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동복호에서의 이취미물질 생성 조류에 관한 연구 - 자연수역 및 배양을 통한 이취미물질 확인
배석진,조영관,이정전,이진종 ( Seok Jin Bae,Young Gwan Cho,Jung Jun Lee,Jin Jong Lee ) 한국물환경학회 1998 한국물환경학회지 Vol.14 No.2
In order to research the odor and taste substances naturally produced by algae in the surface water of the Dongbok reservoir, we studied relationship between algal biomass and taste and odors substances in culture fluids, which were analyzed by GC/MS. Alga producing musty or earthy odors in culture media was Anabeana macrospora, Oscillatora tenuis and Phormidium tenue. The slime-producing algae were Microcystis aeruginosa, and the algae causing fishy odor was Eudorina elegans. Odor of cucumber was detected in the culture media of Peridinium, and grassy odor was detected in Synedra acus. The musty odor substance, Geosmin(171ng/L), was mainly produced by Anabaena macrospora in the Dongbok reservoir at May, 1995 when the abundance was very large, 373,740cells/L(23,400 colonies). The products of Geosmin each their colony were 0.007ng/colony. In the culture fluids, Anabaena macrospora and Oscillatoria animals produced geosmin, and Oscillatoria tenuis and Phormidium tenue produced 2-MIB. When chlorinated in culture fluids of algae, about 80% of total amount of odor and taste substances was increased. It may be caused by the release of taste and odor substances inside algae body.
황용강수계에서의 (黃龍江水系) 저서동물의 (底棲動物) 계절적 분포와 생물학적 수질평가에 관한 연구
조영관,배석진,백순기,나철호 ( Young Gwan Cho,Seok Jin Bae,Soon Ki Baik,Chul Ho Ra ) 한국하천호수학회 1996 생태와 환경 Vol.29 No.3
The benthic macroinvertebrates in the Hwangryong river occurred 51 species, 42 genera, 26 families, 10 orders, 5 classes in 3 phyla. Among them, aquatic insects containing 44 species were the major group comparing 84.6% of the whole. In particular, a great many Ephemeroptera containing 17 species occurred and Megaloptera were found only in 2 species. Also, there were 4 species of Trichoptera. The comparison of species at each site revealed the largest number of 29 species at site 2 and 3 respectivly, and the smallest was 18 species at site 1. The seasonal number of collected species were similar, as followers; 30 species occurred in winter, 25 species in spring, 28 species in summer, and 22 species in autumn. On comparing individual numbers in this survey, Ephemeroptera were the highest (50%) and Trichoptera were 37%. The most dominant species belonged to Trichoptera and Ephemeroptera. Above all, Uracanthella rufa and Cheumatopsyche brevilineata were dominant. Dominant indices ranged from 0.46 to 0.94. Species diversity indices ranged from 1.04 to 3.00. According to the saprobic system based on the species diversity indices of benthic macroinvertebrates, water quality was β-mesosaprobic in each site. The biological water quality as biotic indices was evaluated from α- to β-mesosaprobic, the pollution indices evaluated β-mesosaprobics, the simple water quality evaluation revealed secondary water quality criteria and the GPI evaluated ranged from oligosaprobics to β-mesosaprobics. The biological water quality evaluation by these indices proved similar to the results of chemical analysis.
조영관,배석진,백순기,이정전 ( Young Gwan Cho,Seok Jin Bae,Soon Ki Baik,Jung Jun Lee ) 한국물환경학회 1996 한국물환경학회지 Vol.12 No.3
When wild growing plants such as Alopecurus aegualu var. amurensis were submerged in water for experiment, the conductivity and color of the water increased to a maximum 67 times that of raw water on the edged of Dongbok reservoir. In case of withered matters of Setaria viridis, the variation of color vas small, but when withered matters of Persicaria lapathafolia - which is used for dye materials - were submerged, the increasing rate of water color was very high. The variation of concentration of phosphorus and nitrogen in growing plants such as A. aegualis var, amurensis was 4∼37times and 2.5∼10times higher than that of withered plants(S. viridis and P. lapathafolia). As for treatment method. when ashes of A. aegualis var. amurensis were submerged in water, the concentration of total nitrogen(TN) and total phosphorus(TP) decreased more than that of non-treated. On the contrary, in case of withered matter of Persicaris lapathafolia, when ashes were submerged in water, the concentration of TN and TP increased more than that of the nontreated. Total nitrogen amount from the total plant biomass in the Dongbok reservoir was 12,821㎏ and total phosphorus amount was 1,141㎏. From among them, the amount of TN and TP in Persicaria lapathafolia was larger than that of any other dominant species.
