Ordered mesoporous alumina (OMA)-supported vanadia catalysts with different vanadium loading (denoted as nV/OMA) were employed for ethylbenzene dehydrogenation to styrene with CO₂ as soft oxidant, and a commercial γ-Al₂O₃-supported vanadia catalyst for comparison. The catalytic behavior depends strongly on the vanadium loading and the support properties. With an optimal V loading of 0.8 mmol/g-support, 0.8 V/OMA catalyst exhibits superior catalytic performance than that of 0.8 V/γ-Al₂O₃, which can be attributed to the excellent structural, textual, and surface properties of OMA support. The important roles played by OMA lies in stabilizing highly dispersed V⁵⁺ active species and preventing the coke formation.

有序的中孔氧化铝（OMA） -支持钒催化剂具有不同的钒负载（表示为ñ V / OMA）的用于乙苯脱氢制苯乙烯的用CO ₂作为温和氧化剂，以及市售的γ-Al ₂ ö ₃ -支持氧化钒催化剂比较。催化行为在很大程度上取决于钒的负载量和载体性质。用0.8毫摩尔/克-载体，0.8 V / OMA催化剂的最佳V装载表现出优良的催化性能比0.8 V /γ-Al系的₂ ö ₃，这可以归因于的优异的结构，文本和表面性质OMA支持。OMA发挥的重要作用在于稳定高度分散的V ⁵⁺ 活性物质并防止焦炭形成。