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[학술저널]

  • 학술저널

최신앙(충북대학교) 이상섭(충북대학교)

DOI : 10.5572/KOSAE.2019.35.5.555

이 논문을 2019-12-01 에 이용했습니다.

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초록

Activated carbon injection upstream of a particulate matter control device is a widely applied method for the control of mercury emission from the coal-fired plant and waste incinerator. Performance of activated carbon in mercury control depends on various factors such as flue gas composition, physical and chemical properties of fly ash and activated carbon, etc. This study was designed to investigate the effect of flue gas composition on the mercury adsorption efficiency of activated carbon. Commercial activated carbon was obtained, and a fixed-bed reactor system was used for the tests of its mercury adsorption at various simulated flue gas conditions. A baseline gas consists of 12% carbon dioxide (CO₂), 5% oxygen (O₂), 7% water vapor (H₂O), 60∼70 μg mercury (Hg)/m³ and balance nitrogen (N₂). Each of acidic gases such as sulfur dioxide (SO₂), nitrogen monoxide (NO) and hydrogen chloride (HCl) was added to the baseline gas and injected for the test to investigate the effect of each acidic gas on the mercury adsorption efficiency of activated carbon. In addition, the mercury adsorption efficiency of activated carbon was examined at the conditions of simulated flue gas (1) before air pollution control (2) after desulfurization and (3) after nitrogen oxides (NOx) control.

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Abstract
1. 서론
2. 실험장치 및 방법
3. 결과 및 고찰
4. 결론
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