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Oil In Freshwater: Chemistry, Biology, Countermeasure Technology presents the proceedings of the Symposium of Oil Pollution held in Freshwater, Edmonton, Alberta, Canada represents a collection of scientific knowledge on state-of-the-art monitoring and cleanup of oil pollution in fresh waters. The book covers the major subject areas of the physical and chemical fates of oil and petroleum in freshwater environments; biological and ecological effects, biodegradability and microbiological considerations, fate in runoff and wastewater treatment, and aquifer contamination. The book discusses the solubilities of substances from tar sands and heavy oils; the physical and chemical behavior of oils; and the carcinogenic and toxic effects of oil and oil products, including polycyclic aromatic hydrocarbons on freshwater communities and ecosystems. The text also describes microbial biodegradability; oil related pollutants in road and urban runoff and during municipal and industrial wastewater treatment; and cleanup and disposal technologies. Oil pollution of aquifers has been thoroughly covered.
Freshwater is a most precious natural resource. To the developed world, refreshing, untainted water is presumed from the taps of millions of householders. The many rivers, streams, ponds and lakes are for the pleasure and enjoyment of the leisure hours of urban dweller and rural inhabitant alike-boating, fishing, sailing and swimming come readily to mind. To the agriculturalist and industrialist it is often the cornerstone of their enterprises. To the environmentalist and naturalist it is the basis of the wetland and open water communities which provide the habitats for a wealth of flora and fauna. In the developing world the emphasis is very different. A spring, well, river or swamp is the basis of day-to-day survival for family, livestock and crops. Subsistence fishing is often the major source of protein. Freshwater may be the unwitting purveyor of disease but with good management this can be regulated and monitored. But Man by nature, is a selfish species who tends to have scant regard for the quality of life of future generations. The much publicised destruction of forests is a notorious example. Not so well-known is the pressure on one of the world's most fragile ecosystems, the wetlands.
The National Academy of Sciences estimate that 1.7 to 8.8 million tons of oil are released into world's water every year, of which more than 70% is directly related to human activities. The effects of these spills are all too apparent: dead wildlife, oil covered marshlands and contaminated water chief among them. This reference will provide scientists, engineers and practitioners with the latest methods use for identify and eliminating spills before they occur and develop the best available techniques, equipment and materials for dealing with oil spills in every environment. Topics covered include: spill dynamics and behaviour, spill treating agents, and cleanup techniques such as: in situ burning, mechanical containment or recovery, chemical and biological methods and physical methods are used to clean up shorelines. Also included are the fate and effects of oil spills and means to assess damage. - Covers spill dynamics and behaviour - Definitive guide to spill treating agents - Complete coverage of cleanup techniques - Includes fate and effects of oil spills and means to assess damage
A discussion of fundamental characteristics, theories and applications for liquid-liquid colloidal dispersions. It profiles experimental and traditional measurement techniques in a variety of emulsified systems, including rheology, nuclear magnetic resonance, dielectric spectroscopy, microcalorimetry, video enhanced microscopy, and conductivity.
Since the early 1970s, experts have recognized that petroleum pollutants were being discharged in marine waters worldwide, from oil spills, vessel operations, and land-based sources. Public attention to oil spills has forced improvements. Still, a considerable amount of oil is discharged yearly into sensitive coastal environments. Oil in the Sea provides the best available estimate of oil pollutant discharge into marine waters, including an evaluation of the methods for assessing petroleum load and a discussion about the concerns these loads represent. Featuring close-up looks at the Exxon Valdez spill and other notable events, the book identifies important research questions and makes recommendations for better analysis ofâ€"and more effective measures againstâ€"pollutant discharge. The book discusses: Inputâ€"where the discharges come from, including the role of two-stroke engines used on recreational craft. Behavior or fateâ€"how oil is affected by processes such as evaporation as it moves through the marine environment. Effectsâ€"what we know about the effects of petroleum hydrocarbons on marine organisms and ecosystems. Providing a needed update on a problem of international importance, this book will be of interest to energy policy makers, industry officials and managers, engineers and researchers, and advocates for the marine environment.
This book is devoted to the chemistry of oil and petroleum products and covers the broad range of topics from heavy fuel oils, crude oils and (diluted) bitumen to today‘s research on asphaltenes. Recent methods are summarized and the large new groups of chemicals found in oils are identifi ed as well as described. The work points the way for a more complete understanding of the composition of petroleum. Highlights include: An update on oil fi ngerprinting New data using Fourier transform mass spectrometry, forensic tools for naphthenic acid fraction compounds in oil sand environmental samples Data on vanadium and nickel content changes in the resins of heavy oils, characteristics of their structural and group composition, and the content of heteroatomic (N, S, O) compounds Study of asphaltenes using direct molecular imaging employing atomic force microscopy (AFM) and scanning tunneling microscopy (STM) confi rming early findings of the dominance of the ‘island’ molecular structure An update on the Yen-Mullins model of asphaltenes in reservoirs giving the requisite solution to the asphaltene particle size, thus resolving the gravity term for thermodynamic modeling. A modifi ed polymer solution theory, the Flory-Huggins-Zuo (FHZ) EoS, is provided to model asphaltene gradients in reservoirs. A suite of oils from the Tarim Basin, Qaidam Basin, Ordos Basin, and Liaohe Basin, China is characterized geochemically to clarify factors that can affect the concentrations and distributions of pyrrolic nitrogen compounds (PNCs) in crude oils. An update on biomarkers in crude oils Updates on mass spectrometry techniques applicable to crude oils
Laboratory work and ecological and operational considerations of using chemical dispersants as responses to oil spills, are updated by 11 papers from a symposium in Victoria, British Columbia, in October 1994. The topics tend to be narrower and deeper than those presented in previous symposia on the
One of the major challenges for many Mediterranean and other countries is finding viable solutions to tackle water shortage. Some of the major water quality constraints derive from the high salinity of groundwater and from pollution sources such as: untreated domestic sewage, fertilizers and pesticides from irrigation drainage, industrial effluents, and solid waste disposal. Wastewater treatment processes involving physico-chemical and biological treatment, chemical oxidation, membrane technologies, along with methods of solids concentration and disposal are of special relevance in dealing with these problems. This volume contains selected lectures presented at the NATO ADVANCED TRAINING COURSE held in Oviedo (November 15-21, 2009) and sponsored by the NATO Science for Peace and Security (SPS) Programme. They cover a variety of topics from wastewater treatment methods to cleaner production strategies, as a careful management of water resources is the basis for sustainable development and to avoid potential security threats. The reader will benefit from a general view of some of the operations involved in wastewater treatment and solid concentration and disposal methods. A proper water reuse and recycling, together with efficient solid disposal, would contribute to a better use of the resources and a sustainable economic growth, particularly in many arid lands of the world.