With the sustained and steady economy growth in China,energy shortage is increasingly turning for the worse. Developing energy with great efforts has long been the dire need for economic development. Whereas the economy and energy develop,the environmental problems emerge inevitably. At present,in the primary energy mix of China,coal takes up to 75%,much higher than the world average level (27%). Coal constitutes the major part of fuels for thermal power generation in China. In 2000,coal-fired po...