Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1984-01-13
1985-02-19
Cintins, Ivars
Liquid purification or separation
Processes
Ion exchange or selective sorption
C02F 900
Patent
active
045004331
ABSTRACT:
A method of removing salts of the alkali earth metal group from water is provided wherein water is supplied at a controlled flow to a pair of serially connected five-micron prefilters which remove contaminants and reduce the flow rate. The effluent is then passed through at least twelve parallel connected activated charcoal filter units where the flow is reduced to approximately 0.5 g.p.m. allowing additional time for the alkali salt to be adsorbed in the charcoal.
REFERENCES:
patent: 3056499 (1962-10-01), Liddell
patent: 4049548 (1977-09-01), Dickerson
patent: 4196081 (1980-04-01), Pavia
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