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한국환경분석학회지 update

Journal of the Korea Society for Environmental Analysis

  • : 한국환경분석학회
  • : 공학분야  >  환경공학
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수록정보
수록범위 : 1권1호(1998)~21권3호(2018) |수록논문 수 : 724
한국환경분석학회지
21권3호(2018년 09월) 수록논문
최근 권호 논문
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KCI등재

1금강수계 보구간 표층퇴적물 오염도 평가

저자 : 양윤모 ( Yunmo Yang ) , 오다연 ( Dayeon Oh ) , 김대현 ( Daehyun Kim ) , 이대희 ( Daehee Lee ) , 길기범 ( Gibeom Kil ) , 조윤해 ( Yoonhae Cho ) , 이혜리 ( Hyeri Lee ) , 천세억 ( Seok Cheon ) , 채민희 ( Minhee Chae )

발행기관 : 한국환경분석학회 간행물 : 한국환경분석학회지 21권 3호 발행 연도 : 2018 페이지 : pp. 125-138 (14 pages)

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To evaluate the overall level of pollution in surface sediments of weir-constructed sections in the Geum River, samples were collected at nine sites four times during the period from 2015 to 2016 (a total of 36 samples). Particle size distribution, organic matter, nutrients, and heavy metals were analyzed. The surface sediments were composed mainly of sand, and the sediment types were S (sand), zS (silty sand), and sZ (sandy silt). The concentrations of IL, T-N, and T-P were lower than the values of the class IV sediment pollution evaluation level (National Institute of Environmental Research standards). The results showed that the research sites were not severely or apparently not polluted by organic matter and nutrients. The pollution assessment and ecological risk of heavy metals were evaluated using various geochemical assessment indices (Igeo, EF, mPELkQ, and PLI). Our results indicate that there was anthropogenic pollution in the study area, moderately polluted especially by Cd and Zn.

KCI등재

2석탄폐기물을 이용한 강화플라스틱 소재개발(III)

저자 : 윤중수 ( Joong-soo Yoon ) , 이상우 ( Sang-woo Lee ) , 최종문 ( Jong-moon Choi )

발행기관 : 한국환경분석학회 간행물 : 한국환경분석학회지 21권 3호 발행 연도 : 2018 페이지 : pp. 139-147 (9 pages)

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Reinforced plastics containing waste polypropylene, waste coal, and fly ash were manufactured, and the usefulness of reinforcing agents such as waste coal and fly ash was investigated from the physical properties of the manufactured reinforced plastics. The physical properties (tensile strength, tensile elongation, flexural strength, impact strength, and hardness) of the manufactured reinforced plastic using waste coal or fly ash as the reinforcing agent were superior to those of general particle-reinforced plastics but inferior to those of fiberreinforced plastics. When increasing amounts of reinforcing agents were added, the physical properties of the reinforced plastic increased proportionally. In general, the efficiency of fly ash as a reinforcing agent is better than that of coal waste. Using a combination of the two reinforcing agents, improved the physical properties of reinforced plastic compared to those of the individual agents because of the homogeneity of the mixture. Because coal waste and fly ash may contain various harmful ingredients, their elution will be of concern in long term. However, harmful components such as cadmium, chromium, mercury, lead, and organic bromine were not detected in these wastes. The manufactured reinforced plastics investigated in this work may be used to replace the concrete rain storage systems, which have a high construction cost, weak shock-resistance, and are difficult to manage. Moreover environmental problems due to waste coal and fly ash can be minimized if they are reused as reinforcing agents.

KCI등재

3경기도내 먹는물 공동시설의 수질 개선방안 조사

저자 : 최필권 ( Phil-kweon Choi ) , 허평 ( Pyung Huh ) , 이경희 ( Kyong-hee Lee ) , 조덕희 ( Deok-hee Cho ) , 김창규 ( Chang-gyu Kim ) , 김태화 ( Tae-hwa Kim )

발행기관 : 한국환경분석학회 간행물 : 한국환경분석학회지 21권 3호 발행 연도 : 2018 페이지 : pp. 148-153 (6 pages)

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In this study, mineral springs were monitored to determine whether they are being contaminated by rainfall onto microorganisms. In addition, the sterilization efficiency of an ultraviolet sterilizer used in various mineral springs was investigated. It was observed that the incongruity rates of total coliforms, fecal coliforms, and heterotrophic plate counts were 64.8%, 20.1%, and 11.4% respectively. In July, when rainfall was high, the incongruity rates of microorganism-related characteristics were at their highest (76%), suggesting that changes in precipitation were directly related to incongruity rates of microorganism-related characteristics within mineral springs. A T-test result of 0.002 (p<0.05, significant, 2-tailed) between the clay contents of soil in the valley and those of a control soil suggested that the possibility of underground penetration of soil in the valley is higher than that of general soil. Results of the sterilization test showed that E. coli was inactivated at the time of contact with an ultraviolet intensity of 10,000±20 μW/cm2 for at least 3 seconds and no photorecovery was observed.

