• Title/Summary/Keyword: 기름유출원인

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흡착재를 사용한 기름회수기 개발의 기초연구

  • 권병곤;고경찬;박외철
    • Proceedings of the Korean Institute of Industrial Safety Conference
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    • 1997.11a
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    • pp.235-242
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    • 1997
  • 환경문제에 관한 관심이 급속히 증가하고 있는 가운데, 1995년 여름 유조선 씨 프린스호의 여천 앞바다 좌초로 다량의 기름이 유출되었다. 이 사고 이후 두달이 채 지나기도 전에 유조선 제1유일호가 부산 앞바다에서 침몰하는 사고가 발생했다. 통계1)에 의하면, 1991년 1월부터 1995년 9월말까지 우리나라 연안에서 총 1,583 건의 오염사고가 발생하였고, 유출량은 22,541톤, 피해금액 3,231억원으로 집계되었다. 해양오염사고중 기름에 의한 오염사호는 총발생건수의 92%로 대부분을 차지하고 있다. 배출원인은 선박사고가 전체 발생건수의 87%, 육상 및 해양시설에 의한 사고가 10.5%, 배출원인 불명이 2.5%였다. 오염물질 중 기름의 종류별 유출랑은 경유 6,509톤, 벙커유 3,928톤, 선저폐수 759톤으로, 경유가 가장 많고 다음으로 벙커유가 많았다. 해상 기름유출사호는 기름운반선 등에 의해 하루에 한번 꼴로 크고 작은 기름유출사고를 일으키고 있으며, 발생건수가 매년 증가하고 있다. 우리나라 연안에서의 유류 해상 수송량 증가와 선박의 대형화로 대형기름유출사고의 발생 가능성이 잠재하고 있다. (중략)

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Oil spill analysis caused by offshore pipeline damage (해저 파이프라인 손상에 기인한 기름 유출 분석)

  • Jo, Chul H.
    • Journal of Ocean Engineering and Technology
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    • v.10 no.2
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    • pp.28-34
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    • 1996
  • 해저면에 설치되 있는 기름 송유관에 손상이 생겨, 송유관 내부에 흐르는 기름이 유출 될경우 엄청난 환경오염 및 재난을 발생시킨다. 해저 송유관 손상에 의한 기름유출 원인은 여러가지 경우에 기인한다. 선박의 바닥이 해저면에 끌려 해저 송유관을 손상시키는 경우, 선박의 엥커에 의해 손상되는 경우, 지진에 의해 좌굴되는 경우, 자유 경간 (Free span)에 의해 좌굴 되는 경우, 송유관 수리 시 사고로 인한 유출, 송유관의 부식에 기인한 유출 등으로 나누어 질 수 있다. 어떠한 경우이든 해저 파이프 손상시, 유출된 기름의 양을 예측하고 그에 따른 적절한 대비가 필요하다. 본 논문에서는 1차 유출 및 2차 유출을 정의하여 각각의 경우에 유출량 해석 이론을 소개하였다. 또한 이 이론을 실제 경우에 응용하여 해저 송유관 손상에 의해 방출되는 기름량을 손상면적에 따라 계산하였고, 최대 유출량 산출 법을 적용하여 손상 위치에 따른 부분별 유출량 계산법을 소개하였다.

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Overview of Major Oil Spill at Sea and Details of Various Response Actions 2. Analysis of Marine Oil Pollution Incidents in Korea (대형 기름유출사고와 방제조치에 관한 연구 2. 국내 해양 기름오염사고 분석)

  • Kim, Kwang-Soo
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.19 no.5
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    • pp.467-475
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    • 2013
  • In order to seize quantitative materials as part of studies on measures for oil pollution prevention and control, the statistics of oil pollution incidents in Korean coastal waters for 10 years from 2003 to 2012 were analyzed with relation to the number of oil spills and the volume of oil spilt according to causes, sources and sea areas of spills. Total number and total volume of oil spills for 10 years were found to be 2,833 cases and 17,877 kL, respectively. 50.4 %(1,429 cases) of total number of oil spills were caused by negligence, although oil spillage due to negligence was 294 kL(1.7 %). While oil spillage caused by marine accidents was 17,400 kL(97.3 %), marine accidents accounted for 27.9 %(790 cases) of total number of oil spills. While negligence had a great influence on the number of oil spills, marine accidents had a huge impact on the amount of oil spilt. Fishing boats accounted for 42.7 %(1,210 cases) of the number of oil spills, and although oil tankers accounted for 9.2 %(261 cases) of the number of oil spills, oil spillage from oil tankers was 15,488kL(86.7 %). It means that oil tankers such as VLCC or ULCC may be the main sources of major oil spills and a few very large spills are responsible for a high percentage of the amount of oil spilt. While the number of oil spill incidents was closely related to the accidents of fishing boats, the volume of oil spilt was greatly affected by the major oil spill incidents of oil tankers such as M/T Hebei Spirit. The number and volume of oil spills were shown to be 1,613 cases(56.9 %) and 3,804 kL(21.3 %) in South Sea, 700 cases(24.7 %) and 13,501 kL(75.5 %) in West Sea, and 520 cases(18.2 %) and 572 kL(3.2 %) in East Sea of Korea, respectively. The highest number of oil spills was found in South Sea and the most volume of oil spilt was shown in West Sea of Korea for 10 years.

