N-butanol removal over alumina supported platinum catalysts

Batch reactor coupled with water permselective membrane: Study of glycerol etherification reaction with butanol

“…This could suggest that, in presence of a metal, butanol could be in some way activated to further react with glycerol. On this account, for example, literature data report that on c-Al 2 O 3 in absence of oxygen, dehydration of n-butanol can occur with butene and butene isomerization products formation, whereas in presence of oxygen the n-butanol is oxidized to butanal (see Scheme 5) and that the addition of platinum to alumina promotes the activity of catalyst for all these reactions [24].…”

Efficient Catalytic Dehydration of High-Concentration 1-Butanol with Zn-Mn-Co Modified γ-Al2O3 in Jet Fuel Production

“…The bands distinguished at 1620 cm −1 were assigned to pyridine coordinated to tetrahedral and octahedral Al 3+ . The area of the 19b band at 1451 cm −1 was used to quantify the total amount of Lewis acid sites (LAS) using its molar adsorption coefficient (ε = 1.5 cm/μmol) [10,[26][27][28]. The amount of LAS is given in Table 3.…”

“…Xue et al developed a two-stage gas-stripping technology coupled with 1-butanol fermentation, and the concentrations of 1-butanol in the organic phase and aqueous phase were 612.3-623.3 g/L and 91.3-101.3 g/L, respectively; the aqueous phase was heated and gas-stripped again to concentrate 1-butanol [6,7]. Some researches focusing on the dehydration of low-concentration 1-butanol [8] and pure 1-butanol [9,10] have been reported. However, using a high-concentration 1-butanol solution as feedstock seems more economical than using low-concentration 1-butanol or pure 1-butanol, because low-concentration 1-butanol leads to low productivity of butene and the pure 1-butanol needs to be separated further.…”

Surface reactivity and self-oscillating oxidation of butan-2-ol over palladium loaded AlPO4

“…Aluminium phosphate (AlPO 4 ) was synthesised by adding to a solution of aluminium nitrate Al(NO) 3 . H 2 O (25 g dissolved in 133 mL of water) a stoichiometric proportion of phosphoric acid.…”

“…Several articles were devoted to the subject, mostly dedicated to the characterisation of the catalysts and the determination of their performance versus the reaction temperature [1][2][3]. The difficulties encountered in performing these oxidation reactions are not only related to the thermodynamic limitations but also to the stability of the reactants and the catalyst.…”