광주지역 산업단지 도장·인쇄시설의 휘발성유기화합물 배출 특성 평가
김승호,서동주,김하람,박진환,이기원,배석진,송형명,Kim, Seung-Ho,Seo, Dong-Ju,Kim, Ha-Ram,Park, Jin-Hwan,Lee, Ki-Won,Bae, Seok-Jin,Song, Hyeong-Myeong 한국환경과학회 2020 한국환경과학회지 Vol.29 No.5
This study analyses the characteristics of volatile organic compounds (VOCs) emissions from the painting and printing facilities, as well as ambient VOCs at industrial complexes in Gwangju. The major components of VOCs emissions from painting facilities were toluene, acetone, 2-butanone, ethyl acetate, ethyl benzene, o-xylene and m,p-xylene. The printing facilities mostly emitted ethyl acetate, 2-butanone, acetone and toluene. Aromatics (49.9%) and oxygenated VOCs (43.6%) were dominant in painting facilities, while oxygenated VOCs (92.7%) were the largest group in printing facilities. The total hydrocarbon concentration (THC) in printing facilities was approximately six times higher than in the painting facilities. The painting and printing facilities use many solvents. Their THC concentrations differed considerably depending on the type of prevention facilities. To reduce THC, it is necessary to improve the prevention facilities and operating conditions. The dominant species of ambient VOCs in industrial complexes were investigated with toluene, ethyl acetate, 2-butanone, ethyl benzene, m,p-xylene, butyl acetate, o-xylene, hexane and acetone. Factor analysis of ambient VOCs showed that the main sources of the VOCs were organic solvents used in painting, coating, and printing, as well as automobile emissions.
수용모델(PMF)을 이용한 광주산업단지 VOCs의 오염원별 기여도 추정
박진환,박병훈,김승호,양윤철,이기원,배석진,송형명,Park, Jin-Hwan,Park, Byoung-Hoon,Kim, Seung-Ho,Yang, Yoon-Cheol,Lee, Ki-Won,Bae, Seok-Jin,Song, Hyeong-Myeong 한국환경과학회 2021 한국환경과학회지 Vol.30 No.3
Industrial emissions, mainly from industrial complexes, are important sources of ambient Volatile Organic Compounds (VOCs). Identification of the significant VOC sources from industrial complexes has practical significance for emission reduction. VOC samples were collected from July 2019 to June 2020. A Positive Matrix Factorization (PMF) receptor model was used to evaluate the VOC sources in the area. Four sources were identified by PMF analysis, including coating-1, coating-2, printing, and vehicle exhaust. The coating-1 source was revealed to have the highest contribution (41.5%), followed by coating-2 (23.9%), printing (23.1%), and vehicle exhaust (11.6%). The source showing the highest contribution was coating emissions, originating from the northwest to southwest of the sample site. It also relates to facilities that produce auto parts. The major components of VOC emissions from the coating facilities were toluene, m,p-xylene, ethylbenzene, o-xylene, and butyl acetate. Industrial emissions should be the top priority to meet the relevant control criteria, followed by vehicular emissions. This study provides a strategy for VOC source apportionment from an industrial complex, which is helpful in the development of targeted control strategies.
조민철,김승호,나혜윤,김난희,조광운,배석진,이세행,Cho, Min-cheol,Kim, Seung-Ho,Na, Hye-Yun,Kim, Nan-Hee,Cho, Gwang-un,Bae, Seok-Jin,Lee, Se-Haeng 한국환경과학회 2022 한국환경과학회지 Vol.31 No.5
This study was conducted to propose a way to increase the accuracy and precision of 𝛽-ray measurement equipment. Statistical processing results of equivalent evaluation data from 2016 to 2021 confirmed that the concentration of micro dust measured by 𝛽-ray measurement equipment was higher than that of micro dust sampler. According to quarterly data, it was confirmed that the data from the third quarter (July to September) showed a different trend from other periods, which is assumed to be due to weather conditions. This study indicates that automatic micro-dust measurement equipment evaluation at air pollution measuring stations during the third quarter should be excluded. The evaluation cycle should be changed from once every two years to quarterly. In addition, when the criterion for determining equivalence evaluation falls within the range of the slope and intercept values of the existing trend line, it is necessary to evaluate the R<sup>2</sup> value together and reduce the slope from 0.9-1.1 to 0.9-1.0.
토지이용실태에 따른 하남산업단지 토양오염물질 분포 특성에 관한 연구
공화진,위환,김승호,박옥현,장길식,정희윤,배석진,정숙경,조영관,Kong, Hwa-jin,Wi, Whan,Kim, Seung-ho,Park, Ok-hyun,Jang, Gil-sik,Jung, Hee-yun,Bae, Seok-jin,Jeong, Suk-kyung,Cho, Young-gwan 한국지하수토양환경학회 2018 지하수토양환경 Vol.23 No.2
Soil contamination survey was conducted during March - July, 2017 to obtain soil contamination profile of 16 organic and inorganic contaminants in Hanam industrial complex located in Gwangju, Korea. The concentrations of all surveyed contaminants except Cd showed were within 0.3~1.5 times of their natural background levels. Cd showed concentrations as high as 6.9 times of the background level, signifying the influence of the metal processing facilities in the complex. The concentrations of Zn, Pb and Hg in areas nearby industrial facilities were 1.3~5.5 times higher than those within the facility and green area. The concentration of Cu in the green area was 1.4~2.9 times higher than in other areas. The Soil Pollution Index (SPI) analysis revealed 54% of the total area belong to first-grade soil, 43% to second-grade, and 3% to third-grade. The Enrichment Factor (EF) of Zn, Pb, and Cd were 9.2, 15.6, and 88.5, respectively, indicating high accumulation and contamination of the soil with Cd.