Analysis of Disaster Conflict and Strategies of Conflict Management -Focusing on Case of Hebei Spirit Oil Spill Accident- (재난갈등의 분석과 갈등관리 전략 -허베이 스피리트호 기름유출사고 사례를 중심으로-)

  • Park, Tae-Soon;Yang, Gi-Geun
    • The Journal of the Korea Contents Association
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    • v.9 no.12
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    • pp.303-313
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    • 2009
  • The purpose of this study is to suggest the analysis of disaster conflict and strategies of Conflict Management based on Case of Hebei Spirit Oil Spill Accident. For accomplishing the purpose, we analyzed process and features of conflict in area of Taean after disaster. When we overview literature study about conflict research of korea society, we know that we have no studying disaster conflict in spite of important cause of regional society conflict. Recently, we have been experienced major disaster every year. When disaster such as Case of Hebei Spirit Oil Spill Accident occurred, it is accompanied with a conflict in disaster area. So, we argue that it is important to analyzed disaster conflict and propose strategies of Conflict Management.

세월호 해양사고 대응지원 소개 및 원인분석 방향

  • Yang, Chan-Su;Park, Yeong-Su;Jeon, Ju-Yeong
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2014.06a
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    • pp.61-62
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    • 2014
  • 우리나라에서 2014년 4월 16일 발생한 세월호 침몰과 관련하여, 수색과 구조에 필요한 수온 등의 해양환경정보를 인공위성을 통해 획득하였고, 매일 이 자료를 제공하였다. 또한 세월호 전복으로 발생한 기름 유출의 공간적 현황을 파악하고 대응하기 위한 유출유 현황자료를 지속적으로 제공하였다. 또한 해양오염 피해 대응을 위해 어장정보에 대한 제공도 하였다. 이번 사고에 대한 경위를 검토, 그 원인분석의 필요성과 방향, 그리고 대응지원 사례를 중심으로 소개하고자 하며, 자세한 사항은 학술대회에서 발표하고자 한다.

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A study for numerical simulation about grounding of 105k tanker (LS-DYNA3D를 이용한 좌초 선박 손상평가)

  • Han, Dae-Suk;Rim, Chae-Whan;Lee, Tak-Kee;Lee, Jae-Myung
    • Journal of Navigation and Port Research
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    • v.31 no.3 s.119
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    • pp.213-221
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    • 2007
  • Recently, environmental design are becoming a matter of grave concern in shipbuilding. Out of these concern, oil spilt which is induced by grounding accidents is very critical reason of the ocean pollution. Therefore, a series qf quarter of 105k tanker model grounding simulations were conducted to analyze it's characteristics for the accident. ship get using LS-DYNA3D. In this paper, to conduct whole simulations, a meshsize convergence test was carried out to determine appropriate meshsize for grounding test. After the series analysis. These results were analyzed as each case.

Oil Fence Durability Enhancement for Marine Environmental Protection : Improvement of Inspection Process (해양환경 보호를 위한 오일펜스의 내구성 향상 : 검정제도 개선 방향)

  • Jang, Pankil;Seo, Jeong Mog;Lee, Heejin
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.27 no.6
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    • pp.731-736
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    • 2021
  • Oil fences effectively prevent the spread of oil spilled in the sea, thereby reducing the damage to the marine environment. However, the fence is damaged by oil and structures at the accident site and is discarded. When incinerated disposal method for discarded fences, fine dust, and harmful materials are generated. Moreover, as a part of the damaged fence is dumped into the sea, it may cause secondary environmental pollution, such as microplastics. Therefore, in this study, durability was measured using the most common solid foam type oil fences. As a result, the reduction rate of after five days of contact was 13 % in seawater and 3 % in oil, affected by temperature changes. Thus, the durability of the fence should be improved because it is exposed to seawater and oil and affected by wind, light, and waves depending on the weather conditions. Therefore, we suggest a method to improve the oil fence inspection to strengthen the durability of the fence's fabric part.