KCI등재

4소나무 나이테별 중금속 농도의 시계열 분포 특성

저자 : 최종우 ( Jong-woo Choi ) , 김지영 ( Jee-young Kim ) , 김민섭 ( Min Seob Kim ) , 윤숙희 ( Suk-hee Yoon ) , 임보라 ( Bo Ra Lim ) , 박재선 ( Jae Seon Park )

발행기관 : 한국환경분석학회 간행물 : 한국환경분석학회지 21권 3호 발행 연도 : 2018 페이지 : pp. 154-164 (11 pages)

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A study on the environmental pollution history in a zinc refinery and background areas was conducted by analyzing heavy metal concentrations and stable isotope ratios (13C, Pb) in pine tree rings. The δ13C ratio of pine tree rings in the zinc refinery (SN1, S6) and background areas (B3) increased from 1968 to 1987. However, since 1988, there have been regional differences in this value. The δ13C value of the pine tree rings in the S6 area was found to be negatively correlated with those in the SN1 area, and that in the B3 area showed a positive correlation with the average atmospheric temperature in the winter season. During the 1980 to 1990 period, the concentration of five heavy metals (Pb, Cd, Cr, Mn, and Zn) in the pine tree rings was 2-10 times higher than those during the last five years. Particularly, the concentration of zinc ion appeared to be higher (28.8 μg/g) than that of other ions such as lead (3.1 μg/g) and cadmium (3.1 μg/g). This indicates that there has been a higher correlation between heavy metal concentrations and environmental pollution history since 1970, when the refinery construction was completed. On comparing the lead isotope ratios in the pine tree rings using Laser Ablation-MC/ICP/MS, it was estimated that the lead source could vary with the seasons, but the changes in the heavy metal absorption mechanisms of pine trees will be considered.

KCI등재

5낙동강수계 유기물 분포특성과 소독부산물 생성능과의 상관성에 관한 연구

저자 : 김지혜 ( Jihye Kim ) , 김정희 ( Jeonghee Kim ) , 최일환 ( Il Hwan Choi ) , 이영주 ( Yeoungjoo-lee ) , 이은정 ( Eunjung-lee )

발행기관 : 한국환경분석학회 간행물 : 한국환경분석학회지 21권 3호 발행 연도 : 2018 페이지 : pp. 165-171 (7 pages)

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Recently, there have been steady increases in the concentration of disinfection byproducts (DBP) in water treatment plants using the Nakdong River as a source. Therefore, a study was carried out investigating the correlation between organic matter and DBP in the Nakdong River water system. There were no significant differences in organic matter concentrations between the main stream and tributaries of the Nakdong River during this study. However, in July and August, the months of heaviest rainfall, humic substances (HS), known to be DBP precursors, increased by over 60% compared with May and June. The origin of organic matter in the Nakdong River was analyzed using an HS-diagram, which generally showed pedogenic fulvic acid (FA) characteristics; this is hypothesized to be the effect of organic material entering with turbid water from upstream. While there was a 26% increase in organic matter in July and August, the DBP trihalomethanes formation potential (THMFP) and haloacetic acid formation potential (HAAFP) increased by 36% and 91%, respectively. Thus, DBP increased at a higher than organic matter during this study. The DBP formation potential per unit organic matter was found to be 0.103 for THMFP and 0.016 for HAAFP.

KCI등재

6석탄화력발전시설에서 배출되는 TSP, PM10, PM2.5의 유해중금속 분포

저자 : 송금주 ( Geum-ju Song ) , 문영훈 ( Young-hoon Moon ) , 주종호 ( Jong-ho Joo ) , 이아영 ( A-yeoung Lee ) , 이재복 ( Jae-bok Lee )

발행기관 : 한국환경분석학회 간행물 : 한국환경분석학회지 21권 3호 발행 연도 : 2018 페이지 : pp. 172-180 (9 pages)

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In this study, the distributions of hazardous heavy metals (HHMs) in TSP, PM10, PM2.5 were investigated. In the coal used in the tested plant, that Zn and Cu were most common HHMs, and Cd was rarest. In TSPs from the SCR inlet, FGD inlet and stack, the content of Zn in the coal was the highest, but the distributions of other HHMs were different. At the SCR inlet, the distributions of HHMs in PM10 and TSP differed, and concentration of HHMs in PM10 and TSP was increased. At the FGD inlet and stack the HHM distributions in PM10 and TSP were the same. At the SCR inlet, the HHM distribution in PM2.5 differed from those in TSP and PM10. At the SCR inlet, the HHM concentration was higher in PM2.5 than in TSP and PM10. At the FGD inlet and stack the distribution of HHMs in PM2.5 was very different from those in TSP and PM10 at FGD.

