Method of producing ultrapure, pyrogen-free water

Details Method of producing ultrapure, pyrogen-free water Method of producing ultrapure, pyrogen-free water

1984-07-25

1985-10-22

Cintins, Ivars

Liquid purification or separation

Processes

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

210668, 210669, 210760, 210900, C02F 142, C02F 178

Patent

active

045487162

ABSTRACT:
A method of producing ultrapore, pyrogen-free water comprising providing a source of water, filtering the water to remove suspended solids and organics, deionizing the water to remove dissolved solids, and introducing substantially pure ozone into the deionized water at a concentration of at least two milligrams of ozone per liter of deionized water to thereby produce ultrapure, pyrogen-free water.

REFERENCES:
patent: 799605 (1905-09-01), Lester
patent: 2889275 (1959-06-01), Moore
patent: 3276458 (1966-10-01), Iversen et al.
patent: 3870033 (1975-03-01), Faylor et al.
patent: 4069153 (1978-01-01), Gunther
patent: 4160727 (1979-07-01), Harris
patent: 4172786 (1979-10-01), Humphrey et al.
patent: 4230571 (1980-10-01), Dadd
patent: 4256574 (1981-03-01), Bhargava
patent: 4273660 (1981-06-01), Beitzel
patent: 4280912 (1981-07-01), Berry et al.

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