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US 6,669,853 B2Granted
Composition for removing dissolved oxygen from a fluid
AssigneeAshland Inc.
InventorsKostan B. Charkhutian, Bruce L. Libutti, Frank L. M. De Cordt, Martti Samuli Ahomäki
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Abstract
This invention relates to compositions, which are useful in removing dissolved oxygen from a fluid stream, preferably an aqueous stream. The compositions comprise blend of an oxime and a primary hydroxylamine. This invention also relates to a process for removing oxygen from an aqueous system, which comprises adding an oxime and a primary hydroxylamine to a fluid system.
Claims11
A process for removing dissolved oxygen from an aqueous system comprising:
- adding a composition to said aqueous system comprising:
- (a) methyl ethyl ketoxime;
- and
- (b) a primary hydroxylamine,
- such that the weight ratio of (a) to (b) is from about 100:1 to about 1:10, in amount effective to remove dissolved oxygen from the aqueous system, whereby the process is carried out at ambient temperature.
2 more elements
Dependencies are inferred from the claim text.