naa a22 4500 510751512 CHVBK 20180411083106.0 cr unu---uuuuu 180411e20130401xx s 000 0 eng 10.1007/s11270-013-1530-4 doi (NATIONALLICENCE)springer-10.1007/s11270-013-1530-4 A Laboratory Column Study on the Biodegradation of Toluene and Methyl tert -Butyl Ether: The Effect of Substrate Interactions [Elektronische Daten] [Seung-Gun Chung, Dong-Ju Kim, Sang-Hyup Lee, Jae-Woo Choi] We investigated the effects of substrate interactions on the degradation of toluene and methyl tert-butyl ether (MTBE) by Pseudomonas putida during transport through quartz sand because of the coexistence of toluene and MTBE in aquifer systems. A laboratory test was conducted for a pulse injection of a toluene and/or MTBE solution with and without bacteria into a saturated sand column. We found that the effect of toluene on MTBE was negative because the mass recovery of MTBE increased by 30% when toluene was added, whereas the effect of MTBE on toluene degradation was positive because the mass recovery of toluene decreased by 7%. These results were comparable with those of a previous batch study on substrate interactions which reported that toluene can be more negative than MTBE at concentrations higher than 25mg/L. This finding indicates that substrate interaction is also an important mechanism, controlling the fate of contaminants during transport through aquifer systems. In addition, bacteria-facilitated transport was also observed for both substrates. Therefore, for an efficient bioremediation scheme, care should be taken for substrate interaction as well as for bacteria-facilitated transport in porous media. Springer Science+Business Media Dordrecht, 2013 Column study nationallicence MTBE nationallicence Pseudomonas putida nationallicence Substrate interaction nationallicence Toluene nationallicence Toluene-degrading bacterium nationallicence Chung Seung-Gun Center for Water Resource Cycle Research, Korea Institute of Science and Technology, Hwarangno 14-gil 5, 136-791, Seoul, Seongbuk-gu, Republic of Korea aut Kim Dong-Ju Department of Earth and Environmental Sciences, Korea University, 136-701, Seoul, Republic of Korea aut Lee Sang-Hyup Center for Water Resource Cycle Research, Korea Institute of Science and Technology, Hwarangno 14-gil 5, 136-791, Seoul, Seongbuk-gu, Republic of Korea aut Choi Jae-Woo Center for Water Resource Cycle Research, Korea Institute of Science and Technology, Hwarangno 14-gil 5, 136-791, Seoul, Seongbuk-gu, Republic of Korea aut Water, Air, & Soil Pollution Springer Netherlands 224/4(2013-04-01), 1-8 0049-6979 224:4<1 2013 224 11270 https://doi.org/10.1007/s11270-013-1530-4 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11270-013-1530-4 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Chung Seung-Gun Center for Water Resource Cycle Research, Korea Institute of Science and Technology, Hwarangno 14-gil 5, 136-791, Seoul, Seongbuk-gu, Republic of Korea aut NATIONALLICENCE 700 1- Kim Dong-Ju Department of Earth and Environmental Sciences, Korea University, 136-701, Seoul, Republic of Korea aut NATIONALLICENCE 700 1- Lee Sang-Hyup Center for Water Resource Cycle Research, Korea Institute of Science and Technology, Hwarangno 14-gil 5, 136-791, Seoul, Seongbuk-gu, Republic of Korea aut NATIONALLICENCE 700 1- Choi Jae-Woo Center for Water Resource Cycle Research, Korea Institute of Science and Technology, Hwarangno 14-gil 5, 136-791, Seoul, Seongbuk-gu, Republic of Korea aut NATIONALLICENCE 773 0- Water, Air, & Soil Pollution Springer Netherlands 224/4(2013-04-01), 1-8 0049-6979 224:4<1 2013 224 11270 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer