Ultrapure water producing system

Details Ultrapure water producing system Ultrapure water producing system

1990-04-30

1992-06-23

Bascomb, Jr., Wilbur

Liquid purification or separation

With heater or heat exchanger

Flow line connected in series with distinct separator

210182, 2102571, 2102572, 210259, 210266, 210900, 55 54, B01D 3518

Patent

active

051240335

ABSTRACT:
This disclosure relates to an ultrapure water producing system having a primary ultrapure water system including a pretreatment process into which raw water is fed, and a primary ultrapure water device connected to the outlet of the pretreatment process. A reservoir is connected to the outlet of the primary ultrapure water device. A secondary ultrapure water system includes a pump having an inlet connected to the reservoir, a polisher connected to the outlet of the pump, and first use point connected to the outlet of the polisher and to the reservoir. A branch line is connected to the outlet of the polisher and has a heating and deaerating part connected thereto, and a high-temperature second use point is connected to the outlet of the heating and deaerating part.

REFERENCES:
patent: 1401101 (1921-12-01), Ehrhart
patent: 2500774 (1950-03-01), Sebald
patent: 3276458 (1966-10-01), Iversen et al.
patent: 3458972 (1969-08-01), Sood
patent: 3870033 (1975-03-01), Faylor et al.
patent: 4636266 (1987-01-01), Asay
patent: 4653684 (1987-03-01), Saito et al.
patent: 4696718 (1987-09-01), Lasater
patent: 4776897 (1988-10-01), Takahashi et al.
patent: 4784763 (1988-11-01), Hambleton et al.

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