• Title/Summary/Keyword: Open Dumping

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Theoretical Background and Practice of Anti-dumping Policy in EU (EU 반덤핑정책의 이론적 배경과 실제)

  • Lee, Kab-Soo
    • International Area Studies Review
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    • v.16 no.3
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    • pp.269-291
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    • 2012
  • Analyzing EU trade laws and institutional systems, the trade policy of EU has been founded, undoubtedly, on common interests for EU members. EU trade policy leaves room for 'Collective Protectionism' by permitting legal persona or interesting group to raise anti-dumping procedures. The anti-dumping policy of EU has shown a protectionism itself and has been affected by political motives. Investigation against anti-dumping can easily open and also there exists a wide range of political involvements. Furthermore, anti-dumping policy could be misused for protecting declining industries, which lost comparative advantage in global market. Economic theories show that anti-dumping measures divert import from outsider into insider members, which finally results in increasing intra-production of EU. This is exactly the reason why the anti-dumping policy has become attractive trade policy.

Assessment of Leachate from Solid Waste Landfills in Daechong Lake Upper Drainage Basin (대청호 상류유역 매립지의 침출수 분석 및 평가)

  • Hong, Sang-Pyo
    • Journal of Environmental Impact Assessment
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    • v.12 no.3
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    • pp.161-170
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    • 2003
  • To investigate the characteristics of 17 solid waste landfills in the upper drainage basin of Lake Daechong, the landfill sites were surveyed, the leachate of these landfills were analyzed, and the analysis results were assessed from standpoint of water contamination. Sanitary landfills which are now being operated are relatively well equipped with facilities such as leachate collection, daily soil cover and landfill gas treatment devices. But a few of open-dumping landfills were leaking leachate apparently and were supervised improperly and neglectfully by local governments. Some of sanitary landfills exceeded the COD permission criteria of leachate effluent, and some of open-dumping landfills exceeded SS, T-P, Pb, As, Fe, Mn permission criteria of leachate effluent. To improve the water quality of Lake Daechong which is utilized for supplying drinking water, agricultural water, and industrial water to the great part of Chungchong area, the adequate and prompt measures for preventing Daechong Lake water contamination from landfills leachate is necessary.

Evaluation of the Behavior of Dredged Materials in Ocean Dumping Area (해양투기장에서 준설토의 투기에 따른 거동 평가)

  • Lee, Joong-Woo;Oh, Dong-Hoon;Lee, Seung-Chul;Kim, Hyung-Chul;Kim, Kang-Min
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • v.1
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    • pp.433-438
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    • 2006
  • When we consider to develop a new harbor, the most important factor, we think, is the lowest water depth of waterway and approaching channel for safe navigation of vesse. The existing harbors have been being dredged to meet the international trend of jumbo sized vessels by adopting the new design criteria. As the dredged materials over the expected at the design level were common and there are still lack of land based reclamation area, we have no choice to discharge the dredged materials in open sea area. In this study, we analysed the behavior of discharged materials at the dumping area of offshore open sea, which were collected from the dredging work at the waterway in Busan New Port. We measured the tidal currents and analyzed the waters of dumping site after the dumping work. these were used to evaluate the numerical models. Suspended Solids(SS) were introduced to the diffusion model. Because of the characteristics of the dumping site, the speed of initial diffusion and settle down of the discharged materials was so fast. Therefore, we believe that the dumped materials do not cause a significant impact to the marine environment.

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The Characteristics of Landfill Waste and Leachate on Open Dumping Landfill Site of Small Scale (소규모 단순매립지의 매립폐기물 및 침출수의 특성)

