Coating processes – Measuring – testing – or indicating
Patent
1996-02-14
1997-08-26
Pianalto, Bernard
Coating processes
Measuring, testing, or indicating
427239, 427435, 4274431, B05D 722
Patent
active
056608748
ABSTRACT:
Corrosion by water of mild steel pipe is inhibited by the controlled addition of NaHCO.sub.3 to the water (containing calcium ions) in sufficient amounts to induce corrosion and form scale. The scale deposits on the pipe at the corrosion sites form a protective film thereon. The addition of the NaHCO.sub.3 is controlled by the use of corrosion electrode probes placed in the pipe.
Cenegy Lawrence M.
Garcia, Jr. John G.
Pitochelli Anthony R.
Watson James D.
Graham R. L.
Nalco/Exxon Energy Chemicals L.P.
Pianalto Bernard
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