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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
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Volume & Issues
Volume 17, Issue 6 - Dec 2012
Volume 17, Issue 5 - Oct 2012
Volume 17, Issue 4 - Aug 2012
Volume 17, Issue 3 - Jun 2012
Volume 17, Issue 2 - Apr 2012
Volume 17, Issue 1 - Feb 2012
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Toxicity Assessment of Pb or Cd Contaminated Sediments Amended with Birnessite or Hydroxyapatite
Lee, Seung-Bae ; Jung, Jae-Woong ; Kim, Young-Jin ; Nam, Kyoung-Phile ;
Journal of Soil and Groundwater Environment, volume 17, issue 4, 2012, Pages 1~8
DOI : 10.7857/JSGE.2012.17.4.001
The success of stabilization treatment in heavy metal contaminated sediment depends on the heavy metal bioavailability reduction through the sequestration of the heavy metals. This study was performed to assess the changes in the bioavailability of Pb or Cd in the Pb or Cd contaminated sediments by using birnessite and hydroxyapatite as stabilizing agents. The toxicity tests were carried out using a microorganism (Vibrio fischeri), an amphipod (Hyalella azteca) and an earthworm (Eisenia foetida). With Vibrio fischeri, the toxicities of both Pb and Cd were reduced by more than ten times in the presence of birnessite and hydroxyapatite compared to that of in the absence of birnessite and hydroxyapatite. The concentrations of Pb and Cd in the contaminated sediments were lethal to Hyalella azteca, however, in the presence of birnessite and hydroxyapatite more than 90%, on average, of Hyalella azteca survived. With Eisenia foetida, the bioaccumulated concentrations of both Pb and Cd were reduced by more than 75%, on average, lower with the addition of birnessite and hydroxyapatite to the contaminated sediments. These results show that the addition of birnessite and hydroxyapatite can reduce the bioavailability of Pb and Cd in contaminated sediments. In addition, the in situ and ex situ performance of birnessite and hydroxyapatite as stabilizing agents can be verified using the toxicity tests with Hyalella azteca and Eisenia foetida, respectively.
The Efficiency of Bioleaching Rates for Valuable Metal Ions from the Mine Waste Ore using the Adapted Indigenous Acidophilic Bacteria with Cu Ion
Kim, Bong-Ju ; Wi, Dae-Woong ; Choi, Nag-Choul ; Park, Cheon-Young ;
Journal of Soil and Groundwater Environment, volume 17, issue 4, 2012, Pages 9~18
DOI : 10.7857/JSGE.2012.17.4.009
This study was carried out to leach valuable metal ions from the mine waste ore using the adapted indigenous bacteria. In order to tolerance the heavy metals, the indigenous bacteria were repeatedly subcultured in the adaptation-medium containing
for 3 weeks and 6 weeks, respectively. As the adaptation experiment processed, the pH was rapidly decrease in the adaptation-medium of 6 weeks more than the 3 weeks. The result of bioleaching with the adapted bacteria for 42 days, the pH value of leaching-medium in the 3 weeks tend to increased, whereas the pH of the 6 weeks decreased. In decreasing the pH value in the adaptation-medium and in the leaching-medium, it was identified that the indigenous bacteria were adapted
the ion and the mine waste ores. The contents of Cu, Fe and Zn in the leaching solution were usually higher leached in 6 weeks than 3 weeks due to the adaptation. Considering the bioleaching rates of Cu, Fe and Zn from these leaching solutions, the highest increasing the efficiency metal ion were found to be Fe. Accordingly, it is expected that the more valuable element ions can be leached out from the any mine waste, if the adapted bacteria with heavy metals will apply in future bioleaching experiments.
