth-Heinemann
Release : 2019-10-19
ISBN : 012813562X
Language : En, Es, Fr & De

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Book Description :

Contaminants of Emerging Concern in Water and Wastewater: Advanced Treatment Processes presents the state-of-the-art in the design and use of adsorbents, membranes, and UV/oxidation processes, along with the challenges that will need to be addressed to close the gap between development and implementation in water/wastewater treatment applications. Chapters cover adsorbent and membrane design and performance, direct comparison of performance data between new (inorganic and metal organic nanoporous materials) and classic adsorbents and membranes, a list of advantages, disadvantages, and challenges related to performance limitations, regenerability, and upscaling. In addition, users will find sections on the identification of potential site and off-site applications that are listed according to adsorbent and membrane types, transformation of CECs in low- and/or medium-pressure UV irradiation processes used for disinfection, the oxidation of CECs by chlorine and ozone, and a comparison of advanced oxidation processes for the treatment of a variety of CECs in water and wastewater. Addresses the advantages/disadvantages of select technologies, including energy resource needs and waste management issues of reverse osmosis, amongst other issues Presents information on the advancements of technology within the realm of Engineered Treatments of CECs Focuses on the inherent science and technology of advanced treatment processes

Contaminants of Emerging Concerns and Reigning Removal Technologies

Contaminants of Emerging Concerns and Reigning Removal Technologies Book
Author : Manish Kumar,Sanjeeb Mohapatra,Kishor Acharya
Publisher : CRC Press
Release : 2022-06-30
ISBN : 1000551040
Language : En, Es, Fr & De

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Book Description :

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.

Emerging Contaminants Vol 2

Emerging Contaminants Vol  2 Book
Author : Nadia Morin-Crini,Eric Lichtfouse,Grégorio Crini
Publisher : Springer Nature
Release : 2021-04-28
ISBN : 3030690903
Language : En, Es, Fr & De

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Book Description :

Emerging contaminants are chemical and biological agents for which there is growing concern about their potential health and environmental effects. The threat lies in the fact that the sources, fate and toxicology of most of these compounds have not yet been studied. Emerging contaminants, therefore, include a large number of both recently discovered and well-known compounds such as rare earth elements, viruses, bacteria, nanomaterials, microplastics, pharmaceuticals, endocrine disruptors, hormones, personal care products, cosmetics, pesticides, surfactants and industrial chemicals. Emerging contaminants have been found in many daily products, and some of them accumulate in the food chain. Correlations have been observed between aquatic pollution by emerging contaminants and discharges from wastewater treatment plants. Most actual remediation methods are not effective at removing emerging contaminants. This second volume presents comprehensive knowledge on emerging contaminants with a focus on remediation.

Emerging Pollutant Treatment in Wastewater

Emerging Pollutant Treatment in Wastewater Book
Author : S.K. NATARAJ
Publisher : Emerging Materials and Technologies
Release : 2022-03-30
ISBN : 9781032103242
Language : En, Es, Fr & De

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Book Description :

This book highlights the innovations and techniques to identify and treat the emerging pollutants in waste and polluted water. It initiates with classification of emerging pollutants followed by a review on existing detection and elimination techniques, and current regulations in place. Subsequent chapters cover membrane-based separation process, polymer-based or resin-based water filters, functional materials, nanomaterials-based adsorbents, microplastics, and summary of the potential solutions in treating or removing emerging pollutants. Features Presents an overview of current and developing treatment technologies for water polluted with emerging pollutants Gives in-depth account and analysis of advanced materials and methods for separation and treatment Reviews analytical techniques applied to detect emerging pollutants Discusses overall effect of policies on current chemicals/plastics/APIs in the market Includes pertinent case studies and regulations The book is aimed at researchers, professionals and graduate students in environmental/civil/chemical engineering, wastewater/drinking water treatment.

Advanced Nanomaterials for Wastewater Remediation

Advanced Nanomaterials for Wastewater Remediation Book
Author : Ravindra Kumar Gautam,Mahesh Chandra Chattopadhyaya
Publisher : CRC Press
Release : 2016-08-05
ISBN : 1315351129
Language : En, Es, Fr & De

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Book Description :

Contamination of aqueous environments by hazardous chemical compounds is the direct cause of the decline of safe clean water supply throughout the globe. The use of unconventional water sources such as treated wastewater will be a new norm. Emerging nanotechnological innovations have great potential for wastewater remediation processes. Applications that use smart nanomaterials of inorganic and organic origin improve treatment efficiency and lower energy requirements. This book describes the synthesis, fabrication, and application of advanced nanomaterials in water treatment processes; their adsorption, transformation into low toxic forms, or degradation phenomena, and the adsorption and separation of hazardous dyes, organic pollutants, heavy metals and metalloids from aqueous solutions. It explains the use of different categories of nanomaterials for various pollutants and enhances understanding of nanotechnology-based water remediation to make it less toxic and reusable.

