Abstract
Abstract In this work we investigated the application of four fuel cell derived technologies for energy conservation in the chlor-alkali industry. They include: (1) H2-Cl2 fuel cell (HCLFC), (2) electrochemical concentrator (ECC), (3) alkaline H2-O2 fuel cell (AFC), and (4) air depolarized chlor-alkali cell (ADCAC). We have developed performance models for the various fuel cell derived systems and combined them with an economic model to predict the benefits of a particular technology to the chlor-alkali process. The results of a differential net present value economic analysis conducted for each of these technologies is presented and discussed. All the fuel cell derived technologies investigated exhibit potential for significant energy savings in the chlor-alkali industry. Our economic analysis indicates that the commercial attractiveness for the above technologies is in the order: CAC + HClFC > CAC + ECC > CAC + ECC + AFC > CAC + AFC > ADCAC. Increasing the lifetime of the gas diffusion electrodes and mi...
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