Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1986-04-04
1987-04-14
Valentine, Donald R.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204266, 204277, 204278, 204283, 204284, 204294, 429 25, C25B 900, C25B 1103, C25B 1112
Patent
active
046576517
ABSTRACT:
An apparatus, used in operation of electrolytic cells, to balance the interface pressure between liquid electrolyte and gas within the pores of a vertically disposed gas electrode. An electrode is sectioned into a plurality of lateral, or horizontal, gas compartments, vertically superposed, along one face of the electrode. The opposite face of the electrode is exposed to the liquid electrolyte. Each lateral compartment is supplied with gas. Each lateral compartment is also connected, via a separate gas line, to the bottom of a separate vertical chamber in a weir system. Each chamber has a vertical height equal to the depth of its respective cell compartment beneath the surface of the liquid electrolyte. The top of each weir chamber is provided with an overflow weir. Further, the chambers are arranged so that the overflow weir of each chamber flows into the next chamber, in order of decreasing vertical height. Gas is allowed to escape each lateral electrode compartment into a weir chamber. The weir chambers may be filled with the same type of liquid electrolyte that is contained in the cell. The gas will encounter the head pressure of the liquid contained in each chamber. Therefore, the gas will be back-pressured into each lateral electrode compartment at a pressure equal to the head pressure exerted by the liquid electrolyte in the cell at that compartment, thereby balancing the interface pressure.
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The Dow Chemical Company
Valentine Donald R.
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