Investigation of Heat Extraction Methods from Cuprous Chloride for Improving the Efficiency of the Thermochemical Copper-Chlorine Cycle

Sukhpreet S. Manan 1, Ofelia A. Jianu 2 * , Marc A. Rosen 1

European Journal of Sustainable Development Research, Volume 3, Issue 1, Article No: em0075.

https://doi.org/10.20897/ejosdr/3976

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Abstract

In order to improve the efficiency of the thermochemical copper-chlorine cycle (Cu-Cl) for hydrogen production, a quench cell configuration for the quenching of cuprous chloride (CuCl) is being investigated. Initial testing has been performed in water to determine whether the molten cuprous chloride can be cooled enough to be quenched in hydrochloric acid (HCl (aq)). Quenching in HCl (aq) would reduce the number of components in the overall cycle, simplifying it and potentially making it more cost effective. A thermal camera was used to experimentally obtain the heat loss as the CuCl falls through the heat exchanger and into the quench cell. In addition, a FlowSense 2M shadow imaging camera was used to observe the behavior of the CuCl droplets interacting with the quench solution. It was observed that the CuCl droplet disintegrating into dust like particles as it enters the water pool and vapour was generated hence the temperature at the surface of the droplet as it entered the liquid water exceeded 100 °C.

Keywords

hydrogen production, copper chlorine cycle, quench cell, heat exchanger

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Manan SS, Jianu OA, Rosen MA. Investigation of Heat Extraction Methods from Cuprous Chloride for Improving the Efficiency of the Thermochemical Copper-Chlorine Cycle. European Journal of Sustainable Development Research. 2019;3(1):em0075. https://doi.org/10.20897/ejosdr/3976

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