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首页> 外文期刊>Journal of industrial and engineering chemistry >Adsorptive removal of Mn(II)-Mn(VII) from various aqueous and nonaqueous solutions by using layer-by-layer chemical deposition technique
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Adsorptive removal of Mn(II)-Mn(VII) from various aqueous and nonaqueous solutions by using layer-by-layer chemical deposition technique

机译：层流化学沉积技术从各种水溶液和非水溶液中吸附去除Mn（II）-Mn（VII）

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摘要

Layer-by-layer (LbL) chemical deposition technique was successfully implemented as a low cost and efficient methodology for adsorptive removal of Mn(II)-Mn(VII) from aqueous and nonaqueous matrices. Several factors showed significant contributions to the adsorption process of Mn(II) such as solution pH, deposition area, reaction temperature, dipping cycles, dipping time and metal ion concentration. Mn(VII) was reduced via a green chemical process by the action of oxalic acid in an acidic medium to the corresponding Mn(II) and extracted in its reduced form. The potential applications of LbL for static adsorptive removal of Mn(II)-Mn(VII) from aqueous and nonaqueous samples were established.
机译：层层（LbL）化学沉积技术已成功地实现为一种从水性和非水性基质中吸附去除Mn（II）-Mn（VII）的低成本高效方法。溶液pH值，沉积面积，反应温度，浸入循环，浸入时间和金属离子浓度等​​因素对Mn（II）的吸附过程具有重要影响。通过在酸性介质中的草酸作用，通过绿色化学方法将Mn（VII）还原为相应的Mn（II），并以其还原形式萃取。建立了LbL在静态吸附去除水性和非水性样品中Mn（II）-Mn（VII）方面的潜在应用。

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