The high efficient incineration technology has become increasingly important in solid waste treatment, which meets ecological and environmental requirements. However, the large amount of sludge incineration ash (SIA) containing high levels of heavy metals needs further treatment because of increased environmental awareness and pressing need for precious land resources [1]. Sludge incineration ash contains large amount of SiO2, Al2O3, CaO, P2O5 and Fe2O3, which are suitable raw material for glass-ceramics production [2-4]. Vitrification has been proven to be efficient method to solidify many types of hazardous wastes, which the heavy metals can be stabilized in the glass matrix. The glass-like slag could be used for backfill and civil engineering. For further value-added utilization, sintering technology could even convert the glass-like material into glass–ceramic product for significant economic