Water treatment method

A method for treating water in a closed cooling system, having a pH of at least 7 and a temperature of at least 25°C, by adding a composition comprising 2-methyl-4-isothiazolin-3-one; wherein the composition is substantially free of nonaqueous solvents, volatile organic compounds and halogenated bio...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	WILLIAMS, TERRY MICHAEL
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY FISHING FORESTRY HUMAN NECESSITIES HUNTING METALLURGY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	A method for treating water in a closed cooling system, having a pH of at least 7 and a temperature of at least 25°C, by adding a composition comprising 2-methyl-4-isothiazolin-3-one; wherein the composition is substantially free of nonaqueous solvents, volatile organic compounds and halogenated biocides; and wherein 2-methyl-4-isothiazolin-3-one is present in an amount sufficient to produce in the water a 2-methyl-4-isothiazolin-3-one concentration from 15 ppm to 500 ppm.