Methods of reusing a cleaning solution
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United States of America Patent
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-
Nov 22, 2016
Grant Date -
Jan 30, 2014
app pub date -
Jul 25, 2013
filing date -
Jul 26, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An aqueous cleaning solution that has been previously used to remove deposits from a nuclear steam generator (or other vessel) is reused after being transferred from the steam generator into an external vessel. The spent cleaning solution may be reconditioned and reused in a further cleaning of the same steam generator or a different steam generator. The different cleanings being accomplished by the cleaning solution may be of the same type or different types (e.g., iron oxide removal and/or copper removal).
First Claim
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International Classification(s)
- G21F:PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, C....
- B08B:CLEANING IN GENERAL; PREVENTION OF FOULING IN GENE....
- F28G:CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-....
- C23G:CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CH....
- F22B:METHODS OF STEAM GENERATION; STEAM BOILERS
- C11D:DETERGENT COMPOSITIONS
- [Classification Symbol]
- [Patents Count]
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