Summary
The main contaminants (CO2 and H2S) in biogas produced by anaerobic digestion can be removed by an intensive mass culture of microalgae.
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Conde, J.L., Moro, L.E., Travieso, L. et al. Biogas purification process using intensive microalgae cultures. Biotechnol Lett 15, 317–320 (1993). https://doi.org/10.1007/BF00128326
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DOI: https://doi.org/10.1007/BF00128326