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토착 야초류(어저귀, 자귀풀)의 수경재배를 이용한 2,4,6-trinitrotoluene(TNT) 분해 연구
권영석,김동일,정연규,배범한,이인숙,장윤영,Kwon, Young-seok,Kim, Dong-ill,Choung, Youn-kyoo,Bae, Bum-han,Lee, In-sook,Chang, Yoon-young 한국물환경학회 2004 한국물환경학회지 Vol.32 No.2
In this study, uptake and translocation of 2,4,6-trinitrotoluene(TNT) by plant in a hydroponic culture was quantified with two indigenous plant species, Aeschynomene indica and Abutilon avicennae on various initial concentrations of TNT ranging from 20 to 80 mgTNT/L. Experiments were sterilized to exclude the activity of microorganisms and conducted in duplicate. Weight loss of two plant species in added TNT culture media was higher than in control. At over 2OmgTNTIL, there appeared to be phytotoxicity from TNT as indicated by severe yellow-chlorosis and increase of falling leaves. TNT removal rate normalized(K) to the plant fresh weight of Abutilon avicennae and Aeschynomene indica was that the higher TNT concentrations resulted in lower TNT removal rate normalized(K) to the plant fresh weight. Approximately 96% of the TNT in viable microflora-hydroponic culture was removed after 96h of the experiments.