Samanta Partha, Chandra Priyanshu, Dutta Subhajit, Desai Aamod V, Ghosh Sujit K
Department of Chemistry , Indian Institute of Science Education and Research , Dr. Homi Bhabha Road, Pashan , Pune 411008 , India . Email:
Centre for Energy Science , IISER Pune , Dr. Homi Bhabha Road, Pashan , Pune 411008 , India.
Chem Sci. 2018 Aug 20;9(40):7874-7881. doi: 10.1039/c8sc02456a. eCollection 2018 Oct 28.
Detoxification of water has been demonstrated with a viologen-based cationic organic network (compound-), which was stable not only in water, but also in acidic and basic media. The presence of free exchangeable Cl ions inside the network of compound- and a high physiochemical stability of the materials offered a suitable scope for the capture of hazardous anionic pollutants from water. Rapid removal of the toxic water pollutant and carcinogenic chromate (CrO ) from water was shown with compound-. Furthermore, the oxo-anion of the radioactive isotope of technetium (Tc), the TcO ion, also counts as a toxic water pollutant and by using surrogate anions (MnO and ReO ), a model capture study was performed. Notably, compound- showed high capacity values for each of the oxo-anions and these were comparable to some of the well-performing compounds reported in the literature. Furthermore, to check the real time aspect, removal of all of the aforementioned anions from water was demonstrated, even in the presence of other concurrent anions.
基于紫精的阳离子有机网络（化合物-）已被证明可用于水的解毒，该网络不仅在水中稳定，而且在酸性和碱性介质中也稳定。化合物-网络内部存在可自由交换的Cl离子以及材料的高物理化学稳定性，为从水中捕获有害阴离子污染物提供了合适的条件。化合物-显示出能快速从水中去除有毒的水污染物和致癌性铬酸盐（CrO）。此外，锝（Tc）放射性同位素的含氧阴离子TcO离子也被视为有毒的水污染物，通过使用替代阴离子（MnO和ReO）进行了模型捕获研究。值得注意的是，化合物-对每种含氧阴离子都显示出高容量值，并且这些值与文献中报道的一些性能良好的化合物相当。此外，为了检验实时情况，证明了即使在存在其他共存阴离子的情况下，也能从水中去除所有上述阴离子。
