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Author : K. M. Jerome
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (473 download)
Download or read book Final Report for Demonstration of in Situ Oxidation of DNAPL Using the Geo-cleanse Technology written by K. M. Jerome and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 75 pages
Book Rating : 4.:/5 (684 download)
Download or read book Final Report for Demonstration of in Situ Oxidation of DNAPL Using the Geo-Cleanse Technology written by and published by . This book was released on 1997 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: At large industrial sites like the A/M Area of the Savannah River Site (SRS), undissolved dense non-aqueous phase liquid (DNAPL) in soil and groundwater is the most significant barrier to successful clean up. DNAPL acts as a reservoir that will continue to generate contaminant levels far above remediation concentration goals well into the future.
Author :
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (31 download)
Download or read book Field Applications of In Situ Remediation Technologies written by and published by . This book was released on 1998 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Approximately 85% of the hazardous waste sites in the United States have contaminated ground water. The conventional approach for remediating contaminated ground water has been to extract the contaminated water, treat it above ground, and reinject or discharge the clean water ("pump- and-treat"). The recovered contaminants must be disposed of separately. It is becoming increasingly apparent that pump-and-treat technologies require considerable investment over extended period of time, and often times do not actually clean up the source of the contamination. Current policies and law stress "permanent" remedies over containment. Consequently, there is considerable interest and effort being expended on alternative, innovative treatment technologies for contaminated ground water. This report is one in a series that document recent pilot demonstrations and full-scale applications that either treat soil and ground water in place or increase the solubility and mobility of contaminants to improve their removal by other remediation technologies. It is hoped that this information will allow more regular consideration of new, less costly, and more effective technologies to address the problems associated with hazardous waste sites and petroleum.
Author : Kathleen Sellers
Publisher : Routledge
ISBN 13 : 1351446533
Total Pages : 340 pages
Book Rating : 4.3/5 (514 download)
Download or read book Fundamentals of Hazardous Waste Site Remediation written by Kathleen Sellers and published by Routledge. This book was released on 2018-10-03 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Every practicing environmental engineer should already have a firm grasp on the basics of hazardous waste site remediation-the key to confronting a site problem, and devising an effective solution. Since their original introduction to remediation, technology has kept moving ahead with new ideas and procedures. Fundamentals of Hazardous Waste Site Remediation gives environmental professionals immediate access to the basics of the trade, along with information about recent advancements. This comprehensive overview examines the basics of such areas as hazardous materials chemistry, hydrogeology, reaction engineering, and clean-up level development. A chapter on Cost Estimating will be of particular interest to specialists, in light of recent concerns about the increased costs of remediation. After reading each chapter, test your new knowledge with the review problems. As a refresher guide for career environmental engineers, or a helpful tool to newcomers in the field, Fundamentals of Hazardous Waste Site Remediation is a valuable resource for longtime professionals and newcomers alike.
Author : Piet Lens
Publisher : IWA Publishing
ISBN 13 : 1843391007
Total Pages : 545 pages
Book Rating : 4.8/5 (433 download)
Download or read book Soil and Sediment Remediation written by Piet Lens and published by IWA Publishing. This book was released on 2005-09-30 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soil and Sediment Remediation discusses in detail a whole set of remediative technologies currently available to minimise their impact. Technologies for the treatment of soils and sediments in-situ (landfarming, bioscreens, bioventing, nutrient injection, phytoremediation) and ex-situ (landfarming, bio-heap treatment, soil suspension reactor) will be discussed. The microbiological, process technological and socio-economical aspects of these technologies will be addressed. Special attention will be given to novel biotechnological processes that utilise sulfur cycle conversions, e.g. sulfur and heavy metal removal from soils. Also the potential of phytoremediation will be highlighted. In addition, treatment schemes for the clean-up of polluted megasites, e.g. harbours and Manufactured Gaswork Plants (MGP), will be elaborated. The aim of Soil and Sediment Remediation is to introduce the reader in: the biogeochemical characteristics of soil and sediments- new techniques to study soil/sediment processes (molecular probes, microelectrodes, NMR) clean up technologies for soils polluted with organic (PAH, NAPL, solvents) or inorganic (heavy metals) pollutants- preventative and remediative strategies and technologies available in environmental engineering novel process applications and bioreactor designs for bioremediation the impact of soil pollution on society and its economic importance.
