http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
LCA 기법을 이용한 소맥분 생산 공정의 환경 영향 평가
추덕성,권혁구,김종규,이장훈,Chu, Duk-Sung,Kwon, Hyuk-Ku,Kim, Jong-Geu,Lee, Jang-Hoon 한국환경보건학회 2008 한국환경보건학회지 Vol.34 No.1
The life cycle assessment method for environmental impact assessment was used, in this study, to assess the production process of wheat flour which is the most important material in the food industry. Environmental impact assessments were compared between that of the Ministry of Environment, Republic of Korea (method I) with that of the Ministry of Commerce, Industry and Energy (method II). Life cycle inventories (LCI) was performed using internal and external databases and the production statistics database of company S. The procedure of life cycle impact assessment (LCIA) was followed in terms of classification, characterization, normalization and weighting to identify the key issues. The impact categories of method I were divided into 8 categories with consideration of : abiotic resources depletion, global warming, ozone depletion, photochemical oxidant creation, acidification and eutrophication. The impact categories of method II were divided into 10 categories with consideration of: abiotic resources depletion, global warming, ozone depletion, photochemical oxidant creation, acidification, eutrophication, human toxicity, freshwater aquatic ecotoxicity, marine aquatic ecotoxicity and terrestrial ecotoxicity.
LCA기법을 이용한 소맥분 생산 공정의 환경위해성 평가
추덕성,김종규,권혁구,이장훈 한국보건교육건강증진학회 2007 한국보건교육·건강증진학회 학술대회 발표논문집 Vol.- No.-
식품산업에서 가장 중요한 원료인 소맥분의 생산 공정을 대상으로 LCA기법을 적용하여 환경위해성 평가하였으며 각 공정의 잠재적 환경영향 발생특성을 연구하였다. 인간독성, 수계생태독성, 해양생태독성, 토양생태독성 등 4가지 범주에 대해 평가를 수행한 결과 가중치 부여 단계를 최종 단계로 판단할 때 포장공정의 환경영향이 가장 큰 것으로 조사되었다.
도심지역 인공호의 수질관리를 위한 지표세균에 관한 연구
추덕성,권혁구,이상은,이장훈,Chu, Duk-Sung,Kwon, Hyuk-Ku,Lee, Sang-Eun,Lee, Jang-Hoon 한국환경보건학회 2007 한국환경보건학회지 Vol.33 No.4
Distribution of fecal pollution indicator bacteria and environmental parameter were investigated of urban artificial lakes. An average concentration of temperature, pH, SS, DO, $COD_{Mn}$, T-P, T-N, Turbidity, Chl-a were $21.5^{\circ}C$, 8.07, 116.70 mg/l, 8.66 mg/l, 2.24 mg/1, 0.52 mg/l, 1.71mg/l, 80.54 NTU, and 52.12 mg/l respectively. From the results of bivariate correlation analysis, fecal contamination indicator bacteria were found to be mutually correlated. And turbidity and suspended solid were correlated. From the results of principal component analysis, four factors were extracted. And four factors of variance explained up to 81.5 percentage. Factor 1 was pollution pattern by fecal contamination, factor 2 was physical pollution pattern by pollution source, factor 3 was natural pollution by precipitation, and factor 4 was artificial pollution pattern by organism.
악취가스 제어를 위한 Bio-filter 담체의 특성 비교
이혜성,추덕성,정준오,Lee, Hye-Sung,Chu, Duk-Sung,Jung, Joon-Oh 한국환경보건학회 2008 한국환경보건학회지 Vol.34 No.1
Bio-filtration utilizes microorganisms fixed to a porous medium to metabolize pollutants present in an air stream. The microorganisms grow in a bio-film on the surface of a medium or are suspended in the water phase surrounding the medium particles. Therefore, bio-filter support media play one of the most important key roles in bio-filtration of gas phase pollutants. To characterize and select the appropriate support media, gas adsorption capacity and microorganism immobilization were investigated in lab-scale experiments for the selected target support media which were compost I (compost from lab-scale process), compost II (compost from municipal facility), bark, wood chip, orchid stone and vermiculite. As odor materials, ammonia and trimethylamine were utilized. From the result of experiments, bark was superior to any other support media tested in adsorption capacity as much as 12.5 mg ammonia per 1 g bark. In trimethylamine adsorption, bark and wood chip showed a remarkable results of 21.1 and 14.1 mg/g respectively. On the other hand, microorganism fixation test determined by the count of nitrogen oxidizing microbes population, the compost II and wood chips showed the best results. Considering the characteristics of materials and the operating condition of the bio-filter, bark, wood chip, and compost II are applicable to the support media of bio-filter when they are appropriately blended on the basis of studying the media pH, packing porosity and moisture contents.
유기성 폐기물의 발생 악취 제거를 위한 Delftia sp.의 성장조건 최적화
권혁구,정준오,추덕성,이장훈,Kwon, Hyuk-Ku,Jung, Joon-Oh,Chu, Duk-Sung,Lee, Jang-Hoon 한국환경보건학회 2009 한국환경보건학회지 Vol.35 No.5
We isolated and identified a microorganism which was excellent for ammonia oxidation in the biological control of ammonia gas in odor producing materials from organic composting. The isolated strain was tested for growth characteristics and ammonia elimination efficiency under various conditions of temperature, pH, carbon concentration and ammonia concentration. The strain was isolated from a culture broth used in a $NO_2$ producing test with Griess-Ilosvay reagent. The results of 16S rRNA sequence from the isolated strain by using BLANST (Basic Local Alignment Search Tool) and confirming RDP (Ribosomal Database Project II) and ERRD (The European Ribosomal RNA Database) indicate that the strain is related to Delftia sp. UV-Spectrophotometer (Shimadzu, UVmini-1240) was used as a microbial growth test by measuring turbidity on OD660nm and ammonia concentration was measured by Spectrophotometer (HACH, DR-4000). The optimum growth culture conditions of the ammonia oxidizer Delftia sp. were $30^{\circ}C$, pH 7, glucose concentration 1.00% and $(NH_4)_2SO_4$ 0.5 g/l. Ammonia elimination efficiency was over 94% under the same conditions.