Evaluation and Prediction of Henry's Law Constants and Aqueous Solubilities for Solvents and Hydrocarbon Fuel Components. Volume 3. Experimental Solubility Data PDF Download
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Author:
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Category :
Languages : en
Pages : 106
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Book Description
The Installation Restoration program (IRP) has identified several sites with contaminated soil and groundwater. This subsurface contamination is the result of fuels, cleaning solvents, and degreasers entering the subsurface environment from accidental spills, leaking storage tanks, and past disposal practices. HQ AFESC/RDVW is conducting research aimed at developing treatment strategies for groundwater cleanup, and studying the fate and transport of contaminants in subsurface systems. Many of the contaminants of concern are volatile by nature, and a knowledge of the contaminants of concern are volatile by nature, and a knowledge of their air-water distribution and aqueous solubility is needed to assess the compounds treatability and to support the basic laboratory studies. The objectives of this research were to develop Henry's law constants and aqueous solubilities as a function of temperature, for a variety of organic compounds of Air Force concern. Secondary objectives were to determine what effect mixed organics, in a aqueous solution, exhibit on individual Henry's law constants and evaluate various methods used to predict Henry's law constants. This report documents experimentally determined values of Henry's law constants and aqueous solubility for 51 compounds of Air Force concern. The report is presented in three volumes. Volume I contains the technical discussion and tabulated values of Henry's law constants and aqueous solubilities. Volume II and III contain all the raw data and the fortran source code for an interactive program used to predict the chemical parameters.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 106
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Book Description
The Installation Restoration program (IRP) has identified several sites with contaminated soil and groundwater. This subsurface contamination is the result of fuels, cleaning solvents, and degreasers entering the subsurface environment from accidental spills, leaking storage tanks, and past disposal practices. HQ AFESC/RDVW is conducting research aimed at developing treatment strategies for groundwater cleanup, and studying the fate and transport of contaminants in subsurface systems. Many of the contaminants of concern are volatile by nature, and a knowledge of the contaminants of concern are volatile by nature, and a knowledge of their air-water distribution and aqueous solubility is needed to assess the compounds treatability and to support the basic laboratory studies. The objectives of this research were to develop Henry's law constants and aqueous solubilities as a function of temperature, for a variety of organic compounds of Air Force concern. Secondary objectives were to determine what effect mixed organics, in a aqueous solution, exhibit on individual Henry's law constants and evaluate various methods used to predict Henry's law constants. This report documents experimentally determined values of Henry's law constants and aqueous solubility for 51 compounds of Air Force concern. The report is presented in three volumes. Volume I contains the technical discussion and tabulated values of Henry's law constants and aqueous solubilities. Volume II and III contain all the raw data and the fortran source code for an interactive program used to predict the chemical parameters.
Author: G. B. Howe
Publisher:
ISBN:
Category : Henry's law
Languages : en
Pages : 99
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Book Description
Author: G. B. Howe
Publisher:
ISBN:
Category :
Languages : en
Pages : 372
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Book Description
Laboratory measurements of Henry's law constants are reported for 51 chemicals spanning a wide range of chemical structures and volatilities. A static headspace method (Equilibrium Partitioning in Closed Systems, referred to as EPICS) was used to measure Henry's Law Constant, with the standard batch air-stripping method used as a check. An average precision of 5 percent was obtained for the EPICS runs, and the Henry's law constants agreed reasonably well (within 10 percent) with the batch air-stripping results and other reported experimental values. Measurements were conducted over a temperature range of 10-30 C, and the data were correlated with a temperature regression equation coupled with a temperature-dependent error term based on 95 percent confidence limits. The aqueous solubilities of the study compounds were also determined via the shake-flask method at temperatures of 10, 20, and 30 degrees Celsius. Finally, the results of this study were incorporated into a thermodynamic correlation (UNIFAC), based on chemical structure, which allows the prediction of Henry's law constants and aqueous solubilities for a wide variety of pure compounds and mixtures in dilute aqueous solutions. Volume II contains the experimental Henry's law data. Appendix A - Summary of Literature Search, and Appendix B Summary of EPICS Results are included in this volume. Keywords: Water pollution, Soil contamination. (aw).
Author:
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ISBN:
Category :
Languages : en
Pages : 96
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Book Description
Laboratory measurements of Henry's law constants are reported for 51 chemicals, spanning a wide range of chemical structures and volatilities. A static headspace method (Equilibrium Partitioning in Closed Systems, referred to as EPICS) was used to measure Henry's Law Constant, with the standard batch air- stripping method used as a check. An average precision of 5 percent was obtained for the EPICS runs, and the Henry's law constants agreed reasonably well(within 10 percent) with the batch air-stripping results and other reported experimental values. Measurements were conducted over a temperature range of 10-30 C, and the data were correlated with a temperature regression equation coupled with a temperature-dependent error term based on 95 percent confidence limits. The aqueous solubilities of the study compounds were also determined via the shake- flask method at temperatures of 10,20, and 30 degrees Celsius. Keywords: Volatile organics, Solvents, Fuels, Henry's law constants, Aqueous solubilities, Air water distribution.
Author:
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ISBN:
Category :
Languages : en
Pages : 1668
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Book Description
Author:
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ISBN:
Category : Science
Languages : en
Pages : 1842
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Book Description
Author:
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ISBN:
Category : Petroleum
Languages : en
Pages : 1416
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Author:
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ISBN:
Category : Petroleum
Languages : en
Pages : 1608
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Author: Sarah A. Brockbank
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages : 293
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Book Description
Author: Donald Mackay
Publisher: CRC Press
ISBN: 9781566706872
Category : Science
Languages : en
Pages : 1000
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Book Description
Transport and transformation processes are key for determining how humans and other organisms are exposed to chemicals. These processes are largely controlled by the chemicals’ physical-chemical properties. This new edition of the Handbook of Physical-Chemical Properties and Environmental Fate for Organic Chemicals is a comprehensive series in four volumes that serves as a reference source for environmentally relevant physical-chemical property data of numerous groups of chemical substances. The handbook contains physical-chemical property data from peer-reviewed journals and other valuable sources on over 1200 chemicals of environmental concern. The handbook contains new data on the temperature dependence of selected physical-chemical properties, which allows scientists and engineers to perform better chemical assessments for climatic conditions outside the 20–25-degree range for which property values are generally reported. This second edition of the Handbook of Physical-Chemical Properties and Environmental Fate for Organic Chemicals is an essential reference for university libraries, regulatory agencies, consultants, and industry professionals, particularly those concerned with chemical synthesis, emissions, fate, persistence, long-range transport, bioaccumulation, exposure, and biological effects of chemicals in the environment. This resource is also available on CD-ROM
