Patent ID: 7273015
Filing Date: 2007-09-25
Classification: F23B,F23G,F23J

Abstract:
1. A method of processing fly ash comprising: feeding fly ash to a diverter; diverting a plurality of batches of fly ash to a plurality of separate combustion units, the plurality of batches including at least a first batch, second batch, and third batch, each of the first batch, second batch, and third batch of fly ash independently having an initial carbon content; combusting the first batch in a combustion unit until a desired reduced carbon content is attained, and thereafter removing the combusted first batch from the combustion unit to render the combustion unit available; combusting the second batch in another combustion unit until the desired reduced carbon content is attained, and thereafter removing the combusted first batch from the combustion unit to render the combustion unit available; and combusting the third batch in an available combustion unit before combusting of at least one of the first batch and the second batch is complete.