光催化膜系统:制备过程及环境应用

C. Orbeci, G. Nechifor, I. Untea
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引用次数: 0

摘要

本研究揭示了一种简单有效的膜系统合成方法。制备膜系统的条件对其性能有很大影响。随着多年来开发的方法,确定适合特定应用的固定程序变得复杂。玻璃纤维的杂化涂层作为衬底,得到光催化体系。工序是将玻璃纤维浸泡在由硅酸钠溶液和二氧化钛组成的悬浮液中。利用x射线光谱、扫描电镜和能量色散x射线光谱对新合成的膜体系进行了表征。本文主要研究了环境应用新材料的制备方法和膜系统在高级氧化过程中的性能评价。通过对废水中有机物的氧化过程,评价了膜系统的光催化活性。以4-氯酚合成溶液为试验物质。从环境的角度来看,从废水中去除酚类化合物是极其重要的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Photocatalytic membrane system: Obtaining procedure and environmental application
This study reveals the synthesis of a membrane system by a simple and efficient procedure. The conditions used for preparing a membrane system to a substrate have a great effect on its performance. The determination of a suitable immobilisation procedure for specific application becomes complicated with the methods developed over the years. A hybrid coating of fiberglass served as substrate to obtain a photocatalytic system. The working procedure is based on the immersion of fiberglass in suspension consisting of sodium silicate solution and titanium dioxide. The new synthesised membrane system was characterized using X-ray spectroscopy, scanning electron microscopy and energy dispersive X-ray spectroscopy. The present study is focused on the procedure for obtaining new materials for environmental applications and performance evaluation of membrane system in advanced oxidation processes. The photocatalytic activity of the membrane system was evaluated through the oxidation process of organic compounds from wastewater. A synthetic solution by 4-chlorophenol was used as test substance. Removal of phenols compounds from wastewater is extremely important from an environmental perspective.
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