  • Ju, So-Young;Yeon, Ik-Jun;Jeon, Tae-Wan;Wi, Mi-Kyung;Kim, Kwang-Yul
    • Journal of the Korean GEO-environmental Society
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    • v.1 no.1
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    • pp.79-85
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    • 2000
  • The environmental assessment on the open dumping landfill of small scale which was situated in local small city was carried out to reuse the landfill site as the residental, commercial and other purposes through the analysis of the leachate of landfill, extracted solution from landfill waste. The waste was landfilled at 5.5~8m depth and the covered layer so poor as 20~50cm thickness. The biodegradable organic matters were almost degraded and the result of the leachate of landfill showed that the BOD/COD ratio were measured as 0.079, pH 7.2~7.6, SS 47736mg/L, COD 6193.8mg/L, T-N 596mg/L, and T-P 123.9mg/L respectively. These results were higher than those of extracted solution of landfill waste as the COD and BOD were measured as low values and T-N 7.77mg/L and T-P as 0.20mg/L lower concentrations the landfill appears the maturation phase. As the result of the assessment on the open dumping landfill of small scale, if appears that this landfill is maturation phase and the formation leachate is reduced. If the treatment facility of leachate from landfill and the layer which protects the inflow/infiltration is prepared, it can be safely used as this landfill site.

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A Study on the Environmental Characteristic Analysis at Closed Small Sale Landfill Site (소규모 사용종료매립지의 환경특성분석)

  • Jang, Seong-Ho;Cho, Han-Jin;Lee, Chun-Sik
    • Journal of Environmental Science International
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    • v.19 no.7
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    • pp.901-905
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    • 2010
  • Emissions of leachate, odor, and landfill gas(LFG) from an open-dumping landfill site do harm to public health by contaminating neighboring soil, underground water, and rivers. Particularly, methane($CH_4$) and carbon dioxide($CO_2$), the main components of LFG, are especially noted as the causing material of the global warming that become seriously recognized worldwide issue. As one of alternatives in managing LFG, incineration of inflammable wastes that are generated during excavation process at an open-dumping landfill has been evaluated. Standard on stabilization for evaluation, neither $CH_4$ density nor $CO_2$ density could not Because meet 'less than 5%' criterion and so it is right to install a gas collection system during landfill renewal to prevent diffusion of odor and collect it. Because it shows considerable heating value, incineration of inflammable wastes might be the reasonable solution from the result of our study.

Estimation of Retained Rate in Open-water Sediment Disposal (개방수역 퇴적물 처리에서 유보율의 평가)

  • Shin, Hosung;Kim, Kyu-Sun
    • Journal of the Korean Geotechnical Society
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    • v.31 no.11
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    • pp.49-60
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    • 2015
  • Open-water sediment disposal has many applications in costal construction. Dumping of sediment in open water can be divided into descending stage under water and sedimentation stage on the seabed, and retained rate is evaluated from analyzed results of these two successive stages. Descending particle cloud have two distinct thermal and swam phase, and trajectory equations for each phase are derived to describe settling velocity and radius of particle cloud. For sedimentation stage, a numerical simulator is used to calculate growth factors for particle fiction angle and current velocity. Retained rate is defined as a mass rate of remained sediment inside the circle which has a center at dumping point on the sea level and user-defined effective radius. Retained rate map for Singapore coast is presented with water depth of 20 m, current velocity of 0.0~1.5 m/s, and effective radius of 5 m. It will decrease sediment mass loss during disposal operation and minimize surrounding environmental pollution.

Activity of the Fushun West Open-pit Mine in China Observed by Sentinel-1 InSAR Coherence Images

  • Jung, Da-woon;Lee, Hoonyol
    • Korean Journal of Remote Sensing
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    • v.38 no.4
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    • pp.365-374
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    • 2022
  • Mining activity causes environmental pollution and geological hazards such as ground subsidence or landslide of which continuous monitoring is necessary. In this study, the activity on the Fushun West Open-Pit Mine (FWOPM), one of the largest open-pit coal mines in Asia located in Fushun, Liaoning Province, China, was analyzed by using a time-series Sentinel-1 InSAR coherence dataset. By using the difference between the two Digital Elevation Models (DEM) of the area, it was possible to confirm that there was a stockpiling activity in the western area of the FWOPM while excavation activity in the eastern area. By using RGB composite images using the yearly-averaged InSAR coherence images, the activity of the mine was confirmed by period, which was confirmed by Google Earth optical images. As a result, it was possible to confirm three landslides and the related activities on the northwest slope and the dumping activity on the west slope of FWOPM.

