4 edition of Surfactants and cosolvents for NAPL remediation found in the catalog.
Includes bibliographical references (p. 191-204) and index.
|Statement||edited by Donald F. Lowe, Carroll L. Oubre, C. Herb Ward ; authors, Thomas Simpkin ... [et al.].|
|Contributions||Lowe, Donald F., Oubre, Carroll L., Ward, C. H. 1933-, Simpkin, Thomas J.|
|LC Classifications||TD878 .S853 1999|
|The Physical Object|
|Pagination||xxvii, 412 p. :|
|Number of Pages||412|
|LC Control Number||98024753|
Surfactants can enhance the removal of nonaqueous-phase-liquids (NAPLs) from porous media by two very different mechanisms: (1) increased solubilization that occurs in the presence of surfactant micelles and (2) mobilization of NAPL ganglia held by capillary forces. Solubilization technologies pose less risk of uncontrolled NAPL migration and are less complex to design. We have added several new and significant capabilities to UTCHEM to make it into a general-purpose NAPL simulator. The simulator is now capable of modeling transient and steady-state three-dimensional flow and mass transport in the groundwater (saturated) and vadose (unsaturated) zones of aquifers. The model allows for change in fluid properties as a site is remediated; heterogeneous aquifer.
This work presents a review of surfactant-enhanced bioremediation of hydrophobic organic contaminants in the soil with a focus on ex situ method. Conventional strategies of disposal methods in secure landfill and incineration have become cost prohibitive and environmentally risky and do not restore the contaminated soil, whereas chemical and physical methods have shown very limited success and. books: Top: 1: Simpkin T., T. Sale, B. Kueper M. Pitts, and K. Wyatt, (), Surfactants and Cosolvents for NAPL Remediation: A Technology Practices Manual, ATDF.
Abstract. The development of improved methods for remediation of contaminated aquifers has emerged as a significant environmental priority. One technology that appears to have considerable promise involves the use of solubilization agents such as surfactants and cosolvents for enhancing the removal of residual phase immiscible liquids. This monograph details two technologies - surfactant/foam and single-phase microemulsion - selected for their potential to address the needed breakthroughs. Copiously illustrated with figures and tables, NAPL Removal: Surfactants, Foams, and Microemulsions takes you through the entire field demonstration : $
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Surfactants and Cosolvents for NAPL Remediation records the results of AATDF research. The manual is a guide to the practical application of surfactants/cosolvent for in situ remediation. It is targeted to decision makers and anyone concerned with the design or implementation of these by: Surfactants and Cosolvents for NAPL Remediation records the results of AATDF research.
The manual is a guide to the practical application of surfactants/cosolvent for in situ remediation. It is targeted to decision makers and anyone concerned with the design or. Buy Surfactants and Cosolvents for NAPL Remediation A Technology Practices Manual (AATDF Monograph Series) 1 by Lowe, Donald F., Oubre, Carroll L., Ward, C.
(ISBN: ) from Amazon's Book Store. Everyday low prices and free delivery on eligible : Donald F. Lowe, Carroll L. Oubre, C. Ward. Request PDF | Surfactants and cosolvents for NAPL remediation | Recovery and reuse of surfactants used in site remediation can substantially improve.
Surfactants and Cosolvents for NAPL Remediation A Technology Practices Manual by Donald F. Lowe,available at Book Depository with free delivery worldwide. In the context of aqueous pollutant remediation, cosolvents can be used in a variety Surfactants and cosolvents for NAPL remediation book functions, including to enhance the performance of surfactants, to increase solubility of a non-aqueous phase liquid (NAPL), and to physically mobilize NAPLs by decreasing interfacial tension between aqueous and organic phases.
Due to toxicological concerns, the main agents used for remediation are aqueous. Surfactants and Cosolvents for NAPL Remediation A Technology Practices Manual 1st Edition.
Donald F. Lowe, Carroll L. Oubre, C. Ward Ma A $ million Department of Defense grant to Rice University funds the Advanced Applied Technology Demonstration Facility (AATDF).
