Solid waste combustion have traditionally been pointed out as one of the most important sources toxic emissions, not only dioxins but also heavy metals[6]. Generally, the breakdown of dioxin requires a sufficiently high temperature to trigger thermal breakdown of the strong molecular bonds. However, small pieces of fly ash may be thick, and too brief an exposure to high temperature may only degrade dioxin on the surface of the ash, and thus a sufficient residence time is required to ensure heating completely through the thickness of the fly ash. In this work, the dioxin emissions are also investigated. The dioxin contents have been detected in fly ash, and were finally converted as the dioxin in flue gases based on Eq (1), and the dioxin emissions data are shown in Table 3. It clearly shows the dioxin emissions for all studied fuel combustions satisfied not only the China standard and also EU standard Accordingly, the mixture ratios of solid waste fuels are reasonable for dioxin reduction, because the high furnace temperature could be maintained to protect the dioxin formations.