Corrosion product chemical dissolution process
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United States of America Patent
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Nov 26, 2013
Grant Date -
May 26, 2011
app pub date -
Nov 25, 2009
filing date -
Nov 25, 2009
priority date (Note) -
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Abstract
A method for removing corrosion products from a system, the method including: adjusting the system temperature to between 115° F. to 212° F.; injecting a cleaning dissolution solvent into the system; injecting a gas into the system after the system is filled with the cleaning dissolution solvent; the gas mixing with the solvent in the system; draining the solvent from the system after a predetermined period of time of dissolution; injecting a passivation composition into the system; injecting a gas into the system, the gas mixing the passivation composition; draining the system of the composition after a predetermined period of time of passivation; rinsing the system with a low volume solution; and rinsing the system at with a full volume solution.
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