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Published on: May 19, 2023
Optimization of methylene blue removal by stable emulsified liquid membrane using Plackett-Burman and Box-Behnken
Meriem Djenouhat1,2, Farida Bendebane1,3, Lynda Bahloul1,4
1LOMOP Research Laboratory, Badji Mokhtar University of Annaba, Annaba, Algeria.
Abstract:
The stability of an emulsified liquid membrane composed of Span80 as a surfactant, D2EHPA as an extractant and sulfuric acid as an internal phase was first studied according to different diluents and many operating parameters using the Plackett-Burman design of experiments. Then the removal of methylene blue from an aqueous solution has been carried out using this emulsified liquid membrane at its stability conditions. The effects of operating parameters were analysed from the Box-Behnken design of experiments. The optimization of the extraction has been realized applying the response surface methodology and the results showed that the dye extraction yielding 98.72% was achieved at optimized conditions.
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