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Please use this identifier to cite or link to this item: http://arks.princeton.edu/ark:/88435/dsp01kp78gj83w
Title: Hydroxyhexafluoroisopropylnorbornene-Butylnorbornene Block and Random Copolymer Membranes For the Pervaporation of Alcohol Biofuels
Authors: Das, Bristee Banu
Advisors: Register, Richard A.
Department: Chemical and Biological Engineering
Class Year: 2016
Abstract: Block and random copolymers derived from norbornene monomers bearing hydroxyhexafluoroisopropyl and n-butyl substituents (HFANB and BuNB) and synthesized via living vinyl addition polymerization were previously shown to be successful for the recovery of n-butanol from a 1 wt.% aqueous solution when used as the selective layer of thin-film composite (TFC) pervaporation membranes. In this thesis, I investigated the application of these copolymer membranes towards the pervaporation of other binary and quaternary biofuel alcohol-water mixtures, e.g., isobutanol, ethanol, and acetone-butanol-ethanol at a variety of organic feed concentrations. Membranes were found to be most successful for the separation of n-butanol. Furthermore, membrane pervaporation performance was found to be comparable to that of commercial PDMS membranes across all alcohol types, thus proving the potential for high-Tg norbornene copolymers as next-generation pervaporation membranes.
Extent: 63 pages
URI: http://arks.princeton.edu/ark:/88435/dsp01kp78gj83w
Type of Material: Princeton University Senior Theses
Language: en_US
Appears in Collections:Chemical and Biological Engineering, 1931-2016

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