Numbers of entrained flow coal gasifiers have been built in China. In China, the coal types are various and the properties between coals from different collieries are quite different causing the properties of slag different too. The experimental data for slag properties of Chinese coal are collected and critically reviewed, especially for the conditions in entrained flow coal gasifiers. The most widely used models for predicting the fusion characteristics and viscosity of Chinese coal ash slags are compared. The most suitable models for fusion characteristics and viscosity of Chinese coal ash slags are recommended. For other properties, empirical models with widely suitability are also recommended.

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