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Demonstration Test And Evaluation Of Ultraviolet Ultraviolet Catalyzed Peroxide Oxidation For Groundwater Remediation At Oak Ridge K 25 Site Final Report March 16 1993 March 16 1994
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Book Synopsis Demonstration Test and Evaluation of Ultraviolet/Ultraviolet Catalyzed Peroxide Oxidation for Groundwater Remediation at Oak Ridge K-25 Site. Final Report [March 16, 1993--March 16, 1994]. by :
Download or read book Demonstration Test and Evaluation of Ultraviolet/Ultraviolet Catalyzed Peroxide Oxidation for Groundwater Remediation at Oak Ridge K-25 Site. Final Report [March 16, 1993--March 16, 1994]. written by and published by . This book was released on 1994 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: We demonstrated, tested and evaluated a new ultraviolet (UV) lamp integrated with an existing commercial technology employing UV catalyzed peroxide oxidation to destroy organics in groundwater at an Oak Ridge K-25 site. The existing commercial technology is the perox-pure{trademark} process of Peroxidation Systems Incorporated (PSI) that employs standard UV lamp technology to catalyze H2O2 into OH radicals, which attack many organic molecules. In comparison to classical technologies for remediation of groundwater contaminated with organics, the perox-pure{trademark} process not only is cost effective but also reduces contaminants to harmless by-products instead of transferring the contaminants from one medium to another. Although the perox-pure{trademark} process is cost effective against many organics, it is not effective for some organic contaminants of interest to DOE such as TCA, which has the highest concentration of the organics at the K-25 test site. Contaminants such as TCA are treated more readily by direct photolysis using short wavelength UV light. WJSA has been developing a unique UV lamp which is very efficient in the short UV wavelength region. Consequently, combining this UV lamp with the perox-pure{trademark} process results in a means for treating essentially all organic contaminants. In the program reported here, the new UV lamp lifetime was improved and the lamp integrated into a PSI demonstration trailer. Even though this UV lamp operated at less than optimum power and UV efficiency, the destruction rate for the highest concentration organic (TCA) was more than double that of the commercial unit. An optimized UV lamp may double again the destruction rate; i.e., a factor of four greater than the commercial system. The demonstration at K-25 included tests with (1) the commercial PSI system, (2) the new UV lamp-based system and (3) the commercial PSI and new UV lamp systems in series.
Book Synopsis Environmental Technologies and Trends by : Ravi K. Jain
Download or read book Environmental Technologies and Trends written by Ravi K. Jain and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manuscript was made possible by the exceptional support provided by INSA (Institut National des Sciences Appliquees) Toulouse, the University of New Mexico and the University of Cincinnati College of Engineering. The authors, as listed in this book, took the time to prepare excellent manuscripts focusing on scientific and technical areas relevant to emerging environmental issues. These manuscripts were rigorously reviewed and refereed by scientists and engineers before inclusion in this book. An introductory chapter was prepared to summarize and integrate technical issues covered and the last chapter was written to present policy perspectives. The editors are most grateful to the contributors, sponsor organizations, and many colleagues who were kind enough to assist us in making this manuscript possible. Background information about the editors, principal authors and other contributor:s to this manuscript follows. Editors Professor Dr. Ravi K. Jain Associate Dean for Research and International Engineering College of Engineering University of Cincinnati Mail Location 0018 Cincinnati OH 45221-0018 U.S.A.
Book Synopsis Demonstration Test and Evaluation of Ultraviolet/ultraviolet Catalyzed Peroxide Oxidation for Groundwater Remediation at Oak Ridge K-25 Site by :
Download or read book Demonstration Test and Evaluation of Ultraviolet/ultraviolet Catalyzed Peroxide Oxidation for Groundwater Remediation at Oak Ridge K-25 Site written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In the UItraviolet/Ultraviolet Catalyzed Groundwater Remediation program, W.J. Schafer Associates, Inc. (WJSA) demonstrated, tested and evaluated a new ultraviolet (UV) lamp integrated with an existing commercial technology employing UV catalyzed peroxide oxidation to destroy organics in groundwater at an Oak Ridge K-25 site. The existing commercial technology is the perox-pure[trademark] process of Peroxidation Systems Incorporated (PSI) that employs standard UV lamp technology to catalyze H[sub 2]O[sub 2] into OH radicals, which attack many organic molecules. In comparison to classical technologies for remediation of groundwater contaminated with organics, the perox-pure[trademark] process not only is cost effective but also reduces contaminants to harmless by-products instead of transferring the contaminants from one medium to another (such as in activated carbon or air stripping). Although the perox-pure[trademark] process is cost effective against many organics, it is not effective for some organic contaminants of interest to DOE such as TCA, which has the highest concentration of the organics at the K-25 test site. Contaminants such as TCA are treated more readily by direct photolysis using short wavelength UV light. WJSA has been developing a unique UV lamp which is very efficient in the short UV wavelength region. Consequently, combining this UV lamp with the perox-pure[trademark] process results in a means for treating essentially all organic contaminants. In the program reported here, the new UV lamp lifetime was improved and the lamp integrated into a PSI demonstration trailer. Even though this UV lamp operated at less than optimum power and UV efficiency, the destruction rate for the TCA was more than double that of the commercial unit. An optimized UV lamp may double again the destruction rate; i.e., a factor of four greater than the commercial system.
