Impact of abiotic factors on biodiesel production by microalgae

•Microalgae are considered as the reliable resources of biodiesel production.•Produce third generation biofuel with high productivity value.•Promising impacts of physical pretreatment on microalgal biomass.•Review towards physical abiotic factors and pretreatment of microalgae. The most advantageous...

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Bibliographic Details
Published in:Fuel (Guildford) 2021-01, Vol.284, p.118962, Article 118962
Main Authors: Ananthi, V., Brindhadevi, Kathirvel, Pugazhendhi, Arivalagan, Arun, A.
Format: Article
Language:English
Subjects:
Abiotic factors
Algae
Biodiesel fuels
Biofuels
Biomass
Cell disruption
Cell membranes
Commercialization
Degeneration
Diesel
Environmental parameters
Fatty acids
Fossil fuels
Lipids
Microalgae
Microorganisms
Pretreatment
Renewable energy
Renewable energy sources
Renewable resources
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Summary:•Microalgae are considered as the reliable resources of biodiesel production.•Produce third generation biofuel with high productivity value.•Promising impacts of physical pretreatment on microalgal biomass.•Review towards physical abiotic factors and pretreatment of microalgae. The most advantageous renewable energy source which is still being explored for the source of renewable energy is biodiesel. But the major hindrance factor in the part of commercialization is the raw material cost under large scale various. Microalgae derived biofuels have drawn compelling interest as a sustainable and potential fossil fuel. The cellular mechanism of microalgae has been found to alter by the effect of some biotic and abiotic factors. Above all, those environmental parameters and production conditions can also act as a critical factor in altering the component quantity and quality of the biodiesel produced by microalgae. The lipids are accumulated inside the oleaginous microbial cells in the form of lipid droplet, and hence the cell disruption is essential for lipid extraction to enhance the yield. Huge varieties of physicochemical and mechanical pretreatment methods are available to facilitate extraction by effective cell membrane degeneration of oleaginous microbes. The present review is to exploit the probable magnitude and advantages of abiotic factors towards microalgal growth and biodiesel production. Additionally, this study tried to evaluate the possible certainties of the microalgal pretreatment processes in lipid accumulation.
ISSN:0016-2361
1873-7153
DOI:10.1016/j.fuel.2020.118962