Detecting chemicals with high yield in pyrolytic liquid of spirulina sp. microalgae via GC-MS

Authors : Gamze ÖZÇAKIR, Ali KARADUMAN

Pages : 107-114

Doi:10.31593/ijeat.772113

View : 38 | Download : 8

Publication Date : 2020-12-31

Article Type : Research Paper

Abstract :Pyrolysis of Spirulina sp. Microalgae was carried out in a semi-batch glass reactor system. Effect of temperature on the yields of pyrolytic products insert ignore into journalissuearticles values(gaseous, liquid and solid residue); and chemical composition of the liquid products were investigated. All experiments were performed in 25 mL/min nitrogen atmosphere with 15 g feedstock which was dry and powder form of Spirulina. Temperature was varied from 470 to 620 °C with 50 °C break by utilizing PID controller which was setted 10 °C/min heating rate. The aqueous phase and bio-oil insert ignore into journalissuearticles values(organic phase); of the liquid products were characterized by GC-MS. Maximum yields of bio-oil and aqueous phase were obtained approximately as 30 wt. % at 520 °C and as 20 wt. % at 470 °C. It was detected that bio-oil composed of aliphatic and cyclic hydrocarbons insert ignore into journalissuearticles values(such as toluene and heptadecane);, oxygenated components insert ignore into journalissuearticles values(such as phenol, o-cresol and nonadecanol);, nitrogenous components insert ignore into journalissuearticles values(such as hexadecaneamide and 3-Methyl-1H-indole);. Unlike bio-oil, hydrocarbons like toluene, ethyl benzene, styrene and alkanes were not detected in aqueous phase.
Keywords : Biomass, Bio oil, Green Chemicals, Microalgae, Pyrolysis

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