• Title/Summary/Keyword: low polluter

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Characteristics of Nano-particles Exhausted from Heavy-duty Diesel Vehicles with Low Emission Technology (대형경유차 저공해기술 적용에 따른 나노입자 배출특성)

  • Lim Cheol-Soo;Yoo Jung-Ho;Eom Myoung-Do;Hwang Jin-Woo;Kim Ye-Eun
    • Journal of Korean Society for Atmospheric Environment
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    • v.20 no.2
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    • pp.225-236
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    • 2004
  • Diesel engines which emit a lot of PM and NOx have been known as a main air polluter. Especially, diesel particulate matters (OPM) including black smoke are hazardous air pollutants to human health and environment. The nations retaining advanced engine technologies have reinforced emission regulations. To meet these regulations diesel engine manufacturers have developed low-emission diesel engines, aftertreatment equipments, alternative fuel technologies and so on. In this study, particle number concentrations characteristics according to particle size and engine driving conditions were analyzed when these low-emission technologies were applied. There was a tendency of increasing particle number concentrations from heavy-duty diesel engines with increasing engine rpm and load rate. In the cases of COPF (Catalytic Diesel Particulate Filter), CNG (Compressed Natural Gas) engine and ULSD (Ultra Low Sulfur Diesel) more than 99% of particle number concentration were removed.

An Empirical Study on the Relationship between Environmental and financial Performance : A Case in Korean Manufacturing Sector (환경성과와 재무성과의 상관관계에 관한 실증연구 - 우리나라 상장 제조업체를 중심으로 -)

  • Hong, Jong-Ho;An, Il-Hwan
    • Journal of Environmental Policy
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    • v.6 no.4
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    • pp.83-101
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    • 2007
  • We try to analyze the relationship between environmental and financial performance in the Korean manufacturing sector. The lack of reliable information on company-level environmental performance in Korea has inhibited research on this subject. This paper utilizes an objective data set called 'Monthly Environmental Violations Report,' published by the Korean Ministry of Environment, among others, in measuring the environmental performance of the listed companies. The result shows that low polluters tend to perform better financially than high polluters. In addition, the correlation between positive environmental performance and financial performance turns out to be statistically more significant than negative environmental and financial performance.

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Research of Efficient Environmental Policy Instruments for the Reduction of SO2-Emissions from Stationary Sources (고정오염원에서 발생하는 SO2 배출량 저감을 위한 효율적인 환경정책수단의 연구)

  • Lee, Yeong Jun
    • Journal of Environmental Science International
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    • v.13 no.4
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    • pp.339-347
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    • 2004
  • This paper asks the question: what choice of environmental policy instruments is efficient to reduce sulfur dioxide from stationary sources\ulcorner: In Korea, command and control has been a common way of controlling $SO_2-emissions.$ When compared to the non-incentive environmental policy instrument such as command and control, economic incentive environmental policy instrument has been the advantage of making polluter himself flexibly deals with in marginal abatement cost to develop environmental technology in the long view. Therefore, the application possibility of the incentive environmental policy instrument was studied in this research to realize the countermeasure for controlling of $SO_2-emissions.$ As a result, enforcement of the countermeasure such as flue gas desulfurizer by command and control would be suitable because power generation is performed by the public or for the public in source of air pollution and thus, economic principle is not applied to the polluter. In the source of industrial pollution, enforcement of fuel tax is found to be suitable for the countermeasure for the use of low sulfur oil in terms of the flexibility of demand for the price in the long tenn. For the permissible air pollution standards applicable to all air pollutant emitting facilities, enforcement of incentive environmental policy such as bubble, off-set, banking policy or tradeable emission penn its would be ideal in long terms according to the regional characteristics and the number and scale of air pollutant emitting facilities.

Application of the Latest European Standard(EN 15522-2) for Marine Oil Spill Analysis: A Study on its Effectiveness in Analyzing Samples from Korean Incidents (해양 기름유출사고 분석을 위한 최신 유럽표준(EN 15522-2) 적용: 한국 사고 샘플 분석의 효율성에 관한 연구)

  • Youjeong Park;Duwon Lee;Heejin Lee
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.30 no.1
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    • pp.58-64
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    • 2024
  • Approximately 250 marine oil spill accidents have occurred in Korea, with profound impact on local communities and the environment. The restoration process necessitates significant resources and costs to return affected areas to their pre-accident state. In accordance with the polluter pays principle, compensation is demanded from polluter, as stipulated in both international conventions and national laws. Consequently, investigations are conducted to determine civil and criminal liability. As the importance of investigation actors in oil spill accidents increases, standards such as CEN 15522-2 and ASTM D 3248 are employed to determine the similarity between the spilled oil and the oil of the suspected ship. Among these standards, CEN 15522-2, the most actively used European standard, underwent its third revision and is now known as EN 15522-2, as of 2023. This study used EN 15522-2 to analyze samples from marine oil spill accidents that occurred in Korea. The results indicated that, considering the characteristics of domestic spills where light fuel oil spills account for more than 40%, the application of EN 15522-2, which includes low-boiling point substances such as Adamantanes, was confirmed to be highly effective.