1 edition of Reported and potential occurrence of ether oxygenates on water resources in the UK found in the catalog.
Reported and potential occurrence of ether oxygenates on water resources in the UK
Energy Institute (Great Britain)
|LC Classifications||TD427.P4 R465 2009|
|The Physical Object|
|Pagination||xvi, 87 p. :|
|Number of Pages||87|
|LC Control Number||2009482684|
PREFACE. Water Quality for Agriculture was first published in as Irrigation and Drainage Paper Although many of the basic concepts of salinity control and dealing with poor quality water remain the same, new data and experience have prompted us to revise . Abstract. Many studies have shown that the addition of oxygen bearing compounds to diesel fuel can significantly reduce particulate emissions. To assist in the evaluation of the environmental performance of diesel-fuel oxygenates, we have implemented a suite of diagnostic models for simulating the transport of compounds released to air, water, and soils/groundwater as well as regional landscapes.
Oxygenates are chemicals added to fuels ("oxyfuels") to increase the oxygen content and thereby reduce certain emissions from use of the fuel. Of the several ethers and alcohols that may serve as oxygenates, methyl tertiary butyl ether (MTBE) is the most commonly used. Although the contamination of ground and surface waters by motor vehicle fuels and fuel additives is not a new problem, recent. Water (chemical formula: H2O) is a transparent fluid which forms the world's streams, lakes, oceans and rain, and is the major constituent of the fluids of organisms. As a chemical compound, a water molecule contains one oxygen and two hydrogen atoms that are connected by covalent bonds. Water is a liquid at standard ambient temperature and.
two bodies of water is also subject to different influences. Thus, for example, the surface layer receives more sunlight while the lower layer is physically separated from the atmosphere (which is a source of gases such as oxygen) and may be in contact with decomposing sediments which exert an oxygen demand. As a result of these influences it is. Water resources planning and management activities are usually motivated, as they were in each of the previous section’s case examples, by the realization that there are problems to solve and/or opportunities to obtain increased benefits by changing the management and use of water and related land resources.
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REPORTED AND POTENTIAL OCCURRENCE OF ETHER OXYGENATES ON WATER RESOURCES IN THE UK July Published by ENERGY INSTITUTE, LONDON The Energy Institute is a professional membership body incorporated by Royal Charter The risk posed by gasoline ether oxygenates (GEOs) to potable groundwater resources is one of taste and odour rather than human health.
In /, the Energy Institute (EI) and the Environment Agency conducted a collaborative study on the occurrence of GEOs in UK groundwater to assess the risk to potable water resources.
Abstract. The National Water-Quality Assessment Program of the United States (US) Geological Survey conducted surveys of the occurrence of methyl tert-butyl ether (MTBE) and other fuel oxygenates in ground water used as a source of drinking water and in drinking water in Cited by: 3.
Emerging water contaminants derived from unleaded gasoline such as methyl tert-butyl ether (MTBE), ethyl tert-butyl ether (ETBE) and tert-amyl methyl ether (TAME), are in need of effective. In this book chapter the treatment technologies currently available for water treatment are illuminated in detail on their potential for removing MTBE and other fuel oxygenates from water.
View. Grady, S.J., and George Casey,Occurrence and distribution of methyl tert-butyl ether and other volatile organic compounds in drinking water in the northeast and mid-atlantic regions of the United States, U.S.
Geological Survey Water Resources Investigations Report, WRIR. 1. Introduction. Ethanol is broadly being used as both a fuel oxygenate in reformulated gasoline and as an alternative fuel/fuel supplement.
Currently in the UK, the use of ethanol for this purpose is limited but could rise in an effort to meet the requirements of the European “Biofuels” Directive ().Whilst the use of biofuels has the potential to cut carbon dioxide emissions, the.
