Incorporation of Mn2+ or Zn2+ into the pore surface generated in SAPO-34 sample was proved by XRD, BET and SEM. The conversion of ethanol and selectivity of ethylene decreased in the following order Mn-SAPO-34 > Zn-SAPO-34 > SAPO-11 > Mn-SAPO-11 > Zn-SAPO-11 > SAPO-34.