Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Eric R. Hansen0
James R. Tutt0
Ralph A. Supelak0
Date of Patent
February 10, 2009
0Patent Application Number
117452770
Date Filed
May 7, 2007
0Patent Primary Examiner
Patent abstract
A method is described for reducing NOx emissions and improving energy efficiency during mineral processing in a rotary kiln. The method comprises injection of air with high velocity/high kinetic energy into the kiln to reduce or eliminate stratification of kiln gases. The method can be applied to mix gases in a rotary kiln vessel or in a preheater/precalciner vessel.
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