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Characterization Of Mineral Oil Coal Tar And Soil Properties And Investigation Of Mechanisms That Affect Coal Tar Entrapment In And Removal From Porous Media
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Book Synopsis Characterization of Mineral Oil, Coal Tar and Soil Properties and Investigation of Mechanisms that Affect Coal Tar Entrapment in and Removal from Porous Media by : Lingjun Kong
Download or read book Characterization of Mineral Oil, Coal Tar and Soil Properties and Investigation of Mechanisms that Affect Coal Tar Entrapment in and Removal from Porous Media written by Lingjun Kong and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Mineral oils and coal tars are complex nonaqueous phase liquids (NAPLs), which can serve as long-term sources of ground water contamination. Very limited data are available on mineral oil and coal tar entrapment in and removal from porous media. Thus, the objectives of this research were to evaluate the behavior of these NAPLs in porous media, and investigate the mechanisms governing NAPL entrapment in and recovery from porous media. Quantification of properties of three commercial mineral oils and six MGP coal tars reveals that mineral oils are slightly viscous LNAPLs (density: 0.88 g/cm3; viscosity: 10-20 cP), whereas coal tars are highly viscous DNAPLs (density: 1.052-1.104 g/cm3; viscosity: 32-425 cP). Measured oil (tar)-water interfacial tensions (IFT) were lower than that of pure NAPLs. Properties of 16 field soil samples (soil particle size distribution, specific surface area, total carbon content, cationic exchange capacity and soil moisture release curves) were characterized. Correlations between residual NAPL saturation and NAPL and soil properties were developed, and show that the entrapment of NAPL dependent upon soil particle size distribution, total carbon content, NAPL viscosity and NAPL-water IFT. Aqueous pH and ionic strength were found to influence the interfacial properties in tar-water-silica systems. At pHs greater than 7.0, observed reduction in contact angle were attributed to the repulsive electrostatic force between coal tar and solid surface. When pH less than 4, hydration forces played a role on the contact angle decrease. The IFT reduction was resulted from the accumulation of surface-active molecules at the tar-water interface. The effect of ionic strength on interfacial properties was not significant below 0.5 M. The effects of temperature and surfactant or surfactant/polymer addition on coal tar removal was investigated by conducting coal tar displacement experiments at three different temperatures (22, 35, and 50C̊) with sequential flushing of water, surfactant and surfactant/polymer. Coal tar removal from porous media was enhanced by elevating temperature and surfactant flushing due to the viscosity and IFT reduction, respectively. Xanthan gum was used as the polymer to increase the viscosity of the displacing fluid. In summary, these results provide tools for the prediction of NAPL entrapment in porous media, and for the selection of remediation strategies for coal tar contaminated source zone.
Book Synopsis Manufactured Gas Plant Remediation by : Allen W. Hatheway
Download or read book Manufactured Gas Plant Remediation written by Allen W. Hatheway and published by CRC Press. This book was released on 2017-12-14 with total page 1052 pages. Available in PDF, EPUB and Kindle. Book excerpt: The assessment, remediation, and redevelopment of manufactured gas plant (MGP) sites pose a significant technical and financial challenge to successor property owners, including municipalities and other public entities undertaking brownfields revitalization, and to their consulting environmental engineers. Due to the toxicity of many coal tar constituents, sites contaminated as a result of gasworks operations pose a significant threat to public health. This book will discuss the history of the manufactured gas industry in Massachusetts (the largest in the US), as well as the toxicity of gasworks waste products, technical challenges in the cleanup process, and the process for site cleanups.
Book Synopsis Environmental Soil Remediation and Rehabilitation by : Eric D. van Hullebusch
Download or read book Environmental Soil Remediation and Rehabilitation written by Eric D. van Hullebusch and published by Springer Nature. This book was released on 2020-04-22 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive overview of innovative remediation techniques and strategies for soils contaminated by heavy metals or organic compounds (e.g. petroleum hydrocarbons, NAPLs and chlorinated organic compounds). It discusses various novel chemical remediation approaches (in-situ and ex-situ) used alone and in combination with physical and/or thermal treatment. Further, it addresses the recovery of NAPLs, reuse of leaching solutions, and in-situ chemical reduction and oxidation, and explores the chemical enhancement of physical NAPLs recovery from both practical and theoretical perspectives. Also presenting the state-of-the-art in waste-assisted bioremediation to improve soil quality and the remediation of petroleum hydrocarbons, the book is a valuable resource for students, researchers and R&D professionals in industry engaged in the treatment of contaminated soils.
Book Synopsis Review and Status of Low-temperature Tar Investigations of the Bureau of Mines by :
Download or read book Review and Status of Low-temperature Tar Investigations of the Bureau of Mines written by and published by . This book was released on 1959 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coal-tars and Their Derivatives by : Giuseppe Malatesta
Download or read book Coal-tars and Their Derivatives written by Giuseppe Malatesta and published by . This book was released on 1920 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Kinetics of solvent-water extraction of coal tar from porous media by : Sujoy B. Roy
Download or read book Kinetics of solvent-water extraction of coal tar from porous media written by Sujoy B. Roy and published by . This book was released on 1992 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Composition of Coal Tar and Light Oil by : Charles Harold Fisher
Download or read book Composition of Coal Tar and Light Oil written by Charles Harold Fisher and published by . This book was released on 1938 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analytical Distillation of Coal Tar by : E. B. Kester
Download or read book Analytical Distillation of Coal Tar written by E. B. Kester and published by . This book was released on 1932 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coal Tar Distillation by : Arthur Robert Warnes
Download or read book Coal Tar Distillation written by Arthur Robert Warnes and published by . This book was released on 1923 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrogenation of Low-temperature Coal Tar and Related Materials by : Howard W. Wainwright
Download or read book Hydrogenation of Low-temperature Coal Tar and Related Materials written by Howard W. Wainwright and published by . This book was released on 1961 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Constituents of Coal Tar by : Percy Edwin Spielmann
Download or read book The Constituents of Coal Tar written by Percy Edwin Spielmann and published by . This book was released on 1924 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Industrial Applications of Coal Tar Products by : Hugh Mills Bunbury
Download or read book The Industrial Applications of Coal Tar Products written by Hugh Mills Bunbury and published by . This book was released on 1925 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tests of the Absorption and Penetration of Coal Tar and Creosote in Longleaf Pine by : Clyde Harry Teesdale
Download or read book Tests of the Absorption and Penetration of Coal Tar and Creosote in Longleaf Pine written by Clyde Harry Teesdale and published by . This book was released on 1918 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Treasures of Coal Tar by : Alexander Findlay
Download or read book The Treasures of Coal Tar written by Alexander Findlay and published by . This book was released on 1917 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Extraction Methods for Determininng Tar Acids and Bases, and Variables Affecting Their Accuracy by : C. H. Fisher
Download or read book Extraction Methods for Determininng Tar Acids and Bases, and Variables Affecting Their Accuracy written by C. H. Fisher and published by . This book was released on 1936 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Composition of the Fractions of Primary and High-temperature Tar by : E. B. Kester
Download or read book Composition of the Fractions of Primary and High-temperature Tar written by E. B. Kester and published by . This book was released on 1932 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Investigation Into the Nature and Properties of Coal Tar by : Edward Victor Evans
Download or read book An Investigation Into the Nature and Properties of Coal Tar written by Edward Victor Evans and published by . This book was released on 1931 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
