Fmc Corporation

Gale D Downey

Charles Elwood Jones

Robert H Tieckelmann

Charles W Lutz

Dean S Thorp, Deceased

By Colleen Gagliardi, Executor

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.

Use of persulfate to destroy haloform

A stable, homogeneous, aqueous detergent slurry is described containing an amphoteric surface-active agent. The slurry contains about 14 weight percent to 30 weight percent of a sodium polyphosphate, about 1 weight percent to 5 weight percent of an alkali metal hydroxide or alkali metal salt, a soluble anionic surface-active agent, about 0.5 to 5 weight percent of an amphoteric surface-active agent which is selected from the group consisting of N-coco .beta.-amino propionic acid; N-lauryl-, myristyl .beta.-amino propionic acid; disodium N-tallow .beta.-iminodipropionate; N-coco .beta.-amino butyric acid; and coco betaine, wherein sodium polyphosphate is present as insoluble particles having an average diameter of about 1 to about 10 microns, and the total amount of surface-active agents are from 13 weight percent to 20 weight percent.

Homogeneous laundry detergent slurries containing amphoteric

A stable, homogeneous, aqueous detergent slurry is described containing nonionic surface-active agents. The slurry contains about 14 weight percent to 30 weight percent of a sodium polyphoshate, about 1 weight percent to 5 weight percent of an alkali metal hydroxide or alkali metal salt, a soluble anionic surface-active agent, a soluble nonionic surface-active agent which is an alcohol alkoxylate having an HLB value of 4 to 9, wherein sodium polyphosphate is present as insoluble particles having an average diameter of about 1 to about 10 microns, the anionic and nonionic surface-active agents are present in a weight ratio of about 6.7:1 to 1.35:1, and the total amount of surface-active agents are from 13 weight percent to 20 weight percent.

Homogeneous laundry detergent slurries containing nonionic

Nitrogen oxides are removed from gaseous mixtures by treatment with an aqueous solution of nitric acid having a concentration by weight from about 35% to about 58% and containing by weight at least 0.001% but less than 25% of hydrogen peroxide whereby the nitrogen oxides are converted to nitric acid.

Process of removing nitrogen oxides from gaseous mixtures

4Na.sub.2 SO.sub.4.2H.sub.2 O.sub.2.NaCl, having improved alkaline stability, is produced by crystallizing it in the presence of a stabilizing quantity of a soluble, organic polyphosphonate which is taken up in the crystalline structure of the compound. The stabilized product is useful as a peroxygen bleaching agent in alkaline bleach systems.

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Pennington, NJ, United States of America

Gale D Downey