Remediation technologies for soils and groundwater edition. Electro chemical remediation technologies ecrts are phenomena. Electrokinetic remediation dc electro thermal soil remediation the integration of dc electrical resistive heating, electroosmosis and insitu zerovalent iron reductive technologies for the remediation of clays and glacial tills contaminated with chlorinated solvents. Electrochemical remediation is a promising remediation technology for soils contaminated with inorganic, organic, and mixed contaminants. The applicability of electrical current based treatment for the. The applicability of these technologies for the remediation of contaminated soil is also discussed. Removal of total petroleum hydrocarbons from contaminated. Electrokinetic remediation of mercurycontaminated soils. Electrochemical remediation technologies for polluted soils, sediments. Process design and cost estimating of proven technologies march 20 chemical treatment technologies remediation technologies for soils and groundwater may 20.
Remediation technologies for soils and groundwater books. Twodimensional model for soil electrokinetic remediation of heavy metals. Reddy, claudio cameselle electrochemical remediation technologies for polluted soils, sediments and groundwater. Dependent on the properties of the soil, the diameter of the sphere of influence of a vlr well can extend for up to 20 metres. Contamination of sediments with heavy metals hms is a worldwide environmental issue, due to the negative ecological effects of hms. A directcurrent electric field is imposed on the contaminated soil to extract the contaminants by the combined mechanisms of electroosmosis, electromigration, andor electrophoresis. Physical treatment technologies remediation technologies. Theme description highly polluted sites are present all over the world and particularly in countries that, in the last years, have seen uncontrolled and unplanned economic development. An unmatched reference on electrochemical technologies for soil, sediment, and groundwater pollution remediation. In situ reduction of hexavalent chromium in groundwater and surface soil using acidified ferrous sulfate. The efficiency of metal removal and the electricity consumption in the electrokinetic treatment of soils largely depend on electric and physicochemical conditions. Application to a copper spiked kaolin, chemosphere, 542004.
Thus, electrokinetic remediation is a developing technology which intends to separate and extract radionuclides, heavy metals and organic contaminants from saturated or unsaturated soils, sludges, sediments and groundwater. Electrochemical technologies are emerging as important approaches for effective and efficient pollution remediation, both on their own and in concert with other remediation techniques. Epa625r99012, office of research and development, u. This committee report s extensive illustrations, tables, and case studies along with it s simple to follow writing style, makes it appropriate for.
Proprietary acdc converters produce a lowvoltage, lowamperage electrical field that polarizes the soil or sediment soil, causing. Laboratory experiments on electrochemical remediation of the. Remediation technologies for soils and groundwater may 20. Classification of soil remediation technologies 10 minutes 4. The use of electrochemical process as a pretreatment step to. Electrochemical treatment is a physicochemical treatment that has gained acceptance as an alternative method, for the remediation of organic contaminated soils comparing with the traditional methods as bioremediation and chemical oxidation. Surampalli, pascale champagne, say kee ong editors on. Sediments are an important component of aquatic ecosystems, impacting the transformation and transfer of hms in the environment. Thus, remediating sediments polluted by hms is a crucial activity within the full aquatic ecosystem remediation process. Remediation technologies for contaminated sites springer. Soils contaminated with organic substances is an important issue across europe. Ijerph free fulltext remediation of soil polluted by. The goal of electrokinetic remediation is to effect the migration of.
Download for offline reading, highlight, bookmark or take notes while you read electrochemical remediation technologies for polluted soils, sediments and. Electrochemical remediation technologies ecrts use a proprietary acdc electrical signal to mineralize organic compounds e. Electrochemical remediation technologies ecrts in situ. Currently, there are different remediation technologies for contaminated soils, but the selection of the best technology must be not only the treatment efficiency but also the energy consumption. Read electrochemical remediation technologies for polluted soils, sediments and groundwater. This method involves the application of direct current of low density to the contaminated site. The application of negative pressure causes upwell, water flushing the contaminated soil is enriched with contaminants and enters the well through the lower screen.
Recommended citation ferrarese, elisa and andreottola, gianni 2010 application of electrochemical techniques for the remediation of. Electrochemical remediation technologies for polluted soils, sediments and groundwater edited by reddy, k. Currently, there are different remediation technologies for contaminated soils, but the selection of the best technology must be not only the treatment. In an ideal case, depending on the type of contaminants on the site, naturally occurring microorganisms degrade organic compounds to carbon dioxide and water. Electrochemical processes for the remediation of wastewater. Environmental protection agency cincinnati, ohio 45268. Electrochemical remediation technologies for polluted soils, sediments and groundwater ebook written by krishna r. Potential electrokinetic remediation technologies of laboratory. Electrokinetic remediation is a useful technique for the removal of ionic contaminants in soils, sediments, sludges, and other solid porous matrixes. This paper included an experimental application that compared three methods of remediation of contaminated sites, based on electric fields. Special issue environmental remediation of soils and. Get your kindle here, or download a free kindle reading app. Remediation technologies for soils and groundwater.
Use of ironbased technologies in contaminated land and. Groundwater remediation technologies analysis center a national center providing information on groundwater reittediaiioiitechnologi. Welcome to gwrtac the groundwater remediation technologies analysis center gwrtac is a specialized national technology transfer and information center focusing on the important issue of groundwater. Due to the minimal environmental impact and low cost of implementation, biological remediation technologies have become increasingly popular during the last few years. Saice remediation technologies for soils and groundwater. Electrochemical remediation technologies for polluted soils, sediments and groundwater edited by krishna r. Ohio site summary presentation application of electrokinetic remediation. Treatability test for the implementation of a remediation technology 10 minutes 5. The thermodynamic conditions under which the lixiviant could be effective were. May 24, 20 remediation technologies for soils and groundwater. Mercury from anthropogenic activities is a pollutant that poses significant risks to humans and the environment.
