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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 13, Issue 6 - Dec 2008
Volume 13, Issue 5 - Oct 2008
Volume 13, Issue 4 - Aug 2008
Volume 13, Issue 3 - Jun 2008
Volume 13, Issue 2 - Apr 2008
Volume 13, Issue 1 - Feb 2008
Selecting the target year
Sustainable Development Plan of Groundwater for Drinking Water - Propose to the Pan-nationwaide Campaign Through “The Restoration of Abandoned Village Wells to Drinkable” -
Sung, Ig-Hwan ;
Journal of Soil and Groundwater Environment, volume 13, issue 3, 2008, Pages 1~7
Effect of Surfactant Types on Washing of Diesel-contaminated Soil
Yang, Jung-Seok ; Lee, You-Jin ; Kim, Seong-Hye ; Shin, Hyun-Jae ; Yang, Ji-Won ;
Journal of Soil and Groundwater Environment, volume 13, issue 3, 2008, Pages 8~14
The effects of surfactant types and the ratio of nonionic and anionic surfactants on the washing of diesel contaminated soil were investigated. In batch tests, the nonionic surfactant, which has HLB within 12-13, showed a high diesel removal efficiency and Tergitol 15-S-7 (T15S7) with 20 g/L concentration exhibited the highest removal efficiency of 79-88% among the tested nonionic surfactants. Anionic surfactants, in general, showed lower removal efficiency than nonionic surfactants. In case of mixed surfactant system, the removal efficiency increased with nonionic surfactant concentration. With mixed surfactants of T15S7 and SDS as 3 : 1 ratio, diesel removal was enhanced to 76% with 10 g/L of the mixed surfactants. These results could be used in the selection of proper surfactants for remediation of diesel contaminated soils.
On the Generalized Empirical Equation for Effective Wellbore Radius
Choi, Byong-Soo ;
Journal of Soil and Groundwater Environment, volume 13, issue 3, 2008, Pages 15~20
The investigation on the previous paper(Jn. of KoSSGE vol.12, no.3), which proposed three empirical equations for the different aquifers was carried out. To draw out a single equation from the three different equations the mean value of the involution factors was adopted allowing different proportional coefficients for the different aquifers. On the other hand it was found that the square root value of storativity ratio,
in each well is almost equal to its wellbore radius ratio,
. From this fact, the proportional coefficients can be substituted with assumed aquifer storativity and a generalized empirical equation for the effective wellbore radius has been derived.
Modeling of the Nitrate Adsorption Kinetics onto
Treated Granular Activated Carbon
Ji, Min-Kyu ; Jung, Woo-Sik ; Bhatnagar, Amit ; Jeon, Byong-Hun ;
Journal of Soil and Groundwater Environment, volume 13, issue 3, 2008, Pages 21~26
Nitrate adsorption from aqueous solutions onto zinc chloride (
) treated coconut Granular Activated Carbon (GAC) was studied in a batch mode at two different initial nitrate concentrations (25 and 50 mg/L). The rate of nitrate uptake on prepared media was fast in the beginning, and 50% of adsorption was occurred within 10 min. The adsorption equilibrium was achieved within one hour. The mechanism of adsorption of nitrate on
treated coconut GAC was investigated using four simplified kinetic models : the rate parameters were calculated for each model. The kinetic analysis indicated that pseudo-second-order kinetic with pore-diffusion-controlled was the best correlation of the experimental kinetic data in the present adsorption study.
Effects of Porosity and Water Content on Thermal Conductivity of Soils
Cha, Jang-Hwan ; An, Sun-Joon ; Koo, Min-Ho ; Kim, Hyoung-Chan ; Song, Yoon-Ho ; Suh, Myoung-Seok ;
Journal of Soil and Groundwater Environment, volume 13, issue 3, 2008, Pages 27~36
This paper presents a comprehensive laboratory study that examines the effects of porosity, water content, density and grain size distribution on the thermal conductivity of soils which were sampled from 16 synoptic stations of Korea. The experimental results clearly demonstrate that porosity and water content are important parameters which strongly affect the thermal conductivity of soils. Soils with lower porosities and higher water contents have higher thermal conductivities. On the contrary, increase of the matrix density slightly increases the thermal conductivity, and grain size distribution hardly affects the thermal conductivity. Dry soils with the same porosity tend to have more scattered values of thermal conductivity than wet soils. Based on the experimental results, a multiple linear regression model and a nonlinear regression model, having two regression variables of porosity and water content, were presented to predict thermal conductivity. Both models show a high accuracy of prediction with
values of 0.74 and 0.82, respectively. Thus, it is expected that the suggested empirical models can be used for predicting thermal conductivity of soils by measuring porosity and water content.
