Abstract
Pyrolysis of residues from the oil extraction process of two types of microalgae, Chlamydomonas (C. sp. JSC4) and Chlorella sorokiniana (C. Sorokiniana CY1) was studied by means of a thermogravimetric analyzer. Five pseudo-components (hemicellulose, cellulose, lignin, lipid and protein) model with n=1 or n#1 was assumed for a kinetic analysis of the collected pyrolysis data. The model with n#1 resulted in a slightly better fit quality and reasonable kinetic parameters. The calculated activation energy of hemicellulose, cellulose, lignin, lipid, protein was 115.12–117.12kJ/mol, 181.67–198.30kJ/mol, 61.74–62.75kJ/mol, 104.93–114.14kJ/mol and 90.75–99.31kJ/mol, respectively, for C. sp. JSC4; and 113.12–117.12kJ/mol, 218.73–28.79kJ/mol, 64.77–66.39kJ/mol, 131.97–143.63kJ/mol and 108.03–118.13kJ/mol, respectively, for C. Sorokiniana CY1.
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