Method and apparatus for producing ultrapure water

Details Method and apparatus for producing ultrapure water Method and apparatus for producing ultrapure water

1981-03-09

1984-02-07

Therkorn, Ernest G.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210650, 210652, 210669, 210673, 210686, 210694, 210259, 210282, 210287, 210295, 2104332, 203 10, 203 39, 203 41, 159DIG23, 202176, 202182, C02F 142, C02F 104, C02F 144

Patent

active

044302266

ABSTRACT:
A water treatment cartridge and method for producing ultrapure water is described. The cartridge comprises a container having therein a particulate admixture of activated carbon and mixed bed ion exchange resins. A source of water, preferably pretreated, is passed through the container, preferably following treatment by one or more cartridges containing mixed bed ion exchange resins. The carbon in the admixed cartridge removes residual organic contamination from the water and the resins remove ionic contamination from the carbon, without re-introducing organic material to the water.

REFERENCES:
patent: 2744840 (1956-05-01), Daniels
patent: 2758968 (1956-08-01), Williams
patent: 3194683 (1965-07-01), Grosvenor
patent: 3444079 (1969-05-01), Bowers
patent: 3639231 (1972-02-01), Bresla
patent: 3985648 (1976-10-01), Casolo
patent: 4118317 (1978-10-01), Neeb
patent: 4154704 (1979-05-01), Vinton
patent: 4161445 (1979-07-01), Coillet
patent: 4184893 (1980-01-01), Halvorson
patent: 4187120 (1980-02-01), Kunin et al.
Hackh's Chemical Dictionary, McGraw-Hill, New York 1969, p. 15.

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