The new study by researchers
at CCMAR, in collaboration with Greencolab, Necton and Allmicroalgae has looked into new methods to increase the production of
microalgae, in line with rising demand.

Until recently, microalgae were produced in open production systems. However,
although this method is cheaper, it also has more disadvantages, one of them
being poor light distribution.

To address this
problem, CCMAR studied the impact and costs of integrating LED in outdoor
raceway ponds. The researchers found that the use of LEDs in cultures of the
microalgae Nannochloropsis oceanica increased
biomass growth, especially during the night. In addition, they found that the
protein and carbohydrate content also increased in the cultures that were under
LED exposure. This research presents the possibility to optimise the process of
microalgae production at an industrial scale.

However, they add that the
incorporation of this type of light should be mainly considered for the
production of high-value algal products, since it represents an additional cost
in the production of biomass.

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