• 제목/요약/키워드: Fugitive Dust Control

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기상조건별 비산먼지 관리체계 최적화 연구 (Optimization of Fugitive Dust Control System for Meteorological Conditions)

  • 김현구
    • 한국대기환경학회지
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    • 제21권6호
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    • pp.573-583
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    • 2005
  • Fugitive dust, which is emitted in the ambient air without first passing through a stack or duct designed to control flow, is frequently generated by means of wind erosion from storage yards at Pohang Steel Wokrs. The size distribution of fugitive dust is mostly in the range of coarse particulate which is deposited as soon as emitted and less harm to human health; however $20\%$ of fugitive dust contains PM 10 known as one of most harmful airborne pollutant. Consequently, effective control and reduction of fugitive dust is strongly requested by the local society, but it is not easy so far because the generation and dispersion of fugitive dust highly depends on meteorological conditions, and it being occurred for irregularity. This research presented a fugitive dust control system for each meteorological condition by providing statistical prediction data obtained from a statistical analysis on the probability of generating the threshold velocity at which the fugitive dust begins to occur, and the frequency occurring by season and by time of the wind direction that can generate atmospheric pollution when the dispersed dust spreads to adjacent residential areas. The research also built a fugitive dust detection system which monitors the weather conditions surrounding storage yards and the changes in air quality on a real-time basis and issues a warning message by identifying a situation where the fugitive dust disperses outside the site boundary line so that appropriate measures can be taken on a timely basis. Furthermore, in respect to the spraying of water to prevent the generation of fugitive dust from the storage piles at the storage yard, an advanced statistical meteorological analysis on the weather conditions in Pohang area and a case study of fugitive dust dispersion toward outside of working field during $2002\∼2003$ were carried out in order to decide an optimal water-spraying time and the number of spraying that can prevent the origin of fugitive dust emission. The results of this research are expected to create extremely significant effects in improving surrounding environment through actual reduction of the fugitive dust produced from the storage yard of Pohang Steel Works by providing a high-tech warning system capable of constantly monitoring the leakage of fugitive dust and water-spray guidance that can maximize the water-spraying effects.

건설현장 비산먼지 규정 개선방안 (Improvement Plan of Fugitive Dust Regulations in Construction Site)

  • 노현준;유정호
    • 한국건설관리학회논문집
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    • 제18권5호
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    • pp.68-76
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    • 2017
  • 최근 이슈가 되고 있는 미세먼지(fine dust)는 직경이 $10{\mu}g/m^3$이하인 미립자물질(particulate matter)로서, 흡입 시 인체에 치명적인 악영향을 주는 오염물질로 분류되어 있다. 미세먼지가 바람에 날려 비산할 때 주변에 끼치는 악영향이 증가하므로, 이러한 비산먼지(fugitive dust)를 잘 통제해야 한다. 특히 건설업은 한국에서 가장 비산먼지를 많이 배출하는 사업 분야이므로, 건설현장에서 배출되는 비산먼지를 잘 관리하는 것이 국내 미세먼지의 문제를 해결하는 중요사안이 될 수 있다. 그러나 현재 국내의 비산먼지 관련 민원 수중 건설업이 가장 큰 비율을 차지하고 있는 실태로 보아, 국내의 건설현장 비산먼지 배출에 대한 제도적인 관리에 대한 점검이 필요하다. 이에 본 논문에서는 국내외 주요도시별 건설현장에 적용되는 비산먼지 규정을 비교분석한 뒤, 도출한 개선안을 제안하여 국내 건설현장 비산먼지의 제도적 관리에 일조하고자 한다.

Comparative analysis of fugitive dust management system at construction site by major cities

  • Noh, Hyun Jun;Yu, Jung Ho
    • 국제학술발표논문집
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    • The 7th International Conference on Construction Engineering and Project Management Summit Forum on Sustainable Construction and Management
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    • pp.297-300
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    • 2017
  • Particulate Matter(PM) is one of the most critical pollutant which can cause a fatal disease if the human body inhales. Construction is the business that emits the most fugitive dust. It is therefore necessary to manage construction site. South korea government focuses on the fugitive dust control measures defined in regulation being implemented properly. However the number of civil complaints related to fugitive dust emitted from construction site is the most in korea. So it is necessary to check from the management system aspect. This paper compares and analyzes the fugitive dust management system which applied to the construction site of major cities in three countries, and finds out what needs to be supplemented by the domestic management system.