Sensitivity Analysis of the Effect of Soil Ecological Quality Information in Selecting Eco-Friendly Road Route
Ki, Dong-Won ; Kang, Ho-Geun ; Lee, Sang-Eun ; Heo, Joon ; Park, Joon-Hong ;
Journal of Soil and Groundwater Environment, volume 13, issue 3, 2008, Pages 37~44
Soil ecology has important roles in global ecosystems. However, soil ecological quality information is being ignored when assessing ecological impact of construction actions. And methods for classifying and assessing soil ecological quality have been very little established in comparison to those for animal and plant ecosystems. In this study, it was examined whether soil ecological quality information has influence on determining an eco-friendly route for a road construction project. For this, sensitivity analysis was systematically performed by varying the relative significance (weights) of soil ecological quality information among natural environmental and ecological factors. When the weight of soil ecological quality was greater than just 14%, the soil ecological quality information significantly influenced the determination of the eco-friendly routes for a specific road construction project. This demonstrates that soil ecological quality information has to be considered for more reliable environmental impact assessment, and also supports the validity of use of soil ecological quality information and its mapping technique in planning and siting of eco-friendly construction projects.
Removal of Benzene-NAPL in Soil Column by Cosolvent Flooding
Song, Chung-Hyun ; Jeong, Seung-Woo ; Lee, Byung-Jin ; Go, Sung-Hwan ;
Journal of Soil and Groundwater Environment, volume 13, issue 3, 2008, Pages 45~51
Removal of nonaqueous phase liquid present in the soil column by using cosolvent floods was investigated. The first objective of the study was to elucidate the removal mechanism of cosolvent flooding for benzene-NAPL. The second objective of the study was to evaluate the effects of the alchohol partitioning type (NAPL swelling and non-swelling) and concentration on NAPL removal efficiency from the soil column. The main NAPL removal mechanism of swelling alcohol was mobilization, while that of non-swelling alcohol was NAPL dissolution. The NAPL removal efficiency of swelling alcohol was more effective than that of non-swelling alcohol. Removal of Benzene NAPL entrapped in the soil would be effective under the cosolvent flood condition of alcohol content greater than 40% in volume.
Removal of As(III) and Phenol by Multi-functional Property of Activated Carbon Impregnated With Manganese
Yu, Mok-Ryun ; Hong, Soon-Chul ; Yang, Jae-Kyu ; Chang, Yoon-Young ;
Journal of Soil and Groundwater Environment, volume 13, issue 3, 2008, Pages 52~58
Mn-impregnated activated carbon (Mn-AC) prepared at different conditions was applied in the treatment of synthetic wastewater containing both organic and inorganic contaminants. Phenol and As(III) was used as the representative organic and inorganic contaminants, respectively. After evaluation of the physicochemical characteristic and stability of Mn-AC, oxidation of As(III) as well as adsorption of phenol by activated carbon(AC) and Mn-AC were investigated in a batch reactor. To investigate the stability of Mn-AC, dissolution of Mn from each Mn-AC was measured pH ranging from 2 to 4. Although Mn-AC was unstable at a strong acidic condition, the dissoluted Mn was below 3 ppm at pH 4. XRD analysis of Mn-AC indicated that the mineral type of the impregnated manganese was
. From the simultaneous treatment of As(III) and phenol by AC and Mn-AC, As(III) oxidation by Mn-AC was greater than that by AC at lower pH, while the reverse order was observed at higher pH. After impregnation of Mn onto AC, 13% decrease of the surface area was observed, causing 8% reduction of phenol removal. Considering removal properties of As(III) and phenol, Mn-AC could be applied in the simultaneous treatment of wastewater contaminated with multi-contaminants.
Enhancement of Biodegradation Rate of Petroleum Hydrocarbons-contaminated Soil with Addition of Organic Composite Nutrients and a Chemical Oxidation
Kim, Guk-Jin ; Oh, Seung-Taek ; Lee, Cheol-Hyo ; Seo, Sang-Ki ; Kang, Chang-Hwan ; Chang, Youn-Young ;
Journal of Soil and Groundwater Environment, volume 13, issue 3, 2008, Pages 59~66
A biological study was conducted to evaluate the enhancement of landfarming of soil contaminated with petroleum hydrocarbon (TPH) applying organic composite nutrients and a chemical oxidation during bioremediation. The target value of soil TPH after treatment was 500 mg/kg TPH. Addition of an organic compost and liquid swine manure for the removal of soil THP showed higher efficiency as 84.4% and 92.2% respectively than inorganic nutrients of 80.2%. In addition to the removal of non-biodegradable portion of residual hydrocarbons in soil, a chemical oxidation was applied during tailing period of the biological remediation, which showed high remediation efficiency as 98.1% compared with single bioremediation efficiency of 84.7%.