In continuation of the research on sourcing for affordable, biodegradable and efficient adsorbents for dye in contaminated water, the present study was designed to investigate the adsorption efficiency of Musanga cecropioides wood saw dust for disperse yellow dye. Effects of adsorbent dosage, temperature, concentration of dye and period of contact were investigated using batch adsorption process. The results obtained indicated that the equilibrium amount of dye adsorbed were within the following ranges, 3.5313 to 39.1875, 9.03 to 23.06, 16.66 to 19.22 and from 16.72 to 18.47 mg/g with respect to concentration, adsorption dosage, period of contactand temperature respectively. The amount of dye adsorbed increases with adsorbent dosage but decreased with increase in temperature. The adsorption of the dye on the surface of the wood saw dust was spontaneous and obseyed the adsorption models of Langmuir, Freundlich, Javanovic, Redich-Peterson and Brouers-Sotolongo. FTIR study indicated that the major functional groups responsible for the adsorption of the dye were C-O and C=O functional groups, while other functional groups indicated the presence of interactions due to shift in frequencies. The study reveals that resource recovery practice from Musanga cecropioides wood saw dust can create an eco-friendly adsorbent for the purification of dye contaminated water.
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Author Name: Anduang Ofuo Odiongenyi
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Keywords: Water contamination, dye, remediation, adsorption, Musanga cecropioides wood saw du