Download or read book Petrogenic Polycyclic Aromatic Hydrocarbons in the Aquatic Environment Analysis Synthesis Toxicity and Environmental Impact written by Daniela M. Pampanin and published by Bentham Science Publishers. This book was released on 2017-04-07 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although a lot is known about the influence of Polycyclic Aromatic Hydrocarbons (PAHs) on the marine environment, there are still many unanswered questions. Petrogenic Polycyclic Aromatic Hydrocarbons in the Aquatic Environment is a monograph that sums up basic knowledge about this topic while highlighting current research practices useful in studying the aquatic environment. It starts with an introduction to effect of PAH in the marine environment. It then proceeds to provide information on techniques to monitor PAH levels and investigate the affected environment in order to control the subsequent negative effects. Chapters also detail the carcinogenic and endocrine effects of PAHs on fish as well as the degradation of PAHs by microorganisms. This monograph is a useful reference for environmental science students and professionals learning about the role of PAH in the marine environment.
Download or read book Polycyclic Aromatic Hydrocarbons in the Aquatic Environment written by Jerry M. Neff and published by . This book was released on 1979 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Metabolism of Polycyclic Aromatic Hydrocarbons in the Aquatic Environment written by Usha Varanasi and published by CRC Press. This book was released on 1989-03-31 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book shows how the biological transport, bioaccumulation, disposition, and toxicity of polycyclic aromatic hydrocarbons (PAH) in the aquatic environment are influenced by the ability or inability of organisms to metabolize these environmental pollutants. Written by leading scientists in the fields of PAH metabolism and toxicity in both aquatic and mammalian systems, this book discusses recent advances in the areas of PAH biogeochemistry and bioaccumulation, microbial degradation, enzymes of activation, and detoxication, metabolism of PAH, and laboratory and field studies on carcinogenic/toxic effects. Additionally, important similarities and differences in metabolism of PAH by aquatic and terrestrial organisms are featured. The discussion of bioavailability, metabolism, and subsequent toxic effects should aid in the assessment of the ecological consequences of PAH in the aquatic environment.
Download or read book Implications to the Aquatic Environment of Polynuclear Aromatic Hydrocarbons Liberated from Northern Great Plains Coal written by Robert M. Carlson and published by . This book was released on 1979 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Polycyclic Aromatic Hydrocarbons in the Aquatic Environment written by and published by . This book was released on 1983 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Polycyclic aromatic compounds PACs in oily wastewater from shipping with a focus on scrubber water written by Magnusson, Kerstin and published by Nordic Council of Ministers. This book was released on with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: Available online: https://pub.norden.org/temanord2023-550/ To reduce emissions of hazardous combustion gases to air, ship owners can switch to cleaner fuels or install so called “scrubbers”, onboard the ship. In a scrubber, combustions gases are sprayed with water and the dirty wash water, the scrubber water, is discharged to the sea. The number of ships with scrubbers and the volumes of discharged scrubber water have increased dramatically the past decade. When allowing the use of scrubbers, the focus was on improving the air quality, while the impact on the marine environment was not considered. We have here analysed polycyclic aromatic compounds (PACs), the most toxic fraction of oil, in scrubber water from ships, and reviewed recent ecotoxicological scientific literature on PAC toxicity to marine organisms. Our conclusion is that in areas with intense shipping there is a serious risk for negative effects on marine organisms.
Download or read book Polycyclic Aromatic Hydrocarbons in the Aquatic Environment Formation Sources Fate and Effects on Aquatic Biota written by National Research Council Canada. Environmental Secretariat and published by National Research Council Canada, Associate Committee on Scientific Criteria for Environmental Quality. This book was released on 1983 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Xenobiotics in Urban Ecosystems written by Rishikesh Singh and published by Springer Nature. This book was released on 2023-12-02 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides state-of-the-art knowledge on xenobiotics in urban ecosystems, addressing a wide range of related issues, such as xenobiotic types and chemical composition, environmental fate, remedial approaches, regulatory policies and socioeconomic impacts. The book incorporates theoretical and practical aspects pertaining to xenobiotics to assess their threat level in urban environments, while determining appropriate responses and remediation measures to curb harmful impacts and prevent future contaminations. The book will be of interest to soil scientists, ecological engineers, agriculturists, urban policymakers, students and researchers working in the field of urban agriculture and environmental sciences.
