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含能材料  2009 

USBC对TNT的降解特性研究

DOI: 10.3969/j.issn.1006-9941.2009.05.030

Keywords: 环境工程,TNT,生化降解,降解特性,动力学

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Abstract:

从福安化工厂废水排放地的土壤中筛选到一株对TNT有良好降解能力的菌株,16SrDNA序列分析表明,该菌株为UnculturedsoilbacteriumcloneUD3(简称为USBC)。研究了该菌株对TNT废水的降解特性,结果表明:菌株USBC降解TNT的最优条件为葡萄糖1g·L-1、蛋白胨1g·L-1、细菌浓度(干重法)0.02g·L-1、pH7、温度30℃;在最优条件下反应24h后,该菌株对100mg·L-1TNT的降解率为97.2%;菌株USBC对TNT的降解反应为一级动力学反应。

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