Skeletal isomerization of linear butenes on tungsten promoted ferrierite

Abstract

A study on skeletal isomerization of linear butenes on tungsten promoted ferrierite was presented. Samples of ammonium, protonic and potassium ferrierites were impregnated with tungsten species. The catalytic behavior of samples with and without tungsten during the linear butene isomerization reaction was studied. It was found that the tungsten loadings between 0.5 and 1.0% on ammonium ferrierite produce a synergetic effect both on activity and isobutene yield, while tungsten addition on the protonic form worsens the catalytic behavior of the unpromoted ferrierite.