Download or read book A Handbook of Environmental Toxicology written by J.P.F. D'Mello and published by CABI. This book was released on 2019-12-04 with total page 675 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by an international team of authors from a range of educational, medical and research establishments, this book is an essential reference for advanced students and researchers in the areas of environmental sciences, ecology, agriculture, environmental health and medicine, in addition to industry and government personnel responsible for environmental regulations and directives. A Handbook of Environmental Toxicology focuses on two key aspects: human disorders and ecotoxicology as affected by major toxins originating from biological sources and pollutants, as well as radiation generated spontaneously or as a result of anthropogenic activity. A diverse array of these potentially harmful agents regularly appear in the atmosphere, soil, water and food, compromising both human health and biodiversity in natural and managed ecosystems.
Download or read book Polycyclic Aromatic Hydrocarbons in the Aquatic Environment written by and published by . This book was released on 1983 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Polycyclic Aromatic Hydrocarbons written by Kazuichi Hayakawa and published by Springer. This book was released on 2018-02-05 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews Polycyclic Aromatic Hydrocarbons (PAHs) and Nitropolycyclic Aromatic Hydrocarbons (NPAHs) contamination in the context of environmental pollution in Asia. It is comprised of the following sections: 1. Fundamental Chemistry and General Characteristics; 2. Analytical Methods; 3. Emission Source and Atmospheric Behavior; 4. Atmospheric Polycyclic Aromatic Hydrocarbons and PM2.5; 5. Polycyclic Aromatic Hydrocarbons in Marine Environments; 6. Metabolic Activation/Toxicities; and 7. Environmental Standards and Guidelines. This volume concentrates on the Far East due to the massive consumption of coal and petroleum in China, which has led to considerable levels of air pollution. High concentration of atmospheric PM2.5 in Beijing have been reported since January 2013 and exposure to such high concentrations may cause respiratory, cardiac and lung diseases. Gathering contributions from international experts, this volume provides a valuable reference guide for global researchers and students interested in learning from the East Asian experience.
Download or read book PAHs written by Peter E. T. Douben and published by John Wiley & Sons. This book was released on 2003-07-25 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polycyclic aromatic hydrocarbons (PAHs), or polyarenes, are one of the largest and most structurally diverse class of organic molecules known. High percentages of polyarenes, representing a wide range of molecular sizes and structural types, are present in coal tars and petroleum residues. The major sources of PAHs are crude oil, coal and oil shale. The fuels produced from these fossil sources constitute the primary source of energy for the industrial nations of the world, and the petrochemicals from these raw materials are the basis of the synthetic fibre and plastics industries. PAHs are however, widespread pollutants and their impact on the environment and human health must be monitored and controlled. This book will review and assess our scientific understanding of the ecological exposure and effects PAHs have in different environments and habitats. It will accomplish this by taking the recipients of the pollution in the environment as starting points and working its way back through pathways to access what is required for our understanding of effects and rationale for control. Although this book will concentrate on ecological exposure of PAHs, the general impacts of PAHs on human populations will be touched upon. It is thought to be the first book to focus on the ecological aspects of PAHs.
Download or read book Polycyclic Aromatic Hydrocarbons in the Aquatic Environment written by National Research Council of Canada. Panel on Polycyclic Aromatic Hydrocarbons and published by . This book was released on 1983 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Biodegradable Polymers written by Margarita del Rosario Salazar and published by CRC Press. This book was released on 2023-03-16 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: Basic concepts on biodegradable biopolymer science are presented in this book, as well as techniques, analyses, standards, and essential criteria for the characterization of biodegradable materials obtained from biopolymers. The development and innovation of products and processes considering the environment are highlighted in this book. All of the applications described have been discussed from the point of view of sustainability. Additionally, this book highlights that biodegradability is a great burden when trying to replace, modify, and/or design existing products, and processes that are highly polluting. Finally, the present book concludes with reflections on the development of biopolymers in different areas, and some of their consequences depending on their biodegradability.
