SUMMARY AULIA RIZKI RAMADHANTI, NIM.2110246982. SYNTHESIS AND CHARACTERIZATION OF MANGANESE OXIDE-MAGNETITE (Fe3O4) COMPOSITE FOR METHYLENE BLUE DEGRADATION, dibimbing oleh Prof. Dr. Amir Awaluddin, M.Sc., Dr. Nurhayati, M.Sc. Methylene blue (MB) is a cationic dye commonly used in the textile and printing industries. This compound is toxic, difficult to decompose, and can cause health problem…