Electrokinetic Restoration of Saline Agricultural Land
Jo, Sung-Ung ; Kim, Do-Hyung ; Yang, Jung-Seok ; Chung, Keun-Yook ; Baek, Ki-Tae ;
Journal of Soil and Groundwater Environment, volume 17, issue 4, 2012, Pages 19~26
DOI : 10.7857/JSGE.2012.17.4.019
The influence of operation time on electrokinetic restoration was investigated to remove salts from sulfate-accumulated greenhouse soil. Operation time is directly related to the process cost, therefore, we determined the relationship between operation time and removal of salts. Nitrate and sodium were removed almost completely within 2 weeks, chloride and calcium was removed in proportion to the operation time. Sulfate was accumulated at the center of anode and cathode. The soil electrical conductivity (EC), an indicator for soil salinity, showed similar shape with the residual sulfate after electrokinetic treatment. The soil EC was not changed after 2 weeks, however, the energy consumption increased with operation time. Based on the experimental results, most salts except sulfate were removed within 2 weeks, but sulfate was not removed during same time period. For the further removal of sulfate, longer operation time is in need.
Changes in Concentrations of Nutrients and Heavy Metals of Plants and Soils in Rain Garden Systems used for Non-point Source Pollution Management
Kim, Chang-Soo ; Sung, Ki-June ;
Journal of Soil and Groundwater Environment, volume 17, issue 4, 2012, Pages 27~35
DOI : 10.7857/JSGE.2012.17.4.027
Recently, there has been increasing interest in the use of rain garden systems as environmentally friendly ecological infrastructures for controlling stormwater runoff and managing non-point source pollution and information for the contamination of soil and plants can be essential for sustainable rain garden management. In this study, four rain garden mesocosms, namely single species planting with Rhododendron lateritium, single species planting with Zoysia japonica, mixed planting with R. lateritium and Z. japonica, and control without plants, were tested to investigate the change in concentrations of nutrients (N and P) and heavy metals (Cd, Cu, Pb, and Ni) in the soil and plants used in the rain garden system. The presence of plants resulted in greater nutrient retention in soil and lower potential leaching from the system. All systems showed an increase in the heavy metal concentrations in soil. The concentrations of most heavy metals were found to be higher in the herbaceous plants (Z. japonica) than in the shrubs (R. lateritium). The belowground part (root) had higher heavy metal concentrations than the aboveground part (leaf) but also showed a potential increase in leaves, and hence, careful plant management should be considered during rain garden operation.
Changes in the Physicochemical Properties of Soil According to Soil Remediation Methods
Yi, Yong-Min ; Oh, Cham-Teut ; Kim, Guk-Jin ; Lee, Chul-Hyo ; Sung, Ki-June ;
Journal of Soil and Groundwater Environment, volume 17, issue 4, 2012, Pages 36~43
DOI : 10.7857/JSGE.2012.17.4.036
Various methods are used to remediate soil contaminated with heavy metals or petroleum. In recent years, harsh physical and chemical remediation methods are being used to increase remediation efficiency, however, such processes could affect soil properties and degrade the ecological functions of the soil. Effects of soil washing, thermal desorption, and land farming, which are the most frequently used remediation methods, on the physicochemical properties of remediated soil were investigated in this study. For soils smaller than 2 mm, the soil texture were changed from sandy clay loam to sandy loam because of the decrease in the clay content after soil washing, and from loamy sand to sandy loam because of the decrease in the sand content and increase in silt content during thermal desorption, however, the soil texture remained unchanged after land farming process. The water-holding capacity, organic matter content, and total nitrogen concentration of the tested soil decreased after soil washing. A change in soil color and an increase in the available phosphate concentration were observed after thermal desorption. Exchangeable cations, total nitrogen, and available phosphate concentration were found to decrease after land farming; these components were probably used by microorganisms during as well as after the land farming process because microbial processes remain active even after land farming. A study of these changes can provide information useful for the reuse of remediated soil. However, it is insufficient to assess only soil physicochemical properties from the viewpoint of the reuse of remediated soil. Potential risks and ecological functions of remediated soil should also be considered to realize sustainable soil use.
