采用磁铁矿/沸石-X 复合颗粒作为吸附材料的水溶液中六价铬的磁去除研究。
A Study on Magnetic Removal of Hexavalent Chromium from Aqueous Solutions Using Magnetite/Zeolite-X Composite Particles as Adsorbing Material.
机构信息
Laboratory of Electronic Sensors, School of Electrical and Computer Engineering, NTU of Athens, Iroon Polytechniou 9, 15780 Zografou, Greece.
Biotechnology Laboratory, School of Chemical Engineering, NTU of Athens, 9 Iroon Polytechniou Str., Zografou Campus, 15780 Athens, Greece.
出版信息
Int J Mol Sci. 2020 Apr 14;21(8):2707. doi: 10.3390/ijms21082707.
Toxic and heavy metals are considered harmful derivatives of industrial activities; they are not biodegradable and their accumulation in living organisms can become lethal. Among other heavy and toxic metals, chromium is considered hazardous, especially in the hexavalent (Cr) form. Numerous established studies show that exposure to Cr via drinking water leads to elevated chromium levels in tissues, which may result in various forms of cancer. The purpose of this research is to synthesize magnetite/zeolite-X composite particles for the adsorption and magnetic removal of Cr ions from aqueous solutions. Synthesis and characterization of such composite nanomaterials, along with an initial experimental evaluation of Cr removal from water-based solution, are presented. Results show that zeolite-X is a very promising zeolite form, that when bound to magnetic nanoparticles can be used to trap and magnetically remove toxic ions from aqueous solutions.
有毒重金属被认为是工业活动的有害衍生物；它们不可生物降解，在生物体中的积累可能会致命。在其他重金属和有毒金属中，铬被认为是危险的，特别是六价（Cr）形式的铬。大量已建立的研究表明，通过饮用水接触铬会导致组织中铬水平升高，这可能导致各种形式的癌症。本研究的目的是合成磁铁矿/沸石-X 复合材料颗粒，用于从水溶液中吸附和磁性去除 Cr 离子。本文介绍了此类复合纳米材料的合成和表征，以及从水基溶液中去除 Cr 的初步实验评估。结果表明，沸石-X 是一种很有前途的沸石形式，当与磁性纳米颗粒结合时，可用于捕获和磁性去除水溶液中的有毒离子。
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