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Comparison of the yield and properties of bio-oil produced by slow and fast pyrolysis of rice husks and coconut shells

Slow pyrolysis (SP) and fast pyrolysis (FP) of rice husks, coconut shells and their mixtures were studied in a fixed bed reactor. The objectives of this study were to compare the yields and properties of bio-oils produced using SP and FP methods within a pyrolysis temperature range of 400˚C to 60...

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Main Authors: Gu, Mandy Su Zan, Jourabchi, Seyed Amirmostafa, Ng, Hoon Kiat, Gan, Suyin
Format: Article
Published: Trans Tech Publications Ltd 2014
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TP Chemical technology
Online Access:http://eprints.intimal.edu.my/155/
http://www.scientific.net/AMM.625.626
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spelling my-inti-eprints.1552016-09-23T01:33:43Z http://eprints.intimal.edu.my/155/ Comparison of the yield and properties of bio-oil produced by slow and fast pyrolysis of rice husks and coconut shells Gu, Mandy Su Zan Jourabchi, Seyed Amirmostafa Ng, Hoon Kiat Gan, Suyin TP Chemical technology Slow pyrolysis (SP) and fast pyrolysis (FP) of rice husks, coconut shells and their mixtures were studied in a fixed bed reactor. The objectives of this study were to compare the yields and properties of bio-oils produced using SP and FP methods within a pyrolysis temperature range of 400˚C to 600˚C. Three different biomass compositions, 100% rice husks (RH), 100% coconut shells (CS) and a mixture of 50% rice husks with 50% of coconut shells (RH50/CS50) were experimented. In SP, the maximum yield of bio-oil for RH, CS and RH50/CS50 were 45.45%, 37.01%, 38.29% at temperatures of 550˚C, 500˚C and 600˚C respectively. As for FP, the maximum bio-oil yield obtained for RH, CS and RH50/CS50 were 50.52%, 40.14% and 42.25% at temperatures of 500˚C, 600˚C and 550˚C respectively. At these optimum pyrolysis temperatures, the percentage differences in bio oil yields for SP and FP were 10.57%, 8.11% and 9.83% for RH, CS and RH50/CS50 respectively. Based on American Society for Testing and Materials (ASTM) standard procedures, the properties of bio-oil were characterised and it was found that the bio oil produced by FP at optimum temperatures were less acidic, higher density, lower water content and viscosity as compared to the bio-oil produced by SP method for all biomass compositions Trans Tech Publications Ltd 2014 Article PeerReviewed Gu, Mandy Su Zan and Jourabchi, Seyed Amirmostafa and Ng, Hoon Kiat and Gan, Suyin (2014) Comparison of the yield and properties of bio-oil produced by slow and fast pyrolysis of rice husks and coconut shells. Applied Mechanics and Materials, 625. pp. 626-629. ISSN 1662-7482 http://www.scientific.net/AMM.625.626 10.4028/www.scientific.net/AMM.625.626
institution INTI International University
building INTI Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider INTI International University
content_source INTI Institutional Repository
url_provider http://eprints.intimal.edu.my
topic TP Chemical technology
spellingShingle TP Chemical technology
Gu, Mandy Su Zan
Jourabchi, Seyed Amirmostafa
Ng, Hoon Kiat
Gan, Suyin
Comparison of the yield and properties of bio-oil produced by slow and fast pyrolysis of rice husks and coconut shells
description Slow pyrolysis (SP) and fast pyrolysis (FP) of rice husks, coconut shells and their mixtures were studied in a fixed bed reactor. The objectives of this study were to compare the yields and properties of bio-oils produced using SP and FP methods within a pyrolysis temperature range of 400˚C to 600˚C. Three different biomass compositions, 100% rice husks (RH), 100% coconut shells (CS) and a mixture of 50% rice husks with 50% of coconut shells (RH50/CS50) were experimented. In SP, the maximum yield of bio-oil for RH, CS and RH50/CS50 were 45.45%, 37.01%, 38.29% at temperatures of 550˚C, 500˚C and 600˚C respectively. As for FP, the maximum bio-oil yield obtained for RH, CS and RH50/CS50 were 50.52%, 40.14% and 42.25% at temperatures of 500˚C, 600˚C and 550˚C respectively. At these optimum pyrolysis temperatures, the percentage differences in bio oil yields for SP and FP were 10.57%, 8.11% and 9.83% for RH, CS and RH50/CS50 respectively. Based on American Society for Testing and Materials (ASTM) standard procedures, the properties of bio-oil were characterised and it was found that the bio oil produced by FP at optimum temperatures were less acidic, higher density, lower water content and viscosity as compared to the bio-oil produced by SP method for all biomass compositions
format Article
author Gu, Mandy Su Zan
Jourabchi, Seyed Amirmostafa
Ng, Hoon Kiat
Gan, Suyin
author_facet Gu, Mandy Su Zan
Jourabchi, Seyed Amirmostafa
Ng, Hoon Kiat
Gan, Suyin
author_sort Gu, Mandy Su Zan
title Comparison of the yield and properties of bio-oil produced by slow and fast pyrolysis of rice husks and coconut shells
title_short Comparison of the yield and properties of bio-oil produced by slow and fast pyrolysis of rice husks and coconut shells
title_full Comparison of the yield and properties of bio-oil produced by slow and fast pyrolysis of rice husks and coconut shells
title_fullStr Comparison of the yield and properties of bio-oil produced by slow and fast pyrolysis of rice husks and coconut shells
title_full_unstemmed Comparison of the yield and properties of bio-oil produced by slow and fast pyrolysis of rice husks and coconut shells
title_sort comparison of the yield and properties of bio-oil produced by slow and fast pyrolysis of rice husks and coconut shells
publisher Trans Tech Publications Ltd
publishDate 2014
url http://eprints.intimal.edu.my/155/
http://www.scientific.net/AMM.625.626
_version_ 1644541134694776832
score 13.211869

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