Abstract Cleaning coal technology deals with technologies of treating coal with modern science and technology and reducing the environmental pollution. Itmainly includes the technologies of removing organic sulfur from coal. gasifying coal and in liquefying coal. The development and use of cleaning coal technology are one of the significant projects in green chemistry and in carrying out the strategy of sustainable development. It has great significance in carrying forward the sustainable development culture, and in social development, economic prosperity and environmental protection.