Download or read book Marine Extremes written by Erika Techera and published by Routledge. This book was released on 2019-01-14 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Marine extremes, as they are conceived of in this volume, encompass environments, activities, events and impacts. Extreme environments found in and around our oceans, including the deep sea and seabed as well as the frozen polar regions, are being seriously affected by both extreme behaviours (dumping and discharge of waste, illegal fishing and piracy) and extreme events (storms, tsunamis, extreme waves and marine heatwaves). The aim of this book is to highlight the multi-disciplinary knowledge and inputs needed to address marine extremes and thereafter to explore opportunities and current challenges. Safe and healthy oceans are important for economic, recreational and cultural activities, in addition to the maintenance of ecosystem services upon which we rely. This volume gathers a unique mix of researchers working on scientific aspects of biological ecosystems and physical processes together with social scientists exploring law and governance options, community preferences, cultural values, economic aspects and criminological drivers and approaches. The multi-disciplinary feature of this book breaks down barriers that arise between disparate fields of research so that integrated solutions to ocean challenges can be found. Overall, this book argues that if we are to achieve sustainable utilisation of our oceans and blue economy goals we must better understand, and respond to, the extreme environments, activities, events and impacts. The book is a valuable addition to the literature and will be of interest to researchers in marine science, ocean governance and natural resource economics, as well as to professionals and government officials concerned with marine policy and planning.
Download or read book Zero Waste Biorefinery written by Yogalakshmi Kadapakkam Nandabalan and published by Springer Nature. This book was released on 2022-01-12 with total page 595 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a compilation of process, technologies and value added products such as high value biochemicals and biofuels produced from different waste biorefineries. The book is sectioned into four categories providing a comprehensive outlook about zero waste biorefinery and technologies associated with it. The emerging technologies that potentially put back the lignocellulosic waste, municipal solid waste and food waste into intrinsic recycling for production of high value biochemicals and bioenergy, along with associated challenges and opportunities are also included. The content also focuses on algal biorefineries leading to sustainable circular economy through production of broad spectrum of bioactive compounds, bioethanol, biobutanol, biohydrogen, biodiesel through integrated biorefinery approach. The volume also includes chapters on conversion technologies and mathematical models applied for process optimization. A sound foundation about the underlying principles of biorefineries and a up-to-date state-of-the-art based overview on the latest advances in terms of scientific knowledge, techno-economic developments and life cycle assessment methodologies of integrated waste biorefinery is provided. This volume will be of great interest to professionals, post-graduate students and policy makers involved in waste management, biorefineries, circular economy and sustainable development.
Download or read book Bioavailability of Polycyclic Aromatic Hydrocarbons in the Aquatic Environment written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous in the environment and have been shown to elicit toxicity in humans and other organisms. Therefore, it is important to monitor environmental concentrations of PAHs. Toxicologically, we are concerned not only with the total PAH concentration but, with that fraction available to partition into an organism (bioavailable fraction). This research fits within three areas concerning bioavailability of PAHs including; 1) development of methods to measure bioavailability in the field, 2) identification and characterization of mechanisms controlling bioavailability and, 3) development of models to predict bioavailability in the natural environment. In the first phase of this research, the role of black carbon (BC) in the bioavailability of PAHs in soil and sediment was examined by measuring sorption in systems containing BC, natural organic matter (NOM), and microorganisms. A model was developed to predict the bioavailable fraction of PAHs and factors that may alter sorption in the natural environment from that predicted by laboratory models were examined. In the second phase of this research, a novel passive sampling device was developed to monitor truly dissolved PAH concentrations in water. Sorption isotherms of pyrene-d10 were measured for diesel soot (DS), Suwannee River NOM, Leonardite humic acids (HA), DS previously exposed to NOM and HA, in binary systems containing both DS and NOM, and to DS exposed to lake water. When DS was previously exposed to NOM, competition for sorption sites was observed. However, when both pyrene-d10 and NOM were introduced to DS simultaneously, less competition occurred and sorption was predicted within 92% of observed values using additive sorption models (based on the unit-normalized Freundlich model and Polyani-Dubinin-Manes model). Weathering of DS significantly reduced adsorption capacity but many strong sorption sites still remained, possibly due to renewal of sorption sites b.
