Modelling and optimization of torrefied pellet fuel production

Torrefaction is a thermal process to convert biomass into a coal-like material, which has better fuel characteristics than the original biomass. Torrefied biomass has more energy density and hydrophobic which is superior quality for handling and storage. The objective of this research was to develop...

Full description

Bibliographic Details
Main Authors:	Ahmad Hafizi, Awang, Abdul Halim, Abdul Razik, Azuin, Mad Noor, Aainaa Izyan, Nafsun
Format:	Article
Language:	English
Published:	Universiti Putra Malaysia 2019
Subjects:	TP Chemical technology
Online Access:	http://umpir.ump.edu.my/id/eprint/26795/ http://umpir.ump.edu.my/id/eprint/26795/ http://umpir.ump.edu.my/id/eprint/26795/1/Modelling%20and%20optimization%20of%20torrefied%20pellet%20fuel%20production.pdf

id	ump-26795
recordtype	eprints
spelling	ump-267952020-03-12T07:53:56Z http://umpir.ump.edu.my/id/eprint/26795/ Modelling and optimization of torrefied pellet fuel production Ahmad Hafizi, Awang Abdul Halim, Abdul Razik Azuin, Mad Noor Aainaa Izyan, Nafsun TP Chemical technology Torrefaction is a thermal process to convert biomass into a coal-like material, which has better fuel characteristics than the original biomass. Torrefied biomass has more energy density and hydrophobic which is superior quality for handling and storage. The objective of this research was to develop a simulation model of the torrefied pelletization process from empty fruit bunch (EFB). The process was simulated using ASPEN Plus. Optimization involved a selection of the model option that produced the maximum mass yield and minimum energy requirement, with a converged base case simulation as a starting point. Torrefied biomass pellet offered coal-like properties such as high heating value, brittle, high bulk energy density and more hydrophobic. These properties could potentially avoid costly power plant modifications. On the other hand, Malaysia has issued National Biomass Strategy 2020 with target to solve the problem of under-utilized biomass in this country. Base model was based on previous study. For optimization of mass yield and overall energy consumption, six model options of design configurations were analysed. Design model 0 was used as the base model. For design model 1, flue gas from combustion reactor was channelled to torrefaction reactor. For design model 2, flue gas from combustion reactor was split to dryer and torrefaction reactor. For design model 3, combustion reactor was removed. For design model 4, flue gas was channelled to dryer reactor without combustion reactor. For design model 5, flue gas separator after dryer was removed. Out of five options, results were tabulated for the optimum one. The results showed that the highest mass yield was achieved by simulation Model 5 at 90.76 % and lowest energy requirement was achieved by simulation Model 4 at 411.336 kW. Optimization result meanwhile had shown that Model 4 was selected because it gave the maximum profitability of RM 72834.45 by considering the yield and the energy consumption simultaneously. Universiti Putra Malaysia 2019-10-21 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/26795/1/Modelling%20and%20optimization%20of%20torrefied%20pellet%20fuel%20production.pdf Ahmad Hafizi, Awang and Abdul Halim, Abdul Razik and Azuin, Mad Noor and Aainaa Izyan, Nafsun (2019) Modelling and optimization of torrefied pellet fuel production. Pertanika Journal of Science & Technology (JST), 27 (4). pp. 2139-2152. ISSN 0128-7680 http://www.pertanika.upm.edu.my/Pertanika%20PAPERS/JST%20Vol.%2027%20(4)%20Oct.%202019/39%20JST-1401-2018.pdf
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TP Chemical technology
spellingShingle	TP Chemical technology Ahmad Hafizi, Awang Abdul Halim, Abdul Razik Azuin, Mad Noor Aainaa Izyan, Nafsun Modelling and optimization of torrefied pellet fuel production
description	Torrefaction is a thermal process to convert biomass into a coal-like material, which has better fuel characteristics than the original biomass. Torrefied biomass has more energy density and hydrophobic which is superior quality for handling and storage. The objective of this research was to develop a simulation model of the torrefied pelletization process from empty fruit bunch (EFB). The process was simulated using ASPEN Plus. Optimization involved a selection of the model option that produced the maximum mass yield and minimum energy requirement, with a converged base case simulation as a starting point. Torrefied biomass pellet offered coal-like properties such as high heating value, brittle, high bulk energy density and more hydrophobic. These properties could potentially avoid costly power plant modifications. On the other hand, Malaysia has issued National Biomass Strategy 2020 with target to solve the problem of under-utilized biomass in this country. Base model was based on previous study. For optimization of mass yield and overall energy consumption, six model options of design configurations were analysed. Design model 0 was used as the base model. For design model 1, flue gas from combustion reactor was channelled to torrefaction reactor. For design model 2, flue gas from combustion reactor was split to dryer and torrefaction reactor. For design model 3, combustion reactor was removed. For design model 4, flue gas was channelled to dryer reactor without combustion reactor. For design model 5, flue gas separator after dryer was removed. Out of five options, results were tabulated for the optimum one. The results showed that the highest mass yield was achieved by simulation Model 5 at 90.76 % and lowest energy requirement was achieved by simulation Model 4 at 411.336 kW. Optimization result meanwhile had shown that Model 4 was selected because it gave the maximum profitability of RM 72834.45 by considering the yield and the energy consumption simultaneously.
format	Article
author	Ahmad Hafizi, Awang Abdul Halim, Abdul Razik Azuin, Mad Noor Aainaa Izyan, Nafsun
author_facet	Ahmad Hafizi, Awang Abdul Halim, Abdul Razik Azuin, Mad Noor Aainaa Izyan, Nafsun
author_sort	Ahmad Hafizi, Awang
title	Modelling and optimization of torrefied pellet fuel production
title_short	Modelling and optimization of torrefied pellet fuel production
title_full	Modelling and optimization of torrefied pellet fuel production
title_fullStr	Modelling and optimization of torrefied pellet fuel production
title_full_unstemmed	Modelling and optimization of torrefied pellet fuel production
title_sort	modelling and optimization of torrefied pellet fuel production
publisher	Universiti Putra Malaysia
publishDate	2019
url	http://umpir.ump.edu.my/id/eprint/26795/ http://umpir.ump.edu.my/id/eprint/26795/ http://umpir.ump.edu.my/id/eprint/26795/1/Modelling%20and%20optimization%20of%20torrefied%20pellet%20fuel%20production.pdf
first_indexed	2023-09-18T22:41:57Z
last_indexed	2023-09-18T22:41:57Z
_version_	1777416973429243904

Modelling and optimization of torrefied pellet fuel production

Similar Items