Parametric Study on the Adsorption of Oil using NaOH-Treated and Untreated Sugarcane Bagasse as Bioadsorbents
Author : Monleon, Ian Carlo Ciocson
Major Adviser : Movillon, Jovita A.
Committee Members : Arocena, Rhebner E.; Valencia, Jeanne Michelle T.
Year : 2016
Month : December
Type : Thesis
Degree: BS
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Abstract
The increase in the concentration of used cooking oil in domestic and municipal wastewater is an emerging environmental problem. To help address this, a parametric study on the reduction of concentration of used cooking oil using bagasse was done using 2ᵏ factorial design. The effect of temperature (20 °C, 40 °C), adsorbent dosage (2 g, 4 g), and adsorption time (20 min, 60 min) on adsorption using treated and untreated bagasse was done by determining percent oil removal and adsorption capacity. The results of the experiment indicate that the highest percent oil removal (15.92%) was and the highest adsorption capacity (4.14 g oil/g adsorbent) were observed at 20 °C, 20 min using 4.0 g untreated bagasse. Based on ANOVA, temperature, adsorbent dosage, and type of adsorbent had significant effect on the percent oil removal, while only the temperature and type of adsorbent affected the adsorption capacity. The results of the isotherm experiment for both treated and untreated bagasse showed that the Freundlich isotherm (R² = 0.917 for treated, R² = 0.923 for untreated) best describes the adsorption of oil, indicating that the adsorption is mostly physisorption and multi-layer. The maximum adsorption capacity was found to be 4.53 and 1.87 g/g for untreated and NaOH-treated adsorbent, respectively.
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