Dehydration Pervaporation of Ethyl Acetate-Water Mixture via Sago/PVA Composite Membranes Using Surface Methodology

https://doi.org/10.23939/chcht09.04.479
Received: December 30, 2014
Revised: February 10, 2015
Accepted: April 27, 2015
Authors: 

Abdulhakim Alamaria and Ghazali Nawawi

Faculty of Chemical Engineering, Malaysia University of Technology, 81300 Skudai, Johor, Malaysia Centre of Lipid Engineering and Applied Research, Malaysia University of Technology, 81310 UTM Johor Bahru, Johor, Malaysia; hakim792016@gmail.com

In the present study hydrophilic sago/polyvinyl alcohol (PVA) blend membranes were used for pervaporation of ethyl acetate-water mixture. The effects of feed concentration, temperature and permeate pressure on the separation factor and permeation flux were studied by using response surface methodology (RSM). The central composite design (CCD) was used to design the experiment and analyze pervaporation performance of homogenous sago/PVA membranes and also to obtain process optimum conditions. It was observed that the permeation flux and selectivity were changed by feed temperature and concentration more than the permeate pressure. The validity of the model was confirmed by the experiments.

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