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PCE for raceway ponds | 1.5 | % |
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Biomass concentration for cultivation with raceway ponds | 0.8 | kgDM*/m³ |
Electricity demand for cultivation with raceway ponds | 1 | W/m² |
PCE for closed photobioreactors | 5 | % |
Biomass concentration for cultivation with closed photobioreactors | 4.0 | kgDM*/m³ |
Specific reactor volume for cultivation with closed photobioreactors | 0.05 | m³/m² |
Electricity demand for cultivation with closed photobioreactors | 100 | W/m³ |
Lower heating value microalgae biomass | 30 | MJ/kgDM* |
CO2 bound in microalgae biomass | 2.5 | kgCO2/kgDM* |
Lipid content of microalgae biomass TAG*** | 40 | % |
Lower heating value microalgae oil | 38.2 | MJ/kg |
Lower heating value microalgae press cake | 23 | MJ/kgDM* |
Separation efficiency of centrifuge | 90 | % |
Electricity demand centrifuge | 3.6 | MJ/m³ |
Oil separation efficiency | 90 | % |
Electricity demand for oil extraction | 0.35 | MJ/kgDM* |
Heat demand for oil extraction | 1.75 | MJ/kgDM* |
Conversion rate algae oil into biodiesel | 90 | % |
Electricity demand conversion to biodiesel | 0.043 | MJ/kg |
Heat demand for conversion to biodiesel | 0.750 | MJ/kg |
Lower heating value of biodiesel | 37 | MJ/kg |
Conversion efficiency microalgae press cake to biogas | 90 | % |
Electricity demand conversion to biogas | 0.48 | MJ/nm³ ** |
Heat demand for conversion to biogas | 1.5 | MJ/nm³ ** |
Lower heating value biogas | 20 | MJ/nm³ ** |
CO2 emission of electricity | 107 | gCO2/MJ |
CO2 emission of heat | 72 | gCO2/MJ |
Lower heating value of fossil diesel | 42.5 | MJ/kg |
CO2 emission of fossil diesel | 3.1 | kgCO2/kg |
Lower heating value of natural gas | 43.2 | MJ/kg |
CO2 emission of natural gas | 2.4 | kgCO2/kg |
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