Pyrolysis of microalgae residues--A kinetic study.
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 115.12-117.12 kJ/mol, 181.67-198.30 kJ/mol, 61.74-62.75 kJ/mol, 104.93-114.14 kJ/mol and 90.75-99.31 kJ/mol, respectively, for C. sp. JSC4; and 113.12-117.12 kJ/mol, 218.73-28.79 kJ/mol, 64.77-66.39 kJ/mol, 131.97-143.63 kJ/mol and 108.03-118.13 kJ/mol, respectively, for C. Sorokiniana CY1.
The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok 10330, Thailand. Electronic address: bhhau90@gmail.com.
Hau-Huu
HH
Bui
Department of Energy and Process Engineering, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway.
Khanh-Quang
KQ
Tran
Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan 701, Taiwan.
Wei-Hsin
WH
Chen
D001709:Biotechnology / Q000379:methods*; D002482:Cellulose / Q000737:chemistry; D002696:Chlamydomonas / Q000737:chemistry*; D002708:Chlorella / Q000737:chemistry*; D007700:Kinetics; D008031:Lignin / Q000737:chemistry; D008055:Lipids / Q000737:chemistry; D058086:Microalgae / Q000737:chemistry*; D008962:Models, Theoretical; D010940:Plant Proteins / Q000737:chemistry; D013818:Thermogravimetry
D008055:Lipids; D010940:Plant Proteins; D002482:Cellulose; D008031:Lignin
Five pseudo-components model; Kinetic modelling; Microalgae residue; Non-isothermal pyrolysis