When removal of NAPL or sorbed compounds is the intent, anionic and/or nonionic surfactants are utilized, as loss of surfactant to the aquifer solids is minimized. Cationic, and to a lesser extent zwitterionic, surfactants strongly sorb to aquifer solids making them impractical for such uses.
Sev. Within the last decade, surfactant-enhanced aquifer remediation \(SEAR\), and more recently, in-situ chemical oxidation \(ISCO\) show promise for remediation of dense nonaqueous phase liquid \(DNAPL\) contamination in the subsurface.
DNAPL removal is typically difficult to achieve with one remedial technique; however, coupling of treatments can be a highly effective method for remediation of. C.L. Oubre's 8 research works with citations and reads, including: NAPL Removal Surfactants, Foams, and Microemulsions. Reuse of surfactants and cosolvents for NAPL remediation.
Boca Raton, Fla.: Lewis Publishers, © (OCoLC) Online version: Reuse of surfactants and cosolvents for NAPL remediation. Boca Raton, Fla.: Lewis Publishers, © (OCoLC) Document Type: Book: All Authors / Contributors.
Surfactants and Cosolvents for NAPL Remediation: A Technology Practices Manual by Lee S. Samuel and Sengupta Subrata | 1 January Hardcover. Find helpful customer reviews and review ratings for Surfactants and Cosolvents for NAPL Remediation A Technology Practices Manual (AATDF Monograph Series) at Read honest and unbiased product reviews from our users.4/5.
1. Introduction. Among the technologies developed for aggressive treatment of sites contaminated with non-aqueous phase liquid (NAPL) wastes is in-situ flushing with surfactants Londergan et al.,Jawitz et al.,Knox et al., ).Effectiveness of in-situ flushing has been demonstrated in several laboratory and field studies Boving and Brusseau,Dwarakanath et al.
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Surfactant soil washing was originally developed in petroleum recovery operations. Surfactants have potential for use in aquifer remediation of DNAPLs.
Several factors can influence the efficiency of soil flushing with surfactants. Groundwater that is too hard may be detrimental to the effectiveness of a surfactant.
Surfactants can adsorb onto. combined: in-situ surfactant flushing and mobile multi-phase high-vacuum extraction. Surfactants are designed to change the interfacial tension between the water and NAPL bodies and desorb the residual LNAPLs entrained in the soil matrix by micro-emulsifying the organic particles, and forming a.
Innovative Surfactant/Cosolvent Technologies for Removal of NAPL and Sorbed Contaminants from Aquifers under development which attempt to increase subsurface contaminant removal efficiencies through the addition of surfactants and/or cosolvents.
The rationale behind the use of these substances for improving groundwater contaminant removal. Wetting properties of synthetic surfactant Rokanol NL6, biosurfactant JBR and their mixture have been investigated. On the basis of these investigations, the ability of used surfactants to remove the synthetic base oil (PAO6) from sandy soil and clay loam was evaluated.
Surfactant solutions were applied for soil flushing in batch experiments. Surfactants and Cosolvents In situ flushing is commonly applied to contaminated sites using surfactants or cosolvents as the primary flushing agents. Surfactants (surface-active-agents) are chemical compounds frequently used in detergents and food products that alter the properties of solution interfaces.
Surfactants. surfactant mixture with the oxidant enabling concurrent dissolution and oxidation. The inherent properties of plant-oil based surfactants to resist immediate chemical oxidation is key to VeruTEK's ability to simultaneously transport the surfactant and oxidants through the subsurface and target NAPL contaminated zones.Surfactants and Cosolvents for NAPL Remediation A Technology Practices Manual (AATDF Monograph Series) by C.H.
Ward, W. Giger, P.L. McCarty. ISBN () Hardcover, CRC Press, Find This Book › Find signed collectible books: 'Surfactants and Cosolvents for NAPL Remediation A Technology Practices Manual.The EFS TM surfactant acts as the mobilizing surfactant once its hydrophilic-lipophilic balance (HLB) is adjusted to the cosolvent NAPL mixture for NAPL remediation.
Minimal use of EFC TM cosolvents followed by dilute EFS TM surfactants not only saves chemical and material costs but also dramatically shortens project timetables as compared to.