Microalgal biofuels: Challenges and prospective in the framework of circular bioeconomy
Microalgae are a promising bioresource, facilitating carbon dioxide sequestration and wastewater bioremediation whilst synthesizing lipids and carbohydrates that could be processed into biofuels such as biodiesel, biochar, biogas, and biohydrogen. Microalgae has the potential to play a major role wi...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-03-01
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| Series: | Energy Nexus |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S277242712400069X |
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| author | Sajani Piyatilleke Bavatharny Thevarajah P.H.V. Nimarshana Thilini U. Ariyadasa |
| author_facet | Sajani Piyatilleke Bavatharny Thevarajah P.H.V. Nimarshana Thilini U. Ariyadasa |
| author_sort | Sajani Piyatilleke |
| collection | DOAJ |
| description | Microalgae are a promising bioresource, facilitating carbon dioxide sequestration and wastewater bioremediation whilst synthesizing lipids and carbohydrates that could be processed into biofuels such as biodiesel, biochar, biogas, and biohydrogen. Microalgae has the potential to play a major role within a sustainable bioeconomy, through zero-waste, carbon-neutral production of multiple biofuels by valorizing the entire biomass. Despite the multitude of advantages in deriving biofuels from microalgae, techno-economic challenges, such as chemical requirements for cultivation, energy requirements of harvesting, and tradeoffs between efficiency-energy-cost of downstream processing methods act as a barrier to scale-up and economically viable operation under the framework of a circular bioeconomy. Thus, this review aims to discuss the potential of microalgae-derived biofuels in achieving a circular bioeconomy through perspectives of possible integration with wastewater bioremediation as well as multiproduct biorefining operations. Furthermore, the review will detail the encompassing techno-economic and sustainability challenges toward large-scale implementation of microalgal biofuels within the framework of a circular bioeconomy, while assessing the potential solutions and perspectives. |
| format | Article |
| id | doaj-art-9d77d263d0fb49fd937cd6247c29a0ab |
| institution | OA Journals |
| issn | 2772-4271 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Energy Nexus |
| spelling | doaj-art-9d77d263d0fb49fd937cd6247c29a0ab2025-08-20T01:49:31ZengElsevierEnergy Nexus2772-42712025-03-011710033810.1016/j.nexus.2024.100338Microalgal biofuels: Challenges and prospective in the framework of circular bioeconomySajani Piyatilleke0Bavatharny Thevarajah1P.H.V. Nimarshana2Thilini U. Ariyadasa3Department of Chemical and Process Engineering, Faculty of Engineering, University of Moratuwa, Moratuwa 10400, Sri LankaDepartment of Chemical and Process Engineering, Faculty of Engineering, University of Moratuwa, Moratuwa 10400, Sri LankaDepartment of Mechanical Engineering, Faculty of Engineering, University of Moratuwa, Moratuwa 10400, Sri LankaDepartment of Chemical and Process Engineering, Faculty of Engineering, University of Moratuwa, Moratuwa 10400, Sri Lanka; Corresponding author.Microalgae are a promising bioresource, facilitating carbon dioxide sequestration and wastewater bioremediation whilst synthesizing lipids and carbohydrates that could be processed into biofuels such as biodiesel, biochar, biogas, and biohydrogen. Microalgae has the potential to play a major role within a sustainable bioeconomy, through zero-waste, carbon-neutral production of multiple biofuels by valorizing the entire biomass. Despite the multitude of advantages in deriving biofuels from microalgae, techno-economic challenges, such as chemical requirements for cultivation, energy requirements of harvesting, and tradeoffs between efficiency-energy-cost of downstream processing methods act as a barrier to scale-up and economically viable operation under the framework of a circular bioeconomy. Thus, this review aims to discuss the potential of microalgae-derived biofuels in achieving a circular bioeconomy through perspectives of possible integration with wastewater bioremediation as well as multiproduct biorefining operations. Furthermore, the review will detail the encompassing techno-economic and sustainability challenges toward large-scale implementation of microalgal biofuels within the framework of a circular bioeconomy, while assessing the potential solutions and perspectives.http://www.sciencedirect.com/science/article/pii/S277242712400069XBioremediationBiorefineryWastewaterCircular bioeconomySustainabilityBioenergy |
| spellingShingle | Sajani Piyatilleke Bavatharny Thevarajah P.H.V. Nimarshana Thilini U. Ariyadasa Microalgal biofuels: Challenges and prospective in the framework of circular bioeconomy Energy Nexus Bioremediation Biorefinery Wastewater Circular bioeconomy Sustainability Bioenergy |
| title | Microalgal biofuels: Challenges and prospective in the framework of circular bioeconomy |
| title_full | Microalgal biofuels: Challenges and prospective in the framework of circular bioeconomy |
| title_fullStr | Microalgal biofuels: Challenges and prospective in the framework of circular bioeconomy |
| title_full_unstemmed | Microalgal biofuels: Challenges and prospective in the framework of circular bioeconomy |
| title_short | Microalgal biofuels: Challenges and prospective in the framework of circular bioeconomy |
| title_sort | microalgal biofuels challenges and prospective in the framework of circular bioeconomy |
| topic | Bioremediation Biorefinery Wastewater Circular bioeconomy Sustainability Bioenergy |
| url | http://www.sciencedirect.com/science/article/pii/S277242712400069X |
| work_keys_str_mv | AT sajanipiyatilleke microalgalbiofuelschallengesandprospectiveintheframeworkofcircularbioeconomy AT bavatharnythevarajah microalgalbiofuelschallengesandprospectiveintheframeworkofcircularbioeconomy AT phvnimarshana microalgalbiofuelschallengesandprospectiveintheframeworkofcircularbioeconomy AT thiliniuariyadasa microalgalbiofuelschallengesandprospectiveintheframeworkofcircularbioeconomy |