Method and apparatus for making hydrochloric acid and sodium hyd

Details Method and apparatus for making hydrochloric acid and sodium hyd Method and apparatus for making hydrochloric acid and sodium hyd

1986-01-10

1988-06-07

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204103, 204128, 204129, 204DIG4, 423487, 429 13, 429 15, 429199, 429200, C25B 114

Patent

active

047494530

ABSTRACT:
By combining the manufacture of sodium hydroxide and hydrochloric acid, and by using a fuel cell to optimize the energy consumption, the energy efficiency of the manufacture of NaOH and HCl can be improved by at least about 33%. Electrical energy produced in a hydrogen chloride fuel cell is used to assist the electrolysis reaction for making sodium hydroxide, thereby achieving a marked increase in the overall manufacturing efficiency.

REFERENCES:
patent: 4246078 (1981-01-01), Broniewski
patent: 4268366 (1981-05-01), Broniewski
patent: 4299673 (1981-11-01), Broniewski
patent: 4305793 (1981-12-01), Broniewski
patent: 4380575 (1983-04-01), Nakamura et al.
patent: 4502928 (1985-03-01), Umetani et al.
patent: 4534833 (1985-08-01), Carr et al.

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