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Futuristic opportunities for pretreatment processes in biofuel production from microalgae

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dc.citedby1
dc.contributor.authorTan C.H.en_US
dc.contributor.authorLow S.S.en_US
dc.contributor.authorCheah W.Y.en_US
dc.contributor.authorSingh J.en_US
dc.contributor.authorChai W.S.en_US
dc.contributor.authorTiong S.K.en_US
dc.contributor.authorShow P.L.en_US
dc.contributor.authorid56489158400en_US
dc.contributor.authorid56970660600en_US
dc.contributor.authorid56603907000en_US
dc.contributor.authorid58993062100en_US
dc.contributor.authorid57188685119en_US
dc.contributor.authorid15128307800en_US
dc.contributor.authorid47861451300en_US
dc.date.accessioned2025-03-03T07:43:47Z
dc.date.available2025-03-03T07:43:47Z
dc.date.issued2024
dc.description.abstractMicroalgal biofuel is a promising solution to replace fossil fuel as a renewable and environmental-friendly energy source, thereby contributing to the United Nations (UN) Sustainable Development Goals (SDGs), in particular SDG-7, or Affordable and Clean Energy. Unlike energy crops (like oil palm and sugar cane), microalgae benefit from faster growth rate, higher lipid content, smaller land area required, ability to flourish using waste or brackish water, and posing zero competition with food crops. Microalgae-derived biofuels (like biodiesel, bioethanol, biomethane, and biohydrogen) are sustainable energy sources that can be produced using well-developed techniques (e.g., transesterification, fermentation, anaerobic digestion, and Fisher?Tropsch process). To prevent dire climate conditions resulting from the global temperature rise of 1.5�C and resolve worldwide energy security issue, our generation will need to establish and implement renewables on a global scale. To improve the industrial production of microalgal biofuel, the efficiencies of biomass and metabolite production to post-cultivation biofuel synthesis processes must be enhanced. For the cultivation step, there exist three key techniques that can directly change the traits, structure, and behavior of microalgal cells, and induce them to accumulate targeted metabolites rapidly and in large amounts. These techniques are genetic engineering, chemical modulation, and nanomaterial approach. Genetic engineering commonly alters the chloroplast DNA of microalgae to overexpress or down-regulate key genes in various metabolic pathways so that the cells accumulate more lipids. Chemicals can also be used to modulate microalgal growth and lipid accumulation by inducing oxidative stress or prevent conversion of lipid molecules. Nanomaterials and nanoparticles can also enhance microalgal lipid production by microenvironmental stress induction, vitamin supplementation, and light backscattering. Therefore, in this review, the recent progress as well as the pros and cons of genetic engineering, chemical modulation, and nanomaterial approach in achieving greater biofuel production from microalgae are comprehensively examined. ? 2024 The Authors. GCB Bioenergy published by John Wiley & Sons Ltd.en_US
dc.description.natureFinalen_US
dc.identifier.ArtNoe13136
dc.identifier.doi10.1111/gcbb.13136
dc.identifier.issue5
dc.identifier.scopus2-s2.0-85190779685
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85190779685&doi=10.1111%2fgcbb.13136&partnerID=40&md5=cb49d321f9d39ddefe6b46d4974520fb
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/36670
dc.identifier.volume16
dc.publisherJohn Wiley and Sons Incen_US
dc.sourceScopus
dc.sourcetitleGCB Bioenergy
dc.subjectAnaerobic digestion
dc.subjectBioethanol
dc.subjectBiomolecules
dc.subjectBiopolymers
dc.subjectCell engineering
dc.subjectCrops
dc.subjectEnergy security
dc.subjectFossil fuels
dc.subjectGenetic engineering
dc.subjectHydrolysis
dc.subjectMetabolites
dc.subjectMicroorganisms
dc.subjectPalm oil
dc.subjectSugar cane
dc.subjectSustainable development
dc.subjectBio-energy
dc.subjectBiofuel production
dc.subjectEnergy source
dc.subjectEnvironmental-friendly
dc.subjectMicro-algae
dc.subjectMicroalgal biofuels
dc.subjectMicroalgal lipids
dc.subjectPre-treatments
dc.subjectPretreatment process
dc.subjectUnited Nations
dc.subjectbiofuel
dc.subjectchloroplast
dc.subjectgenetic engineering
dc.subjectgrowth rate
dc.subjectindustrial production
dc.subjectlipid
dc.subjectmicroalga
dc.subjectnanomaterial
dc.subjectnanoparticle
dc.subjectoxidative stress
dc.subjectMicroalgae
dc.titleFuturistic opportunities for pretreatment processes in biofuel production from microalgaeen_US
dc.typeReviewen_US
dspace.entity.typePublication
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