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Biomass production in microalgae on the Swedish West Coast

Financed by Carl Tryggers Foundation 2016-2019 and the Swedish Energy Agency 2018-2020

The success of microalgae as a feedstock is highly dependent on the ability to produce large amounts of biomass with a high content of neutral lipids. Despite the fact that suitable strains and cultivation conditions have been optimized in the laboratory conditions and that high production levels could be achieved, the production is very expensive because of the large amount of fossil energy needed for system maintenance. The use of microalgae in outdoor cultivation in a profitable system of biomass production requires identifying strains that can maintain an efficient and robust photosynthesis while managing large fluctuations in light intensity and temperature. In this ongoing project we want to identify algal strains suitable for outdoor cultivation in the Swedish climate (West Coast) with large fluctuations in light and temperature all year round. Our focus will be on the benthic diatom Skeletonema marinoi (S. marinoi), which displays a wide genetic and physiological variability in the West Coast region. We will select strains from existing local collections and comparing their growth, photosynthetic activity and lipid in bioreactors programmed with dynamic environmental conditions typical of the seasons on the West Coast. Based on our results, we will offer a unique annual rotational model for cultivation of marine microalgae on the West Coast for extended growth season and higher production of biomass for industry.

A. Godhe (Department of Marine Sciences/GU), M.X. Andersson (Department of Biological and Environmental Sciences/GU), B. Schoefs (University of Le Mans, France).

RISE Division Bioscience and Materials in Borås.

Sidansvarig: Sven Toresson|Sidan uppdaterades: 2018-05-28

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