Upgrading of Palm Oil Empty Fruit Bunch Employing Hydrothermal Treatment in Lab-scale and Pilot Scale

Abstract In this research, the hydrothermal treatment (HT) was applied to treat a waste stream from the commercial production of palm oil. The investigation both lab-scale and pilot-scale reactors have been conducted. The hydrothermal products were characterized and their fuel qualities were evaluated. The results indicated that the fuel qualities of the products improved after HT; such as higher carbon content, higher energy density, and lower O/C and H/C ratios compared with the raw feedstock. The HT products derived from the lab-scale and pilot-scale reactors had similar chemical compositions and energy density which indicated the feasibility of an up-scale application for this technology.

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