http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
국내 먹는샘물 원수 중 바륨(Ba)의 수질 특성에 관한 연구
이이내,안경희,양미희,최인철,정현미,이원석,박주현,Lee, Leenae,Ahn, Kyunghee,Yang, Mihee,Choi, Incheol,Chung, Hyenmi,Lee, Wonseok,Park, Juhyun 한국물환경학회 2017 한국물환경학회지 Vol.33 No.4
The subject samples include 150 and 170 samples collected from intake holes in the former and latter half of 2015, respectively. They were analyzed with ICP-MS. The average concentration of detected barium was $10.54{\mu}g/L$ ($0.23{\sim}168.22{\mu}g/L$) and $8.21{\mu}g/L$ ($0{\sim}255.65{\mu}g/L$) for the former and latter halves of 2015, respectively. The concentration distribution was the highest for the precambrian era at $19.07{\mu}g/L$ and the lowest Cenozoic era at $4.92{\mu}g/L$. The average value for sedimentary, metamorphic, and igneous rocks was $7.84{\mu}g/L$, $20.84{\mu}g/L$, and $9.47{\mu}g/L$, respectively, which indicates that it was the highest for metamorphic rocks. The study also analyzed correlations between barium and other minerals and found that magnesium recorded 0.44 and 0.71 for the former and latter half of 2015, respectively. As for barium concentration according to depth, it was relatively low in shallow groundwater (under 200 m) with its average concentration at $14.33{\mu}g/L$ and $14.71{\mu}g/L$ for the former and latter half of 2015, respectively. It was $8.53{\mu}g/L$ and $4.04{\mu}g/L$ in deep groundwater (over 200 m) for the two periods, respectively, The risk assessment results show that its average risk was HQ 0.00139 and HQ 0.00163 for the former and latter half of 2015, respectively, being considerably lower than "1", which suggests that barium poses few possibilities of consumption risk.
국내 유통 중인 먹는샘물 원수의 이온류 수질 특성에 관한 연구
이이내 ( Leenae Lee ),안경희 ( Kyunghee Ahn ),민병대 ( Byungdae Min ),양미희 ( Mihee Yang ),최인철 ( Incheol Choi ),정현미 ( Hyenmi Chung ),박주현 ( Juhyun Park ) 한국물환경학회(구 한국수질보전학회) 2016 한국물환경학회지 Vol.32 No.5
The goal of this study is to provide basic data to establish a foundation for the provision of safe drinkable water. The raw water of natural mineral water was analyzed to determine the quantities of anions (F<sup>-</sup>, Cl<sup>-</sup>, NO<sub>3</sub>-N<sup>-</sup>, and SO<sub>4</sub><sup>2-</sup>) and cations (Ca<sup>2+</sup>, K<sup>+</sup>, Mg<sup>2+</sup>, and Na<sup>+</sup>) during the former and latter half of 2016. Analysis of the current quality of the raw water of natural mineral water among domestic manufacturers showed average anions contents of 0.46㎎/L of fluorine, 8㎎/L of chlorine ion, 1.5㎎/L of nitrate nitrogen, and 12㎎/L of sulfate ion. While the fluorine content was greater than the water quality criterion of 2.0㎎/L at four points, the fluorine level was overall stable. The average cations contents included 21.3㎎/L of calcium, 1.0㎎/L of potassium, 3.4㎎/L of magnesium, and 9.6㎎/L of sodium. The chemical characteristics were compared among the major ions, and the results are presented in a piper diagram. The content ratio of cations was in the order of Ca<sup>2+</sup>>Na<sup>+</sup>>Mg<sup>2+</sup>>K<sup>+</sup>, whereas that of anions was in the order of SO<sub>4</sub><sup>2-</sup>〉Cl<sup>-</sup>>NO<sub>3-</sub>N>F<sup>-</sup>. While the cations were slightly scattered, the anions were generally concentrated except for at a few points. The Ca-Na-HCO<sub>3</sub> type was dominant overall in water sources from diorite, gneiss, and granite, while the Na-Mg-Ca-HCO<sub>3</sub>-Cl type was dominant in basalt sources. Mineral water manufacturers source their water under various conditions, including in-hole casing, excavation depth, and contact state of bedrock; even within the same rocky area, some differences in the water quality type can occur. When the depth of the water source was taken into account, the mean anions contents of F<sup>-</sup>, Cl<sup>-</sup>, NO<sub>3</sub>-N<sup>-</sup>, and SO<sub>4</sub><sup>2-</sup> were similar, with no significant differences according to depth. Of the cations, K<sup>+</sup> and Na<sup>+</sup> showed no significant differences across all the tubular wells, whereas Ca<sup>2+</sup> and Mg<sup>2+</sup> decreased in content with depth.
