Browsing by Author "Ambarita, Lidia Sartika Br"

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    SINTESIS KOMPOSIT MnOx/ABU CANGKANG KELAPA SAWIT DENGAN VARIASI WAKTU KALSINASI DAN UJI AKTIVITAS KATALITIK UNTUK DEGRADASI METILEN BIRU
    (Elfitra, 2023-12) Ambarita, Lidia Sartika Br; Awaluddin, Amir
    The chemical industry is growing rapidly along with the increase in world population. The waste produced by this industry is the main cause of environmental pollution. One of the dyes that is difficult to degrade which has an aromatic compound group is methylene blue dye. One method that can be used to degrade methylene blue using a catalyst is the Fenton-like method. This research aims to synthesize the MnOx/ACKS composite using a one-step sol gel method, the synthesis is carried out by reacting KMnO4, glucose, and ACKS. The MnOx/ACKS composite was characterized using X-Ray Diffaraction (XRD). The XRD characterization results show that the MnO2 type in the MnOx/ACKS 1 Hour composite contains a mixed phase of cryptomelane, manganosite, birnessite and hausmanite. Degradation of methylene blue at a concentration of 5 mL H2O2, 25 mg composite, and 12.5 ppm methylene blue, was able to degrade methylene blue by 77.71% within 120 minutes.