Author :
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (684 download)
Download or read book Test Plan for Geo-Cleanse{reg_sign} Demonstration (in Situ Destruction of Dense Non-aqueous Phase Liquid (DNAPL)). written by and published by . This book was released on 1996 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soils and groundwater beneath an abandoned process sewer line in the A/M Area of the Savannah River Site (SRS) contain elevated levels of volatile organic compounds, specifically trichloroethylene (TCE) and tetrachloroethylene (PCE), two common chlorinated solvents. These compounds have low aqueous solubilities, thus when released to the subsurface in sufficient quantity, tend to exist as immiscible fluids or nonaqueous phase liquids (NAPLs). Because chlorinated solvents are also denser than water, they are referred to by the acronym DNAPLs, or dense non-aqueous phase liquids. Technologies targeted at the efficient characterization or removal of DNAPL are not currently proven. For example, most DNAPL studies rely on traditional soil and water sampling and the fortuitous observation of immiscible solvent. Once DNAPL is identified, soil excavation (which is only applicable to small contained spill sites) is the only proven cleanup method. New cleanup approaches based on destruction of DNAPL either in situ or ex situ have been proposed and tested at the pilot scale. The proposed demonstration, as described in this report will evaluate the applicability to DNAPL plumes of a technology proven for in situ destruction of light non-aqueous phase liquids (LNAPLs) such as oils.
Author :
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (684 download)
Download or read book Field Demonstration In Situ Fenton's Destruction of DNAPLS. written by and published by . This book was released on 1998 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collaborative effort between Geo-Cleanse International, Inc. and WSRC in 1997 resulted in demonstration of in situ oxidation based on Fenton's chemistry.
Author : Royal Society of Chemistry (Great Britain)
Publisher : Royal Society of Chemistry
ISBN 13 : 1849731942
Total Pages : 247 pages
Book Rating : 4.8/5 (497 download)
Download or read book Nuclear Power and the Environment written by Royal Society of Chemistry (Great Britain) and published by Royal Society of Chemistry. This book was released on 2011 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reviews the political and social context for nuclear power generation, the nuclear fuel cycles and their implications for the environment.
Author : Godage B. Wickramanayake
Publisher :
ISBN 13 :
Total Pages : 532 pages
Book Rating : 4.3/5 (91 download)
Download or read book Physical, Chemical, and Thermal Technologies written by Godage B. Wickramanayake and published by . This book was released on 1998 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: - Thermal Desorption- In Situ Thermal Technologies- Plasma Technologies- In Situ Steam Processes- Soil Vapor Extraction/Multiphase Extraction- Enhancements to Pump-and-Treat-Systems- Groundwater Circulating Wells- Air Sparging- Dehalogenation Technologies- Oxidation Technologies- Photo-, Electro-, and Catalytic Mechanisms.
Author : Andrea Leeson
Publisher :
ISBN 13 :
Total Pages : 354 pages
Book Rating : 4.3/5 (91 download)
Download or read book Engineered Approaches for in Situ Bioremediation of Chlorinated Solvent Contamination written by Andrea Leeson and published by . This book was released on 1999 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sites contaminated with chlorinated compounds pose health risks and are challenging and often expensive to treat in the field. This volume brings together the most up-to-date laboratory findings and the latest full-scale results from bioremediation efforts at actual field sites. Engineering approaches discussed include biobarriers, cometabolism, bioaugmentation, in situ oxidation, Fenton's Reagent, in situ bioremediation, and more.
Author :
Publisher :
ISBN 13 :
Total Pages : 434 pages
Book Rating : 4.E/5 ( download)
Download or read book Soil & Groundwater Cleanup written by and published by . This book was released on 1997 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher :
ISBN 13 :
Total Pages : 93 pages
Book Rating : 4.:/5 (574 download)
Download or read book Remediation of DNAPL Through Sequential In Situ Chemical Oxidation and Bioaugmentation written by and published by . This book was released on 2009 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: The principal benefit of in situ chemical oxidation (ISCO) using permanganate (MnO4)is that it aggressively enhances dissolution and destruction of the target contaminants within a relatively short period of time (i.e., months to years); however, the cost-benefit of this technology diminishes as the mass of target chemicals decreases. The most effective application of ISCO consists of rapid destruction of the readily accessible target chemical mass within the source area, although it can also be coupled with a less costly, in situ remediation mass removal technology such as in situ bioremediation (ISB). The main objectives of this project was to assess the technical feasibility of sequential application of these technologies and to identify the optimal timing of the transition from ISCO to ISB. The principal results of the project include: 1. Electron donor addition (ISB) after ISCO resulted in partial biodegradation of trichloroethene (TCE), with complete biodegradation observed after bioaugmentation;? 2. At the field-scale, ISB did not increase the mass flux of chloroethenes after ISCO; 3. The precipitated manganese dioxide produced by MnO4 - reduction, which can oxidize some organic compounds, did not abiotically degrade any of the chloroethenes or ethene; 4. Manganese dioxide (MnO2) greatly increases the electron donor demand above that typically required to reduced the dissolved constituents (e.g., oxygen, nitrate, sulfate, and the target chloroethenes) during ISB; 5. MnO2 can be dissolved by the activity of Mn(IV)- reducing bacteria, that appear to preferentially utilize hydrogen and inhibit the activity of dechlorinating microorganisms (i.e., Dehalococcoides, which use hydrogen as their sole electron donor); and 6. The limited cost assessment indicated that there was a significant cost and schedule advantage for the sequential treatment strategy over using pump and treat or ISCO alone.
