Vapor Phase Amination Reaction of Phenol over Solid Acid Catalysts

Vapor Phase Esterification over Sodium Acid Sulfate

Hydrolysis of oligosaccharides over solid acid catalysts: a review.

Mild fractionation/pretreatment processes are becoming the most preferred choices for biomass processing within the biorefinery framework. To further explore their advantages, new developments are needed, especially to increase the extent of the hydrolysis of poly- and oligosaccharides. A possible way forward is the use of solid acid catalysts that may overcome many current drawbacks of other c...

Selective Gas-Phase Conversion of Glycerol to Acetol Over Promoted Zirconia Solid Acid Catalysts

The vapour phase selective conversion of glycerol to acetol at normal atmospheric pressure in a fixed-bed micro reactor was investigated over SO4 2 and WOx promoted ZrO2 and M-ZrO2 (M = Al2O3 or TiO2) solid acid catalysts. The investigated sulfate and tungstate ion promoted zirconia-based catalysts were prepared by both coprecipitation and impregnation methods and calcined at 923 K. The synthes...

Acylation of aromatic ethers over solid acid catalysts: scope of the reaction with more complex acylating agents.

Acylation of anisole with 2-phenylbutanoic acid derivatives, over zeolite catalysts, gives the corresponding 4-acyl derivatives with high regioselectivity. In an analogous way, 2,3-dihydrobenzofuran reacts with acid anhydrides or chlorides in the presence of catalytic quantities of zeolites to give the corresponding 5-acyl-2,3-dihydrobenzofurans. The zeolite can be recovered, regenerated and us...

Influence of Metals and Reaction Conditions on the Chemical Vapor Deposition Production of Carbon Nanotubes over Sol-gel Catalysts

Gaining knowledge on the effect of the different parameters that take part in the production of carbon nanotubes (CNTs) is crucial in order to optimize the synthesis method of such materials. The fact that different potential applications need carbon nanotubes with specific properties and that those properties are very sensitive to synthesis conditions make the control of the production process...