To produce sugar syrup waste biochar, the initial step involves collecting and thoroughly drying the sugar syrup waste to eliminate all moisture. Next, the dried waste is combined with sulfuric acid [30 ]. To create the biochar, the mixture is subsequently heated to approximately 400 ± 15 °C in an oxygen-free environment, like a pyrolysis reactor. The characteristics of biochar include: pH = 8.15; ECe (dS/m) = 5.05; Ash Content (%) = 30; Volatile Matter (%) = 20; Fixed carbon (%) = 50; Total Nitrogen (%) = 0.11; Total Phosphorus (%) = 0.49; Total Potassium (%) = 0.41; Surface area (m²/g) = 300 and CEC (meq./100 g) = 425.
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