Download or read book Acid Precipitation written by and published by . This book was released on 1994 with total page 1044 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994-08 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1994 with total page 1028 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ultraviolet/chemical Oxidation Treatment of RDX-contaminated Waters at Picatinny Arsenal by : Elizabeth C. Fleming
Download or read book Ultraviolet/chemical Oxidation Treatment of RDX-contaminated Waters at Picatinny Arsenal written by Elizabeth C. Fleming and published by . This book was released on 1995 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Ultraviolet Oxidation (UV/Ox) Methods for the Remediation of Explosives Contaminated Groundwater by :
Download or read book Evaluation of Ultraviolet Oxidation (UV/Ox) Methods for the Remediation of Explosives Contaminated Groundwater written by and published by . This book was released on 1995 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary objective of this task was to evaluate the technical-and cost effectiveness of advanced oxidation processes (AOP), specifically UV/Oxidation (UVIOX) in remediating groundwaters containing 2,4,6-trinitrotoluene (TNT) and other nitroaromatics by performing a pilot-scale demonstration. In addition to evaluating the effectiveness of UV/OX methods, USAEC wanted to identify the cost parameters associated with each of the commercially available processes for the treatment of explosives and assess the adequacy of bench-scale testing data for predicting full-scale equipment requirements. All four of the UV/OX processes evaluated achieved the treatment criteria for mT and mB on one or more days of the demonstration. There was considerable variation in the consistency with which the processes met these criteria, It was also concluded that, based on this demonstration, routine bench-scale testing is inadequate for providing sufficient data for accurate design, siting, and costing for full-scale UV/OX systems for remediating explosives-contaminated groundwater.
Book Synopsis Advanced Oxidation Processes for Water Treatment by : Mihaela I. Stefan
Download or read book Advanced Oxidation Processes for Water Treatment written by Mihaela I. Stefan and published by IWA Publishing. This book was released on 2017-09-15 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Oxidation Processes (AOPs) rely on the efficient generation of reactive radical species and are increasingly attractive options for water remediation from a wide variety of organic micropollutants of human health and/or environmental concern. Advanced Oxidation Processes for Water Treatment covers the key advanced oxidation processes developed for chemical contaminant destruction in polluted water sources, some of which have been implemented successfully at water treatment plants around the world. The book is structured in two sections; the first part is dedicated to the most relevant AOPs, whereas the topics covered in the second section include the photochemistry of chemical contaminants in the aquatic environment, advanced water treatment for water reuse, implementation of advanced treatment processes for drinking water production at a state-of-the art water treatment plant in Europe, advanced treatment of municipal and industrial wastewater, and green technologies for water remediation. The advanced oxidation processes discussed in the book cover the following aspects: - Process principles including the most recent scientific findings and interpretation. - Classes of compounds suitable to AOP treatment and examples of reaction mechanisms. - Chemical and photochemical degradation kinetics and modelling. - Water quality impact on process performance and practical considerations on process parameter selection criteria. - Process limitations and byproduct formation and strategies to mitigate any potential adverse effects on the treated water quality. - AOP equipment design and economics considerations. - Research studies and outcomes. - Case studies relevant to process implementation to water treatment. - Commercial applications. - Future research needs. Advanced Oxidation Processes for Water Treatment presents the most recent scientific and technological achievements in process understanding and implementation, and addresses to anyone interested in water remediation, including water industry professionals, consulting engineers, regulators, academics, students. Editor: Mihaela I. Stefan - Trojan Technologies - Canada
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Book Synopsis Alternatives for Managing the Nation's Complex Contaminated Groundwater Sites by : National Research Council
Download or read book Alternatives for Managing the Nation's Complex Contaminated Groundwater Sites written by National Research Council and published by National Academies Press. This book was released on 2013-02-27 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: Across the United States, thousands of hazardous waste sites are contaminated with chemicals that prevent the underlying groundwater from meeting drinking water standards. These include Superfund sites and other facilities that handle and dispose of hazardous waste, active and inactive dry cleaners, and leaking underground storage tanks; many are at federal facilities such as military installations. While many sites have been closed over the past 30 years through cleanup programs run by the U.S. Department of Defense, the U.S. EPA, and other state and federal agencies, the remaining caseload is much more difficult to address because the nature of the contamination and subsurface conditions make it difficult to achieve drinking water standards in the affected groundwater. Alternatives for Managing the Nation's Complex Contaminated Groundwater Sites estimates that at least 126,000 sites across the U.S. still have contaminated groundwater, and their closure is expected to cost at least $110 billion to $127 billion. About 10 percent of these sites are considered "complex," meaning restoration is unlikely to be achieved in the next 50 to 100 years due to technological limitations. At sites where contaminant concentrations have plateaued at levels above cleanup goals despite active efforts, the report recommends evaluating whether the sites should transition to long-term management, where risks would be monitored and harmful exposures prevented, but at reduced costs.
Book Synopsis Arsenic Treatment Technologies for Soil, Waste, and Water by :
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Author :United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) Publisher :United Nations ISBN 13 :9210600029 Total Pages :512 pages Book Rating :4.2/5 (16 download)
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Book Synopsis Solid Waste Disposal at the Knolls Atomic Power Laboratory by : N. J. Hawkins
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Book Synopsis Oak Ridge National Laboratory by : Leland Johnson
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