Development and Application of Trace Analysis for Emerging Organic Pollutants in Surface Water PDF Download
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Author: Dominik Deyerling
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Dominik Deyerling
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author:
Publisher: Newnes
ISBN: 0444626948
Category : Science
Languages : en
Pages : 759
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Analysis, Removal, Effects and Risk of Pharmaceuticals in the Water Cycle provides an overview of the current analytical methods for trace determination of pharmaceuticals in environmental samples. The book also reviews the fate and occurrence of pharmaceuticals in the water cycle for their elimination in wastewater and drinking water treatment, focusing on the newest developments in treatment technologies, such as membrane bioreactors and advanced oxidation processes. Pharmaceutically active substances are a class of new, so-called emerging contaminants that have raised great concern in recent years. Human and veterinary drugs are continuously being released into the environment mainly as a result of the manufacturing processes, the disposal of unused or expired products, and via excreta. The analytical methodology for the determination of trace pharmaceuticals in complex environmental matrices is still evolving, and the number of methods described in the literature has grown considerably. This volume leads the way, keeping chemistry students, toxicologists, engineers, wastewater managers and related professionals current with developments in this quickly evolving area. - Covers the latest developments in trace determinations - Concise and critical compilation of the recent literature - Focuses on new treatment technologies
Author:
Publisher:
ISBN: 9780444828316
Category : Chemistry, Analytic
Languages : en
Pages :
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Author: Joanna Karpińska
Publisher: MDPI
ISBN: 3039218409
Category : Science
Languages : en
Pages : 154
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Book Description
The development of civilization entails a growing demand for consumer goods. A side effect of the production and use of these materials is the production of solid waste and wastewater. Municipal and industrial wastewater usually contains a large amount of various organic compounds and is the main source of pollution of the aquatic environment. Therefore, the search for effective methods of wastewater and other polluted water treatment is an important element of caring for the natural environment. This book presents research on the determination and removal of environmentally hazardous organic compounds from aqueous samples. The articles included in this book describe the results of examinations, at the laboratory scale, of the efficiency of chemical as well as physical processes for the removal or degradation of selected model pollutants. Environmental studies, especially those concerning the determination of trace impurities, require effective isolation and concentration procedures. The methods used for this purpose should meet the requirements of green chemistry. The liquid phase microextraction procedures and use of electrochemical methods described in this book seem to be proper for environmental studies, as they are effective and environmentally friendly.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309064325
Category : Nature
Languages : en
Pages : 277
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Book Description
With an increasing population, use of new and diverse chemicals that can enter the water supply, and emergence of new microbial pathogens, the U.S. federal government is faced with a regulatory dilemma: Where should it focus its attention and limited resources to ensure safe drinking water supplies for the future? Identifying Future Drinking Water Contaminants is based on a 1998 workshop on emerging drinking water contaminants. It includes a dozen papers that were presented on new and emerging microbiological and chemical drinking water contaminants, associated analytical and water treatment methods for their detection and removal, and existing and proposed environmental databases to assist in their proactive identification and regulation. The papers are preceded by a conceptual approach and related recommendations to EPA for the periodic creation of future Drinking Water Contaminant Candidate Lists (CCLsâ€"produced every five yearsâ€"include currently unregulated chemical and microbiological substances that are known or anticipated to occur in public water systems and that may pose health risks).
Author: James F. Lawrence
Publisher: Elsevier
ISBN: 1483264068
Category : Science
Languages : en
Pages : 318
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Book Description
Trace Analysis, Volume 4 presents critical discussions of selected topics in organic and inorganic analytical chemistry including instrumentation, techniques, and applications to the detection, identification, and quantitation of trace quantities of substances in a large variety of sample materials. The volume is directed towards topics in the trace analysis of biological materials and environmental samples. Chapters are devoted to discussions on developments and applications of ion-selective polymeric membrane electrodes for biological tissues and fluids; evaluation of X-ray emission spectroscopy for trace analysis; the use of solid adsorbents for pre-concentrating trace organic substances, mainly pollutants, from air; and comparison of neutron activation analysis and proton-induced X-ray emission spectroscopy for the determination of trace elements in rain and snow. Organic and inorganic chemists, medical technicians, and ecologists will find the book a good reference material.
