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Monday, May 4, 2020 | History

2 edition of Soil remediation of nonaqueous phase liquids found in the catalog.

Soil remediation of nonaqueous phase liquids

R. N. Yong

Soil remediation of nonaqueous phase liquids

by R. N. Yong

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  • 0 Currently reading

Published by Geotechnical Research Centre, McGill University in Montreal, Que., Canada .
Written in English

    Subjects:
  • Oil pollution of soils.,
  • Organic solvents -- Environmental aspects.,
  • Soil porosity.,
  • Soil remediation.

  • Edition Notes

    Statementby R.N. Yong, A.M.O. Mohamed, and D.S. El Monayeri.
    SeriesGeo-environmental series,, no. 91-5
    ContributionsMohamed, Abdel-Mohsen Onsy., El Monayeri, D. S.
    Classifications
    LC ClassificationsTD879.P4 Y66 1991
    The Physical Object
    Pagination1 v. (various pagings) :
    ID Numbers
    Open LibraryOL1309804M
    LC Control Number92179503

    This paper proposes the theory and practical application of a new partitioning tracer test for nonaqueous phase liquid (NAPL) detection in the vadose zone, which is based on diffusion. A mixture of chlorofluorocarbons as gaseous tracers is injected into the vadose zone to form a point source at the injection point. While the tracers diffuse away, small volumes of gas are withdrawn from the Cited by: conceptual fate and transport point of view of DNAPL phase distribution, monitoring, site characterization, remediation, and modeling. A nonaqueous phase liquid (NAPL) is a term used to describe the physical and chemical differences between a hydrocarbon liquid and water which result in a physical interface between a mixture of the two liquids.

      04 12 13 58 Groundwater Remediation Case Study Partitioning Between Liquid Phases - Duration: Soil Remediation Technologies - Duration. Non-Aqueous Phase Liquids (NAPLs) in Subsurface Environment: Assessment and Remediation. The growing number of incidents of soil and groundwater contamination with non-aqueous phase liquids (NAPLs) has caught the nation unprepared. A number of challenges confronted the three agencies involved (government, academic research community, and private industry).Cited by:

    Table of contents for Soil and groundwater contamination: nonaqueous phase liquids / Alex Mayer. Bibliographic record and links to related information available from the Library of Congress catalog. Note: Contents data are machine generated based on pre-publication provided by the publisher. The use of surfactants to remediate groundwater contaminated by nonaqueous phase liquids has been under investigation and field testing since at least the s. Surfactant enhanced aquifer remediation (SEAR) is especially important for dense nonaqueous phase liquids such as chlorinated solvents because they are difficult to remediate and.


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Soil remediation of nonaqueous phase liquids by R. N. Yong Download PDF EPUB FB2

Nonaqueous phase liquids (NAPLs) are frequently found as soil and groundwater contaminants. Highly toxic even in small volumes, NAPLs can pose a threat to human health and damage surface and subsurface : Paperback. Published by the American Geophysical Union as part of the Water Resources Monograph Series, Volume Nonaqueous phase liquids (NAPLs) are frequently Soil remediation of nonaqueous phase liquids book as soil and groundwater contaminants.

Highly toxic even in small volumes, NAPLs can pose a threat to human health and damage surface and subsurface ecosystems. The Water Research Institute at the Technion (Israel Institute of Technology) is proud to have initiated and sponsored the International Workshop "Soil and Aquifer Pollution: Non-Aqueous Phase Liquids - Contamination and Recla- tion", held May 13thth,on the Technion campus in Haifa.

Soil and Groundwater Contamination: Nonaqueous Phase Liquids-Principles and Observations. Published by the American Geophysical Union as part of the Water Resources Monograph Series. Nonaqueous phase liquids (NAPLs) are frequently found as soil and groundwater contaminants.

Highly toxic even in small volumes, NAPLs can pose a threat to human health and damage surface and. Nonaqueous phase liquids (NAPLs) are frequently found as soil and groundwater contaminants. Highly toxic even in small volumes, NAPLs can pose a threat to human health and damage surface and subsurface : $ Published by the American Geophysical Union as part of the Water Resources Monograph eous phase liquids (NAPLs) are frequently found as soil and groundwater contaminants.

