Use of persulfate to destroy haloform
AssigneeFMC Corporation
InventorsRobert H. Tieckelmann, Dean S. Thorp, deceased, by Colleen Gagliardi, executor, Gale D. Downey
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Abstract
An alkali metal peroxydisulfate or caroate can be used alone or in combination to destroy haloform present in an aqueous system. The destruction results in a reduction in the amount of haloform in the system. In another aspect, uv light and the peroxydisulfate and/or caroate can be used together to destroy the haloform present in the aqueous system.
Claims13
A method for destroying a haloform, the method comprising dosing an aqueous system containing at least 2 ppm of a haloform selected from the group consisting of chloroform, bromoform, and combinations thereof with at least 5 ppm of a persulfate selected from the group consisting of caroates, dipersulfates, and combinations thereof.
A method for destroying a haloform, the method comprising dosing an aqueous system containing at least 2 ppm of a haloform selected from the group consisting of chloroform, bromoform, and combinations thereof with at least 5 ppm of a reagent consisting essentially of a persulfate selected from the group consisting of caroates, dipersulfates, and combinations thereof.
Dependencies are inferred from the claim text.