• 제목/요약/키워드: Waste incinerators

검색결과 97건 처리시간 0.02초

국내 폐기물소각시설 배출가스와 소각재, 환경 매질, 식품 및 인체에서 검출된 다이옥신 농도수준 및 이성질체 유형 특성 (PCDD/Fs Levels and Congener Pattern Characteristics in Stack Gas and Fly Ash from Waste Incinerators, Environmental Media, Food, and Human Tissues: An Overview)

  • 김수진;박소영;최승필;이동수
    • Environmental Analysis Health and Toxicology
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    • 제19권1호
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    • pp.1-24
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    • 2004
  • Since dioxins became a serious concern in Korea, a significant number of investigations have been conducted to address diverse issues related to dioxins. However, the results have not been organized for ready access and use. The principal purposes of the work were to ⅰ) provide an archive of dioxin researches in Korea and ⅱ) give an overview of dioxin contamination. The focus of this work was placed on the contamination levels and characteristics concerning the waste incinerators emissions, environmental media, and biological samples(fishes/shellfishes, foods, and human body). Principal component analysis was conducted to identify common and/or unique features and the important variables associated with the congener patterns. From a comprehensive search of academic journals, research and monitoring project reports, dissertations, and periodicals of other forms, a total of 115 counts were found that met the purposes of this study. The contamination levels of various samples were summarized and compared to those reported in foreign literatures. The congener patterns varied largely with environmental media and distinguished particularly by OCDD, 1,2,3,4,6,7,8-HpCDF, and OCDF for the samples within the same media. The proximity to emission sources differentiated the congener patterns in air and soil samples by the fraction of OCDD.

대도시 음시물쓰레기 재활용 방안 평가 (The Assessment of Recyc1ing of Garbage Discharged from Metropolitan City)

  • 홍상표
    • 환경영향평가
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    • 제8권1호
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    • pp.133-139
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    • 1999
  • Community residents are tend to evade waste treatment facilities such as waste landfills, waste incinerators. Therefore, decision-makers of waste management are concerned about the reduction and recycling of food garbage. As a treatment alternative of food garbage which consists of 30% of municipal waste, producing compost and feed stuff from food garbage is environmentally amenable. In considering the characteristics of food garbage are putrid and high moisturized, methods of landfilling and incineration for food garbage are environmentally inadequate. For the institutionalization of food garbage recycling, separate discharge, establishment of collection system, securing of market for compost and feed stuff manufactured from food garbage, and tax and financial incentives for food garbage recycling facilities are necessary.

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LANDFILL STABILIZATION WITH LANDFILL MINING AND THERMAL TREATMENT PROCESS

  • Gust, Micheal A.
    • 한국지하수토양환경학회:학술대회논문집
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    • 한국지하수토양환경학회 1996년도 사용종료 매립지의 안정화 에 관한 국제 세미나
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    • pp.97-101
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    • 1996
  • Municipal and sanitary landfills can pose environmental problems due to leachate, landfill gas md unstable geotechnical properties. Most governmental bodies delay the correction of landfill problems or landfill replacement until a crises stage is reached. The replacement of a landfill is often made difficult due to costly regulatory controls, public opposition to siting and the high cost of closure for the previous landfill unit. Solutions to extending landfill life and capacity Involve waste minimization by recycling, refuse compaction and waste-to-energy incineration. Incineration can reduce the volume of refuse by 50-95%. The largest installed bases of municipal waste Incinerators are located in Japan and the U.S. The volume of waste contained in a landfill can be estimated by load count tabulations, weight-and-volume measurements or a material balance analysis based on the trash profile of user categories. for an existing landfill, core samples may be collected and analyzed for use in a material balance analysis. Newly generated refuse contains approximately 50% of the heating value of coal. However, landfill properties vary significantly due to the waste profile of the contributors and biodegradation due to time and weathering. The volume of the Nanji-do landfill

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가속탄산화를 통한 Ca-rich Waste Mineral의 정량적인 CO2 고용량 평가 (Quantitative Evaluation of CO2 Sequestration in Ca-rich Waste Mineral for Accelerated Carbonation)