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사료 부원료 하역과정에서 발생하는 비산먼지의 여과특성 (Filtration Characteristics of the Fugitive Dust Emitting from Animal Feedstuff Handling)

  • 방진철;한세현;정용원
    • 한국대기환경학회지
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    • 제22권2호
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    • pp.191-199
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    • 2006
  • Animal feedstuff handling is one of the major fugitive dust sources in the port of Incheon. For the effective control of fugitive dusts emitting from the port of Incheon, dust control facilities with bag filter systems should be designed properly considering the characteristic of the fugitive dusts including those from animal feedstuffs. The ultimate goal of this study is thus to develop the optimum fugitive dust control system which will be applicable for the renovation of the port. As the first step to achieve this longstanding goal, filtration characteristics of soybean shell, the largest dust sources in the port, were investigated with the specially designed filter testing apparatus for this study. The variables tested for the experiments included filter materials, dust concentrations, relative humidities, and filtration velocities. Also, the filtration characteristics of the other animal feedstuffs such as sunflower seed shell, tapioca, and palm shell were investigated to determine $K_2$ as a function of filtration velocity. The information on $K_2$ will be used to design the optimum bag filter systems for animal feedstuffs handling in the port.

MECHANICAL과 Fugitive Dust Model을 이용한 비포장도로에서의 비산먼지 발생량 산정 및 주변영향 평가 (Estimation of fugitive dust emission and impact assessment by MECHANICAL and Fugitive Dust Model on a unpaved road)

  • 김인수;장영기
    • 환경영향평가
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    • 제9권4호
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    • pp.257-269
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    • 2000
  • This study is to investigate the methodology and applicability on emission control by both MECHANICAL Model and Fugitive Dust Model (FDM) through the comparison of field measurement data and calculated data. Comparing to the method of AP-42 emission fector on the production of flying dust the MECHANICAL Model was proved to be more applicable to the calculation emission rate on the various dust emission conditions on a unpaved road. The seperate calculation on annual mean emission amount and a 24working hours amount was undertaken for the easy management of fugitive dust. Dust concentration predicted by FDM is similar with a measurement value.

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광학기법을 이용한 비산 먼지 측정 시스템의 설계 및 구현 (Design and Implementation of Fugitive Dust Measurement System using Optical Method)

  • 반재훈;손현근
    • 한국전자통신학회논문지
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    • 제17권6호
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    • pp.1237-1242
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    • 2022
  • 대기오염물질인 미세먼지의 50% 이상을 차지하고 있는 비산먼지는 건설공사가 주요 배출원(29.5%)으로 이에 대한 관리를 위하여 비산먼지 억제를 위한 시설 설치 및 조치에 관한 기준을 법으로 제시하고 있다. 그러나 소규모 건설현장은 관리 대상기준이 아니며 건설현장에서 발생하는 비산먼지를 개량적으로 측정하여 조치하는 항목이 미흡하다. 본 논문에서는 비산먼지를 더욱 쉽게 측정하고 모니터링하기 위하여 먼지의 혼탁도를 측정하는 광학기법을 사용한 방법을 설계하고 구현하였다. 먼저 광학기법을 이용한 비산먼지의 혼탁도를 측정하는 방법을 제시하고 비산먼지측정 시스템을 구현하여 건설현장에서 발생하는 실제 비산먼지의 혼탁도를 측정하였다.

전국 시도별 비산먼지 배출량 산정 (2001년도) (Estimation of Fugitive Dust Emission by Administrative Districts)

  • 김현구;정용원;홍지형
    • 한국대기환경학회지
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    • 제20권2호
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    • pp.263-276
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    • 2004
  • According to the annual emission estimates of U.S.A., fugitive dust, the particulate matter entrained in the ambient air which is caused from man-made or natural activities such as movement of soil, vehicles, equipments and windblown dust, contributes 90% of PM$_{10}$ emission. In spite of an importance of fugitive dust emission in PM$_{10}$ estimation, it is excluded in the national emission inventory of Korea so far. In this paper, an emission inventory of fugitive dust for each region and in major cities throughout the country, which is the first time in Korea these values have been compiled, is presented. Sources of fugitive dust emission have been classified into paved/unpaved roads, construction operations, agricultural operations, and natural sources. The emission factors of the existing fugitive dust emission were reassessed in a way that significantly improved the reliability of the estimated result. The Korea's first national emission inventory of fugitive dust by administrative districts proposed in this paper would provide scientific reference data for establishing an reduction strategy of PM$_{10}$ and preparing effective control measures, and would contribute to academic achievement in the atmospheric environments field and the establishment of CAPSS (Clean Air Policy Support System).stem).

