- P-ISSN 1225-0163
- E-ISSN 2288-8985
- 권한신청
- P-ISSN1225-0163
- E-ISSN2288-8985
- SCOPUS, ESCI, KCI
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사업장 방류수 중 특정수질유해물질 배출 특성 연구
Study on characteristics of specific hazardous substances in the industrial wastewater effluent
분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2016, v.29 no.3, pp.114-125
https://doi.org/10.5806/AST.2016.29.3.114
(광주광역시 보건환경연구원)
(광주광역시보건환경연구원)
(광주광역시 보건환경연구원)
(광주광역시보건환경연구원)
(광주광역시보건환경연구원)
(광주광역시 보건환경연구원)
(광주광역시 보건환경연구원)
(광주광역시보건환경연구원)
(광주광역시 보건환경연구원)
(광주광역시보건환경연구원)
(광주광역시보건환경연구원)
(광주광역시 보건환경연구원)
(광주광역시 보건환경연구원)
김승호,
최영섭,
김연희,
김종민,
장길식,
배석진,
&
조영관.
(2016). 사업장 방류수 중 특정수질유해물질 배출 특성 연구. 분석과학, 29(3), 114-125, https://doi.org/10.5806/AST.2016.29.3.114
- 다운로드 수
- 조회수
초록
본 연구에서는 10업종 165개소의 폐수배출사업장을 대상으로 방류수 중 중금속, 휘발성유기화합물, CN, phenol 등 특정수질유해물질 24종 대하여 배출특성을 조사하였다. 중금속 중 Cu는 0.008~35.420 mg/L 농도 범위를 보였으며 검출율 46.8% (165개 중 79개)로 전 업종에서 검출되었다. 그 외 Cd, As, Hg, Pb, Cr+6의 검출율은 0.6~1.8%로 낮았다. CN은 1개, phenol은 5개 사업장에서 검출되었다. VOCs는 12종이 검출되었고 chloroform 80.6% (0.42~81.60 μg/L), benzene 16.4% (1.49~3.31 μg/L), trichloroethylene 11.5 % (1.78~6.02 /L), 1,1-dichloroethylene 10.3 % (1.23~5.89 μg/L), dichloromethane 8.5% (0.28~968.86 μg/L) 등의 순으로 검출율이 높게 나타났다. 대부분의 VOCs는 미량 검출되었으나 dichloromethane는 금속제조, 식료품제조, 세차시설 3개 업종에서 수질배출허용기준을 초과하였다. Chloroform은 모든 업종에서 검출되었으며, 세탁시설 및 수도사업에서 평균 농도가 각각 24.88 μg/L, 53.41 μg/L로 높게 나왔다. 산업 폐수중의 난분해성인 특정수질유해물질 처리를 위해 물리·화학적인 처리방법인 활성탄 흡착, 펜턴산화, 오존처리, 광촉매 및 UV radiation 등 공법 도입이 필요할 것으로 판단된다.
- keywords
- specific hazardous substances, wastewater, heavy metals, VOCs
Abstract
In this study, 165 wastewater discharge facilities in 10 business types were investigated with regard to 24 specific hazardous substances that included heavy metals, VOCs, CN, and phenol in the Gwangju city. Cu in the range from from 0.008 to 35.420 mg/L was detected in all business types and the detection rate was 46.8 %. Other heavy metals, such as Cd, As, Hg, Pb, and Cr+6 were detected as well. However, their detection rates ranged between 0.6 and 1.8 %. CN and phenol were detected in one and five facilities, respectively. 12 species of VOCs were detected: chloroform 80.6 % (0.42 to 81.60 μg/L), benzene 16.4 % (1.49 to 3.31 μg/L), trichloroethylene 11.5 % (1.78 to 6.02 μg/L), 1,1-dichloroethylene 10.3 % (1.23 to 5.89 μg/L), and dichloromethane 8.5 % (0.28 to 968.86 μg/L) in the detection rate order. The concentration of VOCs was detected in trace amounts, except for dichloromethane that exceeded the effluent quality standard in three business types, namely, metal manufacturing, food industry, and car washing facility. Chloroform was detected in all business types, where 24.88 μg/L were detected in the laundry business and 53.41 μg/L in the water supply business; the mean concentration of chloroform in these two business types was higher than elsewhere. Therefore, for the disposal of non-degradable specific hazardous substances in industrial wastewater, it is necessary to introduce physical and chemical processes, such as activated carbon adsorption, fenton oxidation, ozone treatment, as well as photocatalyst and the UV radiation.
- keywords
- specific hazardous substances, wastewater, heavy metals, VOCs
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