Hydrothermal transformation of metakaolinite under basic solution
An amorphous metakaolinite was treated hydrothermally with 1.25M KOH solution at 190 °C during different reaction times ranging from 0 to 48 h. The products obtained were characterised by X-ray diffraction in order to determine their mineralogical characteristics. Two distinct mechanisms can explain...
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| Format: | Proceedings |
| Language: | English English |
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Pusat e-pembelajaran, UMS
2022
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| Online Access: | https://eprints.ums.edu.my/id/eprint/41259/1/ABSTRACT.pdf https://eprints.ums.edu.my/id/eprint/41259/2/FULL%20TEXT.pdf |
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| author | Eddy F. Yusslee Nur Hazwani Dahon Mohd Azrul Abd Rajak Sazmal E. Arshad |
| author_facet | Eddy F. Yusslee Nur Hazwani Dahon Mohd Azrul Abd Rajak Sazmal E. Arshad |
| author_sort | Eddy F. Yusslee |
| collection | UMS |
| description | An amorphous metakaolinite was treated hydrothermally with 1.25M KOH solution at 190 °C during different reaction times ranging from 0 to 48 h. The products obtained were characterised by X-ray diffraction in order to determine their mineralogical characteristics. Two distinct mechanisms can explain the change of the precursor material in KOH solutions: (1) precipitation and (2) dissolution. At the initial stage, only gibbsite and quartz can be identified from the major peaks of the diffractograms, while after 12 hours, zeolite F and kalsilite have been formed before the formation of leucite after 48 hours. |
| first_indexed | 2024-12-09T00:52:02Z |
| format | Proceedings |
| id | ums.eprints-41259 |
| institution | Universiti Malaysia Sabah |
| language | English English |
| last_indexed | 2024-12-09T00:52:02Z |
| publishDate | 2022 |
| publisher | Pusat e-pembelajaran, UMS |
| record_format | dspace |
| spelling | ums.eprints-412592024-10-10T08:07:44Z https://eprints.ums.edu.my/id/eprint/41259/ Hydrothermal transformation of metakaolinite under basic solution Eddy F. Yusslee Nur Hazwani Dahon Mohd Azrul Abd Rajak Sazmal E. Arshad QE351-399.2 Mineralogy TN799.5-948 Nonmetallic minerals An amorphous metakaolinite was treated hydrothermally with 1.25M KOH solution at 190 °C during different reaction times ranging from 0 to 48 h. The products obtained were characterised by X-ray diffraction in order to determine their mineralogical characteristics. Two distinct mechanisms can explain the change of the precursor material in KOH solutions: (1) precipitation and (2) dissolution. At the initial stage, only gibbsite and quartz can be identified from the major peaks of the diffractograms, while after 12 hours, zeolite F and kalsilite have been formed before the formation of leucite after 48 hours. Pusat e-pembelajaran, UMS 2022 Proceedings PeerReviewed text en https://eprints.ums.edu.my/id/eprint/41259/1/ABSTRACT.pdf text en https://eprints.ums.edu.my/id/eprint/41259/2/FULL%20TEXT.pdf Eddy F. Yusslee and Nur Hazwani Dahon and Mohd Azrul Abd Rajak and Sazmal E. Arshad (2022) Hydrothermal transformation of metakaolinite under basic solution. https://oer.ums.edu.my/handle/oer_source_files/2441 |
| spellingShingle | QE351-399.2 Mineralogy TN799.5-948 Nonmetallic minerals Eddy F. Yusslee Nur Hazwani Dahon Mohd Azrul Abd Rajak Sazmal E. Arshad Hydrothermal transformation of metakaolinite under basic solution |
| title | Hydrothermal transformation of metakaolinite under basic solution |
| title_full | Hydrothermal transformation of metakaolinite under basic solution |
| title_fullStr | Hydrothermal transformation of metakaolinite under basic solution |
| title_full_unstemmed | Hydrothermal transformation of metakaolinite under basic solution |
| title_short | Hydrothermal transformation of metakaolinite under basic solution |
| title_sort | hydrothermal transformation of metakaolinite under basic solution |
| topic | QE351-399.2 Mineralogy TN799.5-948 Nonmetallic minerals |
| url | https://eprints.ums.edu.my/id/eprint/41259/1/ABSTRACT.pdf https://eprints.ums.edu.my/id/eprint/41259/2/FULL%20TEXT.pdf |
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