Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 41459-42-1, Name is 3-Bromo-2-(bromomethyl)propanoic acid, molecular formula is C4H6Br2O2. In an article, author is Sajjad, Zabia,once mentioned of 41459-42-1, Category: bromides-buliding-blocks.
Development of novel hydrophilic ionic liquid membranes for the recovery of biobutanol through pervaporation
This paper aims to develop novel hydrophilic ionic liquid membranes using pervaporation for the recovery of biobutanol. Multiple polyvinyl alcohol (PVA) membranes based on three commercial ionic liquids with different loading were prepared for various experimental trials. The ionic liquids selected for the study include tributyl (tetradecyl) phosphonium chloride ([TBTDP] [Cl]), tetrabutyl phosphonium bromide ([TBP] [Br]) and tributyl methyl phosphonium methylsulphate ([TBMP] [MS]). The synthesized membranes were characterized and tested in a custom-built pervaporation set-up. All ionic liquid membranes showed better results with total flux of 1.58 kg/m(2)h, 1.43 kg/m(2)h, 1.38 kg/m(2)h at 30% loading of [TBP] [Br], [TBMP] [MS] and [TBTDP] [Cl] respectively. The comparison of ionic liquid membranes revealed that by incorporating [TBMP]MS to PVA matrix resulted in a maximum separation factor of 147 at 30 wt% loading combined with a relatively higher total flux of 1.43 kg/m(2)h. Density functional theory (DFT) calculations were also carried out to evaluate the experimental observations along with theoretical studies. The improved permeation properties make these phosphonium based ionic liquid a promising additive in PVA matrix for butanol-water separation under varying temperature conditions.
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