(). Removal of non-aqueous phase liquids (NAPLs) from TPH-saturated sandy aquifer sediments using in situ air sparging combined with soil vapor extraction. Journal of Environmental Science and Health, Part A: Vol. 53, No. 14, pp. Cited by: 1. Soil venting is a technique for remediation of soils contaminated by NAPLs (non aqueous phase liquids, often called VOCs, i.e., volatile organic compounds).

During the operation of soil venting systems the vapor phase of the nonaqueous phase liquid NAPL is being removed by imposing a convective air stream and thus enhancing the evaporation of the fluid phase of the NAPL in contaminated regions of the soil.

The various NAPLs tested in the laboratory experiments were tetrachloroethylene (PCE), trichloroethylene (TCE), jet fuel (JP4) and a dense nonaqueous phase liquid from a site at Hill Air Force Base, UT.

Both Ottawa sand and Hill field soil were used in these by: Overview of chosen techniques and methods for soils remediation contaminants from soil. Soil remediation is needed to clean and maintain high quality standards of soil, water and air that can.

Dense nonaqueous phase liquids (DNAPL) occur in the subsurface at numerous contaminated sites and can act as long-term sources of both vapor-phase and groundwater contamination.

A variety of column experiments have been completed for the purpose of selecting and evaluating suitable surfactants for remediation of nonaqueous phase liquids (NAPLs). The various NAPLs tested in the laboratory experiments were tetrachloroethylene. Flow of Nonaqueous Phase Liquid Bibliography Questions and Problems Chapter 4 Legal, Economical, and Risk Assessment Considerations Soil and Groundwater Protection Laws Relevant Soil and Groundwater Laws in the United States Safe Drinking Water Act Resource Conservation and Recovery Act.

The book also deals with problem areas such as the transport of organisms, oxygen, or nutrients throughout the subsurface, as well as biodegradation of polynuclear aromatic hydrocarbons (PAHs) and nonaqueous phase liquids (NAPLs).

In addition, the book. The Water Research Institute at the Technion (Israel Institute of Technology) is proud to have initiated and sponsored the International Workshop "Soil and Aquifer Pollution: Non-Aqueous Phase Liquids - Contamination and Recla- tion", held May 13thth,on the Technion campus in : Judith Rubin, Hillel; Narkis, Nava; Carberry, Judith, Rubin, Hillel; Narkis, Nava; Carberry.

Nonaqueous phase liquids (NAPLs) are hydrocarbons that exist as a separate, immiscible phase when in contact with water and/or air. Differences in the physical and chemical properties of water and NAPL result in the formation of a physical interface between the liquids which prevents the two fluids from mixing.

Nonaqueous phase liquids are. Can thermal soil remediation be sustainable. A case study of the environmental merit of the remediation of a site contaminated by a light non-aqueous phase liquid (LNAPL) Valérie Cappuyns a, Diederik Bouckenooghe a, Lien van Breuseghem a & Samuel van Herreweghe b a Center for Economics and Corporate Sustainability (CEDON).

Soil vapor extraction is a popular soil remediation technology that is hampered by less than optimal performance in the field due to mass transfer limitations. Therefore, laboratory column venting experiments were completed to quantify mass transfer limitations for the removal of multicomponent nonaqueous phase liquid (NAPL) contaminants from a.

In situ chemical oxidation (ISCO) is one of the effective technologies used for source zone remediation of dense nonaqueous phase liquids (DNAPLs) such as chlorinated solvents in the subsurface environments. In karst systems, DNAPL source zones reside in epikarst where the contaminant is generally trapped in the soil or at the carbonate bedrock by: Dense nonaqueous phase liquids (DNAPLs) are chemicals or mixtures of chemicals that have two major characteristics in common: they are heavier than water, and they are only slightly soluble in water.

Both DNAPL soil residuals, which are the most common form of contamination/spill encountered, EPA's Office of Research and Development. Soil and Groundwater Contamination: Nonaqueous Phase Liquids Soil and Groundwater Contamination: Nonaqueous Phase Liquids Andrew Ramsburg, C.; Abriola, Linda M.

Laura L. Sanders, Book Editor Research over the past two decades has greatly increased the body of knowledge pertaining to persistence, migration, and treatment of non–aqueous phase liquids.

This paper presents an experimental study on mixed soil contamination, more specifically on heavy metal behaviour in soil contaminated by residual non-aqueous phase liquids (NAPLs). Remediation of mixed contaminated sites is a complex technical goal because of the presence of physically and chemically different contaminants and potential Cited by: 4.COVID Resources.

Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.