The use of amino compounds for binding 2,4,6-trinitrotoluene in water

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• 作者：Fant ; F. ; De Sloovere ; A. ; Matthijsen ; K. ; Marlé ; C. ; El Fantroussi ; S. ; Verstraete ; W.
• 关键词：TNT ; Amino acid ; Meisenheimer complex
• 刊名：Environmental Pollution
• 出版年：2001
• 期刊代码：28_02697491
• 类别：env
• 出版时间：2001
• 卷：111
• 期：3
• 页码：503-507
• 文件大小：148 K

摘要

Sites polluted with 2,4,6-trinitrotoluene (TNT) constitute a worldwide problem. In this work, chemical reactions for binding TNT to amino-compounds are proposed as an initial step for developing new remediation techniques to clean-up groundwater and soils contaminated with TNT. Indeed, addition of aniline and an amino acid-like cysteine caused a decrease in free TNT of 86%and 68–100%, respectively. Using ¹³C-NMR spectroscopy, it was shown that TNT chemically forms a Meisenheimer complex with cysteine and aniline in 1/1 (by vol.) H₂O/d₆-acetone.