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Thermogravimetric analysis and the optimisation of bio-oil yield from fixed-bed pyrolysis of rice husk using response surface methodology (RSM)

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Main Authors: Khairuddin, Md Isa, Suhardy, Daud, Nasrul, Hamidin, Khudzir, Ismail, Saiful Azhar, Saad, Farizul Hafiz, Kasim
Other Authors: khairudin@unimap.edu.my
Format: Article
Language:English
Published: Elsevier B. V. 2011
Subjects:
Design-expert
Fixed-bed pyrolysis
Rice husk
Thermogravimetric
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/11305
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spelling my.unimap-113052011-03-16T02:24:25Z Thermogravimetric analysis and the optimisation of bio-oil yield from fixed-bed pyrolysis of rice husk using response surface methodology (RSM) Khairuddin, Md Isa Suhardy, Daud Nasrul, Hamidin Khudzir, Ismail Saiful Azhar, Saad Farizul Hafiz, Kasim khairudin@unimap.edu.my dr_environ@yahoo.com Design-expert Fixed-bed pyrolysis Rice husk Thermogravimetric Link to publisher’s homepage at http://www.elsevier.com/ The effects of pyrolysis temperature, heating rate, particle size, holding time, and gas flow rate were investigated to optimize bio-oil yield from rice husk pyrolysis. Thermogravimetric analysis showed thermal degradation of hemicellulose, cellulose and lignin, indicating faster decomposition of cellulose compared to lignin. The optimisation process was analysed by employing central composite design (CCD) in response surface methodology (RSM) using Design Expert Version 7.5.1 (StatEase, USA). A two-level fractional factorial was initially carried out and followed by RSM. The statistical analysis showed that pyrolysis temperature, heating rate, particle size and holding time significantly affected the bio-oil yield. By utilising response surface method, these four factors were investigated, analysed and optimal conditions were obtained at pyrolysis temperature of 473.37 °C, heating rate of 100 °C/min, particle size of 0.6 mm and holding time of 1 min. Confirmation runs gave 48.30% and 47.80% of bio-oil yield compared to 48.10% of predicted value. Furthermore, the pyrolytic bio-oils obtained from fixed-bed pyrolysis were examined using gas chromatographic/mass spectroscopy (GC/MS), Fourier transform infrared (FTIR) methods, elemental analyzer, pH probe and bomb calorimeter. 2011-03-16T02:24:25Z 2011-03-16T02:24:25Z 2011-03 Article Industrial Crops and Products, vol. 33(2), 2011, pages 481-487 0926-6690 http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6T77-51JTY78-1-K&_cdi=5051&_user=1659113&_pii=S0926669010002694&_origin=gateway&_coverDate=03%2F31%2F2011&_sk=999669997&view=c&wchp=dGLbVzz-zSkzS&md5=eed980ee5b66a9c30588eeb263aed985&ie=/sdarticle.pdf http://hdl.handle.net/123456789/11305 en Elsevier B. V.
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Design-expert
Fixed-bed pyrolysis
Rice husk
Thermogravimetric
spellingShingle Design-expert
Fixed-bed pyrolysis
Rice husk
Thermogravimetric
Khairuddin, Md Isa
Suhardy, Daud
Nasrul, Hamidin
Khudzir, Ismail
Saiful Azhar, Saad
Farizul Hafiz, Kasim
Thermogravimetric analysis and the optimisation of bio-oil yield from fixed-bed pyrolysis of rice husk using response surface methodology (RSM)
description Link to publisher’s homepage at http://www.elsevier.com/
author2 khairudin@unimap.edu.my
author_facet khairudin@unimap.edu.my
Khairuddin, Md Isa
Suhardy, Daud
Nasrul, Hamidin
Khudzir, Ismail
Saiful Azhar, Saad
Farizul Hafiz, Kasim
format Article
author Khairuddin, Md Isa
Suhardy, Daud
Nasrul, Hamidin
Khudzir, Ismail
Saiful Azhar, Saad
Farizul Hafiz, Kasim
author_sort Khairuddin, Md Isa
title Thermogravimetric analysis and the optimisation of bio-oil yield from fixed-bed pyrolysis of rice husk using response surface methodology (RSM)
title_short Thermogravimetric analysis and the optimisation of bio-oil yield from fixed-bed pyrolysis of rice husk using response surface methodology (RSM)
title_full Thermogravimetric analysis and the optimisation of bio-oil yield from fixed-bed pyrolysis of rice husk using response surface methodology (RSM)
title_fullStr Thermogravimetric analysis and the optimisation of bio-oil yield from fixed-bed pyrolysis of rice husk using response surface methodology (RSM)
title_full_unstemmed Thermogravimetric analysis and the optimisation of bio-oil yield from fixed-bed pyrolysis of rice husk using response surface methodology (RSM)
title_sort thermogravimetric analysis and the optimisation of bio-oil yield from fixed-bed pyrolysis of rice husk using response surface methodology (rsm)
publisher Elsevier B. V.
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/11305
_version_ 1643790113526775808
score 13.160551

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