<![CDATA[Indonesia has abundance of biomass that underutilized, including oil palm biomass in such as empty fruit bunches and palm fronds. The biomass can be converted into biohydrocarbons through a pyrolysis process that produces bio-oil and followed by an up-grading process to improve its quality. Upgrading Bio-oil into biohydrocarbons can be conducted through various production processes, including hydrothermal processes. Bio-oil has different chacateristic compared to diesel fuel. Bio-oil has a high water content (11-50%), high acidity, and high viscosity (> 40 cP). Based on these characteristics, the hydrothermal process has the advantage of being able to operate with raw materials that have a high water content. The operating conditions of the hydrothermal process are 300 – 400 oC, 150 – 200 bar. For this reason, a bio-oil upgrading reactor was designed using a hydrothermal process to operate at a temperature of 420 oC and a pressure of up to 220 bar.]]>
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