  • 남성영;엄남일;안지환
    • 한국세라믹학회지
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    • 제51권2호
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    • pp.64-71
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    • 2014
  • Accelerated carbonation is a technique that can be used as a CCS technology for $CO_2$ sequestration of approximately 5~20% in a stable solid through the precipitation of carbonate. An alkaline inorganic waste material such as ash, slag, and cement paste are generated from incinerators, accelerated carbonation offers the advantage of lower transport and processing costs at the same generation location of waste and $CO_2$. In this study, we evaluated an amount of $CO_2$ sequestration in various types of inorganic alkaline waste processed by means of accelerated carbonation. A quantitative evaluation of $CO_2$ real sequestration based on a TG/DTA analysis, the maximum 118.88 $g/kg_{-waste}$ of $CO_2$ in paper sludge fly ash, the maximum 134.46 $g/kg_{-waste}$ of $CO_2$ in municipal solid waste incinerator bottom ash, the maximum 9.72 $g/kg_{-waste}$ of $CO_2$ in industrial solid waste incinerator fly ash, and the maximum $18.19g/kg_{-waste}$ of $CO_2$ in waste cement paste.

VOLATILE ORGANIC COMPOUNDS MEASUREMENT IN THE BOUNDARY OF WASTE TREATMENT FACILITIES

  • Yim, Bong-Been;Kim, Sun-Tae
    • Environmental Engineering Research
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    • 제12권2호
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    • pp.46-54
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    • 2007
  • Concentrations of the principal volatile organic compounds, such as benzene, toluene, ethylbenzene, m,p,o-xylene, styrene, and chlorobenzene were measured at the solid waste treatment plants classified into four categories; municipal waste incinerator, municipal waste landfill site, industrial waste incinerator and industrial waste landfill site. The average concentration of VOCs in industrial waste treatment facilities was 33.43 ppb and was significantly higher than that measured at municipal waste treatment facilities (4.71 ppb). The average toluene concentrations measured at incinerators (13.05 ppb) were a little higher than those measured at landfill sites (11.54 ppb). The contribution of the waste treatment facilities to the concentration of benzene (0.35 ppb) and o-xylene (0.15 ppb) in the industrial area was relatively small. However, toluene measured in the industrial waste treatment facilities was the most abundant VOCs with the average concentration of 21.37 ppb. As a result of analyses of fingerprint, in cases of IISH and ILUS, a variety of compounds other than major VOCs were detected in high level. On the Pearson correlation analysis, the correlation was generally positive and some pairs of these VOCs were very strongly correlated (correlation coefficient > 0.75).

산업폐기물 소각장의 바닥재와 비산재에서 PCDDs와 DFs 농도 (PCDDs and DFs concentrations from the fly ash and bottom ash of industrial waste incinerators in Korean)

  • 김기웅;원용림;고경선;최윤정;이성광
    • 분석과학
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    • 제27권6호
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    • pp.347-351
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    • 2014
  • 산업폐기물 소각장의 비산재와 바닥재에서 PCDDs와 DFs를 측정한 결과, 비산재에서 PCDDs와 DFs의 농도는 각각 4.5063과 13.004 ng-TEQ/g이었고 바닥재에서는 0.2367과 0.0993 ng-TEQ/g의 함유량을 보였다. 비산재 속에는 1,2,3,4,6,7,8-HpCDD, OCDD, 2,3,4,6,7,8-HxCDF, 2,3,4,7,8-PeCDF 동종체가 다량 함유되었고 바닥재에는 1,2,3,7,8-PeCDD와 2,3,4,7,8-PeCDF가 많았다.

Systematic investigation of heavy metals from MSWI fly ash and bottom ash samples

  • Ramakrishna., CH;Thriveni., T;Ahn, Ji Whan
    • 에너지공학
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    • 제26권4호
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    • pp.35-44
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    • 2017
  • Disposal of municipal solid waste has become a major problem in many countries around the world. As landfill space for the disposal of ash from Municipal Solid Waste Incineration (MSWI) becomes scarce, numerous reports and researches address the various environmental issues about the municipal solid waste incineration waste management and other particulate matters with the range of 10 ~ 2.5. Although in many developing and industrialization countries landfill with the disposal of municipal solid waste, open incineration has become a common practice. Large municipal waste incinerators are major industrial facilities and have the potential to be significant sources of environmental pollution. Despite the significant volume reduction from incineration, waste recycling is important to ensuring the future welfare of mankind. The main goal of the present work is the physical and chemical characterization of the local incineration bottom ash towards its eventual re-utilization. In this paper, we reported the studies on physical and chemical characteristics of municipal solid waste incineration (MSWI) fly ash and bottom ash containing particulate matter whose particulate sizes are lower than $PM_{10}$, $PM_{2.5}$ and heavy metal were investigated.