Assessment on Environmental Stabilization of Used Open Dumping Landfill - A Case Study of Kamkok Landfill - (사용종료 비위생 매립지의 환경 안정성 평가 - 감곡 매립지 사례 연구 -)

  • Park, Sangchan;Cho, Byeongreal;Jeong, Jihye;Lee, Minhee;Kim, Taeyoung;Park, Jongho
    • Journal of the Korean GEO-environmental Society
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    • v.9 no.6
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    • pp.13-19
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    • 2008
  • The objectives of this paper are to investigate states of these open dumping landfills for managing, utilizing and stabilization of a municipal solid waste landfill site in environmentally secure conditions. The result of the physical analysis of the landfill showed that it is composed of between 29.72-63.84% organic matter, 32.88% vinyl plastic. The environmental assessment of the landfill site confirmed that the landfill is at a maturation phase due to 0.18 of $BOD_5$/CODcr of leachate. VS and FS of TS Was respectively 30.37%, 32.34% and C/N ratio was 21.8. Surface water around landfill was BOD 10.7 mg/g, SS 37.8 mg/g, E-Coli 31,157(MPN/$100m{\ell}$) and Ground water was $COD_{Mn}$ 1.13-1.38 mg/g, $NO_3-N$ 1.025-4.075 mg/g. Leachat indicated T-P 0.002-0.028 mg/g, $NH_3-N$ 4.0-21.0 mg/g. The soil contamination of around landfill didn't appear as below of the regulation of Soil Environment Conservation Act. The Landfill Gas was $CH_4$ 13.25%, $CO_2$ 6.17%, H2S and CO was not detected. Also Surface Water was not detected $CO_2$, $CH_4$, $H_2S$, CO.

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Study of Monitoring for Change of Marine Environment by dumping dredged Materials (준설토 외해투기에 의한 해양 환경의 변화에 관한 연구)

  • Park, Seon-Jeong;Lim, Jae-Dong;Park, Sang-Ho;Lee, Eun-Seung;Kim, In-Soo
    • Proceedings of KOSOMES biannual meeting
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    • 2007.05a
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    • pp.15-20
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    • 2007
  • In this study, the authors investigated the change of marine environment by dumping dredged materials generated by construction of Busan New Port. There are lots of possibilities to impact an ocean ecosystem by toxic materials in the dredged material dumped in the open seas. As a result of analysis of environmental monitoring in the study areas 12 times a year, COD is II grade, T-N is I grade, T-P is between II and III grade. This result is same as another results of offshore in Korea. It seems unclear that it results from the change of water quality by dumping dredged material. However, according to the result of this investigation, it is not effected extensively to the marine environment by dumping dredged materials. We need further environmental monitoring in the interest sea areas, also need to keep on investigating the impact on the marine ecosystem by dumping dredged materials.

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Analysis of Environmental Hazard by the Leachate from Disposal Waste (매립장 침출수 환경 재해에 관한 연구)

  • Kim, Jun-Kyoung;Bae, Hyo-Jun;Choi, Oh-Soon
    • Journal of the Korean Society of Hazard Mitigation
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    • v.3 no.4 s.11
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    • pp.145-151
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    • 2003
  • The domestic and the industry wastes which mainly come out of human life activities have been usually processed mainly by the incineration method and/or the method of reclamation. The method of reclamation, specially open dumping, has caused significant environmental pollution problems on the local or regional soil and groundwater system by leachate. Therefore, to investigate the 3-D structure characteristics of environmental pollution area is one of the hot subjects. We applied dipole-dipole method of electrical resistivity survey to investigate 3-D environmental contamination characteristics of the Noeun landfill area. For electrical resistivity survey, the line for measurements was established parallel to the main boundary of the Noeun landfill, for effective investigation of the whole landfill area. The result shows that the uppermost layer of the Noeun landfill is believed to be stabilized completely, based on the result of electrical resistivity values. However, the lowest layer of the Noeun landfill was partially polluted by leachate. Therefore, the electrical resistivity survey method is believed to be the one of the most effective methods to investigate three-dimensional distribution of leachate occurred in the lower part of landfill area.