Algae biopolymer towards sustainable circular economy
2021
Devadas, Vishno Vardhan | Khoo, Kuan Shiong | Chia, Wen Yi | Chew, Kit Wayne | Munawaroh, Heli Siti Halimatul | Man-Kee Lam, | Lim, Jun-Wei | Ho, Yeek-Chia | Lee, Keat Teong | Show, Pau Loke
The accumulation of conventional petroleum-based polymers has increased exponentially over the years. Therefore, algae-based biopolymer has gained interest among researchers as one of the alternative approaches in achieving a sustainable circular economy around the world. The benefits of microalgae biopolymer over other feedstock is its autotrophic complex to reduce the greenhouse gases emission, rapid growing ability with flexibility in diverse environments and its ability to compost that gives greenhouse gas credits. In contrast, this review provides a comprehensive understanding of algae-based biopolymer in the evaluation of microalgae strains, bioplastic characterization and bioplastic blending technologies. The future prospects and challenges on the algae circular bioeconomy which includes the challenges faced in circular economy, issues regard to the scale-up and operating cost of microalgae cultivation and the life cycle assessment on algal-based biopolymer were highlighted. The aim of this review is to provide insights of algae-based biopolymer towards a sustainable circular bioeconomy.
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