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Characterization of PCDDs/PCDFs Profiles of Various Emission Sources
( Geum Ju Song ),( Kyoung Hee Choi ) 한국환경분석학회 2011 환경분석과 독성보건 Vol.14 No.1
The homologue and congener profiles of PCDDs/PCDFs were characterized for various emission sources in an industrial complex in the west of Seoul, the capital of Korea, in order to identify the own profile and to compare the emission characteristics at each emission source. Waste incinerators and manufacturing industrial plants were identified as the major emission sources. PCDDs/PCDFs were sampled three times from stack emission of each facility and all congeners of PCDD/PCDF were analyzed. The homologue profile was calculated as the ratio of the concentration of each homologue to the total concentration of all homologues. The congener profile was calculated as the ratio of the concentration of each 2,3,7,8-substituted congeners to the total concentration of homologues from Cl4DDs/DFs to Cl8DDs/DFs. The congeners from Cl1DDs/DFs to Cl3DDs/DFs were emitted more from manufacturing industry sources and the congeners from Cl4DDs/DFs to Cl8DDs/DFs were emitted more from waste incineration sources. The homologue profiles and congener profiles by concentration were different according to emission sources, but the congener profiles by toxic equivalents (TEQ) value were similar among the sources. Therefore, PCDDs/PCDFs profiles in various emission sources could be characterized with homologue profiles and congener profiles by concentration, but not by the congener profile with TEQ value.
석탄화력발전시설에서 배출되는 TSP, PM10, PM2.5의 유해중금속 분포
송금주 ( Geum-ju Song ),문영훈 ( Young-hoon Moon ),주종호 ( Jong-ho Joo ),이아영 ( A-yeoung Lee ),이재복 ( Jae-bok Lee ) 한국환경분석학회 2018 환경분석과 독성보건 Vol.21 No.3
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.
송금주 ( Geum-ju Song ),문영훈 ( Young-hoon Moon ),주종호 ( Jong-ho Joo ),이아영 ( A-yeoung Lee ),권도형 ( Do-hyung Kwon ),김영희 ( Younghee Kim ),석광설 ( Kwang-seol Seok ) 한국환경분석학회 2016 환경분석과 독성보건 Vol.19 No.3
The lead (Pb) and cadmium (Cd) distribution characteristics was investigated in the zinc, lead and copper smelting plants for the assessment of anthropogenic Pb and Cd emitted from the non ferrous smelting plants. To assess the anthropogenic Pb and Cd emitted from a smelting plant, the input materials and output materials were collected from each process. The materials were sampled over the three times at each sampling point and analyzed with ICP or ICP-MS. According to the input materials used in the non-ferrous smelting plants, the ores were main input source of Pb and Cd. The Pb and Cd included in ores were produced the products throμgh the roasting process and casting process. In addition from the roasting process and casting process many byproduct or process waste were generated as the output materials emitted into the environment. Among the output materials emitted into the environment, the sludge was main source of Pb and Cd emitted into the environment. The emission amount of sludge was not so much, but the concentration of Pb and Cd in the sludge was very high. Therefore, the sludge dumped in landfill site should be controlled with Pb and Cd as content value, not as leaching value.
송금주 ( Geum-ju Song ),이여경 ( Yeo-gyeong Lee ),권기현 ( Gi-hyeon Gwon ),이형우 ( Hyung-woo Lee ),조주연 ( Ju-yeon Cho ),박세진 ( Se-jin Park ) 대한한방신경정신과학회 2021 동의신경정신과학회지 Vol.32 No.3
Objectives: To review research trends in the treatment of epilepsy with Traditional Korean Medicine. Methods: Thirteen studies were selected by searching OASIS, RISS, SIENCEON, KISS, KoreaMed, and KMBASE from 2000.01.01 to 2021.08.28. Results: Studies were analyzed by year, format, publication site, age of patient, treatment method, follow-up study, herbal treatment, acupuncture, and limitations. Analysis confirmed that oriental medical treatment was sufficiently effective in relieving symptoms of epilepsy. Conclusions: Acupuncture and herbal medicine could be considered to relieve symptoms of epilepsy. However, due to some limitations in those studies, more in-depth and broader research is needed in the future.