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The Effect of Mechanical Treatment and Calcination Temperature of Ethiopian Kaolin on Amorphous Metakaolin Product

  • Tadele Assefa AragawEmail author
Conference paper
  • 29 Downloads
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 308)

Abstract

Industrial practice of kaolin minerals reveals physicochemical and mineralogical characteristics which make them very useful in many different applications. Even kaolin is important for industrial applications, the presence of contamination can affect the properties of it. So, it is important to treat and characterize the kaolin for their appropriateness of industrial application. The effect of beneficiation and calcinations methods of treatment on the structure of kaolin was studied using XRD and FTIR for the determination of crystalline structure, functional group identification and the thermogravimetry properties of the kaolin. XRD analysis showed that the crystalline of raw kaolin were reduced via beneficiation and calcinations. The effect of beneficiation and calcinations results shows that improvement to a very high grade with physic-chemical characteristics of metakaolin close to that of ideal kaolin. The XRD results depicted that the characteristics reflection of kaolinite and quartz were as a major peak. The FTIR vibration indicates as the major kaolinite clay functional groups in the mineral. From this study, it can be conclude that the major properties for industrial grade specification significantly increased after a certain treatment process.

Keywords

Thermal treatment Mechanical treatment Kaolin Characterization 

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Copyright information

© ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2020

Authors and Affiliations

  1. 1.Faculty of Chemical and Food Engineering, Bahir Dar Institute of TechnologyBahir Dar UniversityBahir DarEthiopia

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