• Calcium increases Pt-Ge alloy extent by enhancing Ge reducibility. significantly enhances catalyst stability and propylene selectivity. selectively suppresses strong acid sites. Calcium-promoted is less active for coke deactivation, (? d ). Steady state activity increased since Ca decreases ? more than r . The promoting effect of on the catalytic performance Pt 0.5 -Ge 1.5 /Al 2 O 3 during pr...

Recently, significant attention has been drawn to carbon materials containing cobalt coordinated nitrogen, as the promising inexpensive catalysts of a wide range applications. Given that non-oxidative propane dehydrogenation propylene (PDH) is also becoming increasingly important, we present results on PDH over Co-N-C/SiO2 composites. The latter were prepared by pyrolysis silicone gel enriched ...