<![CDATA[This study aims to investigate the process of utilizing patchouli waste as a raw material for briquette production and to assess the potential of patchouli waste as an environmentally friendly alternative energy source. The study was conducted from March to July 2026 at the Faculty of Agriculture, Halu Oleo University, specifically in the front yard of the Agribusiness Department Student Association Secretariat. This study is an applied research project using a descriptive approach. Primary data were obtained directly from the patchouli briquette production process, while secondary data were obtained through a literature review. Data collection techniques included observation, documentation, and a literature review. Data analysis was conducted descriptively by examining the potential of patchouli waste, the briquette production process, moisture content, and yield. The results showed that waste from patchouli distillation can be utilized to produce briquettes through the following stages: waste collection, preparation of materials and equipment, drying, carbonization, charcoal grinding, mixing with tapioca flour as a binder, molding, and final drying. In a single mixing process, 0.5 kg of patchouli waste charcoal powder, 0.08 kg of tapioca flour, and 0.4 liters of water were used, yielding 0.748 kg of dry briquettes. The resulting briquettes were solid in form, black in color, and sufficiently strong. Test results showed a briquette moisture content of 10.52% and a yield of 9.35%. These results indicate that patchouli distillation waste has the potential to be utilized as a raw material for alternative energy through briquette production and can provide added value through the more productive and environmentally friendly use of agricultural byproducts]]>
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