부산시 하수처리장에서의 다환방향족탄화수소류(PAHs)의 농도수준 및 분포특성 (The Concentration Levels and Distribution Characteristics of Polycyclic Aromatic Hydrocarbons (PAHs) on Sewage Treatment Plant in Busan City)

서지정보

· 발행기관 : 한국폐기물자원순환학회
· 수록지 정보 : 한국폐기물자원순환학회지 / 25권 / 4호 / 310 ~ 319페이지
· 저자명 : 정병길, 이지현, 김재홍, 정석연, 최영익

초록

Polycyclic aromatic hydrocarbons (PAHs) can be formed both natural and anthropogenic processes. Both sources are contributors of hazardous compounds, but anthropogenic sources are considerably more damaging to the environment. The purpose of this research obtains a primary data base to treat PAHs-contaminated sewage sludge effectively and properly by figuring out concentrations and origins of PAHs which load in influent of sewage treatment plant. During the experiment period from April 2007 to June 2007, concentrations of PAHs in influent, effluent and dewatered cake at 5 different sewage treatments at Busan Metropolitan City were analysed by using a gas chromatography/mass spectrometer (GC/MS). The volume of samples from influent and effluent was 2 liters. The weight of sample from the dewatered cake was 500 g. Ranges of concentrations of PAHs in influent, effluent and dewatered cake were 72.3 ~ 83.9 mg/L, 1.1 ~ 6.8 mg/L and 2,669.6 ~ 3,491.5 mg/kg respectively. The most abundant compounds of PAHs were fluorene and phenanthrene for all sewage treatment plants. It has been shown that 5 ~ 6 rings of PAHs were detected more in the industrial sewage treatment plant than in the municipal sewage treatment plant. 3 and 4 rings of PAHs played a major role in the overall concentrations of PAHs because they comprised approximately 42% of the tPAHs. The ratios (SLPAHs/SHPAHs, pha/ant and flua/pyr.) have been used extensively to distinguish petrogenic or pyrogenic sources of PAHs in the dewatered cake at 5 different sewage treatment plants. It was not easy to distinguish between petrogenic and pyrogenic sources of PAHs because the PAHs contained both characteristics.

영어초록

Polycyclic aromatic hydrocarbons (PAHs) can be formed both natural and anthropogenic processes. Both sources are contributors of hazardous compounds, but anthropogenic sources are considerably more damaging to the environment. The purpose of this research obtains a primary data base to treat PAHs-contaminated sewage sludge effectively and properly by figuring out concentrations and origins of PAHs which load in influent of sewage treatment plant. During the experiment period from April 2007 to June 2007, concentrations of PAHs in influent, effluent and dewatered cake at 5 different sewage treatments at Busan Metropolitan City were analysed by using a gas chromatography/mass spectrometer (GC/MS). The volume of samples from influent and effluent was 2 liters. The weight of sample from the dewatered cake was 500 g. Ranges of concentrations of PAHs in influent, effluent and dewatered cake were 72.3 ~ 83.9 mg/L, 1.1 ~ 6.8 mg/L and 2,669.6 ~ 3,491.5 mg/kg respectively. The most abundant compounds of PAHs were fluorene and phenanthrene for all sewage treatment plants. It has been shown that 5 ~ 6 rings of PAHs were detected more in the industrial sewage treatment plant than in the municipal sewage treatment plant. 3 and 4 rings of PAHs played a major role in the overall concentrations of PAHs because they comprised approximately 42% of the tPAHs. The ratios (SLPAHs/SHPAHs, pha/ant and flua/pyr.) have been used extensively to distinguish petrogenic or pyrogenic sources of PAHs in the dewatered cake at 5 different sewage treatment plants. It was not easy to distinguish between petrogenic and pyrogenic sources of PAHs because the PAHs contained both characteristics.

참고자료

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