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Abstract

The development of electrolytic cells, specifically conceived for the production of large quantities of hydrogen at medium pressure is the main object of this contract and is based on a critical review of commercial cell geometry and a complete analysis and optimization of the various parameters, experimentally obtained, of importance for the performance of large scale electrolysers. The result of this analysis have determined our final choice of a circular shaped cell having bipolar electrodes. Important objectives of our research have been the study on mass transfer and gas generation at the electrodes, on gas - liquid flow pattern inside the cell, on the selection of separators and electrolyte. The basic parameters of our research were limited to a maximum temperature of 140 degrees C and a maximum pressure of 30 bar. The completion of these studies in small cell models was followed by the design and construction of a larger electrolyser of four cells, each having an electrodic surface of 0.1 m**2. The electrolyser was successfully operated and all the necessary data was collected. In addition, a pilot plant, incorporating all the process control and the essential services to the electrolyser was designed, constructed and successfully operated. A 50.00 Nm**3/h hydrogen unit was basically designed and the investments and operating cost analyzed.

Additional information

Authors: PANCLOR PANCLOR SPA, MILANO (ITALY), PANCLOR SPA, MILANO (ITALY)
Bibliographic Reference: EUR 7880 EN (1983) MF, 170 P., 7 PLANS, BFR 1080 - EUROFFICE, LUXEMBOURG, POB 1907
Availability: Can be ordered online
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