Algae as potential source for third generation of biofuel
2024
Najafpour-Darzi, Ghasem | Jalilian, Neda | Gharanjik, Mohammad Amin
Algae can absorb and fix carbon dioxide during photosynthesis, potentially reducing greenhouse gas emissions when used as a fuel source. This characteristic positions algae not only as a renewable energy source but also as a tool for climate change mitigation. While third-generation biofuels from algae present significant potential to contribute to global energy needs sustainably, further research is essential to overcome existing technological and economic barriers. By addressing these challenges through innovative cultivation techniques and biorefinery concepts, algae could play a pivotal role in the transition towards renewable energy sources. The future of energy may well depends on harnessing the remarkable capabilities of microalgae in quest for sustainability CO₂ biofixation through microalgae represents a sustainable method for capturing carbon dioxide. In this study, CO₂ was supplied directly from the flue gas of the Neka thermal power plant. The growth performance of microalgal species, including Spirulina sp., Chlorella vulgaris, and Scenedesmus obliquus, was evaluated for their capacity for the biofixation of CO₂ and accumulate lipids at CO₂ concentrations of 0.03%, 2%, and 5%. The results indicated a comparative analysis of the growth rates among the three strains under identical conditions. For C. vulgaris, the maximum growth rate, biomass productivity (PB), CO₂ consumption rate (P CO₂), and lipid content at a CO₂ concentration of 5% were recorded as 0.44 d⁻¹, 169.75 mg L⁻¹ d⁻¹, 319 mg L⁻¹ d⁻¹, and 32.8%, respectively.
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Editorial LBTU Faculty of Forest and Environmental Sciences
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