This dataset deals with the modification of granular activated carbon (GAC) with FeCl 3 under basic conditions (pH ≈ 12) for removal of aluminium (Al) from aqueous solution. The structural properties and operational parameters including Al ion concentration (2.15 and 10.3?mg/L), pH solution (2–10), adsorbent dosage (0.1–5?g/L), and contact time (0–10?h) was investigated for raw and modified GAC. This dataset provides information about Al removal by GAC and modified GAC at conditions including: pH = 8, contact time = 6?h, initial Al concentration = 2.15?mg/L. The characterization data of the adsorbents was analysed by Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM) and Brunauer, Emmett and Teller (BET) test. The data showed that Freundlich isotherm with and Pseudo second order kinetic model were the best models for describing the Al adsorption reactions. The acquired data indicated that the maximum adsorption capacity of GAC and modified GAC to uptake Al ( C 0 = 10.3?mg/L) was 3 and 4.37?mg/g respectively.
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