레미콘 플랜트의 골재하차장 환경 유지관리를 위한 비산먼지 발생 경향에 관한 연구 (A Study on the Tendency of Fugitive Dust for Environmental Maintenance at the Aggregate Unloading Site of Ready-mixed Concrete Plants)

  • 조현우;신홍철;정윤석
    • 한국구조물진단유지관리공학회 논문집
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    • 제26권5호
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    • pp.103-111
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    • 2022
  • 미세먼지는 생태학적으로 심각한 문제를 발생시키는 원인이고, 건설현장에서 발생되는 비산먼지는 국내 미세먼지의 주요 발생원이다. 그러나 레미콘 플랜트 현장을 포함한 건설현장에서는 비산먼지 발생단계에서 모니터링은 거의 이루어지지 않고 있으며, 방진덮개, 방진벽 및 방진망, 살수시설, 세륜시설 등 수동적인 제거 방안들이 대부분인 실정이다. 비산먼지는 발생한 뒤 퍼지고 나면 관리하는 것이 매우 어렵기 때문에 발생을 억제하거나 발생단계에서 즉시 제거하는 것이 매우 중요하며, 비산먼지 발생단계에서 실시간 모니터링을 통해 발생 경향을 파악한 뒤 비산먼지 억제 및 제거를 위한 환경 유지관리 대책을 세우는 것이 필요하다. 따라서, 본 연구에서는 레미콘 플랜트의 비산먼지 환경 유지관리를 위하여 골재하차장을 중심으로 비산먼지 질량농도를 모니터링하고 발생 경향을 분석하였다.

건설사업장의 날림먼지 및 소음 저감 기술 적용사례 비교분석 (Comparative Study on the Control Technologies of Fugitive Dusts and Noise of Construction Project in Korea)

  • 구자건;강미연;서용칠
    • KIEAE Journal
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    • 제9권1호
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    • pp.55-60
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    • 2009
  • This study was carried out to propose the optimum technologies that can be applicable to noise and fugitive dust controlling in construction sites by comparative analysis in cases. The ninety three environmental management technologies applied to fifty-five construction projects conducted during 2005~2007 in Korea were analyzed by checklist method. The construction companies paid more attention to the noise and fugitive dust controlling technologies than the waste and wastewater. The diverse pollution controlling techniques were applied to the architectural projects than the civil projects to meet the environmental requirements in residential area. The fugitive dust controlling technologies(75.3%) were more widely applied to all construction projects than the noise controlling technologies(24.7%). As the noise controlling techniques, the noise barriers in wall-form which are set up as boundary in construction site were more widely used than the noise barriers in curtain-form, in cabin and silencers. Water spraying systems, wind barriers and mechanical sweepers were the preferred technologies for controlling fugitive dust emission.

인천항 시험돔 내부의 먼지제어특성에 대한 연구 (A Study on Dust Control Characteristics inside a Test Dome in the Port of Inchon)

  • Jeon, ki-Joon;D.Y. Ryu;Jung, Yong-Won
    • Journal of Korean Society for Atmospheric Environment
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    • 제16권E호
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    • pp.47-57
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    • 2000
  • This study focuses on the investigation of the effects of windspeed and particle size on the dust control characteristics inside a test dome built in the Port of Inchon to reduce the fugitive dust originating from the handling of animal feed stuff in the open pile area. The flow field inside the test dome and the trajectories of the particles were calculated using a commercial CFD code, FLUENT, assuming that the animal feed stuff handling activity took place inside the test dome. It was found from the simulation results that high windspeed and small particle size give rise to the increase in both the escaped fraction and the suspended fraction of the particles emitted from the animal feed stuff handing activity. Here, high escaped fraction represents the high possibility of fugitive dust problem outside the test dome, whereas high suspended fraction means the high possibility of severe dust pollution inside the test dome. Ore simulation results clearly show that the existing test dome was not designed properly to meet the proposed goal, low escaped fraction and low suspended fraction. Hence, we suggest the need of an efficient ventilation system inside the dome to control the dust.

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