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    • Preparation of Magnetic Chitosan/Coffee Residue Composites and Their Application in Adsorption of Dyes 

      RIZKIANA, Meta Fitri; PALUPI, Bekti; SUSANTI, Ari; DARMAYANTI, Rizki Fitria; FACHRI, Boy Arief (International Conference on Climate Change and Sustainability Engineering in Asean, 2019-11-13)
      The excessive use of chemical substances has contributed to environmental pollution. Organic and inorganic wastes, as a result of rapid industrialization and urbanization, have led to an enormous water pollution problem. ...