Evaluation of Remediation Efficiency of In-Situ Chemical Oxidation Technology Applying Micro Bubble Ozone Oxidizer Coupled with Pneumatic Fracturing Equipment
Oh, Seung-Taek ; Oh, Cham-Teut ; Kim, Guk-Jin ; Seok, So-Hee ; Kim, Chul-Kyung ; Lim, Jin-Hwan ; Ryu, Jae-Bong ; Chang, Yoon-Young ;
Journal of Soil and Groundwater Environment, volume 17, issue 4, 2012, Pages 44~50
DOI : 10.7857/JSGE.2012.17.4.044
A new type of chemical oxidation technology utilizing micro bubble ozone oxidizer and a pneumatic fracturing equipment was developed to enhance field applicability of a traditional chemical oxidation technology using hydrogen peroxide as an oxidizer for in-situ soil remediation. To find an efficient way to dissolve gaseous ozone into hydrogen peroxide, ozone was injected into water as micro bubble form then dissolved ozone concentration and its duration time were measured compared to those of simple aeration of gaseous ozone. As a result, dissolved ozone concentration in water increased by 31% (1.6 ppm
2.1 ppm) and elapsed time for which maximum ozone concentration decreased by half lengthened from 9 min to 33 min. When the developed pneumatic fracturing technology was applied in sandy loam, cracks were developed and grown in soil for 5~30 seconds so that the radius of influence got longer by 71% from 392 cm to 671 cm. The remediation system using the micro bubble ozone oxidizer and the pneumatic fracturing equipment for field application was made and demonstrated its remediation efficiency at petroleum contaminated site. The system showed enhanced remediation capacity than the traditional chemical oxidation technology using hydrogen peroxide with reduced remediation time by about 33%.
Understanding the Groundwater System through the Long-term Monitoring - a case Study of Gwangneung Headwater Catchment
Lee, Jae-Min ; Woo, Nam-C. ;
Journal of Soil and Groundwater Environment, volume 17, issue 4, 2012, Pages 51~62
DOI : 10.7857/JSGE.2012.17.4.051
Effects of climate change on groundwater system requires understanding the groundwater system in temporal and spatial scales through the long-term monitoring. In this study, the spatio-temporal variations of groundwater were analyzed through the continuous observation of water level, electrical conductivity (EC) and water temperature with automatic data-loggers and sampling in a Gwangneung catchment, Korea, for the four years from 2008 to 2011. Groundwater monitoring were performed at the nest-type wells, MW1 and MW2, located in upsteam and downstream of the catchment, respectively. During the survey period, both the total amount of annual precipitation and the frequency of concentrated rainfall have increased resulting in the elevation of runoff. Water level of MW1 showed no significant fluctuations even during the rainy season, indicating the confined groundwater system. In contrast, that of MW2 showed clear seasonal changes, indicating the unconfined system. The lag-time of temperature at both wells ranged from one to three months depending on the screened depths. Results of chemical analyses indicated that major water compositions were maintained constantly, except for the EC decreases due to the dilution effect. Values of the stable-isotope ratios for oxygen and deuterium were higher at MW2 than MW1, implying the confined system at the upstream area could be locally developed.
Effect of Differences between Korean Ministry of Environment Standard and ISO Standard on Determination of Petroleum Hydrocarbon Content in Soil
Jung, In-Ho ; Lee, Goon-Taek ; Lee, Won-Seok ; Kim, Yong-Hoon ; Kim, Bo-Hyun ; Kim, Ji-In ; Kim, Bo-Kyong ;
Journal of Soil and Groundwater Environment, volume 17, issue 4, 2012, Pages 63~72
DOI : 10.7857/JSGE.2012.17.4.063
The main objective of this study is to assess the compatibility between Korean ministry of environment (KME) standard and ISO (KS I ISO) standard for the determination of BTEX and TPH content in soil. We carried out comparison analysis for both methods using CRM and matrix spiked samples. In case of GC-MS analysis for BTEX, we got statistically (significance level: 0.05) the same results from KME standard (ES 07600.1) and ISO standard (KS I ISO 15009). However, it showed statistically (significance level: 0.05) different results when TPH was analyzed by KME standard (ES 07552.1) and ISO standard (KS I ISO 16703). To clarify the reason why both methods produced different results for TPH content, we also did some additional experiments in terms of differences in extraction, clean-up and target hydrocarbon range. Extraction with polar and non-polar compounds mixed solvent (acetone+n-heptane) of KS I ISO 16703 showed higher extraction efficiency than with only non polar solvent (dichloromethane) extraction of ES 07552.1 by about 9%. While column type clean-up of KS I ISO 16703 showed the reduction in TPH content between before and after clean-up, batch type of clean-up of ES 07552.1 did not show any changes in TPH content through clean-up process. The target hydrocarbon range of ES 07552.1 and KS I ISO 16703 is
, respectively. From this point of view, kerosene and JP-8 contaminated soil showed higher RPD (relative producibility deviation) values between results by both method than that of lubricant or diesel contaminated soil. The higher content of hydrocarbon (
) in kerosene and JP-8 played an important role in increasing RPD values in addition to the effects caused by different solvents and clean-up method. Consequently, it was concluded that both methods (ES 07552.1 and KS I ISO 16703) were not compatible.
