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作者:... Yongju Choi , Byung Sun Lee , Kyoungphile Nam
来源:[J].KSCE Journal of Civil Engineering(IF 0.383), 2017, Vol.21 (6), pp.2097-2105
摘要:A new kinetic model that combines Monod kinetics and a constant denitrification rate is proposed to predict bacterial nitrate removal in groundwater. The model, which was developed with an indigenous bacterium Pseudomonas sp. KY1 isolated from a nitrate-contaminated site using mo...
作者:... Yongju Choi , Eun Hea Jho , Kyoungphile Nam
来源:[J].Journal of Soils and Sediments(IF 1.965), 2017, Vol.17 (12), pp.2742-2751
摘要:This study is aimed to assess the long-term leaching of inorganic constituents from structural fills composed of reused coal bottom ash in Korea and identify key parameters that affect the amount of the constituents leached.
作者:... Byung-Chul Kim , Kyoungphile Nam , Yongju Choi
来源:[J].Environmental Science and Pollution Research(IF 2.618), 2017, Vol.24 (9), pp.8479-8488
摘要:This study investigated the effect of chemical forms of arsenic (As) and soil-magnetite mixing regimes on As mass transfer in magnetite-amended soil. Two soil samples with different component ratios of As chemical forms were prepared. In the absence of magnetite, the amount of de...
作者:... Jae Min Lee , Kyuyeon Lee , Kyoungphile Nam
来源:[J].KSCE Journal of Civil Engineering(IF 0.383), 2017, Vol.21 (4), pp.1096-1101
摘要:This study was conducted to test the field applicability of a well-type barrier system containing Slowly Released Molasses (SRM) as an extra carbon and energy source to promote the indigenous bacterial denitrification activity. A total of 22 wells were placed as a grid syste...
作者:... Buyun Jeong , Seulki Jeong , Kyoungphile Nam
来源:[J].Spectrochimica Acta Part B: Atomic Spectroscopy(IF 3.141), 2020, Vol.164
摘要:Abstract(#br)Many of the procedures for assessing the bioavailability of contaminant including arsenic (As) in soil are time-consuming, thus there is need to develop more effective methods. In this regard, a direct analysis of the binding resin in the diffusive gradient in t...
作者:Jinsung An , Buyun Jeong , Kyoungphile Nam
来源:[J].Journal of Hazardous Materials(IF 3.925), 2020, Vol.385
摘要:Abstract(#br)Biotic ligand model (BLM) was extended to predict the toxicity of inorganic arsenate (iAs(V)) to the luminescent bacteria, Aliivibrio fischeri . As the pH increased from 5 to 9, the HAsO 4 2- form predominated more than the H 2 AsO 4 - form did, and the EC 50 [A...
作者:... Seulki Jeong , Hyeonyong Chung , Kyoungphile Nam
来源:[J].Waste Management(IF 2.485), 2020, Vol.103, pp.122-127
摘要:Abstract(#br)Carbonate treatment was tested as a means to mitigate the generation of alkaline leachate from basic oxygen furnace (BOF) slag. BOF slag was treated with 0.1, 0.5, and 1.0 M concentrations of NaHCO 3 solution for 48 h at a liquid/solid ratio of 5 L/kg. At 1.0 M NaHCO...
作者:... Kyung Yang , Eun Hea Jho , Kyoungphile Nam
来源:[J].Journal of Hazardous Materials(IF 3.925), 2017, Vol.330, pp.157-164
摘要:Abstract(#br)Bioaccessible concentrations of As associated with Fe oxide as different chemical binding types were determined in soils using the in vitro Physiologically Based Extraction Test (PBET). When compared to the five-step sequential extraction data, most of the As ex...
作者:... Moonkyung Kim , Yongju Choi , Kyoungphile Nam
来源:[J].Journal of Environmental Management(IF 3.057), 2019, Vol.239, pp.66-72
摘要:Abstract(#br)This study presents a promising approach that enhances the sludge fermentation by using basic oxygen furnace (BOF) slag as an alkaline source for the first time. BOF slag added to the reactors could maintain a stable alkaline condition due to continuous release ...
作者:... Byung-Chul Kim , Kyoungphile Nam , Yongju Choi
来源:[J].Biochemical Engineering Journal(IF 2.579), 2018, Vol.140, pp.108-114
摘要:Abstract(#br)This study assessed the effects of hot water, acid, and alkali pretreatments on the lignocellulosic composition of rice straw and methane production potential of the pretreated solids-reagent mixture. Autoclaving (121 °C, 1.45 atm, 60 min) after addition of 2% H...

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