A sustainable bioeconomy is a key component to addressing the issues associated with increasing energy demand, the availability of natural resources, rising fuel costs, and the environmental impacts associated with fossil fuel combustion. The transition towards a bio-based economy is reliant on both the availability of biomass, which is particularly versatile because it is the only form of renewable energy that can serve as a liquid-based transportation fuel or be used in the manufacturing of chemicals and polymer, and the advancement of technology in regard to technical performance and cost effectiveness. In particular, separations are often a major limitation of biofuel and bioproduct development and implementation because separations typically account for 60-80% of the total bioprocessing costs. In comparison to other technologies, electrochemical separations offer competitive advantages for the recovery of bio-based fuel and chemical precursors, namely organic acids, via selective extraction. Industrial electrodeionization (EDI), which is often used for ultrapure water production, is a hybrid technology that combines electrodialysis (ED) and ion-exchange (IX) technologies into a single unit operation and uses in-situ adsorption/desorption mechanisms. For the adaptation of EDI technology to bioprocessing applications, process design and optimization were systematically investigated via adsorption material (IX resin beads) screening and experimental evaluation. Molecular simulations and modeling were used to determine the key interactions between adsorbent material functional groups and target organic and inorganic molecules. Diffusion coefficients and binding energies of target molecules in IX resins were determined computationally and correlated to separations performance. This presentation will focus on EDI for bioprocessing applications, including both experimental characterization and computational simulation of adsorbent material properties.

Design and optimization of electrochemical processes for bioprocessing applications

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.