使用均相化学溶液对化学战剂进行中和和净化,Industrial & Engineering Chemistry Research

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使用均相化学溶液对化学战剂进行中和和净化
Industrial & Engineering Chemistry Research ( IF 3.8 ) Pub Date : 2023-04-19 , DOI: 10.1021/acs.iecr.3c00397
Sun Dal Kim ₁ , Heesoo Jung ₁

Affiliation

化学战剂 (CWA) 对人类是致命的。尽管已报道各种材料在 CWA 的中和和化学去污方面表现出优异的性能，但由于它们是在不同的反应条件下进行评估，因此很难直接比较它们的性能。在这项研究中，使用气相色谱系统地检查了在相同条件下与不同的均相化学溶液（充当中和剂）反应时，各种 CWA 所达到的转化率和获得的产物。结果允许识别对各种 CWA 表现出出色中和性能的化学品，同时还提供可用于预测 CWA 与其他化学品之间反应趋势的基本动力学数据。结果还表明，每种化学溶液在对目标 CWA 的反应性、实现完全中和所需的时间以及中和反应过程中产生的产物的毒性方面表现出不同的优势和劣势。基于所获得的结果，预计中和剂和去污剂的有效组成设计将成为可能，并且还应促进表现出优异性能的材料的开发。

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Neutralization and Decontamination of Chemical Warfare Agents using Homogeneous Chemical Solutions

Chemical warfare agents (CWAs) are fatal to humans. Although various materials have been reported to show excellent performance in the neutralization and chemical decontamination of CWAs, it is difficult to directly compare their performances because they have been evaluated under different reaction conditions. In this study, the conversion rates achieved and products obtained for various CWAs upon reaction with different homogeneous chemical solutions (acting as neutralizers) under the same conditions are systematically examined using gas chromatography. The results allowed for identification of the chemicals that exhibit excellent neutralization performances for the various CWAs, while also providing fundamental kinetic data that can be used to predict the tendencies of the reactions between CWAs and other chemicals. The results also show that each chemical solution exhibits different strengths and weaknesses in terms of their reactivities toward the targeted CWAs, the time required to achieve complete neutralization, and the toxicities of the products produced during the neutralization reactions. Based on the obtained results, it is expected that the efficient compositional design of neutralizers and decontaminants will be possible, and the development of materials exhibiting superior performances should also be facilitated.

更新日期：2023-04-19

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