CO2 balance for biodiesel production from microalgae
Date
2009
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Abstract
As global climate change due to increased atmospheric CO2 becomes a greater
concern, alternative energy sources such as biodiesel derived from microalgae are
being explored as a way to reduce CO2 outputs. I investigated the extent to which
microalgal biodiesel production is a carbon neutral process. The total carbon and
CO2 input to the system was compared against the total carbon and CO2 emitted
during the production process. Although biodiesel production was found to be
carbon neutral, excluding carbon release from energy use, it was found to emit more
CO2 than is consumed and therefore is not CO2 neutral. While microalgal biodiesel
provides several advantages over petroleum based fuels, the production of
microalgal biodiesel is not a CO2 neutral process.
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biodiesel, microalgae, climate change
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41 pages
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