Distillation: apparatus – Apparatus – Systems
Patent
1985-10-29
1987-08-11
Bashore, S. Leon
Distillation: apparatus
Apparatus
Systems
202180, 202181, 202196, 202197, 202200, 202205, 202235, 202185R, 203 1, 203 4, 203 11, 203 40, 203 91, 203100, 203DIG9, 159DIG2, 159DIG16, 55 36, B01D 310
Patent
active
046860096
ABSTRACT:
A vacuum distillation system uses a tower having an open bottom submerged within a tank of solution exposed to atmospheric pressure. The solution within the tower is elevated to barometric level by a high vacuum or low absolute pressure on the tower top. As solution flows through the open bottom and upward, the solution is heated and then cooled to cause degasification and precipitation, and then withdrawn from the tower top. The treated solution is flowed to a vaporization chamber that is subjected to a low absolute pressure. A heater maintains the solution at a selected chamber temperature above the boiling point of water at the selected chamber pressure. The chamber pressure and temperature may be selected as desired to yield the purest water distillate for almost any solution of water and impurities. Water vapor is pumped from the vaporization chamber by a vapor pump to a condenser, where condensation results from increased pressure and decreased temperature. The distillate water is removed from the condenser by a pump to a storage tank. The storage tank is also maintained under vacuum to keep the water gas free.
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patent: 4326923 (1982-04-01), Martenson
patent: 4427495 (1984-01-01), Masero
patent: 4444623 (1984-04-01), Youngner
Bashore S. Leon
Coffee Wendell
Laney James W.
Manoharan V.
Smith Montgomery W.
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