Permeable reactive barriers prb as an alternative remedial option 15 minutes 7. Proceedings of the abiotic in situ technologies for groundwater remediation conference, dallas, report no. Application of electrochemical techniques for the remediation. Abstract direct current technologies dcts are remediation techniques for contaminated soil, in which an electrical field is created in the polluted medium by applying a lowvoltage direct. Electrochemical remediation technologies for polluted soils, sediments and groundwater krishna. Electrochemical remediation technologies for polluted soils, sediments and groundwater reddy, k. Electrochemical remediation technologies ecrts in situ remediation of contaminated marine sediments.
Decontamination of petroleumcontaminated soils using the. Research on progress in combined remediation technologies of heavy metal polluted sediment. The use of ironbased technologies in contaminated land and groundwater remediation is a rapidly developing field, with a range of techniques proposed which make use of iron as a reductant, or as a sorbent, which have been tested at various scales of application. Principles of electrokinetic remediation environmental science. In some areas, these are the main causes of pollution, or the second after contamination from waste disposal. A bhandari, r surampalli, p champagne, s ong, r tyagi publisher. Insitu remediation of soil, sediments, and groundwater. Remediation of multiply contaminated ground via permeable. Ottosen l m, hansen h k and jensen p e 2009 electrochemical remediation technologies for polluted soils, sediments, groundwater ed k r reddy and c. Electrochemical remediation technologies for polluted soils, sediments and groundwater provides a systematic and clear explanation of fundamentals, field. This evaluation was conducted between august 2002 and march 2003 in cooperation with the washington state department of ecology. Anolyte and catholyte solutions are circulated to deliver iron ions to anodes and to deliver peroxide ions to cathodes in the medium. Remediation technologies for soils and groundwater provides a comprehensive and thorough overview of conventional engineered processes and technologies used for the remediation of contaminated sites. Proprietary acdc converters produce a lowvoltage, lowamperage electrical field.
Electrochemical remediation technologies for polluted soils, sediments and groundwater, chapter 17, pp. Thus, remediating sediments polluted by hms is a crucial activity within the full aquatic ecosystem remediation process, and. This innovative technology evaulation report summarizes the results of the evaluation of the electrochemical remediation technologies ecrts process, developed by p2soil remediation, inc. Sponsored by the remediation technologies for soils and groundwater task committee of the environmental council of the environmental and water resources institute of asce. Physicochemical remediation technologies 20 minutes 6. Groundwater remediation technologies analysis center 615 william pitt way pittsburgh, pa 15238 412 8265511 800 3731973. Electrochemical remediation technologies for polluted soils, sediments and groundwater. Influence of coupled electrokineticphytoremediation on.
Download for offline reading, highlight, bookmark or take notes while you read electrochemical remediation technologies for polluted soils, sediments and groundwater. National risk management research laboratory office of research and development u. This report provides a comprehensive and thorough overview of conventional engineered processes and technologies used for the remediation of contaminated sites. In the methods, anodes and cathodes are provided in wells formed in the contaminated medium.
Aug 01, 2010 read electrochemical remediation technologies for polluted soils, sediments and groundwater. Electrochemical remediation technologies for polluted soils, sediments and groundwater krishna r. Mauro capocelli, researcher, university ucbm rome italy 1. Electrochemical remediation technologies for polluted. Electrochemical remediation technologies for polluted soils, sediments and groundwater provides a systematic and clear explanation of fundamentals, field applications, as well as opportunities and challenges in developing and implementing electrochemical remediation technologies. Disclosed are methods for electrochemically remediating soil, clay or other media contaminated with organic pollutants using fentons reagent. Request pdf electrochemical remediation technologies for polluted soils, sediments and groundwater introductionoverviewelectrochemical transport in bulk.
Electrochemical remediation technologies for polluted soils, sediments and groundwater book january 2009 with 1,177 reads how we measure reads. Electrochemical remediation technologies for polluted soils. Review of remediation technologies for sediments contaminated. The first pump determines the water quantity which circulates through the unsaturated zone. The management of contaminated land and groundwater is a major current environmental issue, where recent and historical industrial and urban activities have led to the presence of elevated concentrations of a wide range of contaminants in soils, sediments and surface and groundwaters, affecting the health of millions of people worldwide. Pdf electrochemical remediation technologies for polluted soils.
Aug 04, 2009 electrochemical remediation technologies for polluted soils, sediments and groundwater ebook written by krishna r. In this research, enhanced electrokinetic remediation of hgscontaminated soils using i2i lixiviant was investigated using benchscale electrokinetic cells. Remediation technologies for soils and groundwater alok bhandari, rao y. Abstract this innovative technology evaulation report summarizes the results of the evaluation of the electrochemical remediation technologies ecrts process, developed by p2soil remediation, inc. Written by leading authorities in their various areas, the text. Groundwater remediation technologies analysis center. Modeling edta enhanced electrokinetic remediation of lead contaminated soils, chemosphere, 60 2005. Electrokinetic remediation of zinc and copper contaminated. Electrokinetic treatment of contaminated marine sediments. Insitu remediation of mercurycontaminated soils, by electrokinetic or other means, is difficult because of the low solubility of mercury and its compounds. Insitu remediation of soil, sediments, and groundwater contaminated by hazardous substances author. This paper introduces the chemistry of mercury and its implications for in situ mercury. A directcurrent electric field is imposed on the contaminated soil to extract the contaminants by the combined mechanisms of electroosmosis, electromigration, and or electrophoresis.
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