Emerging Nanomaterials for Recovery of Toxic and Radioactive Metal Ions from Environmental Media

Emerging Nanomaterials for Recovery of Toxic and Radioactive Metal Ions from Environmental Media Book
Author : Xiangke Wang
Publisher : Elsevier
Release : 2021-12-10
ISBN : 0323854850
Language : En, Es, Fr & De

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Book Description :

Emerging Nanomaterials for Recovery of Toxic and Radioactive Metal Ions from Environmental Media covers nanomaterials used in the environmental remediation of sites contaminated by toxic or radioactive heavy metals. The book comprehensively covers the use of MOF-based nanomaterials, COF-based nanomaterials, MXene-based nanomaterials, nZVI-based nanomaterials and carbon-based nanomaterials in remediation techniques and details the main interaction mechanisms between toxic/radioactive metal ions and the described novel nanomaterials through kinetic analysis, thermodynamic analysis, spectroscopic techniques and theoretical calculations. It provides a thorough reference on the use of the described novel nanomaterials for academics, researchers and advanced postgraduates in the environmental sciences and environmental chemistry. Provides a comprehensive and systematic reference on various novel nanomaterials that are available for use in the treatment of heavy metal ions and radioactive wastes Presents the latest knowledge on the interaction of toxic and radioactive metal ions with novel nanomaterials, including how to choose different materials for specific uses Covers the principles and functionalization of nanomaterials in environmental remediation, enabling an understanding of methodologies and best choice in nanomaterials

New Trends in Emerging Environmental Contaminants

New Trends in Emerging Environmental Contaminants Book
Author : Swatantra P. Singh,Avinash Kumar Agarwal,Tarun Gupta,Shihabudheen M. Maliyekkal
Publisher : Springer Nature
Release : 2021-12-12
ISBN : 9811683670
Language : En, Es, Fr & De

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Book Description :

This book is based on recent trends for the research in emerging environmental contaminants in different compartment of the environment. It provides a recent understanding for the fate, transport, and degradation of emerging contaminants in different environmental sectors, including water, air, and soil. The contents discuss the fate and transport of microplastics, PPCPs, along with the method of detection and degradation. It includes removal of variety of pollutants including microplastics, pharmaceuticals, and personal care products from the water using adsorption technique, electrooxidation, membrane technology and other advance oxidation methods. This volume will be of great value to those in academia and industry involved in environmental science and engineering research.

Emerging Contaminants in Soil and Groundwater Systems

Emerging Contaminants in Soil and Groundwater Systems Book
Author : Bin Gao
Publisher : Elsevier
Release : 2022-01-16
ISBN : 012824089X
Language : En, Es, Fr & De

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Book Description :

Emerging Contaminants in Soil and Groundwater Systems: Occurrence, Impact, Fate and Transport addresses the current need for comprehensive and detailed information on emerging contaminants in the environment. Due to increasing industrial expansion and evolving technologies, novel contaminants are being found in the environment with little information on their analysis, fate and transport. This book covers pharmaceuticals and personal care products, perfluorinated compounds, engineered nanoparticles and microplastics, providing the information environmental scientists require to study their occurrence and interactions, including case studies for each contaminant. This book is a valuable read for postgraduate students, academics, researchers, engineers and other professionals in the fields of Environmental Science, Soil Science, and Hydrology who need the most up-to-date information and analytical methods for analyzing newly emerging contaminants in soil and groundwater. Presents the four most important emerging contaminants of concern that have had little comprehensive coverage to date: pharmaceuticals and personal care products, perfluorinated compounds, engineered nanoparticles and microplastics Focuses on the fate and transport of each emerging contaminant, providing a thorough description of how each contaminant interacts with the environment Includes case studies of each emerging contaminant to complement advances in research to form a comprehensive reference for all emerging contaminants

Management of Contaminants of Emerging Concern CEC in Environment

Management of Contaminants of Emerging Concern  CEC  in Environment Book
Author : Pardeep Singh,Chaudhery Mustansar Hussain,Sanchayita Rajkhowa
Publisher : Elsevier
Release : 2021-03-12
ISBN : 0128222646
Language : En, Es, Fr & De

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Book Description :

