Mg, Mn and Ni substituted SAPO-11 molecular sieves with different Si content were synthesized by hydrothermal method and characterized by XRD, XRF, SEM, NH,-TPD and TG/DTG.

• 采用水热法合成了Mg、Mn和Ni取代的不同Si含量的SAPO-11分子筛,并采用XRD、XRF、SEM、 NH3-TPD和TG/DTG手段进行了表征。