Silicon redistribution, acid site loss and the formation of a core–shell texture upon steaming SAPO-34 and their impact on catalytic performance in the Methanol-to-Olefins (MTO) reaction

Ivalina B. Minova, Nathan S. Barrow, Andrea C. Sauerwein, Aaron B. Naden, David B. Cordes, Alexandra M. Z. Slawin, Stephen J. Schuyten, Paul A. Wright