Nyakuma, B. B. and Ahmad, A. and Johari, A. and Abdullah, T. A. T. and Oladokun, O. and Al-Shatri, A. H. and Alir, A. (2019) Preliminary torrefaction of oil palm empty fruit bunch pellets. In: 7th Conference on Emerging Energy and Process Technology, CONCEPT 2018, 27-28 Nov 2018, Thistle Hotel Johor, Malaysia.
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Official URL: https://dx.doi.org/10.1051/e3sconf/20199001014
Abstract
Torrefaction of pelletised oil palm empty fruit bunches (OPEFBs) is a promising pretreatment technique for improving its solid biofuel properties and energy recovery potential. Therefore, this paper investigates the torrefaction of OPEFB pellets to examine the effects of temperature and purge gas flow rate on mass yield (MY), energy yield (EY), and mass loss (ML). The results revealed that MY and EY decreased due to significant ML during torrefaction. Furthermore, significant improvements in the higher heating value (HHV) and energy density (DE) were observed. The torrefaction temperature increased liquid (tar) and gas yields mainly above 300 °C at the expense of solid products. However, the effect of purge gas flow rate on the torrefaction products was found to be negligible. Consequently, the torrefaction of OPEFB pellets were limited to 250-300 °C, 30 min, and nitrogen (N2) gas flow rate of 200 ml min-1.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | palm oil, pelletizing, temperature |
| Subjects: | T Technology > TP Chemical technology |
| Divisions: | Chemical and Energy Engineering |
| ID Code: | 90126 |
| Deposited By: | Narimah Nawil |
| Deposited On: | 29 Mar 2021 06:00 |
| Last Modified: | 29 Mar 2021 06:00 |
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