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

Research output: Contribution to journalArticle

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 languageEnglish
Article number3509
JournalEnergies
Volume12
Issue number18
DOIs
Publication statusPublished - 12 Sep 2019

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Seaweed
Biomass
Feedstocks
Ashes
Moisture Content
Activation Energy
Microwave
Degradation
Kinetics
Calorific value
Synthesis
Liquefaction
Biofuels
Acetic acid
Conversion efficiency
Lubricants
Pyrolysis
Moisture
Activation energy
Microwaves

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Energy (miscellaneous)
  • Control and Optimization
  • Electrical and Electronic Engineering

Cite this

Ong, Mei Yin ; Abdul Latif, Nor Insyirah Syahira ; Leong, Hui Yi ; Salman, Bello ; Show, Pau Loke ; Nomanbhay, Saifuddin. / Characterization and analysis of Malaysian macroalgae biomass as potential feedstock for bio-oil production. In: Energies. 2019 ; Vol. 12, No. 18.
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Characterization and analysis of Malaysian macroalgae biomass as potential feedstock for bio-oil production. / Ong, Mei Yin; Abdul Latif, Nor Insyirah Syahira; Leong, Hui Yi; Salman, Bello; Show, Pau Loke; Nomanbhay, Saifuddin.

In: Energies, Vol. 12, No. 18, 3509, 12.09.2019.

Research output: Contribution to journalArticle

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