METHOD FOR REMOVING CALCIUM MATERIAL FROM SUBSTRATES

This invention is directed to a method for removing calcium material from a substrate or catalytic converter. In particular, this invention is directed to a method for removing calcium material, particularly in the form of calcium-containing fly ash, from a substrate using a partially protonated or...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PATEL, Nagesh, COOPER, Michael D
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:This invention is directed to a method for removing calcium material from a substrate or catalytic converter. In particular, this invention is directed to a method for removing calcium material, particularly in the form of calcium-containing fly ash, from a substrate using a partially protonated or non-protonated polycarboxylic acid treatment material.