Journal
TRENDS IN BIOTECHNOLOGY
Volume 36, Issue 2, Pages 216-227Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tibtech.2017.10.011
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Funding
- Netherlands' Ministery of Economic Affairs [TKIBE01009]
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Although microalgae are a promising biobased feedstock, industrial scale production is still far off. To enhance the economic viability of large-scale microalgae processes, all biomass components need to be valorized, requiring a multiproduct biorefinery. However, this concept is still too expensive. Typically, downstream processing of industrial biotechnological bulk products accounts for 20-40% of the total production costs, while for a microalgae multi-product biorefinery the costs are substantially higher (50-60%). These costs are high due to the lack of appropriate and mild technologies to access the different product fractions such as proteins, carbohydrates, and lipids. To reduce the costs, simplified processes need to be developed for the main unit operations including harvesting, cell disruption, extraction, and possibly fractionation.
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