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김재혁(Jae Hyuck Kim),유경선(Kyung Seun Yoo),오제범(Je Beom Oh),정주영(Ju Young Jung) 大韓環境工學會 2012 대한환경공학회지 Vol.34 No.7
실제운영 중인 40여개 양돈시설을 대상으로 사육밀도, 경영방식, 돈사환기방식, 돈분뇨 처리방식 및 악취저감제 적용특성 등의 관리현황을 파악하고 관능평가 및 악취물질 분석을 통하여 양돈시설에서 발생하는 주요 악취유발물질과 악취발생 특성을 파악하고자 하였다. 양돈시설 악취발생원 중 악취농도(복합악취)는 액비화시설(포기 상태)(평균 4,055배) > 분뇨집수조(평균 913배) > 비육사(평균 506배) > 퇴비화시설(평균 201배) 순으로 조사되었다. 비육사의 경우 슬러리 피트 내부의 돈분뇨적체높이가 높아질수록, 사육밀도가 높을수록 발생하는 악취수준이 높은 것으로 조사되었으나, 사료첨가 유무에 따른 악취는 큰 차이를 보이지 않았다. TMA를 제외한 9종의 악취물질(NH₃와 H₂S, MM, DMS, DMDS, PA, n-BA, n-VA, i-VA)이 돈사와 분뇨저장조 및 퇴비화시설에서 검출되었으며, 악취기여도가 높은 물질은 H₂S, MM 등의 황화계열물질과 n-BA, n-VA, i-VA 등의 휘발성 지방산류이었다. 조사 대상 양돈시설의 97.5%가 주거지역과 300 m 이내에 위치하고 있어 악취민원 발생에 취약한 것으로 조사되었다. We studied the characteristics of odor emitted from 40 swine facilities across the country under various conditions like rearing densities, management style, ventilation system and swine manure handling characteristics, based on the olfactory and analytical evaluation. Odor concentrations (D/T) measured from swine facilities were respectively an average 4,055 D/T at liquid manure storage tanks on aeration, an average 913 D/T at slurry manure storage, an average 506 D/T at finishing swine facilities and an average 201 D/T at composting facilities. The higher rearing densities and slurry accumulation volume in finishing swine house, the more odor concentration (D/T) was increased, But The odor concentration (D/T) in finishing swine house did not show significant difference according to application of microbial additives. 9 odor compounds (NH₃, H₂S, MM, DMS, DMDS, PA, n-BA, n-VA, i-VA) were detected at swine facilities and the main odor compounds were volatile sulfur compounds such as H₂S, MM and volatile fatty acids compounds such as n-BA, n-VA, i-VA. 97.5% of swine farms surveyed in this study is located within 300 m of residential area and it is easy to bring odor complaints.
연구논문 : 주유소 StageⅡ의 유증기 회수설비 운영실태 조사를 통한 발전방안 연구
김재혁 ( Jae Hyuck Kim ),손양래 ( Yang Lae Sohn ),김형석 ( Hyung Seok Kim ),장태혁 ( Tae Hyuk Jang ),유경선 ( Kyung Seun Yoo ) 한국환경정책학회 2013 環境政策 Vol.21 No.2
Gas station vapour is one of the most prominent sources of the volatile organic compounds in air of urban areas. This paper studied the currentmanagement statues of vapour recovery systems of stageⅡ at gas stations and suggested the improvement plans through analysis of case studies. Some 97.3%gas stations of target stations,which have to install the vapor recovery unit of stageⅡ, was completed by end of 2012. But approximately 18.5% of them did not pass the regular inspection caused improper operations and equipment obsolescence. There is a need for government`s technical support, regular training and management manual for gas station workers in order to be operating normaly of the vapor recovery unit of stageⅡ. Furthermore, it is necessary to expand the mandatory installation area for the vapor recovery unit of stageⅡ. For this, an expansion scenario analysis performed. The results showed that the expansion must be preferentially replied in 10 citiesmore than population of 500,000 when it was economicwith a cost-benefit ratiowas 1.43.