Method for making polyphosphoric acid

An improved method for making polyphosphoric acid from phosphoric acid includes the steps of introducing a first phosphoric acid feed stream into the top end of a packed column, introducing a second phosphoric acid feed stream into a stream of hot air to form a stream of hot air and acid, introducin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Myers, Dennis, Hudson, Robert, Mills, Nathan, Razmus, David, Payen, Vincent
Format: Patent
Sprache:eng
Online-Zugang:Volltext bestellen
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