Projects 50474066 and 50874108 supported by the National Natural Science Foundation of China;the Scientific Research Key Project Fund of the Ministry of Education (107055);the Jiangsu Natural Science Foundation (BK2007038);the Open Fund of Key Laboratory of the Education Ministry of Coal Process and Clean Utilization (CPEUKF06-03, CPEUKF08-06) for their financial support
Four different groups of components were separated from coal under mild conditions of extraction and stripping process. Within these groups, and with pre-separation, individual utilization of all coal components can b...