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The Effect of Phosphonates on the Corrosion of Carbon Steel in Heat-Supply Water |
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18.09.2008 г. |
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The Effect of Phosphonates on the Corrosion of Carbon Steel in Heat-Supply Water Yu. V. Balaban-Irmenin, A. M. Rubashov, and N. G. Fokina All-Russian Heat-Power Engineering Institute (OAO VTI), Moscow, Russia e-mail:
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Received August 19, 2004 Abstract — The effect of phosphonates used in Russian heat-power engineering on the corrosion of carbon steel in deaerated delivery water at 90°C is studied. It is shown that introduction of phosphonates reduces the susceptibility of steel to local corrosion. A zinc complex of hydroxyethylidenediphosphonic acid (OEDP–zinc) is the most effective inhibitor of the anodic reaction.
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