The Melting and Transformation Characteristics of Minerals during Co-combustion of Coal with Different Sludges

The co-combustion of sludge and coal in the existing coal-fired power plant is a promising way for the disposal of sludge. However, slagging in boilers is one of the potential problems if the sludge was mixed improperly with coal during co-combustion. In this paper, the ash fusion characteristics and mineral transformation behavior of a bituminous coal, an industrial sludge, a municipal sludge, and their mixtures have been studied. The results...