National Engineering Research Center of Coal Preparation and Purification China University of Mining and Technology Xuzhou 221116 ChinaSchool of Chemistry Monash University Victoria 3800 Australia;
School of Chemical Engineering and Technology China University of Mining and Technology Xuzhou 221116 China;
School of Chemical Engineering and Technology China University of Mining and Technology Xuzhou 221116 China;
School of Chemical Engineering and Technology China University of Mining and Technology Xuzhou 221116 China;
School of Chemical Engineering and Technology China University of Mining and Technology Xuzhou 221116 China;
School of Chemical Engineering and Technology China University of Mining and Technology Xuzhou 221116 China;
Department of Chemical Engineering Monash University Victoria 3800 Australia;
coal fly ash; gasification; zeolite; Na-P1; chromium(Ⅵ);