Abstract
The eggshell waste which has potential mineral such as calcium oxide (CaO) was studied for biomass pyrolysis in a fixed bed reactor. The objective of this study was to characterize the CaO from waste eggshell and correlated the potential in pyrolysis process. Raw eggshells were analyzed by thermal gravimetric analyzer (TGA). Then, they were calcined at the temperature of 900oC for 1 hour with nitrogen gas. Raw and calcined eggshell were characterized by x-ray fluorescence (XRF). Non-catalytic and catalytic pyrolysis were done in the optimum pyrolysis condition with eggshell as a catalyst. XRF results showed that the percentage of CaO in raw eggshell was increased in calcined eggshell. Bio-oil product yield increased by 25.98% by using eggshell waste as a catalyst. CaO from waste eggshell improved the production of bio-oil in terms of quantity.
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