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首页> 外文会议>International Conference on Remediation of Chlorinated adn Recalcitrant Compounds >Degradation of 2,4,6-Trinitrotoluene with Nanoscale Zero-Valent Iron: Kinetics and Reduction Intermediates
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Degradation of 2,4,6-Trinitrotoluene with Nanoscale Zero-Valent Iron: Kinetics and Reduction Intermediates

机译：用纳米级零价铁降解2,4,6-三硝基甲苯：动力学和减少中间体

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摘要

2,4,6-trinitrotoluene (TNT) is a groundwater contaminant commonly found at explo- sives and munitions manufacturing and testing areas due to improper handling and dis- posal practices, and/or to incomplete consumption during detonation. TNT is highly stable in the environment and is resistant to biological degradation under the aerobic conditions that occur at many TNT-contaminated sites. TNT reduction intermediates, however, are more amenable to biodegradation and also are less toxic. Zero-valent iron has been shown to catalyze rapid abiotic reduction of the nitro groups on the toluene backbone molecule to form daughter products including 2-amino,4,6-dinitrotoluene, 4-amino,2,6-dinitrotoluene, 2,4-diaminonitrotoluene, and 2,6-diaminonitrotoluene.
机译：2,4,6-三硝基甲苯（TNT）是一种地下水污染物，常见于爆炸和弹药制造和测试领域，由于处理和解雇实践不当，和/或在爆炸过程中不完全消费。 TNT在环境中具有高度稳定的稳定性，并且在许多TNT污染的位点发生的有氧病症下具有生物降解。然而，TNT还原中间体更可致力于生物降解，并且还具有较小的毒性。已显示零价铁催化甲苯骨架分子上硝基硝基的快速生物减少，形成女儿产品，包括2-氨基，4,6-二硝基甲苯，4-氨基，2,6-二硝基甲苯，2,4-二二氨基硝洛橡胶和2,6-二氨基硝基甲苯。

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