Method and system for detecting corrosion of an insulated corrosion prone object
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United States of America Patent
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Feb 23, 2016
Grant Date -
Aug 29, 2013
app pub date -
Nov 9, 2011
filing date -
Nov 9, 2010
priority date (Note) -
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Abstract
Corrosion Under Insulation (CUI) of an insulated iron or other corrosion prone object (1) is detected by taking a sample (8) of the pore fluid from the pores of a permeable insulation layer (2) that covers at least part of the object (1) and analyzing the composition of the sample (8) on the presence of any tracer fluid, such as phospines, mercaptans, alcohols, acids, ketones and/or aldehydes emitted or acetic acid and/or butoxyethanol absorbed by any corrosion of the corrosion prone object (1) by a tracer fluid detection sensor (6).
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