Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1983-03-09
1984-09-18
Cintins, Ivars C.
Liquid purification or separation
Processes
Ion exchange or selective sorption
210754, 210763, C02F 176
Patent
active
044722818
ABSTRACT:
A method of removing contaminating impurities, particularly haloamines, from leisure pool water is disclosed and an apparatus therefor. Pool water containing haloamine contaminants is passed into an active carbon bed of high surface area that has been treated with a reagent, for example hypohalous acid, that will convert a portion of it into a surface oxide so that the carbon either reacts with or catalyses the breakdown of the haloamines. The hypohalous acid is conveniently generated in the pool water prior to passage of it through the active carbon.
REFERENCES:
patent: 2443429 (1948-06-01), Marks et al.
patent: 3733266 (1973-05-01), Bishop et al.
patent: 4131566 (1978-12-01), Murty
Derwent Abstract No. 53273B/29.
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