Development and characterization of catalyst materials from magnetic sand, Crotalaria pallida and kaolin

Shalbugau K.W, Dass P.M, I. M., Nkafamiya I I, M. O. N.
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Abstract

In this study, magnetic sand and Crotalaria pallida gotten from Adamawa and Bauchi states of Nigeria, respectively, were mixed after treatment, and impregnated with kaolin using a wet impregnation method and the resulting material was characterized using scanning electron microcopy (SEM), X-ray fluorescence (XRF) and X-ray diffraction (XRD). The result of XRF analysis revealed the existence of a number of dopant-like constituents in the sample, which substitute parts of important atoms in the spinel structure, however, not forming individual phases. The SEM micrographs displayed pore structures with high surface area consistent with effective catalyst materials. XRD analysis confirmed crystalline phases of the hybrid material showing typical diffraction peaks of kaolinite minerals (Al2Si2O9), Muscovite (Al12FeSi12K4NaRbH16O48), quartz, Si3O6 Calcite (Ca6C6O18) and Halite (Na4Cl4) and the average crystallite size was determined to be 75.30 nm.  
磁性砂、苍叶草和高岭土催化剂材料的研制与表征
本研究将分别产自尼日利亚阿达马瓦州和包奇州的磁砂和绿豆蒿经处理后混合,采用湿浸渍法浸渍高岭土,并利用扫描电镜(SEM)、x射线荧光(XRF)和x射线衍射(XRD)对所得材料进行表征。XRF分析结果表明,样品中存在大量的掺杂样成分,这些成分取代了尖晶石结构中部分重要原子,但没有形成单独的相。SEM显微图显示出与有效催化剂材料一致的高比表面积孔结构。XRD分析证实该杂化材料的晶相为高岭石矿物(Al2Si2O9)、白云母(Al12FeSi12K4NaRbH16O48)、石英、Si3O6方解石(Ca6C6O18)和盐石(Na4Cl4),平均晶粒尺寸为75.30 nm。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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