Cited by 37Thermochemical Biomass Conversion ProcessesAlgal biology and biofuel productionBiofuel production and bioconversion

Bio-oil production from oleaginous microorganisms using hydrothermal liquefaction: A biorefinery approach

Paul, Tanushree, Sinharoy, Arindam, Baskaran, Divya, Pakshirajan, Kannan, Pugazhenthi, G., Lens, Piet N. L.·2022·Critical Reviews in Environmental Science and Technology

Abstract

The urge for alternative forms of energy to meet the demands of the ever-growing population is a primary concern throughout the world. With the improvement in technologies, biomass seems to be a potential feedstock for conversion to bio-oil by either pyrolysis or hydrothermal liquefaction (HTL). The latter is advantageous as wet biomass can be used directly without any pretreatment, and HTL also produces useful byproducts along with bio-oil. The use of oleaginous microorganisms such as algae, bacteria, and yeasts as biomass feedstocks for the HTL process is more beneficial compared to other conventionally used feedstocks such as lignocellulosic biomass, owing to their high oil content and fast growth rate even on cheaply available substrates. This paper provides an insight into the advantages and detailed information on different oleaginous microorganisms, their composition, and the use of wastewater as their substrate for cultivation. It also emphasizes HTL as an appropriate thermochemical conversion process for biomass processing and production of bio-oil as well as the different process parameters affecting the HTL technology. An integrated HTL based sustainable biorefinery approach for resource recovery in the form of energy is also discussed in detail, along with the future research perspectives in this field.

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Crossref · 10.1080/10643389.2020.1820803

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  • Since biomass is a complex mixture of macromolecules, the reaction chemistry and mechanisms of liquefaction are consequently also complex.

    “Since biomass is a complex mixture of macromolecules, the reaction chemistry and mechanisms of liquefaction are consequently also complex [6].”

    From Key Targets for Improving Algal Biofuel Production (2021) · cites this paper as [6]

  • Microalgae can accumulate large amounts of lipids, making them valuable for biodiesel production.

    “Among the promising areas is the use of lipid-rich microalgae biomass for the production of biodiesel, a third-generation fuel [1–10].”

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Authors
Paul, T., Sinharoy, A., Baskaran, D., Pakshirajan, K., Pugazhenthi, G., & Lens, P. N. L.
Affiliations
  • Indian Institute of Technology Guwahati (IN)
  • Ollscoil na Gaillimhe – University of Galway (IE)
Corresponding author
Paul, Tanushree
Venue
Critical Reviews in Environmental Science and Technology
Published
2020-09-26
Volume
52
Issue
3
Pages
356-394
ISSN
  • 1064-3389 (ISSN-L)
  • 1547-6537
OpenAlex
W3088671269
Cited by
37
References
200
Citations by year
2026: 1 · 2025: 5 · 2024: 9 · 2023: 5 · 2022: 9 · 2021: 7 · 2020: 1
FWCI
1.73
Type
journal article
Language
en
Open access
closed
Locations
Critical Reviews in Environmental Science and Technology (publishedVersion)
Funders
  • Department of Science and Technology, Government of India
  • DST/TM/WTI/2K16/1
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Engineering › Biomedical Engineering › Biofuel production and bioconversion
Keywords
hydrothermal liquefaction, bio-oil, oleaginous microorganisms, biorefinery, algae, bacteria, yeast, thermochemical conversion, process parameters, resource recovery, bioenergy

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