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손찬웅,임봉빈,김선태 大田大學校 産業技術硏究所 2015 산업기술연구소 論文集 Vol.26 No.1
This study investigated the operation conditions of an incinerator, such as nitrogen oxide (NOx) concentration, incineration temperature, amount of ammonia and auxiliary fuel used, on the co-incineration of a municipal solid waste with food waste. The auxiliary fuel used, incineration temperature and NOx concentration were generally higher on the incineration with food waste than on that without food waste. In particular, the NOx concentrations observed during the co-incineration with food waste was 39.55ppm (Unit 1) and 43.05ppm (Unit 2). It was likely seems that the increase of NOx concentration was due to the formation of thermal NOx induced by the increase of the incineration temperature caused by the use of auxiliary fuel. The amount of ammonia used for the treatment of NOx during the incineration with/without food waste was 664.21kg/d and 640.75kg/d, respectively. These results indicate that the long-term monitoring of the operation conditions for improving the incineration performance on the co-incineration with food waste would be carried out. 대전시에 위치한 환경에너지사업소에서 시험적으로 음식물쓰레기를 일반 생활폐기물과 혼합소각시 생하는 질소산화물(NOx)의 농도 및 소각온도, 암모니아 사용량, 보조연료 사용량 등 소각장 운영현황 을 검토하여 음식물쓰레기 혼합연소시의 소각로 운전조건을 조사하였다. 소각온도는 음식물쓰레기 혼합 소각 시에 1,022oC (1호기)와 1,011oC (2호기)로 혼합소각을 하지 않았을 때보다 5~11oC 높게 나타났다. 음식물쓰레기 반입 시 질소산화물 농도는 39.55ppm (1호기) 및 43.05ppm (2호기)으로 나타나 음식물쓰레기를 반입하지 않은 경우보다 약 5.5% (1호기) 및 9.5% (2호기) 증가한 것으로 나타났다. 음식물쓰레기를 반 입하지 않은 시기의 암모니아 사용량은 640.75kg/일이고, 음식물쓰레기를 반입한 시기의 암모니아 사용량은 664.21kg/일로 나타나 음식물쓰레기 혼합소각에 의해 23.46kg/일의 암모니아 사용량이 증가하였다. 장래 소각운영에 영향을 미치는 다양한 요인들을 조사하기 위해 장기적인 모니터링을 통해 음식물쓰레기 혼합소각으로 인한 소각로 운영상의 영향 등을 종합적으로 평가해야 할 것으로 사료된다.
김선태,하덕호,이규성,손찬웅 대전대학교 환경문제연구소 2006 환경문제연구소 논문집 Vol.10 No.-
In this study, the paint, which has very close relationship to the of indoor air quality, was examined for the air pollution leveling test, and using the various passive sampler, the test was evaluated on the regard of TWA(Time Weighted Average). This study is to examine how the air pollution levels differ between the regular paint that is used for public and the new developed environment friendly paint. The consecutive experiments were performed in the small chamber test to investigate the VOCs and formaldehyde, ammonia emissions and characteristics from paint which are commonly used as the complete material of building. In conclustion, the natural paint showed the highest emission of VOCs among the selected paints, and water paint showed the highest contents of ammonia. Formaldehyde showed N.D(Not Detected) in most of tests and found a small amount in vinyl paint however, it was not as bad as to fail the certify level of building materials. It is recommended to constantly develop the chamber system and it will be very much possible to be used for the estimation of indoor air pollutants from the various paints and other complete materials.
김선태(Sun-Tae Kim),하덕호(Duk-Ho Ha),이규성(Kyu-Sung Lee),손찬웅(Chan-Woong Son) 대전대학교 환경문제연구소 2006 환경문제연구소 논문집 Vol.10 No.-
In this study, the paint, which has very close relationship to the of indoor air quality, was examined for the air pollution leveling test, and using the various passive sampler, the test was evaluated on the regard of TWA(Time Weighted Average). This study is to examine how the air pollution levels differ between the regular paint that is used for public and the new developed environment friendly paint. The consecutive experiments were performed in the small chamber test to investigate the VOCs and formaldehyde, ammonia emissions and characteristics from paint which are commonly used as the complete material of building. In conclustion, the natural paint showed the highest emission of VOCs among the selected paints, and water paint showed the highest contents of ammonia. Formaldehyde showed N.D(Not Detected) in most of tests and found a small amount in vinyl paint however, it was not as bad as to fail the certify level of building materials. It is recommended to constantly develop the chamber system and it will be very much possible to be used for the estimation of indoor air pollutants from the various paints and other complete materials.