Characterization and analysis of Malaysian macroalgae biomass as potential feedstock for bio-oil production

Mei Yin Ong; Nor Insyirah Syahira Abdul Latif; Hui Yi Leong; Bello Salman; Pau Loke Show; Saifuddin Nomanbhay

doi:10.3390/en12183509

Characterization and analysis of Malaysian macroalgae biomass as potential feedstock for bio-oil production

Mei Yin Ong, Nor Insyirah Syahira Abdul Latif, Hui Yi Leong, Bello Salman, Pau Loke Show, Saifuddin Nomanbhay

Chemical and Petroleum Engineering

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

The potential of Caulerpa lentillifera, Gracilaria coronopifolia and Chaetomorpha linum, as biomass feedstock was investigated in this study. It was concluded that seaweed is more suitable for bio-based products synthesis, i.e., bioplastic and bio-lubricants, instead of biofuels due to its relatively low calorific value (~12 MJ/kg). Since seaweed has high moisture content (~80%), hydrothermal liquefaction is recommended, and its efficiency can be further enhanced through microwave technology. Besides, it is found that the thermal degradation of seaweed was best described with the reaction order of 1. The kinetic results also indicated that seaweed consists of lower activation energy (<30 kJ/mol) in comparison with terrestrial biomass (50–170 kJ/mol). Hence, seaweed has a high potential to be used as biomass feedstock, particularly Chaetomorpha linum, as it has no conflict with other interests. Lastly, acetic-acid pre-treatment was suggested to be an optional process in order to increase the algal conversion efficiency as it can reduce up to 25% of ash content.

Original language	British English
Article number	3509
Journal	Energies
Volume	12
Issue number	18
DOIs	https://doi.org/10.3390/en12183509
State	Published - 12 Sep 2019

Keywords

Calorific value
Caulerpa lentillifera
Chaetomorpha linum
Gracilaria coronopifolia
Kinetic analysis

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.3390/en12183509

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title = "Characterization and analysis of Malaysian macroalgae biomass as potential feedstock for bio-oil production",

abstract = "The potential of Caulerpa lentillifera, Gracilaria coronopifolia and Chaetomorpha linum, as biomass feedstock was investigated in this study. It was concluded that seaweed is more suitable for bio-based products synthesis, i.e., bioplastic and bio-lubricants, instead of biofuels due to its relatively low calorific value (~12 MJ/kg). Since seaweed has high moisture content (~80%), hydrothermal liquefaction is recommended, and its efficiency can be further enhanced through microwave technology. Besides, it is found that the thermal degradation of seaweed was best described with the reaction order of 1. The kinetic results also indicated that seaweed consists of lower activation energy (<30 kJ/mol) in comparison with terrestrial biomass (50–170 kJ/mol). Hence, seaweed has a high potential to be used as biomass feedstock, particularly Chaetomorpha linum, as it has no conflict with other interests. Lastly, acetic-acid pre-treatment was suggested to be an optional process in order to increase the algal conversion efficiency as it can reduce up to 25% of ash content.",

keywords = "Calorific value, Caulerpa lentillifera, Chaetomorpha linum, Gracilaria coronopifolia, Kinetic analysis",

author = "Ong, {Mei Yin} and {Abdul Latif}, {Nor Insyirah Syahira} and Leong, {Hui Yi} and Bello Salman and Show, {Pau Loke} and Saifuddin Nomanbhay",

note = "Funding Information: This research was funded by the TNB Seed Fund (U-TR-RD-18-11). Besides, a note of appreciation to iRMC Universiti Tenaga Nasional (UNITEN) for the financial support through publication fund BOLD 2025 (RJO10436494). Publisher Copyright: {\textcopyright} 2019 by the authors.",

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AU - Ong, Mei Yin

AU - Abdul Latif, Nor Insyirah Syahira

AU - Leong, Hui Yi

AU - Salman, Bello

AU - Show, Pau Loke

AU - Nomanbhay, Saifuddin

N1 - Funding Information: This research was funded by the TNB Seed Fund (U-TR-RD-18-11). Besides, a note of appreciation to iRMC Universiti Tenaga Nasional (UNITEN) for the financial support through publication fund BOLD 2025 (RJO10436494). Publisher Copyright: © 2019 by the authors.

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Y1 - 2019/9/12

N2 - The potential of Caulerpa lentillifera, Gracilaria coronopifolia and Chaetomorpha linum, as biomass feedstock was investigated in this study. It was concluded that seaweed is more suitable for bio-based products synthesis, i.e., bioplastic and bio-lubricants, instead of biofuels due to its relatively low calorific value (~12 MJ/kg). Since seaweed has high moisture content (~80%), hydrothermal liquefaction is recommended, and its efficiency can be further enhanced through microwave technology. Besides, it is found that the thermal degradation of seaweed was best described with the reaction order of 1. The kinetic results also indicated that seaweed consists of lower activation energy (<30 kJ/mol) in comparison with terrestrial biomass (50–170 kJ/mol). Hence, seaweed has a high potential to be used as biomass feedstock, particularly Chaetomorpha linum, as it has no conflict with other interests. Lastly, acetic-acid pre-treatment was suggested to be an optional process in order to increase the algal conversion efficiency as it can reduce up to 25% of ash content.

AB - The potential of Caulerpa lentillifera, Gracilaria coronopifolia and Chaetomorpha linum, as biomass feedstock was investigated in this study. It was concluded that seaweed is more suitable for bio-based products synthesis, i.e., bioplastic and bio-lubricants, instead of biofuels due to its relatively low calorific value (~12 MJ/kg). Since seaweed has high moisture content (~80%), hydrothermal liquefaction is recommended, and its efficiency can be further enhanced through microwave technology. Besides, it is found that the thermal degradation of seaweed was best described with the reaction order of 1. The kinetic results also indicated that seaweed consists of lower activation energy (<30 kJ/mol) in comparison with terrestrial biomass (50–170 kJ/mol). Hence, seaweed has a high potential to be used as biomass feedstock, particularly Chaetomorpha linum, as it has no conflict with other interests. Lastly, acetic-acid pre-treatment was suggested to be an optional process in order to increase the algal conversion efficiency as it can reduce up to 25% of ash content.

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KW - Caulerpa lentillifera

KW - Chaetomorpha linum

KW - Gracilaria coronopifolia

KW - Kinetic analysis

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Characterization and analysis of Malaysian macroalgae biomass as potential feedstock for bio-oil production

Abstract

Keywords

UN SDGs

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