• 제목/요약/키워드: Chemical spill

검색결과 82건 처리시간 0.025초

부산해역에서의 해양오염방제장비의 필요수량에 관한 연구 (A Study on the Required Stockpiles of Marine Oil Spill Response Equipments in the Busan Area)

  • 윤종휘;윤혁수;김동선
    • 해양환경안전학회지
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    • 제8권1호
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    • pp.139-148
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    • 2002
  • As the Busan harbor is getting susceptible to oil Pollution. the authors analyze the historical records of oil spill accidents and investigate the shoreline features. In addition. we evaluate the response capabilities and compute the required stockpiles of marine oil spill response with the worst case scenario in this area. As a result, it is shown that the recommendable oil spill response is to contain and mechanically recover all oils at sea surface in winter. while chemical dispersants can be used in summer with mechanical containment and recovery, and it is also found that off-shore booms of 3,000m and off-shore skimmers of 986MT/hour recovery rate should be stockpiled with 10,000∼60,000 liters of concentrate chemical dispersant and small amount of synthetic organic sorbents for possible use.

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한국연안해역에서의 효과적인 유류오염방제 모델에 관한 연구 (On the Effective Oil Spill Response Model along the Coastal Waters in Korea - Evaluation of the Regional Response Capabilities at the Port of Ulsan -)

  • Yun, Jong-Hwui
    • 해양환경안전학회지
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    • 제5권2호
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    • pp.1-14
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    • 1999
  • To find characteristics and areas of greater risk of oil spill at the coastal waters in Korea, some of risk factors were analyzed with historical data of oil spill and marine traffic. As a result, it is characterized that frequency of oil spill is increasing year by year and greatest percentage of spill source is fishing boat. It is proposed that the ports of Ulsan, Yeosu, Incheon and Pusan will be designated as primary area of risk as they have a higher risk of oil spills and its response authority is required to maintain appropriate regional response capability for prompt and effective response to a future spill incident. In addition, the regional response equipments at Ulsan are examined under a assumption of a medium size spill and it is found that the use of chemical dispersant can be an alternative when mechanical containment and recovery is not feasible in this area, and the existing response equipments may be appropriate to address that size of spill. However, the response authority is required to maintain more numbers of stronger boom for unsheltered waters and more quantity of concentrate dispersant to disperse all spilled oils on the water, furthermore the response authority should be prepared for a possible future catastrophic spill with sufficient equipments.

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유류확산모델 개발 및 동해의 유류오염 사고대책 (Development of Oil Spills Model and Contingency Planning ill East Sea)

  • 류청로;김홍진
    • 한국해양공학회지
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    • 제19권4호
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    • pp.35-41
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    • 2005
  • There has been increasing offshore oil exploration, drilling, and production activities, as well as a huge amount of petroleum being transported by tankers and pipelines through the ocean and costal environment. Assessment must be made of the potential risk of damage resulting from the exploration, development and transportation activities. This is achieved through predictive impact evaluations of the fate of hypothetical or real oil spills. VVhen an oil spill occurs, planning and execution of cleanup measures also require the capability to forecast the short-term and long-term behavior of the spilled oil. A great amount of effort has been spent by government agencies, oil industries, and researchers over the past decade to develop more realistic models for oil spills. Numerous oil spill models have been developed and applied, most of which attempt to predict the oil spill fate and behavior. For an actual contingency planning, the oil fate and behavior model should be combined with an oil spill incident model, an environmental impact and risk model and a contingency planning model. The purpose of this review study is to give an overview of existing oil spill models that deal with the physical, chemical, biological, and socia-economical aspects of the incident, fate, and environmental impact of oil spills. After reviewing the existing models, future research needs are suggested. In the study, available oil spill models are separated into oil spill incident, oil spill fate and behavior, environmental impact and risk, and contingency planning models. The processes of the oil spill fate and behavior are reviewed in detail and the characteristics of existing oil spill fate and behavior models are examined and classified so that an ideal model may be identified. Finally, future research needs are discussed.

국내외 기관별 해상화학사고 대응 교육내용에 관한 비교분석 (A Comparative Analysis on the Education Contents of Domestic and Foreign Training Institutions in Response to Marine Chemical Incidents)

  • 김광수;이문진;박진형
    • 해양환경안전학회:학술대회논문집
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    • 해양환경안전학회 2017년도 추계학술발표회
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    • pp.165-165
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    • 2017
  • 해상화학사고가 증가함에 따라, 해상에 유출된 화학물질로 인한 피해가 커지기 때문에 해상화학사고 대응요원의 양성이 요구되고 있다. 본 연구에서는 해상화학사고 대응 전문요원 양성을 위한 국내외의 교육훈련 내용을 살펴보고, 국내 HNS사고 대응 교육훈련교재 개발에 활용하기 위하여 교육훈련 내용에 대한 비교분석을 실시하였다.

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대규모 유류유출사고 대비 환경보건 대응계획 수립을 위한 기반연구 (Scientific Basis of Environmental Health Contingency Planning for a Coastal Oil Spill)

  • 김영민;정해관;김종호;김종헌;고금숙;하미나
    • Journal of Preventive Medicine and Public Health
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    • 제42권2호
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    • pp.73-81
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    • 2009
  • Objectives : This study presents a scientific basis for the establishment of an environmental health contingency plan for dealing with accidental coastal oil spills and suggests some strategies for use in an environmental health emergency. Methods : We reviewed the existing literature, and analyzed the various fundamental factors involved in response strategies for oil spill. Our analysis included data derived from Hebei Spirit oil spill and used air dispersion modeling. Results : Spill amounts of more than 1,000 kl can affect the health of residents along the coast, especially those who belong to vulnerable groups. Almost 30% of South Korean population lives in the vicinity of the coast. The area that is at the highest risk for a spill and that has the greatest number of people at risk is the stretch of coastline from Busan to Tongyeong. The most prevalent types of oil spilt in Korean waters have been crude oil and bunker-C oil, both of which have relatively high specific gravity and contain volatile organic compounds, polycyclic aromatic hydrocarbons, and metals. In the case of a spill of more than 1,000 kl, it may be necessary to evacuate vulnerable and sensitive groups. Conclusions : The government should establish environmental health planning that considers the spill amount, the types of oil, and the distance between the spot of the accident and the coast, and should assemble a response team that includes environmental health specialists to prepare for the future oil spill.