KCI등재

7수계 화학사고 물질의 신속한 측정을 위한 온라인 헤드스페이스-직접 질량분석법 개발

저자 : 윤근석 ( Geun-seok Yoon ) , 이선홍 ( Sun-hong Lee ) , 최재원 ( Jae-won Choi )

발행기관 : 한국환경분석학회 간행물 : 한국환경분석학회지 21권 3호 발행 연도 : 2018 페이지 : pp. 181-190 (10 pages)

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In the present study, real-time analytical method was developed to monitor the sudden chemical discharge or accident. Selected Ion Flow Tube-Mass Spectrometry (SIFT-MS) coupled with online headspace technique was applied to evaluate the feasibility of 12 organic compounds in aqueous samples for the first time in Korea. Target compounds were calibrated at five points ranged from 0.5 to 5 mg/L. As a result, the correlation coefficients of calibration curves were in the range of 0.92-0.99. From the repeated measurements, the limit of quantification (LOQ) was ranged between 0.11 and 1.28 mg/L. In the fugacity approach (closed system, steady-state assumption) transport of chemicals into the headspace is highly correlated with the air-water partition coefficient (KAW). 1,1-dichloroethene and propylene oxide showed quadratic types of calibration curves due to relatively high KAW values. These studies showed that the most organic compounds were clearly detected compared with Korean ambient water analytical guidelines. Thus, with further improvements in the increase of sensitivity and the number of detectable compounds could be a valuable online aquatic monitoring strategy.

KCI등재

8매립가스 중 실록산 샘플링 방법 개선

저자 : 이경로 ( Kyung-lo Lee ) , 최종우 ( Jong-woo Choi )

발행기관 : 한국환경분석학회 간행물 : 한국환경분석학회지 21권 3호 발행 연도 : 2018 페이지 : pp. 191-197 (7 pages)

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The presence of trace amounts of siloxanes in landfill gas (LFG) may lead to mechanical malfunction and deteriorate the gasification efficiency. Hence, it is imperative to develop an accurate and reliable method to measure the siloxane concentrate in an LFG. In this study, two test methods were used in order to determine optimum sampling conditions for effective measurement of siloxane concentrations in emitted landfill gases. The experiment was carried out using the solvent absorption method and the solid adsorption method. D4 and D5 siloxane molecules, which account for 90% of the total concentration in the material, were analyzed by each method using different solvents and flow rates at different temperatures. When acetone was used, the recovery rates of D4 for the solvent absorption and the solid adsorption method were increased to 7.1% and 8.6%, respectively, as compared with using methanol. The recovery rates of D5 for both methods increased to 19.6% and 26.6% as well. It was found that using acetone has a much higher recovery rate than using methanol as a solvent in both methods. Besides, the method in which the absorption solvent is cooled to a low temperature using dry ice showed the highest recovery rate. Also, the solid adsorption method can measure siloxanes concentration faster than solvent absorption method by improving the adsorption tubes, reducing sampling time and resolving equipment complexity.

KCI등재

9국내 지하수(샘물)의 중금속 잔류 현황 및 안전성 관리 방안 연구

저자 : 이이내 ( Lee-nae Lee ) , 손보영 ( Bo-young Son ) , 양미희 ( Mi-hee Yang ) , 박상민 ( Sang-min Park ) , 이원석 ( Won-seok Lee ) , 박주현 ( Ju-hyun Park )

발행기관 : 한국환경분석학회 간행물 : 한국환경분석학회지 21권 3호 발행 연도 : 2018 페이지 : pp. 198-207 (10 pages)

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As part of a risk assessment, this study assessed all the intake holes used by spring water manufacturers. The main findings are summarized here. The detection rate of 10 elements, including boron, was approximately 60% or higher, and antimony was recorded at a rate of 45% or so. Arsenic, which is one of the contaminants assessed in the water quality standard for drinking water, exceeded the limit at four and three sites in the former and latter half of the year, respectively. The other contaminants were within regulatory limits. Antimony and molybdenum, which are on the water quality watch list, were also within the appropriate range. All other hazardous trace elements were recorded at a considerably lower level than the overseas standards. The non-carcinogenic toxicity risk value was obtained by dividing the lifetime average daily dose (LADD) by the reference dose (RfD) of intake toxicity exposure. The hazard quotient (HQ) was below 1/10th of the WHO limit for all elements. The risk evaluation results were below 1/10th of the WHO risk limit and therefore, raised no risk concerns, however, there is a need perform regular examinations on the elements with high detection frequency and assess their exposure amount. In the future, quality management or drinking water will require regular checks and the regulation of hygiene in the manufacturing process. Furthermore, it is necessary to monitor and manage new elements that originate in geological features.

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(2006)홍길동 외 1명심리학41회 피인용

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(2006)홍길동41회 피인용

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