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Study on Nano-composite Water Purifying Materials

Author: ZhaoHui
Tutor: HanZuo
School: Jilin University
Course: Condensed Matter Physics
Keywords: Composite nanomaterials Water purification materials Water treatment Heavy metals Organic matter Bacterial
CLC: TB383
Type: Master's thesis
Year: 2005
Downloads: 261
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Abstract


This thesis focuses on the existing water treatment technology is costly and operationally complex and difficult to deal with the shortcomings of low strength wastewater , water purification materials, a new composite nano . Experiments using ultrasonic composite nanoparticles prepared by precipitation , the load on the glass fiber and activated carbon fiber substrate , preparation of composite nano- water purification materials . By means of X -ray diffraction (XRD), scanning electron microscopy ( SEM ) , transmission electron microscopy (TEM) and a nitrogen adsorption test methods to analyze the composition of the composite nano- particle morphology and related parameters , and by X - ray photoelectron spectroscopy ( XPS ) to determine the the material adsorption mechanism . In order to optimize material properties , changing the selection of raw materials and preparation conditions , the obtained range of materials for water purification experiments . Adsorption capacity to measure the adsorption properties of materials prepared guidance material . Optimized preparation conditions water purification materials prepared by chemical adsorption of low concentration of water heavy metal ions, organic matter and bacteria removal .

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