The Study for Practical use of Bioremediation Agent in Oil-Contaminated Area (해상유출유 오염지역에서의 미생물처리제 활용 방안 연구)

  • Chung Jin-Won;Yoon Joo-yong;Shin Jae-Rouk;Kim Han-Gyu
    • Journal of the Korean Society for Marine Environment & Energy
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    • v.6 no.2
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    • pp.3-15
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    • 2003
  • Recently more than 450 incidents of oil spill a year have occurred in nearshore of Korea, which caused unmeasurelable losses in fisheries and severe damage in marine ecosystem. Two approaches remain paramount in any response to marine oil spill : the enhancement of natural dispersion of the oil by using dispersants, and mechanical recovery using booms and skimmers. A technique currently receiving fresh attention is the enhancement of the natural bioremediation of oil through the application of micro-organisms and/or nutrient. Oil, like many natural substances, will biodegrade over a period of time into simple compounds such as carbon dioxide, water and biomass. Bioremediation is the term used to describe a range of processes which can be used to accelerate natural biodegradation. More specifically biostimulation is the application of nutrients, and bioaugremetation or seeding is the addition of microbes specially selected to degrade oil. Bioremediation is an economically attractive method for the clean-up of oil-contaminated area. Bioremediation has been demonstrated to be an effective oil spill countermeasure for use in cobble, sand beach, salt marsh, and mud flat environment.

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A Consideration of the Decision-Making Efficiency Concerning the Removal of Oil Spills by Foreign Ships in the EEZ (EEZ내 외국 침몰선박 잔존유 제거 의사결정 효율화 방안 고찰)

  • Na, Song-Jin
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.25 no.6
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    • pp.698-707
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    • 2019
  • The removal of oil spilled by the sinking of a foreign ship in Korea's Exclusive Economic Zone (EEZ) began in May 2019 four years after the ship sunk near Jeju Island. The cleanup was conducted by a foreign company that was contracted to the ship-owner's protection & indemnity (P&I) insurance company. In contrast to the time taken to begin the cleanup, the operation itself was completed in just 22days. Compared to similar cases, the decision to begin the removal was a delayed one. This study analyzes all 93 documents related to the ship's sinking and the eventual cleanup, confirming delays in administrative decision-making on the removal, and identifies factors that influenced this delay. These factors include a neglect of accident-related data verification, and other, legal, technical, environmental, and human aspects. Finally, this study suggests ways to improve decision-making efficiency. As the first study dealing with the cleanup in the EEZ, this research is expected to facilitate decision-making and influence the formulation of policies in the future.

A Study on the Improvement of National Marine Pollution Response Policy based on the Analysis of Gulf of Mexico Oil Spill Incident (미국 멕시코만 오염사고 분석을 통한 국가방제정책 개선방안 연구)

  • Kim, Sang-Woon;Lim, Chang-Soo;Lee, Wan-Sub;Ha, Chang-Woo
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.17 no.3
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    • pp.257-264
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    • 2011
  • On April 20, 2010, semi-submersible offshore drilling unit Deepwater Horizon was exploded and sank, and 4.9 million barrels(about 778 thousand tons) of crude oil was spilled into the Gulf of Mexico. As more than one year has been passed since the incident, a lot of investigation reports and lessons learned have been made public and also a lot more will be released soon. This paper studies the final report of the National Commission on "the BP Deepwater Horizon Oil Spill and Offshore Drilling", which was organized by the executive directive of U.S. President Barack Obama, and the interim report of Joint Investigation team of U.S. Coast Guard and BOEMRE of "Report of Investigation into the Circumstances Surrounding the Explosion, Fire, Sinking and Loss of Eleven Members Aboard the Mobile Offshore Drilling Unit Deepwater Horizon". The review is focused on the response to the oil spill. And the paper suggests how to improve national marine pollution response policy. In the paper, the Korean governments is suggested to reinforce the capability for instructing and supervising the responsible party's source control measures, to review how to introduce in-situ burning and vessel of opportunity program into our country, and to continue monitoring on the progress of developments of R&D projects related to oil spill response in the U.S..