A fuel cell powered by crude glycerol is an efficient way to generate electricity by harvesting more energy from the production of biodiesel fuel. Biodiesel is made by transesterification of oils and fats, which yields crude glycerol as a byproduct.  A renewable source of fuel reduces the need for traditional, fossil-fuel based power generation, and decreases greenhouse emissions and reduces foreign oil dependency. This approach has demonstrated the enormous potential of a fuel cell technology to do “double-duty” for our environment. Using the byproduct of a renewable fuel in a fuel cell boosts the 3.2 renewable to fossil fuel ratio for biodiesel production to a score of 4.2. Further, since complete oxidation of glycerol to CO<sub>2</sub> is not observed, this increase is essentially tantamount to a negative carbon footprint.

Utilizing biodiesel byproduct as an energy source and carbon capture without generating CO<sub>2</sub>

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ACS Fall 2022

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Utilizing biodiesel byproduct as an energy source and carbon capture without generating CO2

Utilizing biodiesel byproduct as an energy source and carbon capture without generating CO₂