Steam-dissolved alkali metal salts are heated and transported to dehydrogenation catalysts to sustain activity, conversion, and selectivity.
A shaped Ga or Pt catalyst with group 1 promoters avoids chromium and volatile alcohols while sustaining alkane conversion through regeneration cycles.
Optimized pore diameter and α-Cr2O3 content help chromia-alumina catalysts raise olefin yield and selectivity while limiting mass transfer losses.
A V2C-mediated V2O5/TiO2 photocatalyst improves light absorption, suppresses charge recombination, and boosts stable CO2 conversion.