Based on the experimental results of a solar chemical pilot plant for the production of zinc by carbothermal reduction of ZnO, we performed a conceptual design of a demonstration plant and of a commercial plant. Zinc can be used as a fuel for zinc-air batteries and fuel cells, or it can be reacted with water to form high-purity hydrogen. In either case, the chemical product is ZnO, which in turn is solar recycled to zinc. The proposed thermochemical process provides an energy efficient route for the conversion, storage, and transportation of solar energy in the form of solar fuels.
Towards the Industrial Solar Carbothermal Production of Zinc
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Epstein, M., Olalde, G., Santén, S., Steinfeld, A., and Wieckert, C. (January 7, 2008). "Towards the Industrial Solar Carbothermal Production of Zinc." ASME. J. Sol. Energy Eng. February 2008; 130(1): 014505. https://doi.org/10.1115/1.2807214
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