Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1974-11-25
1976-05-04
Andrews, R. L.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204129, 204272, 204DIG9, C25B 904, C25B 1102, C25B 1502, C25B 104
Patent
active
039545920
ABSTRACT:
A novel electrolytic cell performs an electrolysis process at improved efficiencies by supplying a pulsed DC current to the electrodes thereof. In preferred embodiment a generally cylindrical anode with a fluted outer surface is surrounded by a segmented cathode having an active area equal to the active area of the anode. An electrolyte, which may be a 25 percent solution of potassium hydroxide is introduced into the cell for production of hydrogen and oxygen at the cathode and anode respectively. The current for carrying on the electrolysis process is provided by a transformer which is preferably located within an oil filled chamber inside the anode. Heat from this transformer and a magnetic field also created thereby both have a beneficial effect upon the reaction rates. The pulsing of the electrode current may in one embodiment be carried out at a rate of between 5,000 and 40,000 pulses per minute, with a rate of about 10,000 pulses per minute being preferred. In such an arrangement the current level may be about 220 amps at a duty cycle of about 0.006 and the electrode voltage may be about 3 volts. Thus there are produced very short, sharp pulses which have been found to be very effective in the production of reaction products. Appropriate circuitry is disclosed for providing a driving signal to the transformer, as well as an arrangement for safely taking off the reaction products and stopping the process upon sensing of a predetermined internal pressure.
REFERENCES:
patent: 2016442 (1935-10-01), Kilgus
patent: 3262872 (1966-07-01), Rhodes et al.
patent: 3433729 (1969-03-01), Proskuryakov et al.
patent: 3616434 (1971-10-01), Hausner
patent: 3758399 (1973-09-01), Pendergrass
Andrews R. L.
Beeston Company Limited
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