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Torrefaction of densified empty fruit bunches with addition of plastics waste

Mohd. Fuad, Muhammad Ariff Hanaffi and Mohd. Faizal, Hasan and Abdul Rahman, Mohd. Rosdzimin and Latiff, Z. A. (2020) Torrefaction of densified empty fruit bunches with addition of plastics waste. Biofuels, 11 (4). pp. 491-501. ISSN 1759-7269

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Official URL: http://dx.doi.org/10.1080/17597269.2018.1457312


The techniques of briquetting and torrefaction were applied to a mixture of pulverized empty fruit bunches (EFB) and shredded high-density polyethylene (HDPE) plastics with a weight ratio of 85:15. The briquettes, produced under controlled conditions, were torrefied at various torrefaction temperatures from 225 to 300°C for 30 min with a constant nitrogen flow rate of 1 L/min. The results indicate that the moisture content is reduced and calorific value is significantly improved due to torrefaction treatment. In addition, the compressive strength of the torrefied briquettes is also enhanced by the torrefaction treatment, thus revealing the important role of HDPE plastics as a good binding agent after the treatment. However, the density of the torrefied briquettes decreased with an increase in temperature. The ash content of the briquettes torrefied at 225 to 275°C can be considered competitive if compared to that of conventional solid fuels (< 5.8%). The physical and combustion properties of the torrefied briquettes are strongly affected by torrefaction temperature and mixture composition. Meanwhile, torrefaction at 300°C is not favourable due to significant physical degradation.

Item Type:Article
Uncontrolled Keywords:plastics waste, torrefaction, torrefied briquettes
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Mechanical Engineering
ID Code:89679
Deposited By: Yanti Mohd Shah
Deposited On:22 Feb 2021 14:10
Last Modified:22 Feb 2021 14:10

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