Management of Contaminants of Emerging Concern (CEC) in Environment provides information about new concepts and latest developments in origin, reaction pathways, transportation, transformation products, identification, and adverse effects of CEC, as well as recent remediation technologies and tools for CEC. The book explores processes such as nanotechnology for the degradation of CEC by using various heterogeneous catalysts. The chapters incorporate both theoretical and practical aspects and can serve as a baseline for future studies. So, Management of Contaminants of Emerging Concern (CEC) in Environment is an indispensable resource for university students, teachers, and researchers, especially those working in the area of remediation and management of contaminants of emerging concern. Takes a holistic approach, focusing on the origin of contaminants, type of contaminants, remediation technologies, regulations and legal aspects Applies chemical, physical and biological processes for the treatment of emerging contaminants Written by a team of internationally reputed and rising researchers

Applying Nanotechnology for Environmental Sustainability

Applying Nanotechnology for Environmental Sustainability Book
Author : Joo, Sung Hee
Publisher : IGI Global
Release : 2016-08-04
ISBN : 1522505865
Language : En, Es, Fr & De

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Book Description :

Nanomaterials have been used for years in industries such as consumer products, textile production, and biomedicine, yet the literature outlining their use in environmental causes is limited. The safety, toxicity, transportation, and removal of this technology must be addressed as nanotechnology and nanomaterial use is expected to grow. Applying Nanotechnology for Environmental Sustainability addresses the applications of nanomaterials in the field of environmental conservation and sustainability, and analyses the potential risks associated with their use. It elucidates the scientific concepts and emerging technologies in nanoscience and nanotoxicity by offering a wide range of innovative topics and reviews regarding its use. This publication is essential for environmental engineers, researchers, consultants, students, regulators, and professionals in the field of nanotechnology.

Emerging Carbon Based Nanocomposites for Environmental Applications

Emerging Carbon Based Nanocomposites for Environmental Applications Book
Author : Ajay Kumar Mishra,Chaudhery Mustansar Hussain,Shivani Bhardwaj Mishra
Publisher : John Wiley & Sons
Release : 2020-09-29
ISBN : 1119554853
Language : En, Es, Fr & De

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Book Description :

The 12 chapters comprehensively cover the development and advances on emerging carbon-based nanocomposites for wastewater applications and discuss the following topics: The emerging carbon-based nanocomposites for remediation of heavy metals and organic pollutants from wastewater; Functional green carbon nanocomposites for heavy-metal treatment in water; Green nanocomposites and their applications in environmentally-friendly carbon nanomaterials; Carbon-based nanocomposites as heterogeneous catalysts for organic reactions in environment-friendly solvents; Carbonaceous nanomaterials for arsenic and chromium removal from waste water; Biochar-based adsorbents for the removal of organic pollutants from aqueous systems; Describes carbon nanomaterials based green nanocomposites; The removal of trihalomethanes from water using nanofiltration membranes and The transformation of wide bandgap semiconductors for visible-light photocatalytic degradation of organic dyes; Nanocomposite materials as electrode materials in microbial fuel cells for the removal of water pollutants; Plasmonic smart nanosensors for the determination of environmental pollutants.

Sustainable Agriculture Reviews 50

Sustainable Agriculture Reviews 50 Book
Author : Vipin Kumar Singh,Rishikesh Singh,Eric Lichtfouse
Publisher : Springer Nature
Release : 2021-03-12
ISBN : 3030632490
Language : En, Es, Fr & De

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Book Description :

This book reviews contaminants of emerging nature affecting the agroecosystem and includes important information regarding the their sources, types, transportation, environmental threats and strategies to decontaminate the affected agroecosystems. The contents of this volume will help the policy makers and environmental engineers in combating the continuously rising threats to cultivated ecosystems.

Legacy and Emerging Contaminants in Water and Wastewater

Legacy and Emerging Contaminants in Water and Wastewater Book
Author : Paromita Chakraborty
Publisher : Springer Nature
Release : 2022-07-05
ISBN : 3030954439
Language : En, Es, Fr & De

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Book Description :

Download Legacy and Emerging Contaminants in Water and Wastewater book written by Paromita Chakraborty, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Nano and Bio Based Technologies for Wastewater Treatment

Nano and Bio Based Technologies for Wastewater Treatment Book
Author : Elvis Fosso-Kankeu
Publisher : John Wiley & Sons
Release : 2019-05-16
ISBN : 1119576946
Language : En, Es, Fr & De

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Book Description :

