
Keywords: Coagulated sludge; Black liquor; Methylene blue; Peat water; Landfill leachate; Adsorption; BBLS-CA; bioethanol black liquor sludge-based carbonaceous adsorbent; BET; Brunner-Emmett-Teller; FT-IR; Fourier transform infrared; MB; methylene blue; PACl;