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광주 하남산업단지 내 도장, 도금, 주물ㆍ주조, 고무제조 및 폐유정제 사업장에서 발생되는 악취물질의 조사 연구
김난희,박강수,이세행,박승열,김도술,김동수,이경석,백계진,문용운 한국냄새환경학회 2011 실내환경 및 냄새 학회지 Vol.10 No.2
In this study was analyzed substances that high contribute to odor strength degree which emitted from the painting, the plating, the casting, the rubber manufacturing, and the used oil refining facilities in Gwangju Hanam industrial complex. In order to this, we analyzed two types of nitrogen compounds, five types of sulfur compounds, thirteen types of the aldehyde, and ten types of volatile organic compounds discharged from an outlet for antipollution facilities. The results are as following high contribution rate sustances to odor strenth was ordered butylaldehyde (73.8%) > acetaldehyde (17.7%) > propionaldehyde (4.9%) at painting facilities. At plating facilities, it was ordered Acetaldehyde (59.0%) > ammonia (19.1) > hydrogen sulfide (13.1%). At casting facilities, it was ordered Hydrogen sulfide (65.9%) > acetaldehyde (17.2%) > sulfur dioxide(5.2%). At rubber manufacturing facilities, it was ordered i-valeraldehyde (35.0%) > butylaldehyde (32.0%) > n-valeraldehyde (13.3%) and at used oil refinery facilities, it was ordered Acetaldehyde (36.8%)> butylaldehyde (33.6%) > sulfur dioxide (14.5%).
강영주,백계진,김찬중,박강수,서광엽,문향미,고은미,고영춘,김연희 한국소음진동공학회 2004 한국소음진동공학회 논문집 Vol.14 No.6
This study was carried out to investigate the present state of noise level including three general districts and two roadside areas at the Residential Area such as Sangmu, Pungam, Moonheung, and Ilgok Area. The noise level was measured quarterly. The results were shown that the noise level of day time was no great difference and that noise level of night time represented ranges between 44 to 48 dB(A). The noise level of day time was higher 4 to 7 dB(A) than night time. At the roadside areas, average noise level of day time was suitable to the requirements of environmental criteria. However. only one point of two points exceeded the noise level of environmental criteria. except Pungam Area. The noise level of night time in all areas was 58 dB(A), showing more 3 dB(A) than the environmental criteria (55 dB(A)). The difference of noise level between day time and night time was approximately 5 to 7 dB(A) in all Area. The noise level of day time was not dependent on all seasons, whereas that night time is dependent on season, especially showing lower noise level in winter. Showing the changes on the times in a day, it reached the highest at 16:00, mainly resulting in a lot of activities of people. The maximum noise level (Lmax) from 3 or 4 military aircraft showed almost the same. The noise level of aircraft in Sangmu Area was 71.5∼78.1 WECPNL,
최형일,백계진,정원삼 조선대학교 환경공해연구소 2004 環境公害硏究 Vol.18 No.-
We investigated water quality and quantity about 7 sites of Indoor Swimming pool to analyze economic or not when we recycled the sewage of swimming pool. we analyzed the sewage water quality in the laboratory, researched the documents for the economic analysis data when we introduced the water recycling system and investigated the water using volume and cost on the site of swimming pool from directly hearing. The results are as follows : 1. Water quality of indoor swimming pool sewage is BOD 10.8~25.0㎎/ℓ, COD 20.0~26.1㎎/ℓ, Therefore COD/BOD ratio is 1.4. 2. It was analyzed that highly economic value swimming pool is C.T, S.L, H.Y, H.D in respective circulation method and K.J, C.T in areal circulation method when we introduce the water recycling system. 3. The inducement policy of introducing water recycling system for the user of large amount of underground water is like this ; The more discharge the sewage, the more charged the sewage fee.
서광엽,백계진,신대윤,Seo Gwang Yeob,Paik Ke Jin,Shin Dae Yewn 한국환경보건학회 2004 한국환경보건학회지 Vol.30 No.5
We investigate changing characteristics and concentration distribution of ambient air quality using data from which obtained local ambient air monitoring network and local meterological measuring sites in Gwangju area from January to December in 2003. Sulfur dioxide ($SO_2$) showed that increase from 8 AM and decrease in 6 PM but, it was not drastically changed concentration. it also 0.010 ppm in 1995 from at this time it's decrease step by step and than some constant in year 2001 to 2003. Nitrogen dioxide ($NO_2$) concentration was showed highest peak in 10 AM and increase again at 6 PM. And also it showed peak concentration (0.026 ppm) in 2001 and decreased from after that times. Ozone was showed peak concentration in 1 PM and Nitrogen dioxide was ditto in 10 AM from this data, we can conclude that this two article ws showed chemical reaction by 3 to 5 hours. There was no case of Ozone alarm in Gwangju area since 1995, but it showed highest ozone concentration (over 0.070 ppm) in May and June of the year and 2 to 4 PM of the day and sometimes it showed increase at the dawn. Ozone product optimum condition was that air temperature is over $25^{\circ}C$, no rain and increase solar radiation (over $20MJ/m^2$) and no wind or below 2.0 m/s wind speed.