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Al-rich BEA∗ zeolites with Si/Al 4.5 and 5.1, prepared by a template-free synthesis, were compared to a conventional (Si-rich) BEA∗ (Si/Al 11.3) regarding (i) the distribution of Al atoms in the framework, (ii) the behavior of the H-BEA∗ samples at high temperature, and (iii) the nature of charge balancing counter metal-ion species. 27Al and 29Si (CP) MAS NMR, and FTIR of adsorbed d3-acetonitrile...
The conversion of methane into syngas is of growing importance given recent increases in methane production worldwide. Furthermore, using CO2 as the co-feed offers many environmental advantages. To this end, experimentalists have shown that Rh-substituted lanthanum zirconate pyrochlore (LRhZ) catalysts are active and stable at the high temperatures needed for the dry reforming of methane (DRM). To...
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