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Bioengineering 2019, 6(2), 33; https://doi.org/10.3390/bioengineering6020033

Acacia Holosericea: An Invasive Species for Bio-char, Bio-oil, and Biogas Production

1
Faculty of Integrated Technologies, Universiti Brunei Darussalam, JalanTungku Link, Gadong, BE 1410, Brunei Darussalam
2
Department of Chemical Engineering COMSATS University Islamabad Pakistan, Lahore Campus, Raiwind Road Lahore, Punjab 54000, Pakistan
3
Mechanical Engineering Department, Faculty of Engineering, Diponegoro University, Jl. Prof. Soedharto SH, Tembalang, Semarang 50275, Indonesia
4
Civil Engineering Programme Area, Universiti Teknologi Brunei, Jalan Tungku Link, Gadong BE 1410, Brunei Darussalam
5
Research Center for Nano-Materials and Energy Technology (RCNMET), School of Science and Technology, Sunway University, Bandar Sunway, Petaling Jaya, Selangor Darul Ehsan 47500, Malaysia
6
American University of Ras Al Khaimah, Ras Al Khaimah, PO Box 10021, UAE
7
Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
*
Author to whom correspondence should be addressed.
Received: 12 March 2019 / Revised: 8 April 2019 / Accepted: 14 April 2019 / Published: 16 April 2019
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Abstract

To evaluate the possibilities for biofuel and bioenergy production Acacia Holosericea, which is an invasive plant available in Brunei Darussalam, was investigated. Proximate analysis of Acacia Holosericea shows that the moisture content, volatile matters, fixed carbon, and ash contents were 9.56%, 65.12%, 21.21%, and 3.91%, respectively. Ultimate analysis shows carbon, hydrogen, and nitrogen as 44.03%, 5.67%, and 0.25%, respectively. The thermogravimetric analysis (TGA) results have shown that maximum weight loss occurred for this biomass at 357 °C for pyrolysis and 287 °C for combustion conditions. Low moisture content (<10%), high hydrogen content, and higher heating value (about 18.13 MJ/kg) makes this species a potential biomass. The production of bio-char, bio-oil, and biogas from Acacia Holosericea was found 34.45%, 32.56%, 33.09% for 500 °C with a heating rate 5 °C/min and 25.81%, 37.61%, 36.58% with a heating rate 10 °C/min, respectively, in this research. From Fourier transform infrared (FTIR) spectroscopy it was shown that a strong C–H, C–O, and C=C bond exists in the bio-char of the sample. View Full-Text
Keywords: invasive species; Acacia Holosericea; biomass; bio-char; bio-oil; biogas invasive species; Acacia Holosericea; biomass; bio-char; bio-oil; biogas
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Reza, M.S.; Ahmed, A.; Caesarendra, W.; Abu Bakar, M.S.; Shams, S.; Saidur, R.; Aslfattahi, N.; Azad, A.K. Acacia Holosericea: An Invasive Species for Bio-char, Bio-oil, and Biogas Production. Bioengineering 2019, 6, 33.

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