Modeling Human Exposure Levels to Airborne Volatile Organic Compounds by the Hebei Spirit Oil Spill

  • Kim, Jong-Ho;Kwak, Byoung-Kyu;Ha, Min-A;Cheong, Hae-Kwan;Yi, Jong-Heop
    • Environmental Analysis Health and Toxicology
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    • 제27권
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    • pp.8.1-8.10
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    • 2012
  • Objectives: The goal was to model and quantify the atmospheric concentrations of volatile organic compounds (VOCs) as the result of the Hebei Spirit oil spill, and to predict whether the exposure levels were abnormally high or not. Methods: We developed a model for calculating the airborne concentration of VOCs that are produced in an oil spill accident. The model was applied to a practical situation, namely the Hebei Spirit oil spill. The accuracy of the model was verified by comparing the results with previous observation data. The concentrations were compared with the currently used air quality standards. Results: Evaporation was found to be 10- to 1,000-fold higher than the emissions produced from a surrounding industrial complex. The modeled concentrations for benzene failed to meet current labor environmental standards, and the concentration of benzene, toluene, orthometa- para-xylene were higher than the values specified by air quality standards and guideline values on the ocean. The concentrations of total VOCs were much higher than indoor environmental criteria for the entire Taean area for a few days. Conclusions: The extent of airborne exposure was clearly not the same as that for normal conditions.

아세톤 풀 증발 실험을 통한 원격 유·누출 모니터링 시스템의 효용성 확인 (Confirmation of the Efectiveness of Remote Chemical Spills and Leak Monitoring System through Acetone Pool Evaporation Experiments)

  • 김은희;이슬기;마병철
    • 한국안전학회지
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    • 제37권6호
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    • pp.25-31
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    • 2022
  • In this study, the spill and leak system is developed to provide real-time remote monitoring of industrial complexes where chemical accidents have been occurring every year. The spill and leak monitoring system uses IR-RCD equipment mounted on a 70m-high steel tower to detect chemical substances, thereby detecting chemical accidents such as leaks, fires, and explosions in real time. If IR-RCD equipment can actually detect chemical substances at a long distance, accurate and rapid initial response can be expected. Therefore, in order to confirm that IR-RCD equipment can detect chemical leakage accidents occurring at a long distance, acetone was selected as the experimental substance and a detection experiment was designed. The experiment was conducted using the acetone pool evaporation method at the wharf which was located 1.5 km away from IR-RCD equipment, and it was confirmed whether IR-RCD equipment could detect acetone in real time through the control monitor.

재난안전관리 체계 개선 방안 연구 - 해양오일유출 확산방지기술 중심으로 - (A Study on Improved Emergency Management System - Focused on Response to Diffusion of Oil Spilled in Marine -)

  • 유병태;오금호;백종배
    • 한국안전학회지
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    • 제30권2호
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    • pp.83-89
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    • 2015
  • In Korea for 20 years(1993-2012), total number and average annual number of oil spills were 6,608 cases and total volume and average annual volume of oils spilt were $57,328k{\ell}$ and nearly $2,866k{\ell}/year$, respectively. The annual number of oil spills and annual amount of oil spilt tended to decrease with the lapse of year in Korea. As oil transportation worldwide continues to increase, many communities are at risk of oil spill disasters and must anticipate and prepare for them. Factors that influence oil spill consequences are myriad and rage from the biophysical to the social. In this paper, we analysed the emergency response systems and recovery apparatuses for oil spill accident in marine and proposed a developed oil diffusion apparatus which can be used to initial response stage by crew, and to extend golden times. This system can be minimized casualties for rescued people in disaster.

팔라듐이 담지된 중형 기공성 탄소 재료를 이용한 수소 저장 (Hydrogen Storage Using Pd Doped Mesoporous Carbon Materials)

  • 김우영;김동민;홍영택;강태균;이종협
    • 청정기술
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    • 제12권2호
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    • pp.107-111
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    • 2006
  • 본 연구에서는 실리카 주형을 사용하여 중형기공성 탄소 재료인 CMK-3와 CMK-5를 제조하였으며 이의 수소 저장량을 측정하였다. 비교 물질로는 탄소 재료 중 수소 저장에 관해 가장 많은 연구가 이루어진 다중벽 탄소나노튜브를 사용하였다. 실험 결과, 탄소체에 흡착되는 수소의 양은 탄소 물질의 표면적과 매우 밀접한 관계가 있으며 표면적이 증가될수록 수소 저장량이 증가함을 확인할 수 있다. 본 연구에서 사용된 탄소 재료 중 CMK-5가 가장 높은 수소 저장량을 나타내었으며 CMK-3, MWCNT 순으로 높은 수소 저장량을 보였다. CMK-5의 경우, 팔라듐을 도핑하였을 때 수소 저장량이 매우 크게 증가하였으며 이는 hydrogen spill-over 효과에 의한 것으로 생각되며 이와 같은 현상은 팔라듐이 도핑된 CMK-5의 수소 저장량을 결정하는데 가장 큰 역할을 하는 것으로 나타났다.

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