China′s coal dry cleaning technology—state-of-the-art and application prospect

In line with the condition of occurrence of coal resources and the present status of the development of the coal preparation industry of the country, the paper starts with an analysis of the necessity of employing the dry cleaning method and the applicability of this method, as well as the state-of-the-art of the dry cleaning equipment in current use, and then looks to the further development of this cleaning technology in China. The suggestions on the future development of the method is put forward, which may serve as a reference for coal-related enterprises to make selection of optimum coal cleaning scheme and improve overall economic benefit.