Process for the production of liquid chlorine

Details Process for the production of liquid chlorine Process for the production of liquid chlorine

1980-05-02

1981-10-20

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25B 126

Patent

active

042959454

ABSTRACT:
In the electrolysis of an aqueous alkali metal chloride solution, a mixture of anolyte and steam-saturated gaseous chlorine is formed in the anode space of the electrolytic cell. According to the invention, the process is carried out under a pressure of at least 8 bars. For workup, the anolyte is at first separated from the steam-saturated gaseous chlorine which is then liquefied under a pressure of at least 8 bars by cooling. In the course of cooling there is obtained a condensate which consists of a liquid water-saturated chlorine phase and a liquid chlorine-saturated water phase. The temperature of said condensate is not to fall below 28.degree. C. during cooling. Finally, the light-weight water phase is separated from the chlorine phase having a heavier specific weight.

REFERENCES:
patent: 3052612 (1962-09-01), Henegar et al.
patent: 3410099 (1968-11-01), Hooker et al.
patent: 3954430 (1976-05-01), Curtis et al.
patent: 4086393 (1978-04-01), Hart

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