유역하수도에서 강화된 방류수 수질 준수농도 적용을 위한 진위천수계 수질영향 평가
정동환 ( Donghwan Jeong ),조양석 ( Yangseok Cho ),안기홍 ( Ki Hong Ahn ),류지철 ( Jichul Ryu ),안경희 ( Kyunghee Ahn ),정현미 ( Hyenmi Chung ),권오상 ( Ohsang Kwon ) 한국환경영향평가학회 2015 환경영향평가 Vol.24 No.5
The different compliance concentration of effluent limit is applied to effluent discharged from public sewage treatment works(PSTWs) in each watershed on the basis of water quality thereof in accordance with the enforced Watershed Sewer System Maintenance Plan in 2013. It is necessary to set the compliance concentration of effluent limit for PSTWs in watershed sewer system, in order to achieve water quality criteria for regional watersheds or target water quality under TMDL program. Watershed Environmental Agencies establish the Watershed Sewer System Maintenance Plan and set the compliance concentration of effluent limit for PSTWs under the plan. The agencies have a plan to apply strengthened effluent BOD concentration limits for PSTWs in Ⅰ to Ⅳ area grade, respectively. Effluent BOD concentration limits will be strengthened from 5~10 mg/L to 3 mg/L in Ⅱ~Ⅲ area grade, from 10 mg/L to 5 mg/L in Ⅳ area grade. Uniform application of effluent BOD concentration limits to PSTWs in the watershed sewer system need to be complemented considering type of sewage treatment technology employed and watershed characteristics. Therefore, this study presents assessment methodology which analyze for the compliance concentration of effluent limit to affect water quality of discharge watershed using simulation model for the Jinwee-stream watershed.
하수처리시설에서 최적처리기술 평가 방법론 고찰 - 미국과 유럽의 사례를 중심으로 -
정동환 ( Dong Hwan Jeong ),조양석 ( Yangseok Cho ),최인철 ( In Cheol Choi ),안경희 ( Kyunghee Ahn ),정현미 ( Hyen Mi Chung ),권오상 ( Ohsang Kwon ) 한국환경영향평가학회 2015 환경영향평가 Vol.24 No.4
유역의 수질환경기준(중권역 목표기준) 또는 수질오염총량관리 목표수질을 달성하기 위하여 유역내 지역별·시설규모별 하수처리장에 대한 방류수 수질 준수농도(안)을 설정하는 것이 필요하다. 공공하수처리시설에서 하수처리기술은 혐기-무산소-호기 하수처리법에서부터 다양한 처리기술이 적용되고 있으며, 운영관리에 따라 효율의 차이가 나는 등 다양한 요인에 따라 처리효율이 달라질 수 있다. 또한 처리효율뿐만 아니라 전력 등 에너지 소요비용도 고려하여 각 유역환경 조건에 맞는 적합한 처리기술을 적용하는 것이 필요하다. 본 연구에서는 유역하수도정비계획 수립 시 공공하수처리시설에 적용하는데 필요한 최적처리기술을 평가하기 위해 미국과 유럽의 산업계 배출수 처리시설에 대한 최적처리기술 평가 방법을 검토하여 우리나라 공공하수처리시설의 운영관리에 적합한 최적처리기술 평가지침의 평가항목을 제시하였다. In order to assess sewage treatment technology necessary to achieve water quality criteria in the watershed and to ensure best treatment technology is applied in building and expanding PSTWs when establishing the Watershed Sewer System Maintenance Plan, it is necessary to develop assessment guidelines to determinate the best treatment technologies applicable to the public sewage treatment works(PSTWs). Sewage treatment technologies such as anaerobic-anoxic-aerobic treatment process are employed at PSTWs, and treatment efficiency varies due to many factors such as how the PSTWs are operated. Therefore, analyzing assessment guideline of best available technology(BAT) using currently in USA and EU, this study presents assessment parameters for the assessment guidelines to be used in determining the best treatment technologies applicable to PSTWs. We have a plan to implement pilot assessment in preparation for the final assessment guidelines based on the results of professionals survey and to determine weighted factors and assessment parameters using analytic hierarchy process (AHP).