Based　on　the　measurements　of　specific　surface　area　and　thermal　balance　(800-950°C)　of　coal　samples　at　different　catalyst　loadings　of　Na2CO3,　the　adsorption　isotherms　and　specific　surface　areas,　carbon　conversions　and　gasification　kinetics　of　the　＇Fujian　Jianxin　mixed　coal＇　were　investigated.　Type　II　adsorption,　type　L3　desorption　and　H3-type　hysteresis　loop　produced　in　the　adsorption-desorption　process　indicated　that　experimental　coal　samples　exhibited　such　obvious　characteristics　of　two-end　opening　holes,　ink-bottle　pore　with　one　end　closed　and　the　slit　pore　configurations.　The　function　of　catalyst　filling　in　micropore　and　smoothing　the　surface　of　coal　played　a　key　role　in　gasification　reactivity.　At　the　lower　loading　range　from　0　to　8%,　the　decrease　of　specific　surface　area　with　increasing　catalyst　loading　led　to　the　enhancement　of　carbon　conversion　and　reaction　rate.　When　the　catalyst　loading　was　12%,　the　minimum　and　maximum　specific　surface　areas　of　the　respective　micropore　and　intergrading　pore,　and　the　distinct　inflexion　with　an　abrupt　decline　of　gasification　reaction　half-life　implied　that　these　microporous　surfaces　carrying　out　mainly　gasification　reaction　could　reach　such　a　loading　saturation　level　(LSL)　by　complete　filling　and　sufficient　covering　of　catalyst.　However　increasing　the　catalyst　loading　beyond　the　LSL　from　15%　to　24%,　an　excess　of　catalyst　loading　would　fill　the　intergrading　pore　and　overlap　each　other,　which　alleviated　the　smoothing　and　regularizing　actions　of　coal　surface　and　led　to　a　basically　constant,　specific　value　of　carbon　conversion　and　reaction　rate　of　gasification.　The　shrinking　core　model　could　be　used　to　describe　the　kinetic　process　of　catalytic　gasification　and　to　predict　the　reaction　rate　constant　at　different　temperatures　and　catalyst　loadings.　At　12%　of　catalyst　loading　the　activation　energy　of　reaction　reached　a　lower　value　of　92.89　kJ·mol-1　and　was　55%　less　than　the　207.08　kJ·mol-1　of　the　original　pure　coal,　which　demonstrated　that　in　this　case　the　micropore　of　coal　sample　sufficiently　filled　by　catalyst　could　provide　more　reactive　carbon　seats　and　therefore　a　high　carbon　conversion　and　gasification　rate　could　be　obtained.　©　All　Rights　Reserved.