Preliminary Design of High-Yield Patchouli (Pogostemon cablin Benth.) Oil Production System with Phosphate Fertilizer Treatment and Nutrient Rich Biomass Production from Black Soldier Flies (Hermetia illucens) Larvae by Applying a Biorefinery Concept
Abstract— Patchouli oil is an essential oil extracted from patchouli (Pogostemon cablin Benth.) leaves. It is an important raw material used in the perfume, fragrance, and cosmetics industries. As the extraction process generates more waste compared with the extract, a waste treatment process is needed. In the conventional process, the waste is not treated and just thrown away. Biorefinery is a concept that can be applied to convert biomass waste into a variety of chemicals, biomaterials, and energy. This concept aims to increase the value of the biomass and minimize waste. The feasibility of the production system was determined in this study by mass balance and gross profit margin (GPM) analysis. Patchouli oil production system with biorefinery concept produced more varied products with GPM value of 2.442, 1.5 times higher than that of the conventional system. On the basis of mass balance and GPM analysis, it can be concluded that this patchouli oil production system is economically and technically feasible. Thus, it must be further developed and applied during the process of patchouli oil production.
Keywords— Pogostemon cablin oil; Phosphate fertilizer; Black Soldier Fly Larvae; Biorefinery; Gross Profit Margin
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