College;
of;
Resources;
&;
Geosciences,;
China;
University;
of;
Mining;
and;
Technology,;
Xuzhou;
221008,;
China;
College;
of;
Resources;
&;
Geosciences,;
China;
University;
of;
Mining;
and;
Technology,;
Xuzhou;
221008,;
China;
State;
Key;
Laboratory;
of;
Coal;
Combustion,;
Huazhong;
University;
of;
Science;
and;
Technology,;
Wuhan;
430074,;
China;
College;
of;
Resources;
&;
Geosciences,;
China;
University;
of;
Mining;
and;
Technology,;
Xuzhou;
221008,;
China;
College;
of;
Resources;
&;
Geosciences,;
China;
University;
of;
Mining;
and;
Technology,;
Xuzhou;
221008,;
China;
College;
of;
Resources;
&;
Geosciences,;
China;
University;
of;
Mining;
and;
Technology,;
Xuzhou;
221008,;
China;
College;
of;
Resources;
&;
Geosciences,;
China;
University;
of;
Mining;
and;
Technology,;
Xuzhou;
221008,;
China;
Antaibao; mining; district,; No.11; coal; seam,; element; geochemistry,; cleaning.;