U.S. Geological Survey laboratory method for methyl tert-Butyl ether and other fuel oxygenates. Methyl tert-butyl ether (MTBE) was found in shallow ground-water samples in a study of 8 urban and 20 agricultural areas throughout the United States in and (Squillace and others,p.
Surface water and air volatile organic compound (VOC) data from 10 U.S. Geological Survey monitoring sites were used to evaluate the potential for direct transport of VOCs from the atmosphere to urban streams. Analytical results of 87 VOC compounds were screened by evaluating the occurrence and detection levels in both water and air, and.
1. Introduction. The increasing use of fuel oxygenates, including methyl tert-butyl ether (MTBE), has, during the last decade, raised concern over their environmental occurrence, fate and potential negligible data are available for estuarine and marine systems, many freshwater studies and assessments have been, and are currently being carried out in the United States (NAWQA.
Reported and Potential Occurrence of Ether Oxygenates on Water Resources in the UK avg rating — 0 ratings — published Want to Read saving 5/5(1). Water is different than many other natural resources that are traded because the costs of transport are very significant in comparison to the understated economic value of water and, perhaps more importantly, because of perceptions about the human right to water, and objections to the commodification of the resource [Gleick et al., WRI Occurrence and implications of methyl tert-butyl ether and gasoline hydrocarbons in ground water and source water in the United States and in drinking water in 12 Northeast and Mid-Atlantic States,by M.J.
Moran, J.S. Zogorski, and P.J. Squillace. Water Resources Research publishes original research articles and commentaries on hydrology, water resources, and the social sciences of water and that provide a broad understanding of the role of water in Earth’s system.
Selection of candidate VOCs involved many criteria, including potential human-health cancer risks and noncancer hazards, toxicity to and bioconcentration in freshwater aquatic organisms, physical properties and occurrence statistics, use or potential use as an oxygenate in gasoline, and potential for atmospheric ozone depletion (Bender et al.
Published in L.U.S.T. Line, a technical newsletter for underground storage tank stakeholders, this article presents information on ether oxygenates and ethanol.
Remediation technologies are also discussed. Achieving Clean Air and Clean Water: The Report of the Blue Ribbon Panel on Oxygenates in Gasoline (PDF) ( pp, K, About PDF) Change the chemical preservation method to avoid the potential for ether hydrolysis - Groundwater samples to be analyzed for hydrocarbons in addition to fuel oxygenates must be preserved using both a chemical preservative and refrigeration (preferably to 4° C).
Sustainable agriculture will, inevitably, be required to factor into its water resource planning the larger issues of sustainable economic development across economic sectors. This comprehensive approach to management of water resources has been highlighted in the World Bank's () policy on water resource development.
A key question is whether oxygenates in water pose a significant threat to human health or the environment. To assess the risks of MTBE or any other oxygenate, the potential for exposure to, and effects of, the contaminant(s) must be characterized.
However, only limited information exists for characterizing the possible risks of oxygenates in. Water Topics When the water in our rivers, lakes, and oceans becomes polluted; it can endanger wildlife, make our drinking water unsafe, and threaten the waters where we swim and fish.
EPA research supports efforts under the Clean Water Act and Safe Drinking Water Act. Determination of oxygenates in a gasoline-water matrix is difficult because analytes such as MTBE and TBA coelute on many columns and share GC-MS identification ions. We developed a sensitive, accurate analysis using an Rtx-VMS column and optimized conditions.Petroleum hydrocarbons and fuel oxygenates are among the most commonly occurring and widely distributed contaminants in the environment.
This chapter presents a summary of the sources, transport, fate, and remediation of volatile fuel hydrocarbons and fuel additives in the environment. Much research has focused on the transport and transformation processes of petroleum hydrocarbons and fuel.To repress this undesirable occurrence, nitrification inhibitors, such as NAllylthiourea (ATH) or 2-chloro(trichloro methyl) pyridine (CTMP) can be added.
If it is desired to analyse oxygen consumption of the nitrification in itself (N-BOD) a comparison can be made of .