Abstract
Bio oil is the result of pyrolysis of biomass raw materials in the form of dark-colored liquids containing major chemical compounds such as benzene compounds, aromatic compounds, aliphatic, and other organic compounds. In the future, bio-oil is expected to be a substitute for fossil fuels as they are more environmentally friendly. Empty fruit bunches (EFB) from oil palm are one type of biomass that can be used as bio-oil products. The elements of pyrolysis that were analyzed were High Heating Value (MJ/kg), pH, viscosity, density and analysis of the components of hydrocarbon compounds formed using GCMS analysis. The results showed that HHV value 35.66 MJ / - 39.09 MJ/kg, the pH value of bio-oil was somewhat similar to normal pH 4 - 6, and viscosity was 4 - 9 cp. The results of GCMS analysis showed that the content of the optimal percentage of hydrocarbon compounds was treated with 40 mesh powders with a hydrogen pressure of 15 bar. 19 types of hydrocarbon compounds were found with a total percentage of 13.79 %.
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