Synthesis of Aluminium Hydroxide and Alumina by Hydrothermal and Solvothermal Methods

The paper describes some work done on the SEM and XRD characteristic studies of aluminium hydroxide and alumina synthesized by the solvothermal and hydrothermal methods. Hydrothermal process produced boehmite phase aluminium hydroxide while the solvothermal process produced gibbsite phase aluminium...

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Bibliographic Details
Published inMaterials science forum Vol. 840; pp. 359 - 363
Main Authors Zahari, Ahmad Khairulikram, Sapiee, Nur Aqilah, Mohamed Takip, Khaironie, Meor Sulaiman, Meor Yusoff
Format Journal Article
LanguageEnglish
Published Pfaffikon Trans Tech Publications Ltd 08.01.2016
Subjects
SEM
XRD
Solvothermal
Hydrothermal
Alumina
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Summary:The paper describes some work done on the SEM and XRD characteristic studies of aluminium hydroxide and alumina synthesized by the solvothermal and hydrothermal methods. Hydrothermal process produced boehmite phase aluminium hydroxide while the solvothermal process produced gibbsite phase aluminium hydroxide. Transition reaction study by in-situ XRD shows that the gibbsite is transformed into boehmite before it is converted into alumina. This transformation stage involves a dissolution-recrystallization process. The SEM results show the changes in morphology of the crystals as a result of both these processes.
Bibliography:Selected, peer reviewed papers from the Seminar on Advanced Materials Characterization Techniques in Research, Industry and Nuclear Applications (AMCT 2015), June 9-10, 2015, Selangor, Malaysia
ISSN:0255-5476
1662-9752
1662-9752
DOI:10.4028/www.scientific.net/MSF.840.359