Abstract
Microalgae have a clear potential to be used as a source for the production of biofuel. In order to utilize microalgae for this purpose, the most common systems for cultivating and harvesting them are investigated in the previous years. Since there are many species of microalgae with varying lipid accumulating characteristics, a diversity of options for the production of microalgae based energy have been analyzed. Subsequently, the energy inputs and conditions needed for growing and harvesting the microalgae and its oil production potentials are examined. This concludes with a formulation of complete concept for producing a renewable energy carrier from microalgae, which will be used for in-depth analysis.Â
Highlights
The development of dedicated culture systems only started, in the 1950s, when algae were investigated as an alternative protein source for the increasing world population
There is a need for strenuous research on the biosynthesis of microalgal lipids, especially triacylglycerols (TAGs), if we want to understand and manipulate microalgae for the production of biodiesel
Over 30 years ago, the Aquatic Species Programme of the US Department of Energy illustrated the potential of microalgae to provide liquid energy
Summary
The development of dedicated culture systems only started, in the 1950s, when algae were investigated as an alternative protein source for the increasing world population. One important prerequisite to grow microalgae commercially for energy production is the need for large scale systems which can range from very simple open air systems on- or off-shore which expose the microalgae to the environment, to highly controllable, optimized but more expensive closed systems. Cultivating specific strains of potential microalgae for biodiesel production could be a bit more difficult as they require high maintenance and get contaminated by undesirable species.
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