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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2009.12
- 수록면
- 212 - 219 (8page)
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초록· 키워드
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Emission characteristics of air pollutants from three commercially operating cement kilns co-burning waste were investigated. The major heavy metals emitted were mercury (Hg), zinc (Zn), nickel (Ni), chromium (Cr), lead (Pb), cadmium (Cd), and arsenic (As) Removal efficiency of the bag filter was above 98.5% for heavy metals (except Hg), and above 60% for Hg. Higher fractions of heavy metals entering the bag filter were speciated to cement kiln dust. On average, 3.3% of the -heavy metals of medium and low toxicity (Pb, Ni, and Cr) entering the bag filter were released into the atmosphere. Among highly toxic heavy metals, 0.14% of Cd, 0.01% of As, and 40% of Hg entering the bag filter were released into the atmosphere. In passing through the bag filter, the proportion of oxidized Hg in all cases increased. Emission variations of hazardous air pollutants in cement kilns tested were related to raw materials, fuel, waste feed and operating conditions. Volatile organic compounds detected in gas emissions were toluene, acrylonitrile benzene, styrene, 1,3-butadiene, and methylene chloride. Although hazardous air pollutants in emissions from cement kilns co-burning waste were within the existing emission limit, efforts are required to minimize their levels.
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참고문헌 (38)
참고문헌 신청
1. [인터넷자원] - Alternative fuels in cement manufacture: 111 technical and environmental review / / D/1997/5457/April, The European Cement Association (CEMBUREAU)
2. [인터넷자원] - Cement Sustainability Initiative (CSI) / / Guidelines for the selection and use of fuels and raw materials in the cement manufacturing process
3. [학술지(정기간행물)] - Mokrzycki, E / 2003 / Use of alternative fuels in the Polish cement industry / Appl. Energ 74 (1-2) : 101 ~ 111
4. [학술지(정기간행물)] - Van Oss, H. G / 2002 / Cement manufacture and the environment - Part I: Chemistry and technology / J. Ind.Ecol 6 (1) : 89 ~ 106
5. [인터넷자원] - Vigon, B / / Toward a sustainable cement industry substudy 9: Industrial ecology in the cement industry
2. [인터넷자원] - Cement Sustainability Initiative (CSI) / / Guidelines for the selection and use of fuels and raw materials in the cement manufacturing process
3. [학술지(정기간행물)] - Mokrzycki, E / 2003 / Use of alternative fuels in the Polish cement industry / Appl. Energ 74 (1-2) : 101 ~ 111
4. [학술지(정기간행물)] - Van Oss, H. G / 2002 / Cement manufacture and the environment - Part I: Chemistry and technology / J. Ind.Ecol 6 (1) : 89 ~ 106
5. [인터넷자원] - Vigon, B / / Toward a sustainable cement industry substudy 9: Industrial ecology in the cement industry
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UCI(KEPA) : I410-ECN-0101-2017-539-001547325