Carbon Dioxide Sequestration from Biogas Production by Microalgae Chlorella sp.
Researchers performed an experiment to analyse the efficiency of Chlorella sp. in carbon capture from the biogas produced. In the biological CO2 capturing process, biogas was pumped to the water recycling culturing medium, only CO2, not CH4, could get dissolved efficiently with the sprayer and recycling medium system.
Results showed that the microorganisms could resist to methane except H2S and significantly induced at least 90-95% CO2 removal efficiency and increased biomass production within 7 day cultivation.