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Vol. 25 No. 11 (2013): Vol 25 Issue 11

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Effect of Ultrasonic Treatment on the Solubility of Sodium Sulphate Using Response Surface Methodology

https://doi.org/10.14233/ajchem.2013.14331
Hui Li
Key Laboratory of Jiangxi Province for Persistant Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, P.R. China ; School of Environment and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, P.R. China
Guisheng Zeng
Key Laboratory of Jiangxi Province for Persistant Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, P.R. China ; School of Environment and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, P.R. China
Xinman Tu
Key Laboratory of Jiangxi Province for Persistant Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, P.R. China ; School of Environment and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, P.R. China

Corresponding Author(s) : Guisheng Zeng

zengguisheng@hotmail.com; 594271184@qq.com

Asian Journal of Chemistry, Vol. 25 No. 11 (2013): Vol 25 Issue 11

Abstract

The effect of ultrasonic treatment on the solubility of sodium sulphate was investigated in this study. The influence of several single-factor experiments including temperature, ultrasonic time, ultrasonic power and rotation rate on the solubility of sodium sulphate was carried out. Response surface methodology (RSM), based on a three level, three variable central composite design (BBD), was employed to obtain the best possible combination of temperature (X1), ultrasonic time (X2) and ultrasonic power (X3) for maximum solubility according to the results from single-factor experiment. The 3-D response surface plot and the contour plot was derived from the mathematical models. The results also showed that the best conditions to attain the maximum solubility are met when temperature was 35 ºC, time was 20 min, power was 140 w. Under this condition, the experimental yield was 52.6321 g, which was well matched with the predictive yield.

Keywords

Sodium sulphate Crystallization Ultrasonic wave Response surface methodology Solubility
Li, H., Zeng, G., & Tu, X. (2013). Effect of Ultrasonic Treatment on the Solubility of Sodium Sulphate Using Response Surface Methodology. Asian Journal of Chemistry, 25(11), 6222–6226. https://doi.org/10.14233/ajchem.2013.14331
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