Green technology for the industrial production of biofuels and bioproducts from microalgae: a review

Doris Ying Ying Tang, Guo Yong Yew, Apurav Krishna Koyande, Kit Wayne Chew, Dai Viet N. Vo, Pau Loke Show

Research output: Contribution to journalReview articlepeer-review

94 Scopus citations

Abstract

Rise in human population and gradual decline in fossil fuels are increasing the demand for fuels and causing an upsurge in fuel prices and global warming. Concomitantly, consumers have raised their health awareness by taking various supplements, e.g. omega-3 fatty acids, thus calling for advanced nutraceuticals. Both issues are addressed by recent research on microalgae, which can be easily cultivated to produce lipidic biofuels and active drugs. Here, we reviewed the types and biosynthesis of microalgal lipids. We discuss genetic engineering and manipulation of cultivation conditions for enhancing lipid production. We present techniques for lipid extraction, with focus on green techniques. We also discuss the technical and economic challenges in manufacturing microalgae-based biofuels and other bioproducts at the industrial scale. Last, the market potentials and further research directions for future commercialization of microalgae lipids are discussed.

Original languageBritish English
Pages (from-to)1967-1985
Number of pages19
JournalEnvironmental Chemistry Letters
Volume18
Issue number6
DOIs
StatePublished - 1 Nov 2020

Keywords

  • Extraction
  • Genetic engineering
  • Lipid
  • Microalgae
  • Nutrient stress

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