Krupp process

n.1.(Iron Metal.) A process practiced by Friedrich Krupp, Essen, Germany, for washing pig iron, differing from the Bell process in using manganese as well as iron oxide, and performed in a Pernot furnace. Called also the Bell-Krupp process.
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According to John Kirk, chief process engineer, "Changing to the Krupp process allowed us to lower our costs while simultaneously improving part quality.