Liquid purification or separation – Processes – Chemical treatment
Patent
1986-11-19
1988-10-25
Gron, Teddy S.
Liquid purification or separation
Processes
Chemical treatment
210759, 210764, 210169, 25218621, 25218643, 25218724, 25218727, 25218728, 25218729, 2521873, 424130, C02F 176, C01B 1106
Patent
active
047802162
ABSTRACT:
A sanitizing composition consisting essentially of a mixture of a calcium hypochlorite compound and a peroxydisulfate compound having the formula: M.sub.x S.sub.2 O.sub.8 where M is an alkali metal or alkaline earth metal, and x is 1 or 2 is employed in treating water to improve pH control and provide increased removal of organic materials.
The compositions provide improved sanitation of water in swimming pools, spas, and cooling towers by efficiently oxidizing organic impurities while helping to minimize the increase in the pH of the water. This permits a reduction in the amount and frequency of addition of acidic compounds such as hydrochloric acid to the water bodies. Further, the incorporation of additives such as algaecides, dispersants, and clarifying agents provides for significant improvements in water quality as evidenced by sparkling pure water.
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patent: 3702398 (1972-11-01), Zsoldos et al.
patent: 4005031 (1977-01-01), Surmatis
patent: 4492618 (1985-01-01), Eder
patent: 4532063 (1985-07-01), Gueldenzopf
patent: 4698124 (1987-10-01), Krulik
Caress Virginia B.
Gron Teddy S.
Haglind James B.
Olin Corporation
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