Apparatus for preparing high-concentration alkali

Details Apparatus for preparing high-concentration alkali Apparatus for preparing high-concentration alkali

1988-06-02

1990-05-22

Manoharan, Virginia

Concentrating evaporators

Superheating and pressure release

159901, 159DIG34, 159DIG42, 202268, 203 88, 203DIG14, B01D 100, B01D 300

Patent

active

049274945

ABSTRACT:
A high pressure evaporation vessel which is operated at a predeterminate pressure above atmospheric pressure, is connected to a low pressure expansion vessel which is operated at a predeterminate pressure below the pressure prevailing in the high pressure evaporation vessel, through a U-shaped siphon tube. The U-shaped siphon tube contains a liquid column absorbing the pressure difference existing between the high pressure evaporation vessel and the low pressure expansion vessel.

REFERENCES:
patent: 3467162 (1969-09-01), Putnam
patent: 3558436 (1971-01-01), Foley et al.
patent: 3630262 (1971-12-01), Macek
patent: 3830706 (1974-08-01), Kogan
patent: 3833480 (1974-09-01), Bidard
patent: 3907629 (1975-09-01), Machida et al.
patent: 4062734 (1977-12-01), Pagani
patent: 4170514 (1979-10-01), Pagani

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