Feasibility Study for Production of Biofuel and Chemicals from Marine Microalgae Nannochloropsis sp. Based on Basic Mass and Energy Analysis

Table 2

GC/MS analysis of bio-oil obtained from pyrolysis of algae biomass (after lipid extraction).

Name of the compound	Estimated; concentration (g/m^3)	Enthalpy of; combustion (KJ/mol)	Mass fraction	Molecular mass (g/mol)	Heating value (MJ/kg); at 25°C and 1 atm
Acetone	110	−1772	0.5400	58.08	−16.5000
2-Butonone	65	−2444.2	0.3200	72.11	−10.8000
Trimethylamine	7.2	0.0360	0.0325	59	−1.4900
Propanal,2-methyl	0.8	−2469.4	0.0040	72	0.1400
Propanenitrile	2.3	−1948.3	0.0112	55.08	0.4000
Butanal,2-methyl	0.4	−2560.8	0.0020	86.13	0.0590
Butanenitrile,3-methyl	3.6	−3246	0.0176	86.13	−0.6887
Pyrrole	3.1	−2351.7	0.0150	67	−0.5400
Pentanenitrile,4-methyl	4	−3637	0.0195	97	0.7348
Pyridine,2-methyl	0.2	−3292	0.0009	93	−0.0346
1,3-Butadiene,2-methyl	0.2	−3158.2	0.0009	68	−0.0455
Total					32 MJ/kg of oil