Author: Hemen Sarma
Publisher: Elsevier
ISBN: 032385981X
Category : Science
Languages : en
Pages : 713
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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
Author: Gwen O'Sullivan
Publisher: Newnes
ISBN: 0444594515
Category : Science
Languages : en
Pages : 424
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Book Description
Environmental Forensics for Persistent Organic Pollutants represents the state-of-the-art in environmental forensics in relation to persistent organic pollutants (POPs). The book is a complete reference for practitioners and students, covering a range of topics from new analytical techniques to regulatory and legal status in the global community. Through case studies from leading international experts, real-world issues — including the allocation of responsibility for release into the environment — are resolved through the application of advanced analytical and scientific techniques. This book introduces and assesses the development of new techniques and technologies to trace the source and fate of newly emerging and classic POPs (perfluoroalkyl substances, brominated flame retardants, organochlorine pesticides, perfluorinated chemicals, polycyclic aromatic hydrocarbons, and polychlorinated biphenyls) in environmental media, including atmospheric, marine, freshwater, and urban environments. - Real-world case studies show the application of advanced analytical and scientific techniques - Discussion of GC*GC provides an introduction and assessment of a novel technique from leaders in the field - Introduces the development of new analytical techniques (such as 2-D GC*HC and LC*LC) to trace the source and fate - Raises awareness about the health and environmental impact of persistent organic pollutants (POPs) - Outlines the development of international measures to control POPs so that chemists can understand the legal issues
Author: Kyra Murrell
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The presence of contaminants of emerging concern (CECs) in the environment is a growing field of research for analytical environmental scientists. CECs are a class of anthropogenic pollutants not regulated by governmental agencies, and their potential deleterious environmental and human impacts are largely unknown. One of the main sources of CEC entry into the aquatic environment is wastewater treatment plant (WWTP) effluent as the treated water is often released into bodies of water, such as river and streams. Because most WWTPs were not designed to remove organic micropollutants, many CECs are poorly removed in traditional WWTPs and persist in the treated effluent waters. As a model system for study, the University Park WWTP treats the wastewater from the Penn State main campus. Following primary and secondary treatment, effluent water is then disinfected using sodium hypochlorite ("chlorine contact") and pumped for spray irrigation of over 500 acres of agricultural and forested lands called the Living Filter. The full characterization of CECs in environmental matrices requires the use of both targeted and non-targeted analysis employing a variety of advanced analytical techniques and multi-residue extraction methods. Comprehensive two-dimensional gas chromatography (GCxGC) coupled to time of flight mass spectrometry (TOFMS) is utilized for the separation and analysis of complex samples, such as wastewater. In these studies, GCxGC-TOFMS has been utilized for the non-targeted analysis of wastewater influent, effluent, and Living Filter irrigation water. Over the course of three years, these samples were investigated for CECs, revealing a new class of benzotriazole corrosion inhibitors and their transformation products. The tentatively identified chloromethyl-benzotriazole isomers were detected at higher concentrations in the effluent and irrigation water than the influent. Upon further investigation with a lab-scale synthesis, it was determined that the methyl-benzotriazoles in the influent react with sodium hypochlorite during chlorine disinfection to form previously unidentified chloromethyl-benzotriazoles. These compounds were not detected in the groundwater below the Living Filter. Traditionally, the extraction of wastewater and aqueous environmental samples is performed using liquid-liquid extraction (LLE). This method is time consuming and solvent intensive therefore a microextraction method, stir bar sorptive extraction (SBSE) was investigated. SBSE and LLE were compared for their application to multiclass organic contaminants in the University Park wastewater with GCxGC-TOFMS. LLE was found to be a better method for the quantitative analysis of a broader range of contaminants. SBSE was determined to be a more sensitive method for the non-targeted analysis of trace contaminants in effluent samples. These extraction methods were further tested and verified using wastewater from the Bellefonte, PA municipal WWTP as well as surface waters downstream of the WWTP outfall. 32 CECs, including a variety of pharmaceuticals and personal care products, were detected and tentatively identified in the samples. To further explore the fate and transport of CECs in the University Park wastewater, the soil and crops at the Living Filter were investigated. Specifically, corn roots, leaves, and grain were examined separately to determine the uptake and translocation of contaminants throughout the plant. The Living Filter samples were also compared to a corn crop control site at the agricultural research center at Rock Springs because it is not irrigated with the WWTP effluent. Target compounds detected in the soil and corn samples include herbicides, phthalates, and polycyclic aromatic hydrocarbons. Non-targeted principal component analysis of each sample type showed chemical differences between the control and Living Filter samples attributed to the treated wastewater irrigation. In addition, new chloro-dimethyl-benzotriazole compounds were tentatively identified in the wastewater as well as the Living Filter soil and corn root samples. Lastly, another class of CEC, microplastic particles (MPs), was investigated using a different set of analytical techniques. The surface characteristics and chemical composition of neat MP standards were compared to those extracted from personal care products and effluent water from the University Park WWTP. Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy, Scanning Electron Microscopy, and Optical Profilometry were all utilized for a more comprehensive view of the MP samples. This proof-of-concept study is the first to combine the three methods for MP analysis and demonstrate that MPs extracted from personal care products and WWTP effluent differ greatly from neat microsphere standards of similar sizes. The following research presented in chapters 2-6 has been published or submitted for publication in peer reviewed journals. Chapter 2 has been published in Science of the Total Environment and chapter 6 was published in Analytical Methods. Chapter 3 has been accepted for publication in Talanta. Chapter 4 has been submitted for publication in Analytical Methods and chapter 5 has been submitted to Chemosphere. I am first author on all five of these publications.
Author: Marcelo Larramendy
Publisher: BoD – Books on Demand
ISBN: 953512160X
Category : Science
Languages : en
Pages : 242
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Book Description
This edited book, Emerging Pollutants in the Environment Current and Further Implications, includes overviews by significant researchers on the topic of emerging pollutants toxicology, which covers the hazardous effects of common emerging xenobiotics employed in our every day anthropogenic activities. We hope that this book will meet the expectations and needs of all those who are interested in the negative implications of several emerging pollutants on living species.
