MA yield ~58%
Calcination atmosphere tunes surface crystal phases; a high proportion of VOHPO₄·0.5H₂O precursor promotes ordered α₁-VOPO₄, markedly improving n-butane selective oxidation to maleic anhydride.
Zhang, Xia · Haibo, Wang · Gou, Lianke · Lanpeng, Li · Duan, Aijun · Cao, Zhengkai
Chemical Engineering Science 2023
Highest proportions of surface V⁵⁺ species and Sur-O species
Highest catalyst acidity