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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Journal of Soil and Groundwater Environment
Journal Basic Information
Journal DOI :
Korean Society of Soil and Groundwater Environment
Editor in Chief :
Volume & Issues
Volume 14, Issue 6 - Dec 2009
Volume 14, Issue 5 - Oct 2009
Volume 14, Issue 4 - Aug 2009
Volume 14, Issue 3 - Jun 2009
Volume 14, Issue 2 - Apr 2009
Volume 14, Issue 1 - Feb 2009
Selecting the target year
Numerical Analysis of Horizontal Collector Well in Riverbank Filtration
Kim, Hyoung-Soo ; Jeong, Jae-Hoon ;
Journal of Soil and Groundwater Environment, volume 14, issue 1, 2009, Pages 1~10
Groundwater flow due to intake of horizontal collector well in riverbank filtration site was analyzed by use of numerical groundwater modeling program (FEFLOW 5.1). Drawdowns of groundwater table nearby collector well were evaluated according to variations of several conditions; pumping rate, thickness of aquifer, offset distance from well to shore line of stream, conductance of streambed. It is observed that the drawdowns of groundwater table are clearly changed according to the variations of these conditions. The results of sensitive analysis shows that the thickness of alluvial aquifer and the offset distance are more sensitive than the conductance of streambed in evaluation of drawdown. This result implies that hydrogeological conditions, as like thickness of aquifer and its distribution in the site are important factors in site selection and evaluating the availability of riverbank filtration intake using horizontal collector well system. It is also revealed that numerical modeling using FEFLOW with 1-D discrete element feature can give efficient quantitative evaluation of horizontal collector well and estimation of availability of riverbank filtration site.
Green Remediation: Choice for Low
Emission in Soil and Groundwater Remediation
Choi, Hyun-Mi ; Lee, Jin-Yong ;
Journal of Soil and Groundwater Environment, volume 14, issue 1, 2009, Pages 11~17
Role and Contaminant Selection Methods of Soil Quality Standards in Developed Countries
Jeong, Seung-Woo ; An, Youn-Joo ; Kim, Tae-Seung ;
Journal of Soil and Groundwater Environment, volume 14, issue 1, 2009, Pages 18~28
Many countries have recently established legal regulations and soil quality standards for soil protection, This study investigated the role of soil quality standards in soil protection policy and methods of selecting standard substances from various types of chemicals. In most countries, soil quality standards act as guidance for further detail surveyor risk assessment from comparing soil concentration with the soil quality standards. Soil quality standards of Switzerland, Demark and Japan were used as enforcement tools. Priority substances for the standards were first selected from frequently detected chemicals in contaminated sites. Those substances were extensively evaluated for toxic effects, exposure potential and availability in chemical analysis.
Effect of pH and Temperature on the Adsorption of Heavy Metals in Acid Mine Drainage (AMD) Onto Coal Mine Drainage Sludge (CMDS)
Cui, Ming-Can ; Lim, Jung-Hyun ; Kweon, Bo-Youn ; Jang, Min ; Shim, Yon-Sik ; Khim, Jee-Hyeong ;
Journal of Soil and Groundwater Environment, volume 14, issue 1, 2009, Pages 29~35
In this study, the effect of pH and temperature on the adsorption behavior of acid mine drainage (AMD) on coal mine drainage sludge (CMDS) has been investigated during the treatment of coal mine drainage (CMD) by electrical purification method. The pH
) of CMDS was 5. The removal ratio of copper, zinc, cadmium, iron were increased according to the increase of pH value. The adsorption amount of copper showed 0.64 mg g
sludge. It was independent of pH value. The adsorption amount of the other metals showed l.l times when pH was 3. The adsorption amount of chromium was a little bit increased at the pH value higher than 7 due to a small amount of the chromium was eluted as
. The amount of metals' absorption were decreased according to temperature was increase at pH value was 3. The selectivity order was Cd>Fe > Zn > Cu. The amount of absorption showed q
Cu 2.747 mg g
andZn 2.525 mg g
when pH value higher than 5. It was independent of temperature.
Electrokinetic Remediation of Soil Contaminated with Zn, Ni and F
Cho, Jung-Min ; Ryu, Byung-Gon ; Park, Sung-Woo ; Kim, Kyeong-Jo ; Baek, Ki-Tae ;
Journal of Soil and Groundwater Environment, volume 14, issue 1, 2009, Pages 36~43
The feasibility of electrokinetic remediation was investigated in the laboratory to treat contaminated soil with Zn, Ni and F. Electro-migration and electro-osmosis are the major removal mechanisms because fluorines desorbed from soil exist as an anionic form in soil pores, and Zn and Ni exist as a cationic form. Desorption of fluorine was enhanced under the alkaline condition, but that of Zn and Ni increased under the acidic condition. Sequential pH control was effective to control the mixed wastes from contaminated soil. 2 V/cm was applied to reactor to evaluate the effect of constant voltage gradient, after two weeks, the removal efficiency of Zn, Ni and F was 20.5%, 2.5% and 57.4%, respectively. Even though the removal of Zn and Ni was very low, the pH control enhanced transport of Zn and Ni significantly. As a result, sequential pH control is a effective method to remediate mixed waste-contaminated soil.
