In Situ Electrokinetic Ek Soil Flushing For The Removal Of Pb From A Silt Clay Loam
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In Situ Electrokinetic Ek Soil Flushing For The Removal Of Pb From A Silt Clay Loam
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Author : John C. Thompson
language : en
Publisher:
Release Date : 1994
In Situ Electrokinetic Ek Soil Flushing For The Removal Of Pb From A Silt Clay Loam written by John C. Thompson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Electrokinetics categories.
Removal Of Contaminants From Fine Grained Soils Using Electrokinetic Ek Flushing Final Report September 30 1987 June 30 1993
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Author :
language : en
Publisher:
Release Date : 2005
Removal Of Contaminants From Fine Grained Soils Using Electrokinetic Ek Flushing Final Report September 30 1987 June 30 1993 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
Recently, attention has focused on developing cost effective techniques to remove inorganic contaminants from soils in-situ. For most in-situ techniques hydraulic pressure is used to disperse the chemical additives and collect the contaminated groundwater. In-situ treatment technologies have had success at sites containing sandy soils but have not shown much promise for soils with large amounts of clay and silt. This is due primarily to difficulty in transporting groundwater, contaminants, and chemical additives through the subsurface. Unfortunately, soils high in clay and silt are known to sequester large quantities of inorganic and organic contaminants. Thus, soils having low hydraulic conductivity's are generally efficient in sequestering pollutants but are resistant to standard in-situ remediation techniques because of the difficulty in transporting groundwater and contaminants. A candidate technology for the in-situ remediation of low permeability soils is electrokinetic (EK) soil flushing. In EK soil flushing, groundwater and contaminants are transported under an a plied voltage. The transport of groundwater electroosmotically does not depend directly on the soil's hydraulic conductivity. Thus, soils that would otherwise require excavation and treatment can be remediated in-situ if electrokinetics is used as the driving force for liquid and contaminant transport. This report details the results from work conducted on the use of EK soil flushing to remediate a fine grained soil contaminated with lead. The first portion of the experimental work entailed soil collection and characterization, soil adsorption and desorption of lead, and EK reactor construction and testing. The second phase of the research consisted of investigating the efficacy of using EK soil flushing on an actual soil using bench-scale EK reactors. For the second phase of the research the affect of initial conditions on the efficiency of EK soil flushing was studied.
Removal Of Lead From Soils By Electrokinetic Treatment
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Author : Hao-Chun Hung
language : en
Publisher:
Release Date : 2002
Removal Of Lead From Soils By Electrokinetic Treatment written by Hao-Chun Hung and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
Removal Of Nickel And Lead From Natural Clay Soil Through The Introduction Of Edta And Coupling Ion Exchange Processes With Electrokinetic Methodology
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Author :
language : en
Publisher:
Release Date : 1998
Removal Of Nickel And Lead From Natural Clay Soil Through The Introduction Of Edta And Coupling Ion Exchange Processes With Electrokinetic Methodology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Removal Of Contaminants From Fine Grained Soils Using Electrokinetic Ek Flushing
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Author : Brian E. Reed
language : en
Publisher:
Release Date : 1993
Removal Of Contaminants From Fine Grained Soils Using Electrokinetic Ek Flushing written by Brian E. Reed and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Inorganic compounds categories.
Electrokinetic Soil Flushing To Remediate Lead Contaminated Soils
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Author : Jarrod H. Hatfield
language : en
Publisher:
Release Date : 1994
Electrokinetic Soil Flushing To Remediate Lead Contaminated Soils written by Jarrod H. Hatfield and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Electrokinetics categories.
In Situ Soil Flushing Of A Sandy Loam Contaminated With Pb Ii Pbso4 Pbco3 Or Pb Naphthalene
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Author : Roderic Eugene Moore
language : en
Publisher:
Release Date : 1994
In Situ Soil Flushing Of A Sandy Loam Contaminated With Pb Ii Pbso4 Pbco3 Or Pb Naphthalene written by Roderic Eugene Moore and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Lead abatement categories.
Electrokinetic Process In Soil Remediation For Lead Removal
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Author : Yee Sern Ng
language : en
Publisher:
Release Date : 2016
Electrokinetic Process In Soil Remediation For Lead Removal written by Yee Sern Ng and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Electrokinetics categories.
Pollution Abstracts
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Author :
language : en
Publisher:
Release Date : 1996
Pollution Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Air categories.
Indexes material from conference proceedings and hard-to-find documents, in addition to journal articles. Over 1,000 journals are indexed and literature published from 1981 to the present is covered. Topics in pollution and its management are extensively covered from the standpoints of atmosphere, emissions, mathematical models, effects on people and animals, and environmental action. Major areas of coverage include: air pollution, marine pollution, freshwater pollution, sewage and wastewater treatment, waste management, land pollution, toxicology and health, noise, and radiation.
Development Of A Hybrid Electrokinetic System For The Simultaneous Removal Of Heavy Metals And Pahs From Clayey Soil
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Author : Mansour Hakimipour
language : en
Publisher:
Release Date : 2001
Development Of A Hybrid Electrokinetic System For The Simultaneous Removal Of Heavy Metals And Pahs From Clayey Soil written by Mansour Hakimipour and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Clay soils categories.
Several industrial and municipal areas in North America are contaminated with heavy metals and petroleum products. This mixed contamination presents a particularly difficult task for remediation when dealing with clayey soil. The objective of this research was to develop a method to clean mixed contaminated clayey soils. A lab scale multifunctional hybrid electrokinetic method was investigated. Clayey soil, contaminated with lead (555 ppm), nickel (555 ppm) and phenanthrene (600 ppm), was subjected to simultaneous removal using an electrokinetic system. The electrokinetic surfactant supply system was applied to mobilize, transport and remove phenanthrene. A chelation agent (EDTA) was electrokinetically supplied to mobilize heavy metals. These supplied liquids were introduced in various sequences and at different periods in order to optimize the removal of both types of contaminants. The studies were performed on 8 lab scale electrokinetic cells connected to a DC power supply to achieve a voltage gradient of 0.3 V/cm. In order to avoid some negative impacts associated with electrokinetic processes, ion exchange textiles (IET) were incorporated into the system. Electrical parameters, pH, volume supplied and volume discharged were monitored continuously during each experiment. At the end of the tests, the soil and catholyte were subjected to physico-chemical analysis. Results showed that the optimal average simultaneous removal was 85% for lead, 84% for nickel, and 74% for phenanthrene. The highest local removals achieved for lead, nickel and phenanthrene were 96%, 95%, and 84% respectively. For the optimal removal conditions the consumption of energy was 28.4 kWh/m 3 . However, the hybrid method can achieve a two-fold decrease in energy consumption. The results of this study can be applied as an in-situ hybrid electrokinetic technology for the remediation of clayey sites contaminated with petroleum products and heavy metals, (e.g. Manufacture Gas Plant Sites).