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Synthesis and structural properties of coconut husk as potential silica source

In this work, waste coconut husk was explored as potential raw material for silica production. Coconut husk was burned in controlled environment inside electrical furnace at 500, 600 and 700 °C. These ashes were treated by using two different chemical treatments to extract the highest percentage of...

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主要な著者: Anuar, Muhammad Fahmi, Yap, Wing Fen, Mohd Zaid, Mohd Hafiz, Matori, Khamirul Amin, Mohamed Khaidir, Rahayu Emilia
フォーマット: 論文
言語:English
出版事項: Elsevier 2018
オンライン･アクセス:http://psasir.upm.edu.my/id/eprint/74057/1/Synthesis%20and%20structural%20properties%20of%20coconut%20husk%20as%20potential%20silica%20source.pdf
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spelling oai:psasir.upm.edu.my:74057 http://psasir.upm.edu.my/id/eprint/74057/ Synthesis and structural properties of coconut husk as potential silica source Anuar, Muhammad Fahmi Yap, Wing Fen Mohd Zaid, Mohd Hafiz Matori, Khamirul Amin Mohamed Khaidir, Rahayu Emilia In this work, waste coconut husk was explored as potential raw material for silica production. Coconut husk was burned in controlled environment inside electrical furnace at 500, 600 and 700 °C. These ashes were treated by using two different chemical treatments to extract the highest percentage of silica. XRF analysis of coconut husk ash (CHA) revealed that the content of SiO2 varies between 8 and 11% and increased up to 90% after chemical treatment. Based on the XRD spectrum, silica obtained was in crystalline form after acid treatment but was in amorphous form after the alkali treatment. The CHA morphology on FESEM images observed to be rod-like structure but changed to irregular shapes and started to agglomerate together after the chemical treatments. EDX results show good agreement with XRF data as the same elements detected during both analysis. Alternative source of high purity silica can be obtained from CHA and it has high potential in optoelectronic application. Elsevier 2018 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/74057/1/Synthesis%20and%20structural%20properties%20of%20coconut%20husk%20as%20potential%20silica%20source.pdf Anuar, Muhammad Fahmi and Yap, Wing Fen and Mohd Zaid, Mohd Hafiz and Matori, Khamirul Amin and Mohamed Khaidir, Rahayu Emilia (2018) Synthesis and structural properties of coconut husk as potential silica source. Results in Physics, 11. pp. 1-4. ISSN ESSN: 2211-3797 10.1016/j.rinp.2018.08.018
institution UPM IR
collection UPM IR
language English
description In this work, waste coconut husk was explored as potential raw material for silica production. Coconut husk was burned in controlled environment inside electrical furnace at 500, 600 and 700 °C. These ashes were treated by using two different chemical treatments to extract the highest percentage of silica. XRF analysis of coconut husk ash (CHA) revealed that the content of SiO2 varies between 8 and 11% and increased up to 90% after chemical treatment. Based on the XRD spectrum, silica obtained was in crystalline form after acid treatment but was in amorphous form after the alkali treatment. The CHA morphology on FESEM images observed to be rod-like structure but changed to irregular shapes and started to agglomerate together after the chemical treatments. EDX results show good agreement with XRF data as the same elements detected during both analysis. Alternative source of high purity silica can be obtained from CHA and it has high potential in optoelectronic application.
format Article
author Anuar, Muhammad Fahmi
Yap, Wing Fen
Mohd Zaid, Mohd Hafiz
Matori, Khamirul Amin
Mohamed Khaidir, Rahayu Emilia
spellingShingle Anuar, Muhammad Fahmi
Yap, Wing Fen
Mohd Zaid, Mohd Hafiz
Matori, Khamirul Amin
Mohamed Khaidir, Rahayu Emilia
Synthesis and structural properties of coconut husk as potential silica source
author_facet Anuar, Muhammad Fahmi
Yap, Wing Fen
Mohd Zaid, Mohd Hafiz
Matori, Khamirul Amin
Mohamed Khaidir, Rahayu Emilia
author_sort Anuar, Muhammad Fahmi
title Synthesis and structural properties of coconut husk as potential silica source
title_short Synthesis and structural properties of coconut husk as potential silica source
title_full Synthesis and structural properties of coconut husk as potential silica source
title_fullStr Synthesis and structural properties of coconut husk as potential silica source
title_full_unstemmed Synthesis and structural properties of coconut husk as potential silica source
title_sort synthesis and structural properties of coconut husk as potential silica source
publisher Elsevier
publishDate 2018
url http://psasir.upm.edu.my/id/eprint/74057/1/Synthesis%20and%20structural%20properties%20of%20coconut%20husk%20as%20potential%20silica%20source.pdf
_version_ 1819299146399481856
score 13.4562235

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