Distillation flask and apparatus for producing high-purity water

Details Distillation flask and apparatus for producing high-purity water Distillation flask and apparatus for producing high-purity water

1978-02-23

1980-11-25

Bascomb, Jr., Wilbur L.

Distillation: apparatus

Apparatus

Systems

202200, 202202, 55522, 137251, 137395, 137577, 203 10, 203 86, 203DIG2, 203DIG25, 222188, C02B 104

Patent

active

042356776

ABSTRACT:
An apparatus for the continuous production of high-purity water includes a distillation flask, a carboy and a condenser unit, all of borosilicate glass. A respective filter, preferably in the form of a polytetrafluoroethylene sheet, is provided between the ambient atmosphere and the interiors of the flask, the carboy and the condenser unit to remove airborne bacteria and dust particles. An inlet valve is provided for feeding water to be purified into the flask, all water-contacting parts of this valve being of polytetrafluoroethylene. The open parts are interconnected with flexible, polytetrafluoroethylene tubing. A two-way, stopcock allows high-purity water to be removed from the carboy. The flask is provided with a glass overflow trap. In one variant, the water is fed into the flask via members between the trap and the flask. In a preferred variant, the water is fed into the flask via a separate inlet and allowed to flow out through the overflow trap, thereby allowing precipitate to be constantly washed out of the flask.

REFERENCES:
patent: 3340157 (1967-09-01), Weiss
patent: 3403980 (1968-10-01), Litterio
patent: 3696003 (1972-10-01), Fitch et al.
patent: 3849260 (1974-11-01), Ruckstuhl
patent: 3907683 (1973-10-01), Gilmont
patent: 4089749 (1978-05-01), Karamian
patent: 4113571 (1978-09-01), Nygards

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