Acetic Acid Dehydration by PV
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Acetic acid is an important organic chemical used in a wide range of applications worldwide. Among others, it is used as a raw material in the synthesis of vinyl acetate monomer (VAM) for the production of a wide variety of polymers. These include polyvinyl acetate, polyvinyl alcohol, polyacetals, and ethylene vinyl acetate copolymers (Minardi et al. 2002). A regular distillation process to dewater acetic acid is known to be energy intensive and to incur high operational costs. Since the separation of acetic acid from water using distillation is far from being the best process, any cost-efficient method to dehydrate acetic acid is in demand. Among these alternative methods, pervaporation has been suggested as a promising solution to separate acetic acid aqueous solutions (Alghezawi et al. 2005; Durmaz-Hilmioglu et al. 2001; Huang et al. 1988). Pervaporation is a membrane-based process that can be potentially applied to purify acetic acid (i.e., via acetic acid dehydration). It...
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