Innovation In The Development Of Biobriquette Binder Based On Cassava Peel Waste (Manihot Esculenta Crantz)

Abstract

One promising solution to the global energy crisis is the utilization of biomass waste as an alternative fuel in the form of biobriquettes. A critical factor influencing the quality of biobriquettes is the type of binder used. Inorganic and composite binders often present drawbacks such as high ash content, low calorific value, and elevated production costs. To address these issues, this study explores the use of cassava peel waste as an organic binder. Cassava peel contains approximately 20% starch by dry weight, which acts as a natural polymer with adhesive properties when hydrolyzed into dextrin. The binder preparation involves washing, drying, and sieving the cassava peel to extract starch, followed by hydrolysis using 15 mL of 1N hydrochloric acid (HCl) at 110°C for 10 minutes to produce dextrin. The resulting solution is mixed with casein, cold water (15°C), and triethanolamine, then heated to 60°C and stirred until homogeneous. The resulting binder demonstrates high viscosity and strong adhesion, making it suitable for biobriquette production. The biobriquettes produced with this binder exhibit higher density (0.99–1.01 g/cm³) compared to commercial biobriquettes (0.97 g/cm³), indicating improved compactness and uniformity, which are essential for enhancing fuel quality and performance.