Influence of Ultrasound on Alkaline Treatment of Empty Fruit Bunch Fibre: Preliminary Study

Abstract This research underlines the effect of ultrasound in NaOH surface modification of empty fruit bunch (EFB) fibre. Scanning Electron Microscopy (SEM) and Fourier Transform Infrared Spectroscopy (FTIR) were used to characterized the fibres. It can be seen that surface morphology treated by ult...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2021-03, Vol.1092 (1), p.12002
Main Authors: Mohd Eqhwan Iskandar, Wan, Ruey Ong, Huei, Rahman Khan, Md. Maksudur, Ramli, Ridzuan, Mohamed Halim, Rohaya
Format: Article
Language:English
Subjects:
Fourier transforms
Morphology
Tensile stress
Ultrasonic imaging
Ultrasonic testing
Ultrasound
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Summary:Abstract This research underlines the effect of ultrasound in NaOH surface modification of empty fruit bunch (EFB) fibre. Scanning Electron Microscopy (SEM) and Fourier Transform Infrared Spectroscopy (FTIR) were used to characterized the fibres. It can be seen that surface morphology treated by ultrasound assisted alkali treatment shows smooth surface with minor impurities. Additionally, the elimination of hemicellulose on EFB fibre surface can be proven by the disappearance of peak between 2900-1700 cm −1 (C-H). Furthermore, Ultrasound assisted alkali method demonstrate the admirable value (300 N/mm 2 ) in enhancing the tensile stress of EFB fibre and comparable with alkali soaking technique (292 N/mm 2 ). The findings indicate that ultrasound-assisted alkali treatment has the potential to be used as surface modification method in the industry.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/1092/1/012002