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New effective lanthanum-calcium oxides doped with alkali metals are highly selective for oxidative dehydrogenation of ethane to ethene; > 90% of ethene selectivity with > 40% ethene yield is attained over Li-doped La/CaO catalyst at 580-620 "C.

Novel calcium-nickel oxides promoted by alkali metal are shown to be highly selective for the oxidative dehydrogenation of ethane to ethylene; 93.6% selectivity for ethylene with 25% ethane conversion over Ca, Ni0.4Li0.35 oxide catalyst is attained at 600 "C.

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