Pyrolysis of Algae for Bio Oil Production

Domaine:

environment and energy

Type de record:

paper

Créateur:

A.,M. F.

Éditeur:

SPE

Hôte:

Abstract The increasing concentration of atmospheric carbon dioxide (CO2) and the environmental challenges associated with fossil fuel dependence necessitate the development of sustainable alternatives. This research investigates the pyrolysis of Chlorella vulgaris algae as a means for Bio-oil production. The study involved cultivating microalgae under controlled conditions, preparing the biomass, and subjecting it to pyrolysis at 550 °C. The products were characterized using Scanning Electron Microscopy (SEM), Energy Dispersive X-ray Spectroscopy (EDX), and Fourier Transform Infrared Spectroscopy (FTIR). Results showed that the algae biomass possessed favorable properties for pyrolysis, yielding between 175 ml and 350 ml of Bio-oil per 1000 g of feedstock. However, the flash point values (65–78°C) and sulfur content levels (0.784–0.833 wt%) of the Bio-oil samples fell below international biodiesel standards (ASTM D6751 and EN 14214), indicating the need for upgrading. This study concludes that although algae-derived Bio-oil requires further refinement, it presents a viable and renewable energy source for mitigating fossil fuel dependence and addressing environmental pollution, particularly in regions like Nigeria.

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