MICROBIAL TRANSFORMATION OF NITROAROMATICS IN SURFACE SOILS AND AQUIFER MATERIALS

被引:70
作者
BRADLEY, PM [1 ]
CHAPELLE, FH [1 ]
LANDMEYER, JE [1 ]
SCHUMACHER, JG [1 ]
机构
[1] US GEOL SURVEY,DIV WATER RESOURCES,ROLLA,MO 65401
关键词
D O I
10.1128/AEM.60.6.2170-2175.1994
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Microorganisms indigenous to surface soils and aquifer materials collected at a munitions-contaminated site transformed 2,4,6-trinitrotoluene (TNT), 2,4-dinitrotoluene (2,4-DNT), and 2,6-dinitrotoluene (2,6-DNT) to amino-nitro intermediates within 20 to 70 days. Carbon mineralization studies with both unlabeled (TNT, 2,4-DNT, and 2,6-DNT) and radiolabeled ([C-14]TNT) substrates indicated that a significant fraction of these source compounds was degraded to CO2.
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页码:2170 / 2175
页数:6
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