Over the past few decades the boom in the industrial sector has contributed to the release in the environment of pollutants that have no regulatory status and which may have significant impact on the health of animals and humans. These pollutants also refer as “emerging pollutants” are mostly aromatic compounds which derive from excretion of pharmaceutical, industrial effluents and municipal discharge. Some form of pollutions have also evolved, including the proliferation of acid mine drainage from oxidation or weathering of obsolete and unmanaged excavations around the world; this results mostly in the dispersion of inorganic pollutants in the environment at level surpassing the treatment capacity of conventional techniques. It is recurrent these days to find water treatment plants which no longer produce water that fits the purpose of domestic consumption based on newly established guidelines. This situation has prompted water authorities and researchers to develop tools for proper prediction and control of the dispersion of pollutants in the environment to ensure that appropriate measures are taken to prevent the occurrence of outbreaks due to sudden load of these pollutants in the water system. The chapters in this book cover a wide range of nano and bio-based techniques that have been designed for the real time detection of emerging contaminants in environmental water sources, geochemical models that are continuously improved for the prediction of inorganic contaminants migration from the mine solid wastes into ground and surface waters. Remediation strategies are also discussed and include effective techniques based on nanotechnology, advanced membrane filtration, oxidative and bio- degradation processes using various types of nanocatalysts, biocatalysts or supporting polymer matrices which are under advanced investigations for their implementation at large scale for the removal of recalcitrant pollutants from polluted water. This book is divided is two sections, the first section covers the occurrence of emerging pollutants in environmental water while the second section covers state of the art research on the removal of emerging pollutants from water using sustainable technologies. A total of 13 chapters addressing various topics related to the two sections are essentially based on recent development in the respective field which could have a significant impact on the enhancement of the performance of wastewater treatment plants around the world and especially in developing countries where access to clean and safe water remains a daily challenge

Nanotechnology in Water and Wastewater Treatment

Nanotechnology in Water and Wastewater Treatment Book
Author : Amimul Ahsan,Ahmad Fauzi Ismail
Publisher : Elsevier
Release : 2018-11-15
ISBN : 012813903X
Language : En, Es, Fr & De

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Book Description :

Nanotechnology in Water and Waste Water Treatment: Theory and Applications explores the unique physicochemical and surface properties of nanoparticles and highlights the advantages they provide for engineering applications. Applications covered include the generation of fresh water from surface water and seawater, the prevention of the contamination of the environment, and the creation of effective and efficient methods for remediation of polluted waters. Each chapter covers a different nanotechnology-based approach and examines the basic principles, practical applications, recent breakthroughs and associated limitations. This book is ideal for researchers and professionals in the fields of nanotechnology, water treatment and desalination. In addition, it is also ideal for postgraduate students, industry and government professionals, managers and policymakers. Gathers together the latest research and developments in the field from journal articles and conference proceedings Discusses and evaluates the most economical and low cost treatment technologies Presents information from related fields on the applicability, strengths and weaknesses of particular nanomaterials in key applications, thus allowing for the continuation and expansion of research in a range of fields

Nanomaterials for Environmental Applications

Nanomaterials for Environmental Applications Book
Author : Mohamed Abou El-Fetouh Barakat,Rajeev Kumar
Publisher : CRC Press
Release : 2022-02-04
ISBN : 1000532852
Language : En, Es, Fr & De

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Book Description :

Nanomaterials for Environmental Applications offers a comprehensive review of the latest advances in nanomaterials-based technologies for the treatment of emerging contaminants in wastewater. It describes the latest developments in the synthesis protocols, including the synthesis of different kinds of nanostructure materials using various physical and chemical methods. Features Discusses the synthesis and characterization of important nanomaterials such as carbon nanostructures, metal and metal oxide nanostructures, polymer nanostructures, and smart 1D-–3D nanomaterials Presents the latest techniques used in the characterization of nanomaterials Covers environmental applications including the remediation of pollutants in wastewater and water purification and disinfection Examines the sources, fate, transport, and ecotoxicology of nanomaterials in the environment. Aimed at researchers and industry professionals, this work will be of interest to chemical, environmental, and materials engineers concerned with the application of advanced materials for environmental and water remediation. Mohamed Abou El-Fetouh Barakat is a Professor of Environmental Sciences at both King Abdulaziz University (KAU)- Saudi Arabia, and Central Metallurgical R&D Institute (CMRDI)- Egypt. He is highly qualified in the fields of industrial waste management and pollution control as well as catalysis and nanotechnology. His experience includes academic research works in Japan, Germany, the United States and Saudi Arabia, as well as initiating and leading industrial research projects in Egypt jointly with the United States. Rajeev Kumar is an Associate Professor in the Environmental Science Department, King Abdulaziz University, Jeddah, Saudi Arabia. His research activities are in the areas of wastewater treatment and materials science. He studies the adsorption and photocatalytic properties of nanomaterials for the removal of contaminants from wastewater.