Process for inhibiting corrosion of vapor/condensed water system
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United States of America Patent
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-
Jun 25, 1991
Grant Date -
N/A
app pub date -
Jan 23, 1990
filing date -
Feb 9, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An anticorrosive for vapor/condensed water systems, which comprises at least one aminodiol represented by the following general formula: ##STR1## (in which R.sub.1, R.sub.2 and R.sub.3 each represents --H, --CH.sub.3, --C.sub.2 H.sub.5 or C.sub.3 H.sub.7 ; and n represents an integer of 0 to 2) and the process for inhibiting the corrosion of vapor/condensed water systems, which comprises at least one aminodiol as mentioned above to a boiler feed water at the concentration of 0.1 to 500 mg/l. The aminodiol, when added to feed water, migrates into condensed water in large quantities and inhibits the corrosion of piping systems and boilers in highly effective manner.
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