Transformation of Endocrine Disrupting Chemicals (EDCs) by Manganese(IV) Oxide
Lee, Seung-Hwan ; Choi, Yong-Ju ; Chung, Jae-Shik ; Nam, Taek-Woo ; Kim, Young-Jin ; Nam, Kyoung-Phile ;
Journal of Soil and Groundwater Environment, volume 14, issue 1, 2009, Pages 44~50
The occurrence of endocrine disrupting compounds (EDCs), chemicals that interfere with human hormone system, are increasing in the freshwater, waste water and subsurface as well. In this study, we determined the reactivity of three EDCs in the presence of birnessite. In aqueous phase, bisphenol A, 2,4-dichlorophenol and 17
-estradiol, which possesses phenoxy-OH, were very rapidly transformed by birnessite: up to 99% of initial concentrations (50 mg/L for bisphenol A, 100mg/L for 2,4-dichlorophenol, and 1.5mg/L for 17
-estradiol) were destroyed within 60 minutes. Especially, bisphenol A was the most reactive chemical, disappearing by 99% in a few minutes. The reaction occurred on the surface of birnessite, showing a linear increase of first-order kinetic constants with the increase of the surface area of birnessite. In soil slurry phase, the reactivity of birnessiteto EDCs was faster than in aqueous phase probably due to the cross coupling reaction of phenoxy radicals with soil organic matter. Considering the rapid transformation of the EDCs in the both phases, this oxidative cross coupling reaction mediated by birnessite would be an effective solution for the remediation of EDCs in environmental media, especially in soil.
Optimization of Analytical Conditions for the Quantification of Explosive Compounds in Soil using HPLC
Cho, Jung-Hyun ; Bae, Bum-Han ; Kim, Kye-Hoon ;
Journal of Soil and Groundwater Environment, volume 14, issue 1, 2009, Pages 51~60
A series of experiments was performed to develop an optimized analytical procedure for the analysis of explosives in soil by HPLC with soil samples collected at two live-fire military shooting ranges. The minimum amount of soil to be collected, Wmin, for the analysis of explosive compounds was 125g, based on the segregation and homogeneity constants that account for soil heterogeneity and non-homogeneous distribution of target explosive compounds. The optimization of extraction and HPLC analytical conditions were also studied based on analytes CV values. The most effective soil/ extractant ratio was estimated to be 10g-pretreated soil/20 mL acetonitrile as extractant. The optimized HPLC elution conditions for the separation of US EPA designated 14 explosive compounds, were column temperature 30
, eluents ratio of isopropanol: acetonitrile: water = 18 : 12: 70, and flow rate of 0.8 mUmin at 230 nm. However, UV wavelength 254 nm was better for the analysis of NB, 2,4-DNT, 2NT, 4NT, and 3NT.
Full-scale Soil Washing and Non-discharged Washing Water Treatment Process of Soil Contaminated With Petroleum Hydrocarbon
Seo, Yong-Sik ; Choi, Sang-Il ; Kim, Jong-Min ; Kim, Bo-Kyung ; Kim, Sung-Gyoo ; Park, Sang-Hean ; Ju, Weon-Ha ;
Journal of Soil and Groundwater Environment, volume 14, issue 1, 2009, Pages 61~67
A non-discharged system of sequentially physico-chemical water treatment was used to treat the contaminated water produced from washing system of soils according to full-scale soil washing. After washing the TPH contaminated soils, the remaining concentrations of COD
, SS, and n-hexane were analyzed for each compartment to estimate the treatment efficiencies of non-discharged system. Three times of sampling events were conducted for 4 different compartments (sediment tank, flocculation tank, oil/water separator, and process-water tank). In addition, soil washing efficiencies and concentrations of each parameter (COD
, SS, and n-hexane) for process-water tank were analyzed for about 8 months. As results, the average efficiency of soil washing was high to have 95.9%, regardless of the condition of TPH contamination level for soils, as well as the concentrations of COD
, SS, and n-hexane in the process-water tank were below the regulation limits of the Water Environmental Conserveation Act. Accordingly, the full-scale washing treatment system in this study could make the washing water 100% recycled which lead the system to be environmentally-friendly and economical.
Removal of Cr, Pb and Cd from Reservoir Sediment by Electrokinetic Technique
Shin, Hyun-Moo ;
Journal of Soil and Groundwater Environment, volume 14, issue 1, 2009, Pages 68~77
For the reservoir sediment highly contaminated with total Cr, Pb, and Cd, the applicability of electrokinetic remediation method was evaluated. Also, BCR sequential extraction method was adopted to compare the heavy metal speciation in between before and after electrokinetic reaction that is operated under constant current condition for the sediment. After reaction, total Cr and Pb moved toward the direction of anode, while Cd tended to cathode and stayed highest in the midst of sediment specimen. From the BCR sequential extraction analysis, it was known that for total Cr and Pb the residual fraction that showed high fraction before reaction decreased and changed to the oxidation fraction. On the other hand, for Cd the fraction of exchangeable/carbonate that dominated most fractions before reaction changed to the residual and oxidation fractions.
Feasibility Study on the Remediation of Zn-contaminated Railroad Soil using Various Washing Agents
Park, Sung-Woo ; Lee, Jae-Young ; Kwon, Tae-Soon ; Kim, Kyung-Jo ; Chung, Keun-Yook ; Baek, Ki-Tae ;
Journal of Soil and Groundwater Environment, volume 14, issue 1, 2009, Pages 78~82
In this study, the feasibility of soil washing and soil flushing was investigated to treat Zn-contaminated railroad soil. Various organic acids including ethylene diamine tetraacetic acid (EDTA) and citric acid as well as inorganic acids such as hydrochloric acid (HCl) and phosphoric acid were tested to evaluate washing efficiency. Generally, inorganic acid showed higher removal efficiency compared to organic acids. Particularly, EDTA, well known as the most effective washing agent for removal of heavy metals from soil, was not efficient to remove zinc in this study. Among washing agents tested in this study, HCl was the most effective. However, it is not effective to use HCl solution over 0.1 M concentration. Sequential process using HCl was effective to enhance the removal efficiency of zinc. In column test, the removal efficiency of Zn was 27%. Accordingly, it is feasible to treat Zn-contaminated railroad soil using soil washing or flushing with HCI.