Thermochemical Heat Storage Performance in the Gas-Liquid-Solid Reactions of SrCl2 with NH3Report as inadecuate




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Thermochemical heat storage is a promising technology for improving energy efficiency through the utilization of low-grade waste heat. The formation of a SrCl2 ammine complex was selected as the reaction system for the purpose of this study. Discharge characteristics were evaluated in a packed bed reactor for both the gas-solid reaction and the liquid-solid reaction. The average power of the gas-solid reaction was influenced by the pressure of the supplied ammonia gas, with greater powers being recorded at higher ammonia pressure. For the liquid-solid reaction, the obtained average power was comparable to that obtained for the gas-solid reaction at 0.2 MPa. Moreover, the lower heat transfer resistance in the reactor was observed, which was likely caused by the presence of liquid ammonia in the system. Finally, the short-term durability of the liquid-solid reaction system was demonstrated over 10 stable charge-discharge cycles.

KEYWORDS

Thermochemical Heat Storage, SrCl2 Ammine Complex Formation, Gas-Liquid-Solid Reaction

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Kuwata, K. , Masuda, S. , Kobayashi, N. , Fuse, T. and Okamura, T. 2016 Thermochemical Heat Storage Performance in the Gas-Liquid-Solid Reactions of SrCl2 with NH3. Natural Resources, 7, 655-665. doi: 10.4236-nr.2016.711052.





Author: Kazuki Kuwata1, Soichirou Masuda1, Noriyuki Kobayashi1*, Takuya Fuse2, Toru Okamura2

Source: http://www.scirp.org/



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