Extraction of Municipal Sewage Sludge Lipids Using Supercritical CO₂ for Biodiesel Production: Mathematical and Kinetics Modeling

Figure 1

Lipids’ extraction from municipal sewage sludge using scCO₂. (a) Effects of pressure, experimental conditions: temperature of 60°C and treatment time of 60 min. (b) Effects of temperature, experimental conditions: pressure of 30 MPa and treatment time of 60 min. (c) Effects of treatment times, experimental conditions: pressure of 30 MPa and temperature of 60°C. (d) Effect of cosolvents, experimental conditions: pressure of 30 MPa, temperature of 60°C, and treatment time of 60 min.

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