Author : Robert L. Siegrist
Publisher :
ISBN 13 :
Total Pages : 376 pages
Book Rating : 4.3/5 (91 download)
Download or read book Principles and Practices of in Situ Chemical Oxidation Using Permanganate written by Robert L. Siegrist and published by . This book was released on 2001 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: - Chapter 1: An overview of chemical oxidation including its development and application for in situ treatment of contaminated sites. The oxidation chemistry of Fenton's reagent, permanganate, and ozone are highlighted along with optional methods of oxidant delivery for in situ application. The results of lab-and field-scale applications are summarized.- Chapter 2: A description of the principles and processes of chemical oxidation using potassium or sodium permanganate for organic chemical degradation, including reaction stoichiometry, equilibria, and kinetics, as well as the effects of environmental factors.- Chapter 3: Information provided on the effects of permanganate on the behavior of metals.- Chapter 4: A discussion of the potential for permeability loss and other secondary effects during in situ oxidation using permanganate.- Chapter 5: A description of optional methods of oxidant delivery for in situ remediation.- Chapter 6: A description of a process for evaluation, design, and implementation of permanganate systems.- Chapter 7: A detailed description of five different applications of an in situ chemical oxidation using potassium or sodium permanganate.- Chapter 8: Highlights of the current status and future directions of this remediation technology.
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (946 download)
Download or read book Demonstration of ISCO Treatment of a DNAPL Source Zone at Launch Complex 34 in Cape Canaveral Air Station written by and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dense, nonaqueous-phase liquid contaminants are a challenge to characterize and remediate at many sites where such contaminants have entered the aquifer due to past use of disposal practices. Chlorinated solvents are common DNPL contaminates at sites where operations, such as aircraft maintenance, dry cleaning, and metal finishing have historically occurred. In the past, because of the difficulty in identifying the DNAPL source zone, most remediation efforts focused on controlling the migration of the dissolved chlorinated volatile organic compounds plume. Recently, many sites owners have had success in locating DNAPL sources. DNAPL source remediation is beneficial because once the source has been significantly mitigated, the strength and duration of the resulting plume can potentially be lowered. The goal of the project is to evaluate the technical and cost performance of chemical oxidation technology for remediation of DNAPL source zones. This innovative technology is based on the ability of strong oxidants to react with and destroy several types of DNAPL contaminants. Treatment of chlorinated volatile organic compounds with oxidants has been used historically for drinking water and wastewater treatment, but the in situ use of these oxidants for DNAPL source treatment is relatively new. The chemical oxidation demonstration is part of a larger demonstration of three different DNAPL remediation technologies being conducted.
Author :
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (684 download)
Download or read book Fenton's Reagent. Innovative Technology Summary Report written by and published by . This book was released on 1999 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Fenton's Reagent DNAPL treatment process is an in situ oxidation method to destroy DNAPLs in groundwater. Residual industrial solvents, primarily Dense Non-Aqueous Phase Liquids (DNAPLs), are currently the most significant barrier to successful completion of most large groundwater and soil cleanup efforts. DNAPL pools and residues slowly dissolve into surrounding groundwater to create large plumes of organic solvent contamination with concentration levels far above regulatory limits.
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (946 download)
Download or read book Chemical Oxidation of a DNAPL Source Zone at Launch Complex 34 in Cape Canaveral Air Station written by and published by . This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dense, nonaqueous-phase liquid contaminants are a challenge to characterize and remediate at many sites where such contaminants have entered the aquifer due to past use of disposal practices. Chlorinated solvents are common DNPL contaminates at sites where operations, such as aircraft maintenance, dry cleaning, and metal finishing have historically occurred. In the past, because of the difficulty in identifying the DNAPL source zone, most remediation efforts focused on controlling the migration of the dissolved chlorinated volatile organic compounds plume. Recently, many sites owners have had success in locating DNAPL sources. DNAPL source remediation is beneficial because once the source has been significantly mitigated; the strength and duration of the resulting plume can potentially be lowered. The goal of the project is to evaluate the technical and cost performance of ISCO technology for remediation of DNAPL source zones. This innovative technology is based on the ability of strong oxidants to react with and destroy several types of DNAPL contaminants. Treatment of chlorinated volatile organic compounds with oxidants has been used historically for drinking water and wastewater treatment, but the in situ use of these oxidants for DNAPL source treatment is relatively new. The ISCO demonstration is part of a larger demonstration of three different DNAPL remediation technologies being conducted.
Author : Robert L. Siegrist
Publisher : Springer Science & Business Media
ISBN 13 : 1441978267
Total Pages : 715 pages
Book Rating : 4.4/5 (419 download)
Download or read book In Situ Chemical Oxidation for Groundwater Remediation written by Robert L. Siegrist and published by Springer Science & Business Media. This book was released on 2011-02-25 with total page 715 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides comprehensive up-to-date descriptions of the principles and practices of in situ chemical oxidation (ISCO) for groundwater remediation based on a decade of intensive research, development, and demonstrations, and lessons learned from commercial field applications.
