Polyphosphoric acid as a scale and corrosion inhibitor

The instant invention is directed to a process for the inhibition of scale and corrosion formation in an aqueous system, comprising adding to the system about 0.1 to 100 ppm, by weight based on the total aqueous content of said system, of 103 to 115% polyphosphoric acid, or neutral salts thereof.

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Bibliographische Detailangaben
Hauptverfasser: RALSTON, PAUL H, WHITNEY, SANDRA L
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The instant invention is directed to a process for the inhibition of scale and corrosion formation in an aqueous system, comprising adding to the system about 0.1 to 100 ppm, by weight based on the total aqueous content of said system, of 103 to 115% polyphosphoric acid, or neutral salts thereof.