Remediation of PCE-contaminated Groundwater Using Permeable Reactive Barrier System with M0M-Bentonite
Chung, Sung-Lae ; Lee, Dal-Heui ;
Journal of Soil and Groundwater Environment, volume 17, issue 4, 2012, Pages 73~80
DOI : 10.7857/JSGE.2012.17.4.073
The objectives of this research were to study the applicability and limitations of permeable reactive barrier (PRB) for the removal of tetrachloroethylene (PCE) from the groundwater. PRB column tests were conducted using reactive material with Moringa Oleifera Mass - Bentonite (Mom-Bentonite). Most of the PCE in the groundwater was degraded and/or captured (sorpted) in the zone containing activated material (MOM-Bentonite). The removal rate of PCE from the groundwater was 90% and 75% after 30 days and 180 days, respectively. The effect of micro-organisms on the long-term permeability and reactivity of the barrier is not well understood. MOM-Bentonite PRB system in this research has the potential to be developed into an environmentally and economically acceptable technology for the in situ remediation of PCE-contaminated groundwater.
Efficient Management Method of Groundwater in Farming and Fishing Villages
Jung, Chan-Duck ; Kim, Yang-Bin ; Park, Ki-Yeon ; Park, Sun-Jin ;
Journal of Soil and Groundwater Environment, volume 17, issue 4, 2012, Pages 81~90
DOI : 10.7857/JSGE.2012.17.4.081
Groundwater is our invaluable asset because it takes action in the case of climates changes like drought or floods. But the Korean government has formulated water-resource policies mostly focused on surface water. As a result, the groundwater that will be more important resource in the future has been treated carelessly, caused neglect of maintenance and resulted many abandoned wells. This poor management of groundwater is because of lack of organization on our asset, manpower, unclearness of managing body, shoddy construction and lack of supervision. In order to solve this problem, we need a special agency of groundwater that contribute people`s awareness by promotion importance of groundwater, dissemination of technical education and professionals. To do that, we have to establish a specific groundwater management plan based on regional characteristics of watersheds and specialized institution need to promote responsible development and usage in groundwater.
Cost Analysis of Electrokinetic Process for Desalination of Saline Agricultural Land
Kim, Do-Hyung ; Choi, Jeong-Hee ; Jo, Sung-Ung ; Baek, Ki-Tae ;
Journal of Soil and Groundwater Environment, volume 17, issue 4, 2012, Pages 91~97
DOI : 10.7857/JSGE.2012.17.4.091
In this study, cost analysis of electrokinetic (EK) restoration process for desalination of saline agricultural land was performed for field application based on a pilot scale field application. For reasonable cost analysis, EK process was classified into three major parts: system design, installation and operation. Cost of system installation consists of materials and installation for electrode/electric wire, power supply and data monitoring, drainage system, etc. Operation cost was calculated based on electrical consumption and water charges for EK process. Total cost for EK process was 2,943,013 won for
in greenhouse area. Cost for system installation was 2,553,786 won, that is, 87% of total cost, while cost for system operation was 389,229 won, that is, 13% of total cost.